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1. detail may be made therein without departing from the scope of the present invention as defined by the following claims What is claimed is 1 A color setting apparatus for a system for reproducing multimedia data the apparatus comprising a color setting interface and a color setting controller for displaying on said interface a closed curve band divided into at least two equal sized sections in fixed sectors each containing a different color having a respective set value that is adjustable to change the color and asetting band having a number of setting sections which is equal to the number of said at least two equal sized sections each for indicating change in a respective set values and thereby indicating an amount of color change of an associated closed curve band section wherein the setting band is disposed within the closed curve band and said setting band and closed curve band are correspondingly sectorized in a fixed manner so that a given setting section resides within the same sector as its associated closed curved band section and wherein the amount of color change indicated by the given setting section is represented by an increase or decrease in a size thereof in correspondence with associated adjustment in the respective set value while the same sectorized relationship with the associated closed curve 0 20 25 30 35 40 45 50 60 65 10 band section is maintained and the
2. prises a color circle 301 having at least one changeable color the different cross hatchings and other designs in sectors of the circle denoting respective colors The color setting inter face 300 further includes a setting circle 302 arranged in the color circle 301 to indicate change of the color contained in the color circle according to the set value and left and right arrows 304a 3045 indicating left and right movement direc tions of the color circle The setting circle 302 centers on a color setting reference point 306 of the screen of the display 120 As seen from FIG 3A the colorcircle 301 has four change able colors The setting circle 302 shows the initial set values ofthe four colors and indicates a change of the corresponding color according to the set value of each of the four colors As an example FIGS 3A 3D show by way of illustrative and non limitative example the color setting interface 300 displayed on the screen of the display 120 FIG 3A shows four colors but the number of colors is not so limited The controller 110 changes and then displays the set value of the color located at the color setting reference point 306 This is done in response to a key selection signal correspond ing to actuation ofthe up down directional key on the key pad 100 in a state in which the color setting interface is displayed as shown in FIG 3A In that state it is preferably the key selection signal corre sponding to the up d
3. The color setting apparatus of claim 1 wherein the closed curve band comprises an outer band of a polygon 8 A color setting method for a system for reproducing multimedia data comprising the acts of a displaying a closed curve band divided into at least two equal sized sections in fixed sectors each containing a different color and having a respective set value that is adjust able to change the color and a setting band having setting sections each for indicat ing change in a respective set values and thereby indicating an amount of color change in an associated closed curve band section wherein the setting band is disposed within the closed curve band and said setting band and closed curve band are correspondingly sectorized in a fixed manner so that a given setting section resides within the same sector as its associated closed curved band section and b changing a set value indicated by a given setting section the given setting section indicating the change by an increase or decrease in its size while the same sectorized relationship with the associated closed curve band sec tion is maintained and the associated closed curve band section changes color correspondingly 9 The color setting method of claim 8 further comprising displaying a reference point for color selection rotating the closed curve band and the setting band in a requested direction in response to a request for rotating the closed curve band and the s
4. associated closed curve band section changes color correspondingly 2 The color setting apparatus of claim 1 wherein the color setting controller is further operative to display a reference point for color selection on a screen to rotate the closed curve band and the setting band in a requested direction in response to a request for rotating the closed curve band and the setting band and to change color located at the reference point cor responding to the increase or decrease in size of the given setting band section 3 The apparatus of claim 2 further comprising a key pad which has at least one rotation key for said rotating and at least one change key to cause the color changes in response to a request to change color 4 The color setting apparatus of claim 1 wherein the color setting controller is further operative to display a pointer that is movable on the closed curve band for color change selec tion of a section of the closed curve band and to move a location of the pointer to a requested location on the closed curve band in response to a location change request 5 The apparatus of claim 4 further comprising a key pad which has at least one location change key for navigating the pointer on the closed curve band and at least one setting band section change key to cause the increase or decrease in size 6 The color setting apparatus of claim 1 wherein the closed curve band comprises an outer band of a circle 7
