JPS6148139B2 - - Google Patents

Info

Publication number
JPS6148139B2
JPS6148139B2 JP75576A JP75576A JPS6148139B2 JP S6148139 B2 JPS6148139 B2 JP S6148139B2 JP 75576 A JP75576 A JP 75576A JP 75576 A JP75576 A JP 75576A JP S6148139 B2 JPS6148139 B2 JP S6148139B2
Authority
JP
Japan
Prior art keywords
signal
exposure
adjustment
optical path
aperture
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
JP75576A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5194224A (de
Inventor
Kiin Jonson Buruusu
Darushii Howaitosaido Jooji
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
Priority claimed from US05/538,108 external-priority patent/US3975744A/en
Application filed by Polaroid Corp filed Critical Polaroid Corp
Publication of JPS5194224A publication Critical patent/JPS5194224A/ja
Publication of JPS6148139B2 publication Critical patent/JPS6148139B2/ja
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
    • G03B7/16—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
    • 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
    • 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
    • G03B7/091—Digital circuits
    • G03B7/097—Digital circuits for control of both exposure time and aperture
    • 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
    • G03B9/08—Shutters
    • G03B9/36—Sliding rigid plate
    • G03B9/40—Double plate
JP75576A 1975-01-02 1976-01-05 Expired JPS6148139B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/538,108 US3975744A (en) 1974-08-05 1975-01-02 Automatic exposure control system

Publications (2)

Publication Number Publication Date
JPS5194224A JPS5194224A (de) 1976-08-18
JPS6148139B2 true JPS6148139B2 (de) 1986-10-22

Family

ID=24145529

Family Applications (1)

Application Number Title Priority Date Filing Date
JP75576A Expired JPS6148139B2 (de) 1975-01-02 1976-01-05

Country Status (5)

Country Link
JP (1) JPS6148139B2 (de)
CA (1) CA1061625A (de)
DE (1) DE2558253A1 (de)
FR (1) FR2296867A1 (de)
GB (1) GB1529209A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306786A (en) * 1980-12-19 1981-12-22 Polaroid Corporation Photographic exposure control with scene light integration level determined as function of pre-exposure ambient scene light detect
JPS59189328A (ja) * 1983-04-13 1984-10-26 Fuji Photo Optical Co Ltd シヤツタの最大開口径規制装置
US10136210B2 (en) 2015-03-17 2018-11-20 Koss Corporation Personal acoustic systems and flexible earpiece mounts for the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3326103A (en) * 1964-12-09 1967-06-20 Polaroid Corp Auxiliary shutter timing mechanism
US3464332A (en) * 1966-05-12 1969-09-02 Polaroid Corp Automatic exposure control system
DE2163294C3 (de) * 1970-12-24 1981-06-11 Polaroid Corp., 02139 Cambridge, Mass. Photographischer Apparat
US3832722A (en) * 1971-08-03 1974-08-27 Polaroid Corp Apparatus and system for flash photography

Also Published As

Publication number Publication date
FR2296867B1 (de) 1982-11-12
JPS5194224A (de) 1976-08-18
DE2558253A1 (de) 1976-07-08
GB1529209A (en) 1978-10-18
CA1061625A (en) 1979-09-04
FR2296867A1 (fr) 1976-07-30

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