CIPA DC-002-Translation
Contents
1. Example 2 Battery Life XX pictures CIPA Recording medium YY YY indicates kind of medium Batteries used AA size Alkaline batteries Example 3 Battery Life XX pictures Based on CIPA Standard YY pictures Based on manufacturer s Standard Recording medium used 32 MB ZZ ZZ indicates kind of medium Batteries used Made by XX AA size Nickel Hydrogen battery Manufacturer s own measurement method Measurement is based on our own standard The liquid crystal display is set to OFF other items are the same as the CIPA Standard Example 4 Battery Life XX pictures Batteries type XYZ supplied with camera and separately sold recording media ABCD were used Shooting was performed with the mode dial at AUTO Example 5 An example with omitted measurement description 2 3 3 2 a and omitted media description 2 3 4 2 Battery Life XX pictures Batteries supplied with the camera Example 6 Number of shots XX pictures Nickel Hydrogen batteries supplied with the camera YY pictures AA size Alkaline battery Using built in memory media CIPA DC 002 Translation 2003 Explanation This section gives a supplementary explanation of matters indicated or referred to in this specification and of related matters It is not part of the specification itself 1 Definition of digital camera battery consumption In this measurement standard digital camera battery consumption is used to designate how many pictures can2. be recorded without either changing or recharging the batteries It does not indicate either the number of times the batteries themselves can be recharged or other characteristics of the batteries 2 Measurement results Given the different features of various cameras sold by manufacturers it is impossible to achieve exactly the same measurement conditions for each camera In addition individual differences of the same model cameras and variations among batteries themselves as noted below are likely to result in measurement variability In deciding a standard measurement procedure under these circumstances the following principles are used e Manufacturers are responsible for the fairness of the reported results Measurements shall be made with all the still photography functions of the digital camera utilized to their full extent For measurement conditions that are not specified the factory settings shall be used The first principle is based on the understanding that some manufacturers will report only the measurement results while others will also report an error margin By reporting results in such ways however the manufacturers leave themselves open to complaints from users etc and it is expected that each manufacturer will take sufficient account of this when reporting results The decision to have measurements taken using the factory set parameters is based on the assumption that manufacturers make such settings the defa
3. camera to be measured is not equipped with some of the functions whose test conditions are defined in this standard such measurement items can be ignored Priorities are given for the above conditions as follows 1 The measurement conditions of the standard procedure defined in the following clauses 2 and up in this chapter 2 Functional parameters not listed here shall be identical to the default setting at the factory 3 If any parameters cannot be defined by the default settings at the factory such parameters shall be what the manufacturer assumes will most likely be employed by the users of the relevant cameras d In the case where the power level of a certain function can be set regardless of the parameter for such functional setting the measurement shall be undertaken with the default power level at the factory setting If the power level of a certain function does not have a default factory setting the power level shall be set at the highest level of the available setting 2 2Batteries used a The use of particular battery types is not specified but information that can identify the batteries used e g the type of battery shall be reported along with the measurement results DC 002 Translation 2003 b When using a primary battery new battery shall be used When using a secondary battery rechargeable battery the battery shall be fully charged see Explanatory Notes 2 3 Image quality mode The factory set mode