5. described herein below The color setting apparatus 60 checks whether the down directional key is selected when the up directional key is not selected in a state in which the pointer is located at the upper part of the color band 601 S528 The color setting apparatus 60 decreases and then displays the set value of the color at which the pointer 604 is located when the down directional key is selected in a state in which the pointer is located at the upper part of the color band 601 S530 The above shown logic for increasing or decreasing a set value is extended by in the event the pointer is not located in the upper part checking first whether it is located in the lower part S532 and if not located there whether it is located in the left part S542 If the latter check and if it is not located in the left part the right part is assumed S542 NO branch Accordingly the steps S524 S530 performed in the above described manner in the case of the pointer 604 being located in the upper part are analogously performed as steps S534 S540 S544 S550 and S552 S558 correspondingly in dependence upon where the pointer is located In each of the four possibilities of where the pointer is located after the respective set value adjustment routine is executed return is made to the beginning of the process of FIG 5A In particular the color setting apparatus 60 a checks whether the pointer is located at a lower part of the color b
6. the display However since the image reproduction system provides the color setting function for only a limited number of colors the user may not be able to adjust a desired color Typically the colors which can be changed by the color setting function 20 25 30 35 40 45 50 55 60 65 2 are arranged on screen so that the set value of the color selected from the arrangement can then be adjusted or changed SUMMARY OF THE INVENTION It would desirable to instead display for user selection the settable colors and to provide for selection and then change of the set value of the selected color It would be further desirable from the standpoint of user convenience to avoid having to repeat the entire procedure for each color whose setting is to be adjusted The present invention provides a color setting apparatus and method in which selection of a color to be set and adjust ment of its set value can be performed simultaneously In a first aspect of the present invention a color setting apparatus includes a color setting controller for displaying a closed curve band divided into at least two equal sized sec tions each containing a different color and a setting band having at least two sections for indicating change of a set value of each of the colors on a screen and for changing the set value of a selected color and displaying the changed color according to the changed set value on the screen The col
7. 60 65 6 If the selected key is the left directional key S210 the color circle and the setting circle are rotated counterclock wise S212 When the selected key is not the left directional key the color circle and the setting circle are rotated clockwise S214 If the selected key is determined not to be the right left directional key query is made as to whether the selected key is the up directional key S216 If it is the up directional key the set value of the color located at the color setting reference point is decreased by a predetermined magnitude S218 In addition the size of the corresponding sector or portion of the setting circle is like wise decreased S220 When the selected key is determined not to be the up directional key in step S216 the set value ofthe color located at the color setting reference point is increased by a predeter mined magnitude S222 and the sector ofthe setting circle is likewise expanded in size S224 FIG 4 is a block diagram illustrating an exemplary color setting apparatus 60 according to a second embodiment ofthe present invention As in the first embodiment the color setting apparatus 60 comprises a key pad 400 a controller 410 a display 420 and a storage unit 430 The key pad 400 has at least one key generates a key selection signal when a key is selected and provides the key selection signal to the controller 410 Among the keys are right left up and down direction
8. 602 contains four respective portions although more or fewer colors portions are within the intended scope of the invention As in the first embodiment the compact design of the color setting interface 600 is particularly suited to the screen of the display 420 Unlike the first embodiment however the directional keys are implemented as multi function keys Depending upon the current state they either move the pointer 604 in a particular direction or adjust upward downward a setting value In particular when the pointer 604 moves on the color band 601 of the color setting interface displayed as shown in FIG US 8 325 218 B2 7 6 the controller 410 allows the pointer 604 to move according to the directional key selection signal input from the key pad 400 When the pointer 604 does not move on the color band 601 the controller 410 perceives a location ofthe pointer 604 and increases or decreases the set value of the color at which the pointer 604 is located according to the directional key selec tion signal input from the key pad 400 In a manner similar to that of the first embodiment when the pointer 604 is located at the lower section 606a of the color band 601 increase of the set value is not only visible from the change in color for that lower section but perhaps more conspicuously by an expan sion in size of the sectorized setting magnitude indicator 6065 More generally the second embodiment operates as fol lows Th
