Hand-held telephone set
Contents
1. 5 950 138 Sheet 1 of 4 Sep 7 1999 U S Patent TIVO 30 GN3 TWO 40 NOILVNISINO NOILONAS NOILVYLSIOSY WOu8d3 t Old QVdAS Nd 5 950 138 Sheet 2 of 4 Sep 7 1999 U S Patent X XXX HL OO X X X X KX XG bO ANOHd JAL 00 72 00 00 00 00 00 21 00 O1 00 00 ONILVNISINO 184 NHL GSM ANL NOW Oe I2 00 2 184 AHL SNL J INAGSHOS AWIL 183 NHL GSM SNL NOW OO2I 00 20 AVS 184 NHL GAM SNL NOW aqeVv VAY ON V3ANV J 18V VAV G t ON SNOHd3 73 NOHd373L U S Patent Sep 7 1999 Sheet 3 of 4 5 950 138 START OF PARAMETER REGISTRATION SELECTING ANY ONE OF A PLURALITY OF s11 TELEPHONE NUMBERS s12 DESIRING NO REGISTRATION OF NEW AVAILABLE AREA NUMBER YES S13 ADDITIONALLY REGISTERING ALLOWABLE AREA NO S14 DESIRING REGISTRATION OF NEW ALLOWABLE TIME SCHEDULE S15 YES ADDITIONALLY REGISTERING ALLOWABLE TIME SCHEDULE S16 NO DESIRING REGISTRATION OF NEW ORIGINATING DISTANT PARTY TELEPHONE NUMBER S17 YES ADDITIONALLY REGISTERING ORIGINATING DISTANT PARTY TELEPHONE NUMBER END OF PARAMETER REGISTRATION NO U S Patent POWER ON MAKING AVAILABLE ALL TELEPHONE NUMBERS OF Sep 7 1999 TELEPHONE SET SETTING TELEPHONE NUM BER DEPENDING ON PRIORITY WHICH IS DESIRED EXTRACTING AND RECOGNIZ ING AREA NUMBER OF RECEIVED DATA CORRESPONDING TO ANY NO ONE OF AVAILABLE AREA NO S CORR TO THE2. 1 Yes is input the allowable time schedule is input from the keypad 7 Thereby the CPU 2 registers the new allowable time schedule to EEPROM 5 S15 Next after input of the allowable time schedule or 0 No is input in the message inquiring input of the allowable time schedule it is judged whether the input of the telephone number of a distant party to which a call may be originated is desired S16 When judged to be desired after 1 Yes is input the telephone number for a distant party to which a call may be originated is input Thereby the CPU registers the new telephone number of a distant party to EEPROM 5 S17 Successively after input of the telephone number of a distant party to which a call may be originated or input of 0 No in the message inquiring input of the allowable time schedule operation for registration is terminated A series of operations for registration can be performed by inputting in general the necessary data to the telephone set from the other data input apparatus via the interface such as RS232C etc The actual conversation sequence by the hand held tele phone set constituted as explained above will be explained with reference to the flowchart of FIG 4 First when the power switch is turned ON S21 CPU 2 stores the tele phone No 1 as the valid number and the telephone No 2 also as the valid number in order to make valid two telephone numbers S22 Whe
3. 15 20 25 30 35 40 55 60 65 10 by said hand held telephone set is permitted for each of said plurality of telephone numbers 7 A hand held telephone set identified by a plurality of telephone numbers comprising means for storing a plurality of available area numbers for each of said plurality of telephone numbers said plu rality of available area numbers respectively corre sponding to available areas within which origination and termination of calls by said hand held telephone set arc permitted means for judging whether said hand held telephone set is located within one of said available areas of a selected telephone number means for enabling origination and termination of call by said hand held telephone set when said hand held tele phone set is located within one of said available areas means for storing available time day information for which origination and termination of calls by said hand held telephone set is permitted for each of said plurality of telephone numbers and means for storing available telephone numbers of distant parties for which origination and termination of calls by said hand held telephone set is permitted for each of said plurality of telephone numbers 8 A hand held telephone set identified by a plurality of telephone numbers comprising clock means means for storing at least one allowable time schedule for each of said plurality of telephone numbers said at least one al
4. SELEC TED TELEPHONE NUMBER MEASURING THE CURRENT TIME INCLUDED IN THE AVAIL TIME SCHED CORRES TO THE SELECTED TELEPHONE NUMBER A USER IS ACTIVATING THE THE ORIGINATION OF A CALL INCLUDED IN THE ORIG INATING DISTANT PARTY WES TELE NO S CORRESPONDING TO THE SELECTED TELE PHONE NUMBER 5 950 138 Sheet 4 of 4 FIG 4 30 INVALIDATING THE SELECTED TELEPHONE NUMBER S31 NO IS THERE OTHER VALID TELEPHONE NUMBERS S32 YES SETTING A VALID TELEPHONE NUMBER 35 WARNING DISPLAY WARNING SOUND 33 SENDING AN ORIGINATION REQUEST 34 NO BUSY YES 5 950 138 1 HAND HELD TELEPHONE SET BACKGROUND OF THE INVENTION 1 Field of the Invention The present invention relates to a hand held telephone set and particularly to a hand held telephone set to which a plurality of telephone numbers can be assigned 2 Description of the Related Art With rapid popularization of hand held telephone sets in these years there has been a need for assigning two or more telephone numbers to a hand held telephone set For example two different telephone numbers are assigned to a hand held telephone set and this hand held telephone set can selectively be put into personal use and business use by selecting the telephone numbers for actual use Therefore the telephone rate can be clearly distinguished for business use and personal use In general the assigned telephone numbers can be select
