JPS5379533A - Exposure control device for camera - Google Patents

Exposure control device for camera

Info

Publication number
JPS5379533A
JPS5379533A JP15504576A JP15504576A JPS5379533A JP S5379533 A JPS5379533 A JP S5379533A JP 15504576 A JP15504576 A JP 15504576A JP 15504576 A JP15504576 A JP 15504576A JP S5379533 A JPS5379533 A JP S5379533A
Authority
JP
Japan
Prior art keywords
camera
control device
exposure control
exposure
control
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
JP15504576A
Other languages
Japanese (ja)
Inventor
Kenji Toyoda
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.)
Nippon Chemical Industrial Co Ltd
Original Assignee
Nippon Chemical Industrial 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 Nippon Chemical Industrial Co Ltd filed Critical Nippon Chemical Industrial Co Ltd
Priority to JP15504576A priority Critical patent/JPS5379533A/en
Priority to DE19772757852 priority patent/DE2757852A1/en
Publication of JPS5379533A publication Critical patent/JPS5379533A/en
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
    • 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
    • G03B7/095—Digital circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
JP15504576A 1976-12-24 1976-12-24 Exposure control device for camera Pending JPS5379533A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP15504576A JPS5379533A (en) 1976-12-24 1976-12-24 Exposure control device for camera
DE19772757852 DE2757852A1 (en) 1976-12-24 1977-12-23 Camera exposure control circuitry - uses digital counting technique to control exposure value stored in ROM with actual shutter opening

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15504576A JPS5379533A (en) 1976-12-24 1976-12-24 Exposure control device for camera

Publications (1)

Publication Number Publication Date
JPS5379533A true JPS5379533A (en) 1978-07-14

Family

ID=15597457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15504576A Pending JPS5379533A (en) 1976-12-24 1976-12-24 Exposure control device for camera

Country Status (2)

Country Link
JP (1) JPS5379533A (en)
DE (1) DE2757852A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5570778A (en) * 1978-11-22 1980-05-28 Ricoh Co Ltd Camera taking picture of stop watch
US4306785A (en) * 1979-02-01 1981-12-22 Asahi Kogaku Kogyo Kabushiki Kaisha Camera exposure time control circuit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4917726A (en) * 1972-06-06 1974-02-16
JPS4935776A (en) * 1972-07-25 1974-04-02
JPS4991220A (en) * 1972-12-29 1974-08-31

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4917726A (en) * 1972-06-06 1974-02-16
JPS4935776A (en) * 1972-07-25 1974-04-02
JPS4991220A (en) * 1972-12-29 1974-08-31

Also Published As

Publication number Publication date
DE2757852A1 (en) 1978-07-06

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