JPS56125962A - Power source voltage detector - Google Patents
Power source voltage detectorInfo
- Publication number
- JPS56125962A JPS56125962A JP3007180A JP3007180A JPS56125962A JP S56125962 A JPS56125962 A JP S56125962A JP 3007180 A JP3007180 A JP 3007180A JP 3007180 A JP3007180 A JP 3007180A JP S56125962 A JPS56125962 A JP S56125962A
- Authority
- JP
- Japan
- Prior art keywords
- output
- booster circuit
- power source
- level check
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/26—Power supplies; Circuitry or arrangement to switch on the power source; Circuitry to check the power source voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Dc-Dc Converters (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3007180A JPS56125962A (en) | 1980-03-10 | 1980-03-10 | Power source voltage detector |
DE19813109039 DE3109039A1 (de) | 1980-03-10 | 1981-03-10 | Batteriespannungs-ueberwachungseinrichtung fuer kameras |
US06/599,210 US4522480A (en) | 1980-03-10 | 1984-04-12 | Battery voltage checking device for cameras |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3007180A JPS56125962A (en) | 1980-03-10 | 1980-03-10 | Power source voltage detector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56125962A true JPS56125962A (en) | 1981-10-02 |
JPS6323750B2 JPS6323750B2 (ja) | 1988-05-18 |
Family
ID=12293570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3007180A Granted JPS56125962A (en) | 1980-03-10 | 1980-03-10 | Power source voltage detector |
Country Status (3)
Country | Link |
---|---|
US (1) | US4522480A (ja) |
JP (1) | JPS56125962A (ja) |
DE (1) | DE3109039A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59122735U (ja) * | 1983-02-04 | 1984-08-18 | 株式会社測機舎 | パワ−セ−ブ回路 |
JPS63246081A (ja) * | 1988-03-11 | 1988-10-13 | Konica Corp | スチルビデオカメラ |
JPS645223A (en) * | 1987-06-12 | 1989-01-10 | Sgs Thomson Microelectronics | Power supply circuit for integrated circuit using mos technology |
JP2010193688A (ja) * | 2009-02-20 | 2010-09-02 | Seiko Instruments Inc | 昇圧回路 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3447464A1 (de) * | 1983-12-29 | 1985-07-18 | Ricoh Co., Ltd., Tokio/Tokyo | Pruefschaltung fuer die batterie einer stroposkopischen blitzlichteinheit einer kamera |
JPS63113431A (ja) * | 1986-10-29 | 1988-05-18 | Konica Corp | カメラ |
JP2526572B2 (ja) * | 1987-03-20 | 1996-08-21 | 株式会社精工舎 | カメラ用電源回路 |
JPH01288840A (ja) * | 1988-05-16 | 1989-11-21 | Minolta Camera Co Ltd | カメラの電源供給システム |
US5055865A (en) * | 1989-04-27 | 1991-10-08 | Minolta Camera Kabushiki Kaisha | Flashlight photographing device |
JPH06281710A (ja) * | 1993-03-26 | 1994-10-07 | Canon Inc | バッテリーチェック装置 |
JP3747381B2 (ja) * | 1994-11-10 | 2006-02-22 | 富士通株式会社 | 電池内蔵の電子装置の電源制御回路 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5313649A (en) * | 1976-07-23 | 1978-02-07 | Kansai Paint Co Ltd | Method of electrodeposition coating |
JPS5444922U (ja) * | 1978-08-15 | 1979-03-28 | ||
JPS54124214A (en) * | 1978-02-27 | 1979-09-27 | Motorola Inc | Operation stopping circuit for switching power supply |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4068150A (en) * | 1975-03-14 | 1978-01-10 | West Electric Co., Ltd. | Voltage indication means for an electronic flashing device |
JPS51107826A (ja) * | 1975-03-19 | 1976-09-24 | Fuji Photo Film Co Ltd | |
US4126874A (en) * | 1975-12-27 | 1978-11-21 | Canon Kabushiki Kaisha | Power supply circuit for camera |
US4131351A (en) * | 1976-02-20 | 1978-12-26 | West Electric Co., Ltd. | Battery checker for a camera with a flash light unit |
JPS53109628A (en) * | 1977-03-05 | 1978-09-25 | Nippon Chemical Ind | Indication device for camera |
JPS56109327A (en) * | 1980-02-05 | 1981-08-29 | Nippon Kogaku Kk <Nikon> | Flash device with dimmer |
US4290677A (en) * | 1980-09-08 | 1981-09-22 | Eastman Kodak Company | Apparatus for checking the operational status of an electronic strobe unit's battery under load conditions |
-
1980
- 1980-03-10 JP JP3007180A patent/JPS56125962A/ja active Granted
-
1981
- 1981-03-10 DE DE19813109039 patent/DE3109039A1/de active Granted
-
1984
- 1984-04-12 US US06/599,210 patent/US4522480A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5313649A (en) * | 1976-07-23 | 1978-02-07 | Kansai Paint Co Ltd | Method of electrodeposition coating |
JPS54124214A (en) * | 1978-02-27 | 1979-09-27 | Motorola Inc | Operation stopping circuit for switching power supply |
JPS5444922U (ja) * | 1978-08-15 | 1979-03-28 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59122735U (ja) * | 1983-02-04 | 1984-08-18 | 株式会社測機舎 | パワ−セ−ブ回路 |
JPH0534227Y2 (ja) * | 1983-02-04 | 1993-08-30 | ||
JPS645223A (en) * | 1987-06-12 | 1989-01-10 | Sgs Thomson Microelectronics | Power supply circuit for integrated circuit using mos technology |
JPS63246081A (ja) * | 1988-03-11 | 1988-10-13 | Konica Corp | スチルビデオカメラ |
JPH0517745B2 (ja) * | 1988-03-11 | 1993-03-10 | Konishiroku Photo Ind | |
JP2010193688A (ja) * | 2009-02-20 | 2010-09-02 | Seiko Instruments Inc | 昇圧回路 |
KR101437201B1 (ko) * | 2009-02-20 | 2014-09-03 | 세이코 인스트루 가부시키가이샤 | 승압 회로 |
Also Published As
Publication number | Publication date |
---|---|
DE3109039C2 (ja) | 1988-12-29 |
US4522480A (en) | 1985-06-11 |
JPS6323750B2 (ja) | 1988-05-18 |
DE3109039A1 (de) | 1982-02-18 |
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