5. inverted but the operations identical to those explained above is performed Furthermore the telephone set having two telephone numbers for business use and personal use is explained in above embodiment but the identical processes can be real ized even in the telephone set having three or more tele phone numbers by registering these telephone numbers and corresponding various data items to EEPROM and reason able telephone rates are charged to respective telephone numbers As explained above the hand held telephone set having a plurality of telephone numbers of the present invention comprises means for registering a plurality of telephone numbers and corresponding various data items such as available area allowing origination or termination of calls with such telephone numbers available day and time and telephone numbers of distant parties to judge the data condition whether it corresponds to the telephone number or not at the time of origination or termination of a call with the selected telephone number so that when the data condition is satisfied origination or termination is enabled and when not satisfied origination or termination is enabled by judg ing the other telephone numbers Thereby use of the tele phone set under the condition exceeding the preset limit for each telephone number is inhibited and meanwhile similar judgement is made to the other telephone numbers to enable origination or termination of calls after the correct
6. originating distant party telephone number to RAM 4 because key input in the key pad 7 is always monitored when an origination key is depressed the origination start operation is initiated to check S29 whether the originating distant party number which is input before the origination key is depressed and is then stored in RAM 4 is matched or not with any one of the origination allowable numbers stored in EEPROM 5 When unmatched CPU 2 stores the telephone No 1 as the invalid number in RAM 4 S30 When matched an origination request data is transmitted to the base station S33 and the conversation processing is started S34 If the origination key is not depressed the available area number check processing available time schedule check processing and originating distant party number check processing when the originating operation is activated are repeatedly per formed successively so long as the waiting condition can be 10 continued In the series of operations when the telephone No 1 which is the telephone number currently in use is judged as the invalid number in the step S30 the other valid telephone number stored in RAM 4 in the step 22 is retrieved S31 When existence of the telephone No 2 is detected as the valid telephone number stored in RAM 4 the tele phone No 2 0441230000 stored in EEPROM 5 is in turn set as the valid telephone number of the telephone set S32 and thereafter this telephone n
7. telephone number is selected again in place of the erroneous telephone number Thereby since use of the telephone set with the prede termined telephone number is always enabled even when a user of the telephone set does not change the telephone number it can be avoided that a user intentionally or erroneously use the telephone set using inadequate tele 5 950 138 7 phone number Accordingly disadvantages for example that the conversation which should be charged on the company are charged on a person because such conversation is made with the telephone number for personal use or personal conversation is charged on the company because such conversation is made using the telephone number for business use can be eliminated Here since means for previously registering one or a plurality of available area numbers as various data items of each telephone number registered means for registering one or a plurality of available time schedules and means for registering one or a plurality of telephone numbers of distant parties to which a call may be originated are comprised adequacy of conversation with the telephone number used can be judged regarding the area wherein the telephone set is used day and time and telephone numbers of distant parties and use of inadequate telephone numbers can suit ably be inhibited While the invention has been described with reference to specific embodiments thereof it will be appreciated by those skil
8. while the telephone No 2 0441230000 is offered as the telephone number for personal use Various data items include allowable area number information allowable time schedule information and tele phone number information for a distant party to which a call can be originated In the case of the telephone No 1 for the business use the area No 12343 to 12347 are set as the areas in which conversation can be made with such a telephone number Moreover 7 00 to 17 00 on Monday to Saturday and 17 00 to 21 00 on Tuesday Thursday Friday are set as the available time schedule In addition as the telephone number of distant party to which a call can be originated a plurality of telephone numbers including 045321AAAA are set In the same manner in the case of telephone No 2 for personal use as the area where conversation can be made 10 15 20 25 35 40 45 50 55 60 65 4 with such a telephone number a plurality of area numbers including the area No 45678 are set Moreover as the available time schedule the day and the time corresponding thereto are set Moreover as the telephone number of distant party to which a call can be originated a plurality of telephone numbers including 045 are set Procedures for registering various data items in EEPROM 5 or for altering such various data items will be explained with reference to FIG 3 This operation is basically store