4. monitor in Section 16 Although some models are equipped with two or more color monitors it is reasonable to assume that all of the color monitors are rarely in use at one time Accordingly for this type of model it is stated that the test can be conducted lighting only the most power consuming monitor continuously 6 Handling of power off time Many digital cameras are designed to extend or retract the lenses automatically when power is turned on and off Each time the power is turned on or off such cameras use up considerable power for lens movement Moreover since today s digital cameras tend to consume power at a high rate it is not hard to imagine that users will tend to turn the power on and off frequently With this reality in mind the procedure herein includes the stipulation that power is to be turned off after every 10 pictures are shot The issue here is how much off time is appropriate Experiments indicate that especially with cameras running on alkaline batteries there are some types of cameras that show a large difference in residual battery life between long and short off periods A long off time often results in fewer photos shot It has also been reported that even with a short off time results similar to those for a long off time can be obtained by removing the batteries from the camera and cooling them at room temperature Based on the above findings the measurement procedure is specified as The interval before
5. power consuming functions such as color image display activation use of flash and zoom and retractable lens movement comparable data can be made available to help end users make a selection from a variety of digital cameras 1 Scope This Standard applies to consumer use digital still cameras hereinafter referred to as DSC When listing the battery life in catalogs the measuring procedure listed in this Standard shall be used 2 Measurement 2 1 Prerequisites a The basic rule for conducting the measurements is that all of the still photography functions of the digital camera shall be utilized to their full extent Non still photography functions e g audio and movie recording functions need not be activated during the measurements b The camera s function setting parameters except those defined in this measurement procedure shall be basically identical to the default settings at the factory If the measurement is conducted under different parameters from the default settings at the factory such settings shall be reported along with the measurement data If certain parameter data are not defined by the default settings at the factory see Explanatory Notes the measurements shall be made using the setting parameters that the manufacturer assumes will most likely be employed by the users of the relevant cameras and information which can identify such setting parameters shall be reported along with the measurement data c If the
6. shall be used 2 4 Pixel number Number of recorded pixels The factory set mode shall be used 2 5Flash photography Full illumination flash shall be used for one of every two pictures taken For the other pictures the flash shall not be used Any given shooting condition for the full illumination flash may be used 2 6 Object distance Not specified 2 7 Subject and brightness Not specified If automatic exposure is used or applied the scene brightness shall be within the range of the camera s AE system 2 8Recording medium The recording medium is not specified but information that can identify the medium e g the type of the medium shall be reported along with the measurement results 2 9 Motor driven optical zoom operation Before every picture is taken the motor driven optical zoom lens shall be moved either from the TELE end to the WIDE end or from the WIDE end to the TELE end It is also acceptable to move the zoom lens either as TELE WIDE gt TELE or as WIDE TELE WIDE before every second picture is taken Except for the motor driven optical zoom operation nothing is specified for other zoom operations such as a digital zoom operation 2 10 AE AF operation The AE AF operation shall be done in accordance with the default factory setting No procedure is set forth herein for the operation 2 11 Operating environment Measurements shall be made at 23 C 2 C Relative Humidity RH 50 20 2 12 Use of moving image and audio
7. 2 Camera amp Imaging Products Association Standard of the Camera amp Imaging Products Association CIPA DC 002 Translation 2003 Standard Procedure for Measuring Digital Still Camera Battery Consumption This translation has been made based on the original Standard CIPA DC 002 In the event of any doubts arising as the contents the original Standard is to be the final authority Established in December 17 2003 Prepared by Standardization Committee Published by Camera amp Imaging Products Association THIS DOCUMENT IS PROVIDED ON AN AS IS BASIS WITHOUT WARRANTY OF ANY KIND EXPRESS IMPLIED STATUTORY OR OTHERWISE INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT IN NO EVENT SHALL EITHER CIPA CIPA S MEMBERS THEIR SUBSIDIARIES OR THEIR AFFILIATES BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING WITHOUT LIMITATION LOSS OF BUSINESS PROFITS LOSS OF BUSINESS INFORMATION LOSS OF BUSINESS INTERRUPTION OR OTHER COMPENSATORY INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS DOCUMENT OR THE USE THEREOF EVEN IF CIPA CIPA S MEMBERS THEIR SUBSIDIARIES OR THEIR AFFILIATES HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES CIPA CIPA S MEMBERS THEIR SUBSIDIARIES OR THEIR AFFILIATES DISCLAIMS AND SHALL HAVE NO OBLIGATION OF DEFENSE CONTRIBUTION OR INDEMNIFICATION WITH RESPECT TO ANY ACTUAL OR ALLEGED INTELLECTUAL PROPERTY
