HK113993A - Power circuit for a camera - Google Patents

Power circuit for a camera

Info

Publication number
HK113993A
HK113993A HK1139/93A HK113993A HK113993A HK 113993 A HK113993 A HK 113993A HK 1139/93 A HK1139/93 A HK 1139/93A HK 113993 A HK113993 A HK 113993A HK 113993 A HK113993 A HK 113993A
Authority
HK
Hong Kong
Prior art keywords
camera
power circuit
circuit
power
Prior art date
Application number
HK1139/93A
Other languages
English (en)
Inventor
Youichi Seki
Hiroshi Yamazaki
Hiroyuki Saito
Michio Taniwaki
Original Assignee
Seikosha Kk
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Seikosha Kk filed Critical Seikosha Kk
Publication of HK113993A publication Critical patent/HK113993A/xx

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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Exposure Control For Cameras (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Power Sources (AREA)
HK1139/93A 1987-03-20 1993-10-28 Power circuit for a camera HK113993A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62066480A JP2526572B2 (ja) 1987-03-20 1987-03-20 カメラ用電源回路

Publications (1)

Publication Number Publication Date
HK113993A true HK113993A (en) 1993-11-05

Family

ID=13316987

Family Applications (1)

Application Number Title Priority Date Filing Date
HK1139/93A HK113993A (en) 1987-03-20 1993-10-28 Power circuit for a camera

Country Status (5)

Country Link
US (1) US4831406A (de)
JP (1) JP2526572B2 (de)
DE (1) DE3809117C2 (de)
GB (1) GB2203005B (de)
HK (1) HK113993A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2562146B2 (ja) * 1987-07-10 1996-12-11 キヤノン株式会社 カメラのための制御装置
JP2710103B2 (ja) * 1987-12-03 1998-02-10 キヤノン株式会社 カメラ
JPH04178114A (ja) * 1990-11-09 1992-06-25 Canon Inc 電子機器
US5389998A (en) * 1993-04-08 1995-02-14 Eastman Kodak Company Camera power supply system
JPH08179396A (ja) * 1994-12-21 1996-07-12 Nikon Corp カメラの露光制御装置
JP2003078789A (ja) * 2001-09-05 2003-03-14 Fuji Photo Film Co Ltd ディジタルカメラ装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5421337A (en) * 1977-07-18 1979-02-17 Hitachi Ltd Display method for level check and its circuit
JPS5471631A (en) * 1977-11-18 1979-06-08 Seiko Koki Kk Device for warning automatic focusing control camera
JPS56125962A (en) * 1980-03-10 1981-10-02 Canon Inc Power source voltage detector
JPS5764398A (en) * 1980-10-03 1982-04-19 Olympus Optical Co Ltd Memory device
DE3225557C2 (de) * 1982-07-08 1985-08-14 Telefunken electronic GmbH, 7100 Heilbronn Schaltung für eine Computer-Blitzsteuerung
JPH068939B2 (ja) * 1982-07-15 1994-02-02 株式会社ニコン バッテリ・チェック機能を有するカメラ
JPS5942524A (ja) * 1982-09-01 1984-03-09 Olympus Optical Co Ltd カメラの電源回路
JPS5948739A (ja) * 1982-09-13 1984-03-21 Nippon Kogaku Kk <Nikon> マイクロコンピユ−タを使用したカメラ
JPS59136622U (ja) * 1983-03-01 1984-09-12 株式会社ニコン カメラ
US4621914A (en) * 1983-07-27 1986-11-11 Minolta Camera Kk Camera system
JPS60188934A (ja) * 1984-03-07 1985-09-26 Canon Inc カメラの電圧制御装置
US4561754A (en) * 1984-02-13 1985-12-31 Canon Kabushiki Kaisha Voltage control apparatus for a camera
US4645326A (en) * 1984-03-30 1987-02-24 Canon Kabushiki Kaisha Camera with computer circuit
US4662736A (en) * 1984-12-29 1987-05-05 Minolta Camera Kabushiki Kaisha Power supply system for memory unit of camera
JPS62188743U (de) * 1986-05-21 1987-12-01
US4685023A (en) * 1986-11-14 1987-08-04 General Motors Corporation Power latch circuit for computer self deactivation

Also Published As

Publication number Publication date
US4831406A (en) 1989-05-16
DE3809117A1 (de) 1988-09-29
GB2203005B (en) 1991-06-05
JP2526572B2 (ja) 1996-08-21
GB2203005A (en) 1988-10-05
JPS63231429A (ja) 1988-09-27
DE3809117C2 (de) 1999-04-01
GB8806141D0 (en) 1988-04-13

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20070315