HK12278A - Exposure control means - Google Patents

Exposure control means

Info

Publication number
HK12278A
HK12278A HK122/78A HK12278A HK12278A HK 12278 A HK12278 A HK 12278A HK 122/78 A HK122/78 A HK 122/78A HK 12278 A HK12278 A HK 12278A HK 12278 A HK12278 A HK 12278A
Authority
HK
Hong Kong
Prior art keywords
control means
exposure control
exposure
control
Prior art date
Application number
HK122/78A
Other languages
English (en)
Inventor
R V Alessi
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of HK12278A publication Critical patent/HK12278A/xx

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
    • G03B7/081—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
    • 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
    • G03B2217/00—Details of cameras or camera bodies; Accessories therefor
    • G03B2217/005—Blur detection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Details Of Cameras Including Film Mechanisms (AREA)
HK122/78A 1973-10-24 1978-03-02 Exposure control means HK12278A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40922873A 1973-10-24 1973-10-24
US472405A US3924263A (en) 1973-10-24 1974-05-22 Shutter control circuit for a photographic camera

Publications (1)

Publication Number Publication Date
HK12278A true HK12278A (en) 1978-03-10

Family

ID=27020562

Family Applications (1)

Application Number Title Priority Date Filing Date
HK122/78A HK12278A (en) 1973-10-24 1978-03-02 Exposure control means

Country Status (7)

Country Link
US (1) US3924263A (de)
CA (1) CA1007503A (de)
DE (1) DE2450155A1 (de)
FR (1) FR2249359A1 (de)
GB (1) GB1485165A (de)
HK (1) HK12278A (de)
MY (1) MY7800195A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052726A (en) * 1973-06-14 1977-10-04 Eastman Kodak Company Exposure control apparatus
JPS524826A (en) * 1975-06-30 1977-01-14 Fuji Photo Optical Co Ltd Exposure control circuit for the camera
US4037237A (en) * 1975-11-12 1977-07-19 Eastman Kodak Company Exposure control apparatus
US4112443A (en) * 1976-01-26 1978-09-05 Ricoh Co., Ltd. Shutter and low-light indicator actuating device for a camera
JPH01314225A (ja) * 1988-06-14 1989-12-19 Fuji Photo Film Co Ltd 自動露光機能付カメラ
JP4146991B2 (ja) * 2000-09-18 2008-09-10 キヤノン株式会社 電子カメラシステム、電子カメラ及び電子カメラシステムの制御方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699858A (en) * 1969-11-04 1972-10-24 Canon Kk Camera equipped with auto-flash device
JPS5116139B2 (de) * 1972-06-07 1976-05-21

Also Published As

Publication number Publication date
CA1007503A (en) 1977-03-29
DE2450155A1 (de) 1975-04-30
MY7800195A (en) 1978-12-31
US3924263A (en) 1975-12-02
GB1485165A (en) 1977-09-08
FR2249359A1 (de) 1975-05-23

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