9. US005950138A United States Patent 115 iu Patent Number 5 950 138 Norimatsu 45 Date of Patent Sep 7 1999 54 HAND HELD TELEPHONE SET 5 442 806 8 1995 Barber et al occ 455 432 5 448 622 9 1995 Huttunen 379 58 75 Inventor Noriko Norimatsu Tokyo Japan 5 787 354 7 1998 Gray Cbd aa 455 435 FOREIGN PATENT DOCUMENTS 73 Assignee NEC Corporation Tokyo Japan 0526981 2 1993 European Pat Off 21 Appl No 08 572 718 Primary Examiner Dwayne D Bost aad Assistant Examiner Nay A Maung 22 Filed Dec 14 1995 22 File wee Attorney Agent or Firm Sughrue Mion Zinn Macpeak 30 Foreign Application Priority Data amp Seas PLLC Dec 15 1994 JP Japan ssssssssssssssssssssssssss000000 6 332923 57 ABSTRACT Si int Cie en oe ae So H04Q 7 20 A hand held telephone set having a plurality of telephone 52 US CG cccccciinac 455 550 455 551 455 565 numbers including means registering a plurality of tele 455 575 phone numbers and corresponding various data items such 58 Field of Search oo 379 58 59 60 as available areas allowing origination and termination of 379 62 57 455 33 1 33 2 403 422 432 calls using these telephone numbers available day and time 435 436 463 550 551 552 558 565 and telephone numbers of distant parties means for judging 575 90 whether the data condition corresponds to the selected telephone number when origination and termination of calls 56 References Cited are e
10. ch corresponds to said hand held telephone set and which includes an available area number which matches said current available area number measuring a plurality of times storing at least one allowable time schedule for each of said plurality of telephone numbers judging whether a time measured in said time measuring step is included in said at least one allowable time schedule corresponding to said current telephone num ber and continuing use of said current telephone number when said time is included in said at least one allowable time schedule and changing to another one of said plurality of telephone numbers when another telephone number exists which corresponds to an allowable time schedule which includes said time when said time is not included in said at least one allowable time schedule 4 A method of controlling a hand held telephone set identified by a plurality of telephone numbers comprising storing said plurality of telephone numbers and a plurality of available area numbers for each of said telephone numbers said plurality of available area numbers respectively representing locations for which call origi nation and termination is permitted 5 950 138 9 judging whether a current available area number corre sponds to one of said available area numbers for a current telephone number when origination and termi nation of a call is performed extracting and recognizing said current available area number from
11. d as the data depending on the setting desired by a telephone rate payer In this case with input of a secret ID number etc registration and alteration of data are assumed to be executed for the relevant telephone number by the manipu lations explained hereunder Therefore in general a com pany registers the telephone number for business use depending on the ID number which is unknown for users of the telephone set Meanwhile a person registers the tele phone number for personal use in the presence of the representative of the company First parameter registration is activated with an input from a registration key provided on a keypad 7 The CPU 2 judges from the successive data input whether registration should be made to a telephone number among the designated two telephone numbers and prepares for registration for the relevant telephone number on EEPROM 5 S11 Registra tion of a new allowable area number is judged to be desired or not S12 When it is desired after a message for inquiring input of the allowable area number is output or its voice signal is output from the telephone set 1 Yes is input and then the allowable area number is input from the keypad 7 Thereby the CPU 2 registers the new allowable area number to EEPROM 5 S13 Next after the allowable area number is input or after 0 No is input it is determined whether an allowable time schedule is desired S14 When judged to be desired after
12. e and for changing to another one of said plurality of telephone numbers when another telephone number exists which corresponds to said hand held telephone set and corresponds to an allowable time schedule which includes said time when said time is not included in said at least one allowable time schedule 2 A hand held telephone set identified by a plurality of telephone numbers comprising means for storing a plurality of available area numbers for each of said plurality of telephone numbers said plu rality of available area numbers respectively corre sponding to available areas within which origination and termination of calls by said hand held telephone set are permitted 10 15 20 30 45 50 55 60 65 8 means for judging whether said hand held telephone set is located within one of said available areas of a selected telephone number means for enabling origination and termination of call by said hand held telephone set when said hand held tele phone set is located within one of said available areas means for storing at least one telephone number of distant parties for each of said plurality of telephone numbers means for judging whether a current telephone number of a distant party for call origination is included in said at least one telephone number of distant parties corre sponding to a telephone number of said hand held telephone set currently valid for use and means for originating the call