8. 2 17 Handling when the recording medium is full The files in the medium shall be deleted immediately using the function in the camera itself or the medium shall be replaced with an empty medium If replacement is to be done care shall be taken to affect the battery consumption as little as possible by for example replacing the medium when the power is off It is acceptable to delete files or replace the medium before it becomes full DC 002 Translation 2003 2 18 Handling of playback mode Nothing is specified regarding the playback mode and automatic playback the function for displaying images automatically immediately after they are shot 2 19 Shooting intervals Shooting shall begin 30 seconds after the power is turned on During that 30 second interval the flash mode setting zoom operation and other preparations for shooting shall be made Thereafter shooting shall proceed at a rate of one picture every 30 seconds If 30 seconds is not sufficient for initialization or if the camera is not ready for shooting 30 seconds after a shot shooting shall resume immediately after the camera reaches its ready state 2 20 Power off frequency and intervals see Explanatory Notes Power shall be turned off after every 10th picture has been shot and processed The interval before the next power on shall be as much time as needed without affecting battery life i e so that any additional off time will not change the measurement results It shal
9. INFRINGEMENT ARISING OUT OF THIS DOCUMENT OR THE USE THREROF 2003 Camera amp Imaging Products Association DC 002 Translation 2003 Table of Contents Introduction 1 Scope 1 1 2 Measurement 1 3 Measurement example flowchart Upi tests sre aise sig eet Pitre a 5 osse ee a oriee AA e ae oro arenae coisa ie ease severe TE N DC 002 Translation 2003 Standard Procedure for Measuring Digital Still Camera Battery Consumption Introduction For digital cameras long battery life is one of the features regarded as important However until now digital camera manufacturers have been measuring their cameras battery life using their own methods making it difficult to compare the battery life performance data listed in manufacturers catalogs To cope with this inconvenience the Camera amp Imaging Products Association has defined this Procedure for Measuring Digital Still Camera Battery Consumption By specifying the standard measuring procedures for high
10. Masanobu Shirakawa Fuji Photo Film Co Ltd Canon Inc OLYMPUS CORPORATION OLYMPUS OPTICAL LTD OLYMPUS CORPORATION OLYMPUS OPTICAL LTD CASIO COMPUTER CO Ltd Kyocera Corporation KODAK JAPAN LTD KONICA MINOLTA CAMERA INC Minolta Co ltd KONICA MINOLTA CAMERA INC KONICA CORPORATION SANYO Electric Co Ltd SHARP CORPORATION SEIKO EPSON CORPORATION SEIKO EPSON CORPORATION 10 Masako Yamada Kesahiro Miyazawa Mie Kobayashi Masamichi Kinjo Hajime Akiyama Katsumi Yamaguchi Masayo lida Sugio Maxima Tomokazu Aibe Naoki Sasaki Shuzo Seo Koichi Nakano Atsushi Fujisaki Atsuhiro Yamasaki Mitsuaki Wakumoto CIPA DC 002 Translation 2003 SEIKO EPSON CORPORATION SEIKO EPSON CORPORATION Sony Corporation TAMRON Ltd TOSHIBA CORPORATION TOSHIBA CORPORATION NIKON CORPORATION Fuji Photo Film Co Ltd PENTAX Corporation Asahi Optical Co Ltd PENTAX Corporation Asahi Optical Co Ltd PENTAX Corporation Asahi Optical Co Ltd PENTAX Corporation Asahi Optical Co Ltd Matsushita Electric Industrial Co Ltd Ricoh Co Ltd Ricoh Co Ltd Note that the development of this Standard was initiated by the Battery Life Sub Working Group Chief Yasuo Nakajima SEIKO EPSON CORPORATION until March 2002 in the Digital Camera Technical Sub Committee under the former Japan Camera Industry Association dissolved in July 2002 which was then taken over and since then ha
