DE2364451A1 - Photographische kamera mit einem elektrisch gesteuerten verschlussystem - Google Patents

Photographische kamera mit einem elektrisch gesteuerten verschlussystem

Info

Publication number
DE2364451A1
DE2364451A1 DE19732364451 DE2364451A DE2364451A1 DE 2364451 A1 DE2364451 A1 DE 2364451A1 DE 19732364451 DE19732364451 DE 19732364451 DE 2364451 A DE2364451 A DE 2364451A DE 2364451 A1 DE2364451 A1 DE 2364451A1
Authority
DE
Germany
Prior art keywords
time
circuit
shutter
capacitor
switch
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.)
Pending
Application number
DE19732364451
Other languages
German (de)
English (en)
Inventor
Toru Matsui
Kayoshi Tsujimoto
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.)
Minolta Co Ltd
Original Assignee
Minolta 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 Minolta Co Ltd filed Critical Minolta Co Ltd
Publication of DE2364451A1 publication Critical patent/DE2364451A1/de
Pending 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/58—Means for varying duration of "open" period of shutter
    • 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
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits
    • G03B7/083—Analogue circuits for control of exposure time
    • 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
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Shutters For Cameras (AREA)
  • Shutter-Related Mechanisms (AREA)
DE19732364451 1972-12-30 1973-12-24 Photographische kamera mit einem elektrisch gesteuerten verschlussystem Pending DE2364451A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48000124A JPS4991639A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-12-30 1972-12-30

Publications (1)

Publication Number Publication Date
DE2364451A1 true DE2364451A1 (de) 1974-07-04

Family

ID=11465275

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732364451 Pending DE2364451A1 (de) 1972-12-30 1973-12-24 Photographische kamera mit einem elektrisch gesteuerten verschlussystem

Country Status (2)

Country Link
JP (1) JPS4991639A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2364451A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5764041A (en) * 1980-10-03 1982-04-17 Olympus Optical Co Automatic exposure device for endoscope

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4218587Y1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1964-03-27 1967-10-27

Also Published As

Publication number Publication date
JPS4991639A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-09-02

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Legal Events

Date Code Title Description
OHJ Non-payment of the annual fee