13. ea numbers respectively corre sponding to available areas within which origination and termination of calls by said hand held telephone set are permitted means for judging whether said hand held telephone set is located within one of said available areas of a selected telephone number means for enabling origination and termination of call by said hand held telephone set when said hand held tele phone set is located within one of said available areas means for storing available time day information for which origination and termination of calls by said hand held telephone set is permitted for each of said plurality of telephone numbers 6 A hand held telephone set identified by a plurality of telephone numbers comprising means for storing a plurality of available area numbers for each of said plurality of telephone numbers said plu rality of available area numbers respectively corre sponding to available areas within which origination and termination of calls by said hand held telephone set are permitted means for judging whether said hand held telephone set is located within one of said available areas of a selected telephone number means for enabling origination and termination of call by said hand held telephone set when said hand held tele phone set is located within one of said available areas means for storing available telephone numbers of distant parties for which origination and termination of calls 5 10
14. f available time schedules corresponding to the telephone number currently in use When the time is judged to be included the telephone number is used continuously and when judged not to be included if there is a telephone number having a time schedule including the current time in one or a plurality of available time schedules among the telephone numbers not currently in use the telephone number is changed over to the other number Moreover there is also provided means for registering the telephone numbers of distant parties to which one or a plurality of calls may be originated as various data items of registered telephone numbers It is determined whether the telephone number of distant parties as the object of origi nation of a call is included in the set telephone numbers of distant parties to which one or a plurality of calls may be originated When judged to be included the telephone number is used continuously and when judged not to be included if there is a telephone number of distant party to which one or a plurality of calls may be originated not currently in use the telephone number is changed over to the number not in use for originating a call The present invention enables origination and termination of calls only when conditions of data indicating an area where a telephone set exists day and time for use and a telephone number of a distant party corresponding to the selected telephone number on the occasion of originatin
15. g or terminating a call with the selected telephone number are satisfied Thereby use of the telephone set under the con dition exceeding the predetermined limitation is inhibited Moreover when origination or termination of a call with the selected telephone number is inhibited the similar judgement is performed to the other telephone numbers Thereby origination and termination of call can be realized after an erroneous telephone number is reselected to the correct telephone number 5 950 138 3 BRIEF DESCRIPTION OF THE DRAWINGS These and other objects feature and advantages of the present invention will become more fully apparent from the following detailed description taken with the accompanying drawings in which FIG 1 is a block diagram illustrating an internal consti tution of a telephone set to which the present invention is applied FIG 2 illustrates telephone numbers and various data items registered to EEPROM FIG 3 is a flowchart indicating data registration sequence for EEPROM and FIG 4 is a flowchart explaining call originating and terminating operations in the present invention In the drawings the same reference numerals denote the same structural elements DESCRIPTION OF THE PREFERRED EMBODIMENTS The preferred embodiments of the present invention will be explained with reference to the accompanying drawings FIG 1 is a basic structural diagram of a hand held telephone set to which the present in
16. he available area day and time tele phone number of distant party in origination of a call satisfy the conditions of the telephone number for personal use the telephone number of the telephone set is automatically changed over to that for personal use and thereafter origi nation of call is realized Therefore if a user intentionally or erroneously attempts to use the telephone set for the per sonal use with the telephone number for business use since origination is realized automatically with the telephone number for personal use origination is never disabled and moreover the telephone rate is charged on a person because of the personal use In addition in this embodiment even if a call is termi nated when the telephone set is in the waiting condition with the telephone set for business use termination of call is enabled only when the telephone set exists in the available area within the range of the preset day and time However if the condition satisfies the condition preset for the tele phone number for personal use even in above case since a call is terminated with the telephone number for personal use termination is never disabled Thereby the telephone rate in charge on delivery basis generated by personal use is never charged on the company In the embodiment explained above the telephone num ber for business use has a priority but when the telephone number for personal use has a priority only the processing sequence is
17. hedule telephone number of distant parties when another 1 A method of controlling a hand held telephone set telephone number exists which corresponds to said identified by a plurality of telephone numbers comprising current telephone number storing at least one telephone number of distant parties for each of said plurality of telephone numbers kok o k o k