11. Not specified 2 13 White balance Not specified 2 14 Shake compensation Not specified 2 15 End of test criteria see Explanatory Notes a The measurement shall be finished when the first low battery shutdown occurs or when any function related to still photography stops working without low battery shutdown b However if the stopping function can be reengaged automatically or manually other than by replacing batteries or reengaging electric power the stopping function shall be reengaged immediately and the test shall be continued 2 16 Color monitor on off mode see Explanatory Notes a For the duration of the test the color monitor shall be lit continuously in the mode in which it can be used as the viewfinder If during the test the color monitor turns off automatically or if it automatically shifts into other modes it shall immediately be turned back into the viewfinder mode either by an automatic or manual operation other than by replacing batteries or power cycling and the test shall be continued For cameras equipped with two or more color monitors the test can be conducted with only the most power consuming one lit continuously b If the color monitor is equipped with an illumination function e g backlight the illumination shall be lit for the duration of the test If the brightness or the contrast of the color monitor is adjustable the adjustable parameter shall be set at the factory setting when the measurement is made
12. ber of Shots 4 3 2 Exception Although the number of shots measured under the manufacturer s own procedure may be described as well the number of shots measured under this CIPA Standard for Measuring Battery Consumption shall be described with first priority and the manufacturer s own data shall be presented near to those of the CIPA Standard but in a less noticeable manner 4 4 Measuring procedure 4 41 General rule The term based on the CIPA Standard for Measuring Battery Consumption may be abbreviated to based on the CIPA Standard based on CIPA or 4 4 2 Exception a If a description saying that the measurement was made in accordance with this Standard for Measuring Battery Consumption is patently written in the same explanatory or advertising media or in other media the description of the measuring method may be omitted b If the number of shots according to the manufacturer s own measuring method is intended to be described additionally the following notes shall be incorporated near the description of the number in a noticeable manner the fact that the number of shots is based on the manufacturer s own measuring method and an explanation of the measuring method It is acceptable to first explain any differences from the CIPA method followed by other measuring methods are the same as those of 4 5 Batteries 4 5 1 General rule Information at least model names or t
13. charge status of a secondary battery is defined as the status achieved by charging the battery following the procedure specified in the user s manual for the camera or the CIPA DC 002 Translation 2003 charger However it must be noted that when using certain kinds of batteries or charging procedures a battery which is only slightly undercharged can be overcharged through the recharging thus ending up demonstrating better performance than normal To prevent such a situation a battery must be completely dischared before recharging 4 Variations in measurement data due to battery differences As is well known batteries regardless of their type will have varied capability due to such factors as temperature use conditions individual differences time elapsed since manufacture and in the case of rechargeable batteries the number of times recharged Today s digital cameras typically consume a large amount of power and there is a large variation particularly among alkaline batteries It is not unusual for alkaline batteries purchased off the shelf to vary in lifetime by a factor of two or more Therefore even when measurements are undertaken using the procedure defined in this standard it must be noted that users will not necessarily be able to replicate the results in every case Manufacturers need to understand this in deciding how much error margin to incorporate in their reported results and do so at their own risk 5 End of test cri
14. l be the responsibility of each manufacturer to determine the appropriate length of the off time DC 002 Translation 2003 3 Measurement example flowchart Initial Setting as required Move the Zoom Lens Change the flash mode full off from the previous shooting Power on Or has 30 seconds passed after last shooting Has the predetermined off period passed DC 002 Translation 2003 4 Descriptions 4 1 Application The descriptions with regard to the battery consumption of digital still cameras shall be made in accordance with the following stipulations regardless of the explanatory or advertising media hereinafter referred to as Media The items 4 4 through 4 6 listed below shall be included without failure in the specification and or performance list etc if the list is published 4 2 Definition of the number of shots stipulated in Article 2 of this Standard The number of shots shall mean the number of pictures shot by the digital camera under the conditions stipulated in the measurement procedure in this standard 4 3 Description method for battery consumption 4 3 1 General rule for this Standard Only the number of shots measured under the conditions stipulated in this CIPA Standard for Measuring Battery Consumption shall be described However Battery Consumption may be replaced with Possible Number of Shots Number of Recordable Pictures or Num