9. OERS EKKO N e e 301 304b 304a 308a 306 308b FIG 3B 304b 306 308d 308c ZN e Aor lt LILLEN LILII OPEET ISES RIKI Hoe CRISIS i SORES e 304a 302 301 U S Patent Dec 4 2012 Sheet 4 of 8 US 8 325 218 B2 FIG 3C lis KKI RRES EERS OOS lt S Q SOY Z 301 304a 310a 306 310b 304b FIG 3D RH S y Q SS SK LOG SQ 302 D oS 301 PARK SR SSS lt K gt lt gt S 5 SS 304a 310c 306 310d 304b U S Patent Dec 4 2012 Sheet 5 of 8 US 8 325 218 B2 FIG 4 410 CONTROLLER 430 F4 STORAGE 60 400 420 DISPLAY U S Patent Dec 4 2012 Sheet 6 of 8 US 8 325 218 B2 FIG 5A we KEY BUTTON SELECTED SET CURRENT STATE TO COLOR SETTING STATE 504 IS POINTER MOVING COMPLETION KEY SELECTED 510 SET CURRENT STATE TO POINTER MOVABLE STATE PERFORM OPERATION OF 514 CORRESPONDING KEY 9512 YES END U S Patent Dec 4 2012 Sheet 7 of 8 US 8 325 218 B2 FIG 5B 516 S518 MOVE POINTER ACCORDING TO DIRECTIONAL KEY S DOWN DIRECTIONAL KE ELECTED DECREASE SET VALUE INCREASE SET VALUE INCREASE SET VALUE DECREASE SET VALUE U S Patent Dec 4 2012 Sheet 8 of 8 US 8 325 218 B2 FIG 6 610a610b os ne 600 US 8 325 218 B2 1 COLOR SE
10. TTING APPARATUS AND METHOD CLAIM OF PRIORITY This application claims the benefit under 35 U S C 119 a from an application entitled COLOR SETTING APPARATUS AND METHOD filed in the Korean Intellec tual Property Office on 27 Jan 2006 and assigned Serial No 10 2006 0008948 the entire contents of which are incorpo rated herein by reference BACKGROUND OF THE INVENTION 1 Field of the Invention The present invention relates to a color setting apparatus and method for reproducing multimedia data 2 Description of the Related Art Development of multimedia technology has resulted in the introduction of various kinds of multimedia data and the development of image reproduction systems for reproducing i e playing back or presenting multimedia data Representative image reproduction systems for reproduc ing multimedia data include a digital television a digital camera a digital camcorder a mobile terminal and so on An image reproduction system can reproduce various types of multimedia data in various environments and the user can often set a color in which the multimedia data is to be played back based on what is suitable within the ambient environment For example when the image reproduction system repro duces multimedia data in an environment where the screen of the image reproduction system is brighter than the ambient light color of the multimedia data to be played back on the screen of the image reproduction sys
11. US008325218B2 a2 United States Patent 10 Patent No US 8 325 218 B2 Oh et al 45 Date of Patent Dec 4 2012 54 COLOR SETTING APPARATUS AND 56 References Cited METHOD U S PATENT DOCUMENTS 75 Inventors Sang Wook Oh Ansan si KR 7 116 317 B2 10 2006 Gregorio etal 345 184 Sung Dae Cho Yongin si KR 7 405 729 B2 7 2008 Gregorio etal 345 184 Young Min Jeong Suwon si KR 7 589 717 B2 9 2009 Gregorio et al 345 184 i 7 751 085 B2 7 2010 Yabe 358 1 9 FOREIGN PATENT DOCUMENTS 73 Assignee Samsung Electronics Co Ltd I IP 07 099589 4 1995 Samsung ro Yeongtong gu Suwon si JP 13 045527 2 2001 Gyeonggi do KR KR 2005 0077209 8 2005 OTHER PUBLICATIONS Notice Subject to any disclaimer the term of this LCD Digital Color TV User Manual SONY Corporation 2005 patent is extended or adjusted under 35 www anychart com Oct 13 2011 U S C 154 b by 1363 days cited by examiner 21 Appl No 11 652 330 Primary Examiner David Eng 74 Attorney Agent or Firm Cha amp Reiter LLC 22 Filed Jan 11 2007 57 ABSTRACT 65 Prior Publication Data A color setting apparatus and method for a system for repro US 2007 0188666 A1 Aug 16 2007 ducing multimedia data are provided The apparatus includes Bres a color setting controller for displaying a closed curve band ean Dori divided into at least two equal sized sections each conta
12. al keys Unlike the first embodiment the cooler setting apparatus 60 additionally features an end key for terminating a current operation of the color setting apparatus a pointer moving completion key and a color setting completion key The pointer is described further below The controller 410 displays the color setting interface used for reproduction of multimedia data through the display 420 at a color setting request As shown in FIG 6 the color setting interface 600 com prises a color band 601 which contains at least one change able color for reproduction of the multimedia data and the sectorized setting magnitude indicator 602 which contains portions or sectors that track and indicate according to the set value change in the associated color ofthe color band 601 In the exemplary configuration seen in FIG 6 each of the four sectors corresponds to an associated segment or section 606a 608a 610a 612a of the color band 601 The color setting interface 600 further comprises a pointer 604 which is movable on the color band 601 and is used to select the color As shown in FIG 6 the pointer 604 may appear on screen as a highlighting that frames the current section 606a 608a 610a 612a of the color band 601 although the pointer may instead take another form such as a cursor displayed as an arrow In the color setting interface of FIG 6 the color band 601 contains four colors and the sectorized setting magnitude indicator