18. ively changed in this hand held tele phone set by user s manual manipulation However when two telephone numbers are selected depending only on user s will it is possible for example to make a personal conversation using the telephone number assigned for business use and the telephone rate may be charged to a company Moreover it is also conceivable that a conversation although it is a business conversation is attempted using the telephone number assigned for personal use and its telephone rate is charged to a person As explained above the requirement for which a user is requested to change over the telephone numbers for the business use and personal use will easily generate various disadvantages Therefore it is required to automatically change over the telephone numbers Asystem of automatic changeover of the telephone num ber is described in the Japanese Patent Laid Open No HEI 1 300723 The related art described in this reference is devised not to pay expensive roaming charge by previously storing regional numbers corresponding to different tele phone numbers within the telephone set and receiving a signal from a base station of the region to which the telephone set is moved in order to automatically select the most appropriate telephone number of the relevant region as the telephone number of the telephone set However the related art described in this reference cannot be used for changeover of the telephone numbers for bu
19. led in the art that numerous variations modifications and embodiments are possible and accordingly all such variations modifications and embodiments are to be regarded as being within the spirit and scope of the inven tion What is claimed is 1 A hand held telephone set identified by a plurality of telephone numbers comprising means for storing a plurality of available area numbers for each of said plurality of telephone numbers said plu rality of available area numbers respectively corre sponding to available areas within which origination and termination of calls by said hand held telephone set are permitted means for judging whether said hand held telephone set is located within one of said available areas of a selected telephone number means for enabling origination and termination of call by said hand held telephone set when said hand held tele phone set is located within one of said available areas clock means means for storing at least one allowable time schedule for each of said plurality of telephone numbers said at least one allowable time schedule indicating when said hand held telephone set is operable means for judging whether a time measured by said clock means is included within said at least one allowable time schedule corresponding to a current telephone number and means for continuing use of said current telephone num ber when said time is included in said at least one allowable time schedul
20. lowable time schedule indicating when said hand held telephone set is operable means for judging whether a time measured by said clock means is included within said at least one allowable time sched ule corresponding to a current telephone number and means for continuing use of said current telephone num ber when said time is included in said at least one allowable time schedule and for changing to another one of said plurality of telephone numbers when another telephone number exists which corresponds to said hand held telephone set and corresponds to an allowable time schedule which includes said time when said time is not included in said at least one allowable time schedule 9 A hand held telephone set identified by a plurality of telephone numbers comprising means for storing at least one telephone number of distant parties for each of said plurality of telephone numbers means for judging whether a current telephone number of a distant party for call origination is included in said at least one telephone number of distant parties corre sponding to a telephone number of said hand held telephone set currently valid for use and means for originating the call when said current telephone number is included in said at least one telephone number of distant parties and changing for origination of the call to another one of said plurality of telephone numbers when another telephone number exists which corresponds to said hand held tele
21. n a user previously desig nates the telephone No 1 preferentially to the telephone No 2 the telephone No 1 045939xxxx included in EEPROM 5 is positionally registered to the base station as the tele phone number of the telephone set S23 5 950 138 5 Data is received from the base station through the radio equipment 1 for continuation of the waiting condition In the waiting condition a service area number is always extracted and recognized from the receiving data S24 it then com pared S25 with any one of the available area numbers 12343 to 12347 on EEPROM 5 corresponding to the telephone No 1 being selected When matched the available time schedule check processing S26 is started When unmatched the telephone No 1 is stored as invalid number in RAM 4 S30 In the allowable time schedule check processing S26 the current day time hour minute are measured with the clock 6 to check whether these are included or not in any of the time schedules Monday Tuesday Wednesday thursday Friday Saturday 07 00 17 00 or Tuesday Thursday Fri day 17 00 21 30 stored in EEPROM 5 S27 When included originating distant party telephone number check processing when the origination of call is activated is started S28 When not included the Tel No 1 is stored as invalid number in RAM 4 S30 In the originating distant party telephone number check processing S28 CPU 2 inputs the
