DE2922211A1 - Kamera mit betriebsanzeige fuer ein automatisches blitzlichtgeraet - Google Patents

Kamera mit betriebsanzeige fuer ein automatisches blitzlichtgeraet

Info

Publication number
DE2922211A1
DE2922211A1 DE19792922211 DE2922211A DE2922211A1 DE 2922211 A1 DE2922211 A1 DE 2922211A1 DE 19792922211 DE19792922211 DE 19792922211 DE 2922211 A DE2922211 A DE 2922211A DE 2922211 A1 DE2922211 A1 DE 2922211A1
Authority
DE
Germany
Prior art keywords
camera
luminous element
transistor
current
viewfinder
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.)
Ceased
Application number
DE19792922211
Other languages
German (de)
English (en)
Inventor
Masahiro Kitagawa
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.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Publication of DE2922211A1 publication Critical patent/DE2922211A1/de
Ceased 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
    • G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder
    • 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
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
    • 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
    • G03B2215/00—Special procedures for taking photographs; Apparatus therefor
    • G03B2215/05—Combinations of cameras with electronic flash units
    • G03B2215/0514—Separate unit

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stroboscope Apparatuses (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
DE19792922211 1978-05-31 1979-05-31 Kamera mit betriebsanzeige fuer ein automatisches blitzlichtgeraet Ceased DE2922211A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6512878A JPS54156630A (en) 1978-05-31 1978-05-31 Camera having operation display means of automatic dimmer type strobe

Publications (1)

Publication Number Publication Date
DE2922211A1 true DE2922211A1 (de) 1979-12-06

Family

ID=13277918

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2953748A Expired DE2953748C2 (forum.php) 1978-05-31 1979-05-31
DE19792922211 Ceased DE2922211A1 (de) 1978-05-31 1979-05-31 Kamera mit betriebsanzeige fuer ein automatisches blitzlichtgeraet

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE2953748A Expired DE2953748C2 (forum.php) 1978-05-31 1979-05-31

Country Status (3)

Country Link
US (1) US4295717A (forum.php)
JP (1) JPS54156630A (forum.php)
DE (2) DE2953748C2 (forum.php)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2930437A1 (de) * 1978-07-28 1980-02-07 Olympus Optical Co Betriebsanzeigeschaltung fuer blitzlichtgeraete

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57734U (forum.php) * 1980-06-03 1982-01-05
US4410250A (en) * 1981-04-03 1983-10-18 Vivitar Corporation Flash adapater and system
US4429966A (en) 1981-04-16 1984-02-07 Canon Kabushiki Kaisha Camera with photoelectric focus detecting device
JPS5848032A (ja) * 1981-09-16 1983-03-19 Minolta Camera Co Ltd 電子閃光発光装置
JPS5859425A (ja) 1981-10-05 1983-04-08 Minolta Camera Co Ltd 閃光撮影における調光完了信号停止装置
JPS5863927A (ja) * 1981-10-13 1983-04-16 Canon Inc 閃光撮影装置
US4573786A (en) * 1983-05-27 1986-03-04 Minolta Camera Kabushiki Kaisha Flash photographing system
US5400113A (en) * 1988-03-16 1995-03-21 Nikon Corporation Control device for preventing red-eye effect on camera
US5030891A (en) * 1988-11-30 1991-07-09 Omron Tateisi Electronic Co. Photoelectric switch
US5270764A (en) * 1990-02-20 1993-12-14 Canon Kabushiki Kaisha Remote controlled camera system providing indication of flash capability
US7551848B2 (en) * 2005-05-10 2009-06-23 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Photographic light system, imaging device and method for providing different types of photographic light using a single multifunctional light module
JP2008261896A (ja) * 2007-04-10 2008-10-30 Sony Corp 撮像装置、ストロボ装置、および充電制御方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3693110A (en) 1971-02-23 1972-09-19 C A Briggs Co Audible signal or alarm device including two variable frequency unijunction transistor oscillators
DE2520449A1 (de) 1974-05-08 1975-11-13 Canon Kk Kamerasystem fuer blitzlichtphotographie
US3999193A (en) 1974-07-20 1976-12-21 Nippon Kogaku K.K. Automatic control indication device in an automatic control type electronic flash unit
US4072973A (en) 1976-01-26 1978-02-07 Mayo William D Camera signal system for portrait taking

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3487404A (en) * 1967-03-23 1969-12-30 Avco Corp Combined fire alarm,burglar alarm,and intercommunication system
DE2060193A1 (de) * 1970-12-08 1972-06-15 Leitz Ernst Gmbh Elektronische Schaltung zur Anzeige der zu erwartenden Belichtungszeit bei fotografischen Kameras
JPS522619B2 (forum.php) * 1972-05-30 1977-01-22
US3778672A (en) * 1972-07-27 1973-12-11 Ponder & Best Audible alert signal for an electronic flash unit
US3776625A (en) * 1972-07-27 1973-12-04 Ponder & Best Condition responsive alert signal for a movie camera
US3922672A (en) * 1974-03-04 1975-11-25 Mallory & Co Inc P R Audible alarm device
US4047194A (en) * 1974-05-08 1977-09-06 Canon Kabushiki Kaisha Camera system with means for automatically switching to flash operation
US3983448A (en) * 1974-05-16 1976-09-28 West Electric Company, Ltd. Automatic strobo flash device
US4068150A (en) * 1975-03-14 1978-01-10 West Electric Co., Ltd. Voltage indication means for an electronic flashing device
US4013921A (en) * 1975-06-02 1977-03-22 Austin Electronics, Inc. Warning light control
JPS52146139U (forum.php) * 1976-04-30 1977-11-05
JPS52161644U (forum.php) * 1976-06-01 1977-12-07
US4134660A (en) * 1976-07-07 1979-01-16 Canon Kabushiki Kaisha Self timer of camera

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3693110A (en) 1971-02-23 1972-09-19 C A Briggs Co Audible signal or alarm device including two variable frequency unijunction transistor oscillators
DE2520449A1 (de) 1974-05-08 1975-11-13 Canon Kk Kamerasystem fuer blitzlichtphotographie
US3999193A (en) 1974-07-20 1976-12-21 Nippon Kogaku K.K. Automatic control indication device in an automatic control type electronic flash unit
US4072973A (en) 1976-01-26 1978-02-07 Mayo William D Camera signal system for portrait taking

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2930437A1 (de) * 1978-07-28 1980-02-07 Olympus Optical Co Betriebsanzeigeschaltung fuer blitzlichtgeraete

Also Published As

Publication number Publication date
DE2953748C2 (forum.php) 1987-12-17
US4295717A (en) 1981-10-20
JPS54156630A (en) 1979-12-10

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