15. rally products unaffected by this factor may be measured using any desired off period For reasons such as these the decision as to the appropriate length of off periods is made the responsibility of each manufacturer 7 Deliberation Committee The deliberations for the drafting of this Standard were conducted mainly by a sub working group under the Technical Working Group of the Standardization Committee namely the Battery Life Sub Working Group The committees involved in drafting the Standard are as follows Standardization Committee Chair Iwao Aizawa KONICA MINOLTA TECHNOLOGY CENTER INC KONICA CORPORATION Vice Chair Nobuaki Sakurada Canon Inc Eichi Ichimura Sony Corporation Tetsuro Goto NIKON CORPORATION Toshiharu Fuji Photo Film Co Ltd Technical Working Group Leader Kosho Miura NIKON CORPORATION Sub Leader Hideaki Yoshida OLYMPUS CORPORATION OLYMPUS OPTICAL CO LTD Tadasu Ohtani Canon Inc Masaaki Nakayama Matsushita Electric Industrial Co Ltd Promotion Working Group Leader Akio Usui PENTAX Corporation Asahi Optical Co Ltd Sub Leader Mitsuo Matsudaira Canon Inc Michihiro Iwata KONICA MINOLTA CAMERA INC Minolta Co ltd Battery Life Sub Working Group Chief Minoru Yahiro Sub Chief Shigekuni Yanagida Member Yasushi Tanaka Nobumitu Chiyomatsu Hideaki Yoshida Hiroyuki Otsuka Hiroshi Kobayashi Hiromasa Suzuki Masaaki Tsuchida Akira Horikawa Masahiko Nishikawa Takafumi Us
16. s been conducted by the Camera amp Imaging Products Association Resolution Working Group 11 CIPA DC 002 Translation 2003 The standards of Camera amp Imaging Products Association are drawn up with no representation made as to the relationship of the standards to intellectual property patents utility patents etc Camera amp Imaging Products Association shall bear no responsibility for any intellectual property rights concerning the contents of this standard CIPA DC 002 Translation 2003 Published in December 2003 Published by Camera amp Imaging Products Association BLDG 25 Ichiban cho Chiyoda ku Tokyo 102 0082 Japan TEL 81 3 5276 3891 81 3 5276 3893 All rights reserved No part of this standard may be reproduced in any from or by any means without prior permission in writing from the publisher 12
17. teria and color monitor on off mode As a basic rule the measurement should considered finished when the first low battery shutdown occurs after the measurement starts There are cameras however that are able to continue shooting with only some of the functions disabled for example the color monitor may no longer be on but the optical finder can be used to shoot pictures This measurement however would violate the rule that measurements shall be made with all the functions relating to still photography activated to their full extent and is therefore not acceptable It is with this type of situation in mind that the requirement is stated as follows If some function related to still photography stops working this shall be considered the end of the test even if the low battery shutdown has not occurred However there are cameras with power saving features such as shutting down the color monitor when the flash is charging and restoring the display after the flash is charged Disallowing this situation would make it impossible to conduct battery consumption measurements for such a camera To relieve such inconvenience an exception is added as follows If however the stopped function can be restored by an automatic or manual operation other than by replacing batteries or power cycling it shall be restored immediately and the test shall be continued For similar reasons this wording is adopted also with regard to the color
18. the next power on shall be as much time as needed without affecting battery life any additional off time will not change the measurement results CIPA DC 002 Translation 2003 In the actual conducting of the measurements in the case of a camera with such characteristics and using alkaline batteries an off time of 60 minutes is recommended as the long off period Whereas an off time longer than 60 minutes or more than a few days is not uncommon in actual use it is impractical to take an off time longer than several hours when conducting measurements Accordingly in this standard it was decided to use a 60 minute off period as the representative of long off periods However since this would still require considerable testing time the time may be shortened as in the examples below Example 1 Experimentally determine an extrapolation factor between 10 minute off periods and 60 minute off periods Conduct the actual testing at 10 minute off periods and extrapolate to 60 minute off period results Example 2 During the off period remove the batteries from the camera and cool them for 10 to 15 minutes in order to obtain results similar to those for 60 minute off periods It must be noted that a large variation in battery life due to the length of the off period is a feature of some cameras and battery types but does not occur with others It is also conceivable that the degree of this difference will vary with the product and battery Natu
