CA965283A - Electronically-timed shutter control - Google Patents

Electronically-timed shutter control

Info

Publication number
CA965283A
CA965283A CA118,313A CA118313A CA965283A CA 965283 A CA965283 A CA 965283A CA 118313 A CA118313 A CA 118313A CA 965283 A CA965283 A CA 965283A
Authority
CA
Canada
Prior art keywords
electronically
shutter control
timed shutter
timed
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.)
Expired
Application number
CA118,313A
Other versions
CA118313S (en
Inventor
Donald M. Harvey
George M. Inglis
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.)
Eastman Kodak Co
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
Application granted granted Critical
Publication of CA965283A publication Critical patent/CA965283A/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
    • G03B7/081—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)
CA118,313A 1970-08-03 1971-07-15 Electronically-timed shutter control Expired CA965283A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6049470A 1970-08-03 1970-08-03

Publications (1)

Publication Number Publication Date
CA965283A true CA965283A (en) 1975-04-01

Family

ID=22029848

Family Applications (1)

Application Number Title Priority Date Filing Date
CA118,313A Expired CA965283A (en) 1970-08-03 1971-07-15 Electronically-timed shutter control

Country Status (4)

Country Link
CA (1) CA965283A (en)
DE (1) DE2138882A1 (en)
FR (1) FR2101945A5 (en)
GB (1) GB1365560A (en)

Also Published As

Publication number Publication date
DE2138882A1 (en) 1972-02-10
GB1365560A (en) 1974-09-04
FR2101945A5 (en) 1972-03-31

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