13. and when the pointer is determined to not be at the upper part of the color band in step 522 S532 b checks whether the down direction key is selected when the pointer is located at the lower part of the color band S534 c increases and then displays the set value of the color at which the pointer is located when the down directional key is selected in a state in which the pointer is located at the lower part of the color band S536 d checks whether the up directional key is selected when the down directional key is not selected in a state in which the pointer is located at the lower part of the color band S538 US 8 325 218 B2 9 e decreases and then displays the set value of the color at which the pointer is located when the up directional key is selected in a state in which the pointer is located at the lower part of the color band S540 f checks whether the pointer is located on the left part of the color band when the pointer is determined to not be on the lower part of the color band in step S532 S542 g checks whether the left direction key is selected when the pointer is located on the left part ofthe color band S544 h increases and then displays the set value of the color at which the pointer is located when the left directional key is selected in a state in which the pointer is located on the left part of the color band S546 1 checks whether the right directional key is selected when the left directi
14. atent and Trademark Office
15. cording to the set value and displaying the result In a fifth aspect a color setting method for a system for reproducing multimedia data includes displaying a closed curve band divided into at least two equal sized sections each containing a different color a setting band having at least two sections for indicating change of a set value of each of the colors and a reference point for color selection on a screen rotating the closed curve band and the setting band in a requested direction in response to a request for rotating the closed curve band and the setting band and changing the size of a portion of the setting band corresponding to a color located at the reference point in response to a color change request and then displaying the result In a sixth aspect a color setting method for a system for reproducing multimedia data involves displaying a closed curve band divided into at least two equal sized sections each containing a different color a setting band having at least two sections for indicating change of a set value of each of the colors and a pointer which is movable on the closed curve band for color selection on a screen moving a location of the pointer to a requested location on the closed curve band in response to a location change request of the pointer and changing the size of a section of the setting band correspond ing to the color on the closed curve band at which the pointer is located in response to a color chang
16. e controller 410 sets the current state to a color setting state when a key selection signal corresponding to the pointer moving completion key is input from the key pad 400 in a state in which the color setting interface is displayed as shown in FIG 6 Conversely the controller 410 sets the current state to a pointer movable state in which the pointer is movable on the color band 601 when a key selection signal corresponding to the color setting completion key is input from the key pad 400 in a state in which the color setting interface of FIG 6 is displayed The controller 410 finishes the current operation as a key selection signal corresponding to the end key is input from the key pad 400 in a state in which the color setting interface of FIG 6 is displayed The storage unit 430 stores at least one color set value selected by the user As shown in FIG 6 the color band 601 of the color setting interface 600 contains four colors and the pointer 604 is located on the color section 606a ofthe color band Although four sections 606a 608a 610a 612a are shown fewer or more sections are within the intended scope of the invention FIGS 5A and 5B are flowcharts illustrating an example of a color setting method of the color setting apparatus 60 of the second embodiment of the present invention As shown in FIGS 5A 5B a check is made as to whether a key is selected in a state in which the color setting interface 600 is displayed at a co
17. e request and then displaying the result BRIEF DESCRIPTION OF THE DRAWINGS A morecomplete appreciation ofthe present invention and many of the attendant advantages thereof will be readily apparent as the present invention becomes better understood by reference to the following detailed description when con sidered in conjunction with the accompanying drawings in which like reference symbols indicate the same or similar components wherein FIG 1 is a block diagram illustrating a color setting appa ratus according to a first exemplary embodiment of the present invention FIG 2 is a flowchart illustrating a color setting method of the color setting apparatus according to the first exemplary embodiment of the present invention As shown in FIG 3A the color setting interface comprises a color circle 301 having at least one changeable color the different cross hatchings and other designs in sectors of the circle denoting respective colors The color setting interface further includes a setting circle 302 arranged in the color circle 301 to indicate change of the color contained in the color circle according to the set value and left and right arrows 304a 304d indicating left and right movement direc tions of the color circle The setting circle 302 centers on a color setting reference point 306 of the screen of the display 120 FIG 4 is a block diagram illustrating a color setting appa ratus according to a second exemplary embodi
