DE3122088A1 - "anzeigegeraet fuer eine kamera" - Google Patents

"anzeigegeraet fuer eine kamera"

Info

Publication number
DE3122088A1
DE3122088A1 DE19813122088 DE3122088A DE3122088A1 DE 3122088 A1 DE3122088 A1 DE 3122088A1 DE 19813122088 DE19813122088 DE 19813122088 DE 3122088 A DE3122088 A DE 3122088A DE 3122088 A1 DE3122088 A1 DE 3122088A1
Authority
DE
Germany
Prior art keywords
voltage
flash
circuit
camera
transistor
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.)
Withdrawn
Application number
DE19813122088
Other languages
German (de)
English (en)
Inventor
Osamu Tokyo Maida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nikon Corp
Original Assignee
Nippon Kogaku 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 Nippon Kogaku KK filed Critical Nippon Kogaku KK
Publication of DE3122088A1 publication Critical patent/DE3122088A1/de
Withdrawn legal-status Critical Current

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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/18—Signals indicating condition of a camera member or suitability of light
    • 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
    • G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Stroboscope Apparatuses (AREA)
DE19813122088 1980-06-03 1981-06-03 "anzeigegeraet fuer eine kamera" Withdrawn DE3122088A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7453780A JPS57629A (en) 1980-06-03 1980-06-03 Display device for camera

Publications (1)

Publication Number Publication Date
DE3122088A1 true DE3122088A1 (de) 1982-04-22

Family

ID=13550119

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813122088 Withdrawn DE3122088A1 (de) 1980-06-03 1981-06-03 "anzeigegeraet fuer eine kamera"

Country Status (3)

Country Link
US (1) US4431291A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS57629A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3122088A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6657355B2 (en) * 2000-03-23 2003-12-02 Denso Corporation Plane commutator with metal base plate and carbon compound segments having projections

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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
US4989029A (en) * 1988-04-20 1991-01-29 Minolta Camera Kabushiki Kaisha Camera with control apparatus for charging storage capacitor for flash light emission
US20090267416A1 (en) * 2008-04-29 2009-10-29 Sony Ericsson Mobile Communications Ab Arrangement relating power backup and method for power backup

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4131351A (en) * 1976-02-20 1978-12-26 West Electric Co., Ltd. Battery checker for a camera with a flash light unit
JPS52161644U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1976-06-01 1977-12-07
JPS6025051Y2 (ja) * 1977-04-19 1985-07-27 ウエスト電気株式会社 電子閃光装置
US4193677A (en) * 1977-07-29 1980-03-18 Nippon Kogaku K.K. Warning circuit in an auto-controlled flashlight photographing device
JPS5910718Y2 (ja) * 1978-05-18 1984-04-03 ウエスト電気株式会社 自動調光電子閃光装置の報知装置
JPS54154320A (en) * 1978-05-25 1979-12-05 Olympus Optical Co Ltd Light tuning operation display circuit of automatic light tuning type strobe
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6657355B2 (en) * 2000-03-23 2003-12-02 Denso Corporation Plane commutator with metal base plate and carbon compound segments having projections

Also Published As

Publication number Publication date
US4431291A (en) 1984-02-14
JPH023484B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-01-23
JPS57629A (en) 1982-01-05

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Legal Events

Date Code Title Description
8130 Withdrawal