CA921311A - Exposure control system incorporating a master actuator - Google Patents

Exposure control system incorporating a master actuator

Info

Publication number
CA921311A
CA921311A CA086992A CA86992A CA921311A CA 921311 A CA921311 A CA 921311A CA 086992 A CA086992 A CA 086992A CA 86992 A CA86992 A CA 86992A CA 921311 A CA921311 A CA 921311A
Authority
CA
Canada
Prior art keywords
control system
exposure control
system incorporating
master actuator
master
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.)
Expired
Application number
CA086992A
Other languages
English (en)
Inventor
M. Douglas Lawrence
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of CA921311A publication Critical patent/CA921311A/en
Expired 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
    • 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
    • G03B7/10—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 a servo-motor providing energy to move the setting member
    • 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
    • G03B7/087—Analogue circuits for control of both exposure time and aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)
  • Diaphragms For Cameras (AREA)
  • Exposure Control For Cameras (AREA)
CA086992A 1969-06-30 1970-06-30 Exposure control system incorporating a master actuator Expired CA921311A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83768269A 1969-06-30 1969-06-30

Publications (1)

Publication Number Publication Date
CA921311A true CA921311A (en) 1973-02-20

Family

ID=25275122

Family Applications (1)

Application Number Title Priority Date Filing Date
CA086992A Expired CA921311A (en) 1969-06-30 1970-06-30 Exposure control system incorporating a master actuator

Country Status (6)

Country Link
US (1) US3595152A (cg-RX-API-DMAC7.html)
JP (1) JPS5418138B1 (cg-RX-API-DMAC7.html)
CA (1) CA921311A (cg-RX-API-DMAC7.html)
DE (1) DE2032039C2 (cg-RX-API-DMAC7.html)
FR (1) FR2051439A5 (cg-RX-API-DMAC7.html)
GB (1) GB1310027A (cg-RX-API-DMAC7.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA998865A (en) * 1972-04-24 1976-10-26 Polaroid Corporation Photographic control system for flash and ambient light modes
JPS4997616A (cg-RX-API-DMAC7.html) * 1973-01-20 1974-09-14
JPS49110337A (cg-RX-API-DMAC7.html) * 1973-02-20 1974-10-21
JPS5271525U (cg-RX-API-DMAC7.html) * 1975-11-25 1977-05-28
US4335945A (en) * 1981-01-02 1982-06-22 Polaroid Corporation Camera with structure for adjusting lens disc velocity and calibration method
JP3986134B2 (ja) * 1997-09-09 2007-10-03 オリンパス株式会社 電子的撮像装置
JPH1184464A (ja) * 1997-09-09 1999-03-26 Olympus Optical Co Ltd 電子的撮像装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1118601B (de) * 1956-09-26 1961-11-30 Gauthier Gmbh A Photographische Kamera oder photographischer Verschluss mit selbsttaetiger Belichtungseinstellung
US3292516A (en) * 1963-05-17 1966-12-20 Copal Co Ltd Photographic camera with automatic exposure control
GB1088915A (en) * 1964-05-15 1967-10-25 Agfa Ag Photographic camera with an exposure regulating device
DE1231546B (de) * 1964-08-27 1966-12-29 Agfa Gevaert Ag Fotografische Kamera mit einer Belichtungssteuereinrichtung
US3416421A (en) * 1965-05-06 1968-12-17 Agfa Gevaert Ag Exposure control for photographic cameras
DE1472637A1 (de) * 1965-05-28 1969-07-10 Gossen & Co Gmbh P Elektronisch gesteuerter Kameraverschluss
US3464332A (en) * 1966-05-12 1969-09-02 Polaroid Corp Automatic exposure control system

Also Published As

Publication number Publication date
JPS5418138B1 (cg-RX-API-DMAC7.html) 1979-07-05
FR2051439A5 (cg-RX-API-DMAC7.html) 1971-04-02
DE2032039A1 (de) 1971-01-14
US3595152A (en) 1971-07-27
DE2032039C2 (de) 1983-07-28
GB1310027A (en) 1973-03-14

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