22. nd termination of a call with these telephone numbers and the telephone number of a distant party means for judging the data conditions corre sponding to the selected telephone number when a call is originated or terminated with such selected telephone num ber and means for enabling origination and termination of a call when such data conditions are satisfied and also enabling origination and termination of a call by judging the other telephone numbers when such conditions are not satisfied Moreover there is also provided means for previously registering one or a plurality of available area numbers as various data items of telephone numbers registered and this means is preferably provided such that it is determined whether the current available area number is matched with any one of one or a plurality of available area numbers registered corresponding to the telephone number currently in use when judged to be matched the current telephone number is used continuously or when judged to be unmatched if there is a telephone number matching with the available area number in one or a plurality of available area numbers registered among the telephone numbers not cur rently in use the telephone number is changed over to that number There is also provided means for registering one or a plurality of available time schedules as various data items of registered telephone numbers The time measured with a clock is compared with one or a plurality o
23. phone set and corre sponds to said current telephone number when said current telephone number is not included in said at least one telephone number of distant parties 10 A method of controlling a hand held telephone set identified by a plurality of telephone numbers comprising measuring a plurality of times storing at least one allowable time schedule for each of said plurality of telephone numbers 5 950 138 11 12 judging whether a time measured in said time measuring judging whether a current telephone number of a distant step is included in said at least one allowable time party for a call origination is included in said at least schedule corresponding to a current telephone number one telephone number of distant parties corresponding and to a telephone number of said hand held telephone set continuing use of said current telephone number when 5 currently being used said time is included in said at least one allowable time originating the call when said current telephone number is schedule and changing to another one of said plurality included in said at least one telephone number of of telephone numbers when another telephone number distant parties and changing to another one of said exists which corresponds to an allowable time schedule plurality of telephone numbers when said current which includes said time when said time is not 10 telephone number is not included in said at least one included in said at least one allowable time sc
24. si ness use and personal use because the telephone number is only changed over to that corresponding to the region to which the telephone set is moved Namely in this related art the telephone numbers for business use and personal use cannot be used in the same region and thereby the related art cannot be applied for actual use For this reason it has been considered to limit to the telephone set so that when the telephone number is changed over to the number for business use depending on the company s will a call can be originated only to the specified parties However this limitation may result in the fear that an expectedly large telephone rate is charged on a company when the telephone set is used in the remote area Moreover since there is no limitation on the incoming calls the telephone rate on the basis of cash on delivery for example will be charged on a company SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a hand held telephone set which suitably limits the tele phone numbers changed over to enable adequate use with each telephone number 10 15 20 25 30 35 40 45 50 55 60 65 2 The hand held telephone set having a plurality of tele phone numbers of the present invention includes means for registering a plurality of telephone numbers and correspond ing various data items such as available areas available day and time allowing origination a
25. umber is positionally registered to the base station through the radio equipment 1 as in the case of the step 23 and the data is received for continuation of the waiting condition Thereafter for the telephone No 2 the operations of the step S24 and successive steps are performed as in the case of the telephone No 1 to execute the available area number check processing available time schedule check processing originating destination number check processing when the originating operation is started When the telephone No 2 is judged as invalid number in any processing explained above and thereby there is no valid telephone number use of the telephone set not under the limitation is notified to users with a display or an audible sound S35 Therefore the present embodiment realizes if a call is originated with the telephone number for business use origination of the call only in the range of the preset day and time only when the relevant telephone set exists within the available area set in EEPROM and such telephone number 10 15 20 25 30 35 40 50 55 60 65 6 of a distant party is also previously set Accordingly origi nation of a call to distant parties under the available condi tions not satisfying above conditions is never realized and the telephone rate by use of the telephone set under the conditions other than the preset conditions is never charged on the company Moreover when t