18. ectional key selected S518 The color setting apparatus 600 checks a current location of the pointer 604 on the color band 601 when it is not in the pointer movable state S520 The color setting apparatus 600 checks whether the pointer 604 is located at an upper part of the color band 601 S522 Here when a user looking at the screen or display 420 of the color setting apparatus 60 displaying the color setting interface 600 can see that the pointer 604 is positioned in an upper part of the color band 601 the pointer is located at the upper part of the color band For example as shown in FIG 6 when the pointer 604 is located in the section of a color 610a it is located in the upper part of the color band 601 The color setting apparatus 60 checks whether the up direc tion key is selected when the pointer is located at the upper part of the color band 601 S524 The color setting apparatus 60 increases and then displays the set value of the color at which the pointer 604 is located when the up directional key is selected in a state in which the pointer is located at the upper part of the color band 601 S526 This change in set value is preferably accompanied not only by continuous transition in the color displayed in the upper part of the color band 601 but by change in size of the respective sectorized setting magnitude indicator 6105 The same visible phenomena occur in each of the below specified cases and will not be further
19. ections for indicating change of a set value of each of the colors and a pointer which is movable on the closed curve band for color selection on a screen and a color setting controller for moving a location of the pointer to a requested location on the closed curve band in response to a location change request of the pointer changing the size of a section of the setting band corresponding to the color on the closed curve band at which the pointer is located in response to a color change request and then displaying the result The color setting apparatus may further comprise a key pad which has at least one location change key for changing a location of the pointer on the closed curve band and at least one setting band section change key for changing the size of the section of the setting band corresponding to a color requested to be changed In a fourth aspect a color setting method for a system for reproducing i e replaying multimedia data includes a US 8 325 218 B2 3 displaying a closed curve band divided into at least two equal sized sections each containing a different color and a setting band having at least two sections for indicating change ofa set value of each of the colors on a screen and b changing the set value of the selected color and displaying the changed color according to the changed set value Step b may comprise increasing or decreasing the size of the section for indicating change ofthe set value ac
20. etting band and changing color located at the reference point in response to a color change request 10 The color setting method of claim 8 further compris ing displaying a pointer which is movable on the closed curve band for color change selection of a section of the closed curve band and US 8 325 218 B2 11 12 moving a location of the pointer to a requested location on 12 The color setting method of claim 8 wherein the closed the closed curve band in response to a request for loca curve band comprises an outer band of a polygon tion change of the pointer 11 Thecolor setting method of claim 8 wherein the closed curve band comprises an outer band of a circle OK Ro oko UNITED STATES PATENT AND TRADEMARK OFFICE CERTIFICATE OF CORRECTION PATENT NO 8 325 218 B2 Page of 1 APPLICATION NO 11 652330 DATED December 4 2012 INVENTOR S Sang Wook Oh et al It is certified that error appears in the above identified patent and that said Letters Patent is hereby corrected as shown below In the Claims Column 9 Claim 1 Lines 55 56 should read as follows respective set value and thereby Column 10 Claim 2 Line 9 should read as follows to the increase or decrease in Column 10 Claim 8 Line 39 should read as follows respective set value and thereby Signed and Sealed this Twenty third Day of April 2013 x ae pou V gt Teresa Stanek Rea Acting Director of the United States P
21. inin 30 F Application Priority Dat q 8 30 SERVARE RS MES CU TOL a different color and a setting band having at least two sec Jan 27 2006 KR mm 10 2006 0008948 tions for indicating change of a set value of each of the colors ona screen and for changing the set value of a selected color 51 Int Cl and displaying the changed color according to the changed set HOAN 1 60 2006 01 value on the screen The color setting controller increases or 5B WES CE maqay ph suan M Nod 348 20 decreases the size of the section for indicating change ofthe 58 Field of Classification Search 348 29 set value according to the set value See application file for complete search history Y ull 302 301 304a 308a 306 308b 12 Claims 8 Drawing Sheets 300 304b U S Patent Dec 4 2012 Sheet 1 of 8 US 8 325 218 B2 FIG 1 110 120 DISPLAY 100 CONTROLLER US 8 325 218 B2 Sheet 2 of 8 Dec 4 2012 U S Patent J180 9NILI3S JII 9NILI3S JO 3ZIS 3SV3HONI 30 3ZIS 3SV3H030 AMVA LAS 3SV3UONI AMVA 13 3SV3H030 NOLLO3HIQ 1331 NOIL938I0 1H9IU NI 319HI9 NI 319819 ONILLJS ONY 31989 ONILLAS ANY 310419 40100 31V10H 40109 31V10H A35 ONIQNOdS3UHO9 JO NOIL VU3q0 WuOs43d 05 194 14S A33 IVNOLLO3UIQ oly 0310313S A33 IVNOILO3UIQ El 0319313S Mp A33 c Old US 8 325 218 B2 Sheet 3 of 8 Dec 4 2012 U S Patent FIG 3A