19. ui Kohichi Harada Takayoshi Kojima Masanobu Shirakawa Sachio Okano Heihachi Tanaka Sumio Sakai Masao Ohnuki Toru Nishimura Takashi Yano Hisashi Tatamiya Shigeo Sakaue Yasutoshi Yamamoto Atsushi Minakuchi Kazumasa Aoki Jun Ohsuga CIPA DC 002 Translation 2003 KODAK JAPAN LTD CASIO COMPUTER Ltd ImageLink Inc OLYMPUS CORPORATION OLYMPUS OPTICAL CO LTD OLYMPUS CORPORATION OLYMPUS OPTICAL CO LTD Canon Inc Kyocera Corporation Kyocera Corporation KONICA MINOLTA OPTO INC KONICA CORPORATION KONICA MINOLTA CAMERA INC Minolta Co Itd SANYO Electric Co Ltd SHARP CORPORATION SHARP CORPORATION SEIKO EPSON CORPORATION SEIKO EPSON CORPORATION Sony Coporation CHINON INDUSTRIES INC TOSHIBA CORPORATION NIKON CORPORATION Fuji Photo Film Co Ltd Fuji Photo Film Co Ltd PENTAX Corporation Asahi Optical Co Ltd Matsushita Electric Industrial Co Ltd Matsushita Electric Industrial Co Ltd Matsushita Electric Industrial Co Ltd Ricoh Co Ltd Ricoh Co Ltd In addition the Catalog Sub Working Group in the Propagation Working Group has collaborated on the consideration of the expressions in this Standard Documentation Rule Sub Working Group Chief Sub Chief Member Toshiharu lida Mitsuo Matsudaira Kazuki Enomoto Hiroe Kuboki Takashi Niida Atsuhiko Oda Keiji Arai Kumi Okabe Motohiro Kinoshita Masaki Shiozaki Takashi Hamajima Hidemi Aoshima
20. ults because they are the settings that most users will select for the particular model That is they are the settings most likely to be used in most situations However in some cases the factory setting does not properly determine the setting to be used for the measurement For example in the case of a camera whose on off switch also works as the function changing dial the dial may be shifted as off gt replay Automatic shooting Manual shooting If the on off switch is the factory setting off for this model the measurement is obviously impossible To avoid confusion in such cases when parameters are not determined by the factory setting the manufacturer shall conduct the measurement under the setting that is assumed to be the most likely to be chosen by users of the particular model e g automatic shooting and information that can identify the setting shall be reported with the results In addition it may be assumed that the functional setting can not always set the power level For instance there is a mechanism whereby one of the manipulations of the zoom lever controls the rotation of the zoom motor In this mechanism the more deeply the lever is pushed the faster the rotor rotates For such a mechanism the functional setting can not specify the power consumed by the zoom motor In such cases making full use of the power available for such functions is specified 3 Full charge status of secondary batteries The full
21. ypes which identifies the kinds of batteries used shall be included 4 5 2 Exception If the batteries used in the measurement are equivalent to those supplied with the camera for retail sale the description Batteries supplied at sale are used may be used 4 6 Recording media 4 6 1 General rule Information at least model names or types which identifies the kinds of media used shall be included If the media supplied with the camera at sale are used the description Media supplied at sale are used may be used 4 6 2 Exception If a description saying that the measurement was made in accordance with the CIPA Standard for Measuring Battery Consumption is patently written on the same explanatory or advertising media that includes information regarding the number of shots or in other media the description of the recording media used may be omitted 4 7 Function setting and shooting mode If the measurement is made using a function setting or shooting mode different from the factory default setting such measurement conditions shall be described except under the conditions set forth in the stipulations in this CIPA Standard for Measuring Battery Consumption DC 002 Translation 2003 See example descriptions listed in Section 4 8 for actual examples 4 8 Example Descriptions Example 1 Number of pictures that can be shot XX Based on the CIPA Standard and using the batteries and memory card supplied with the camera
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