26. vention is applied including a radio frequency circuit 1 for making radio communications through an antenna 8 a CPU 2 for processing the signals to be transmitted and received by this radio frequency circuit 1 EPROM 3 to which the program for operating the CPU 2 is written RAM 4 for temporarily storing various data items required for processing by CPU 2 EEPROM 5 storing one or a plurality of telephone numbers two telephone numbers in this case and various data items incidental to such telephone numbers a clock 6 a key pad 7 manually operated by a user a MIC 9 and a speaker 10 The CPU 2 selects any one of two telephone numbers stored in EEPROM 5 depending on the program written into EPROM 3 to originate or terminate a call to or from a base station via the radio frequency circuit 1 Moreover in this case the CPU 2 restricts the origination or termination of calls by making reference to the data stored in EEPROM 5 the data input to the key pad 7 by user s operation and the time data sent from the clock 6 FIG 2 indicates two kinds of telephone numbers held in EEPROM 5 In this case the EEPROM 5 stores a telephone number for business use for which telephone rate is charged on a company and a telephone number for personal use where the telephone rate is charged to a person and various data items corresponding to these telephone numbers Here the telephone No 1 045939xxxx is offered as the tele phone number for business use
27. waiting reception data judging whether the current available area number matches or not with any one of one or a plurality of allowable area numbers corresponding to the current telephone number and continuously using when judged to be matched by said judging means the current telephone number and changing over when judged not to be matched the current telephone number to another one of said plu rality of telephone numbers which matches said cur rent available area is not in use storing at least one telephone number of distant parties for each of said plurality of telephone numbers judging whether a current telephone number of a distant party for a call origination is included in said at least one telephone number of distant parties corresponding to a telephone number of said hand held telephone set currently being used originating the call when said current telephone number is included in said at least one telephone number of distant parties and changing to another one of said plurality of telephone numbers when said current telephone number is not included in said at least one telephone number of distant parties when another telephone number exists which corresponds to said current telephone number 5 A hand held telephone set identified by a plurality of telephone numbers comprising means for storing a plurality of available area numbers for each of said plurality of telephone numbers said plu rality of available ar
28. when said current telephone number is included in said at least one telephone number of distant parties and changing for origination of the call to another one of said plurality of telephone numbers when another telephone number exists which corresponds to said hand held telephone set and corre sponds to said current telephone number when said current telephone number is not included in said at least one telephone number of distant parties 3 A method of controlling a hand held telephone set identified by a plurality of telephone numbers comprising storing said plurality of telephone numbers and a plurality of available area numbers for each of said telephone numbers said plurality of available area numbers respectively representing available areas for which call origination and termination is permitted judging whether a current available area number corre sponds to one of said available area numbers for a current telephone number when origination and termi nation of a call is performed enabling when said current available area number matches one of said available area numbers for said current telephone number origination and termination of the call and also enabling when said current avail able area number does not match one of said available area numbers for said current telephone number origi nation and termination of the call by another one of said plurality of telephone numbers when another telephone number exists whi
29. xecuted using such telephone number and means for enabling origination and termination of calls when such data U S PATENT DOCUMENTS condition is satisfied or enabling origination and termination 4 742 560 5 1988 Arai eccscsscsssssssscssscsecsecsecseeseeee of calls by judging the other telephone numbers when such 5 020 091 5 1991 Krolopp et al data condition is not satisfied 5 222 127 6 1993 Fukui 8 5 428 666 6 1995 Fyfe etal cess eeseessesseeneenes 379 58 11 Claims 4 Drawing Sheets MAKING AVAILABLE ALL TELEPHONE NUMBERS OF TELEPHONE SET SETTING TELEPHONE NUM BER DEPENDING ON PRIORITY WHICH IS DESIRED s24 EXTRACTING AND RECOGNIZ ING AREA NUMBER OF RECEIVED DATA S25 CORRESPONDING TO ANY NO ONE OF AVAILABLE AREA NO S CORR TO THE SELEC TED TELEPHONE NUMBERY 26 MEASURING THE CURRENT TIME INCLUDED IN THE AVAIL INO TIME SCHED CORRES TO THE SELECTED TELEPHONE NUMBER 28 YES A USER IS ACTIVATING THE no THE ORIGINATION OF A CALL 529 YES INCLUDED IN THE ORIG INATING DISTANT PARTY YES TELE NO S CORRESPONDING TO THE SELECTED TELE PHONE NUMBER INVALIDATING THE SELECTED TELEPHONE NUMBER NO IS THERE OTHER VALID TELEPHONE NUMBERS S32 SETTING A VALID TELEPHONE NUMBER WARNING DISPLAY WARNING SOUND 33 y SENDING AN ORIGINATION REQUEST EA
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