22. irectional key which serves as a signal for reducing the magnitude ofthe set value of the color located at the color setting reference point 306 conversely the key selection signal corresponding to the down directional key serves as a signal for increasing the magnitude of the set value of the color located at the color setting reference point 306 The roles of the up and down keys may however be reversed in this regard FIGS 3A 3B collectively demonstrate operationally a transition in the color setting interface 300 For example when the controller 110 decreases a magnitude of the set value for a color 308a by keypad 100 operation the sector 3085 shrinks in size correspondingly to arrive at sector 308d As this occurs the color 308a located at the color setting US 8 325 218 B2 5 reference point 306 is changed to a color 308c corresponding to the decreased magnitude of the set value The controller 110 rotates the color circle 301 and the setting circle 302 in a direction corresponding to each direc tional key as a key selection signal corresponding to the right left directional keys is input from the key pad 100 in a state in which the color setting interface of FIG 3B is dis played The controller 110 changes and then displays the set value of the color located at the color setting reference point 306 according to the key selection signal corresponding to the up down directional key input from the key pad 100 The change i
23. lor setting request S500 When a key is selected query is made as to whether the selected key is the directional key S502 Ifitis notthe directional key query is made on whether the selected key is the pointer moving completion key S504 If the selected key is pointer moving completion key the color setting apparatus 60 goes into the color setting state for setting the color of the color band section 606a 608a 610a 612a at which the pointer is current located S506 The selected key is not the pointer moving completion key a check is made as to whether the selected key is the color setting completion key S508 If it is the color setting completion key the color setting apparatus 60 goes into the pointer movable state in which the pointer is movable on the color band 601 S510 Tf on the other hand it is not the color setting completion key the color setting apparatus 60 checks whether the selected key is the end key S512 When it is not the end key the current operation that is being invoked by the user is performed S514 however if it is the end key the currently performed operation finishes i e halts If to the contrary a directional key is being selected S502 query is made on whether the current states is the pointer movable state S516 an 5 20 25 30 40 45 60 8 Ifthe current state is the pointer movable state the pointer 604 is moved in a direction corresponding to the dir
24. ment of the present invention FIGS 5A and 5B are flowcharts illustrating a color setting method ofthe color setting apparatus according to the second exemplary embodiment of the present invention and 20 25 30 35 40 45 50 55 60 65 4 FIG 6 shows a color setting interface screen used for color setting according to the second exemplary embodiment ofthe present invention DETAILED DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter exemplary embodiments ofthe present inven tion are described in detail with reference to the accompany ing drawings The following discussion omits for concise ness and clarity of presentation detailed description of known functions and configurations incorporated herein FIG 1 shows an exemplary color setting apparatus 50 according to a first embodiment of the present invention The color setting apparatus 50 has a key pad 100 a controller 110 a display 120 and a storage unit 130 The key pad 100 has at least one key generates a key selection signal when a key is selected and provides it to the controller 110 Right left up and down directional keys and an end key for terminating a current operation of the color setting appa ratus 50 may be provided The controller 110 displays through the display 120 a color setting interface 300 used for reproduction of the mul timedia data at a color setting request As shown in FIG 3A the color setting interface 300 com
25. n set value is preferably concurrent with the respec tive change in color and they preferably occur continuously These changes occur in a state in which the color circle 301 and the setting circle 302 have been rotated in a direction corresponding to which of the right left directional keys is actuated The up down adjustment may be held inoperative until the rotating achieves one of the designated here four orientations The key selection signal corresponding to the left direc tional key may cause rotation of the color circle 301 and the setting circle 302 counterclockwise and the key selection signal corresponding to the right directional key may cause rotation of the color circle 301 and the setting circle 302 clockwise That is the controller 110 rotates the color circle 301 and the setting circle 302 counterclockwise by a predetermined angle as the key selection signal corresponding to the left directional key is input from the key pad 100 in a state in which the color setting interface of FIG 3B is displayed as shown in FIG 3C Conversely the controller 110 increases a magnitude of the set value of the color 310a located at the color setting refer ence point 306 by a predetermined amount as the key selec tion signal corresponding to the down directional key is input from the key pad 100 in a state in which the color setting interface of FIG 3C is displayed The predetermined amount may be for example proportional to the amou
26. nt of time the down directional key is pressed or may correspond to the number of discrete key actuations The magnitude change is evidenced by the expansion in sector size as seen by com paring sectors 3105 310d in FIGS 3C 3D respectively As shown in FIG 3D the color located at the color setting reference point 306 is consequently changed to a color 310c corresponding to expanded magnitude of the set value The storage 130 stores at least one color set value selected by the user FIG 2 describes a color setting method ofthe color setting apparatus 50 according to the first embodiment ofthe present invention The color setting apparatus 50 checks whether or not a certain key is selected in a state in which the color setting interface 300 used to reproduce the multimedia data is dis played at a color setting request S200 The color setting apparatus checks when a certain key is selected whether or not the selected key is the directional key S202 A check is made as to whether or not the selected key is the end key if the selected key is not the directional key S204 If the selected key is not the end key an operation is performed S206 otherwise if the selected key is the end key the current operation is finished If the selected key is determined to be the directional key S202 query is made as to whether the selected key is the right left directional key S208 20 25 30 35 40 45 50 55
27. onal key is not selected in a state in which the pointer is located on the left part ofthe color band S548 j decreases and then displays the set value of the color at which the pointer is located when the right directional key is selected in a state in which the pointer is located on the left part of the color band S550 k when the pointer is not located on the left ofthe color bar determines that the pointer is located on the right part of the color bar and checks whether the right directional key is selected S552 1 increases and then displays the set value of the color at which the pointer 604 is located when the right direction key is selected in a state in which the pointer is located on the right part of the color bar S554 m checks whether the left directional key is selected when the right directional key is not selected in a state in which the pointer 604 is located on the right part ofthe color bar S556 and n decreases and then displays the set value of the color at which the pointer 604 is located when the left directional key is selected in a state in which the pointer is located on the right part of the color bar S558 As described above the color setting apparatus and method can simultaneously select a color and adjust its set value While the present invention has been described with refer enceto exemplary embodiments thereof it will be understood by those skilled in the art that various changes in from and
28. or setting controller may according to the set value desired increase or decrease the size of the section for indi cating change of the set value The setting band may be arranged within the closed curve band Inasecondaspect a color setting apparatus fora system for reproducing multimedia data includes a display for display ing a closed curve band divided into at least two equal sized sections each containing a different color a setting band having at least two sections for indicating change of a set value of each of the colors and a reference point for color selection on a screen and a color setting controller for rotat ing the closed curve band and the setting band in a requested direction in response to a request for rotating the closed curve band and the setting band changing the size ofa portion of the setting band corresponding to a color located at the reference point in response to a color change request and displaying the result The color setting apparatus may further comprise a key pad which has at least one rotation key for rotating the closed curve band and the setting band and at least one change key for changing the size of a portion of the setting band corre sponding to a color requested to be changed In a third aspect a color setting apparatus includes a display for displaying a closed curve band divided into at least two equal sized sections each containing a different color a setting band having at least two s
29. tem can be set to faith fully represent what is intended Tf on the other hand the image reproduction system plays back multimedia data in an environment where ambient light is brighter than the screen color ofthe multimedia data repro duced cannot be faithfully represented and the multimedia data are as a result difficult to see To resolve this problem the image reproduction system provides a color setting function for adjusting the color ofthe screen in dependence upon the ambient environment The image reproduction system displays settable colors on the screen which the user can set or adjust by means of the color setting function For example the image reproduction system may display on screen e g in bar graph form a set value e g brightness of color which is adjustable and then displays the color corresponding to the adjusted set value while the user sets or adjusts the set value The set value displayed in bar graph form has a maximum value and a minimum value for a certain color and the set value ofthe currently selected color is displayed together with the bar graph However far more colors can actually be used for repro duction of the multimedia data than can be adjusted using the color setting function For example when the image reproduction system employs a 24 bit RGB color space for reproduction of the multimedia data 16 777 216 2 R x2 G x2 B colors are usable in reproducing the multimedia data on

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