FR2227550B1 - - Google Patents

Info

Publication number
FR2227550B1
FR2227550B1 FR7414607A FR7414607A FR2227550B1 FR 2227550 B1 FR2227550 B1 FR 2227550B1 FR 7414607 A FR7414607 A FR 7414607A FR 7414607 A FR7414607 A FR 7414607A FR 2227550 B1 FR2227550 B1 FR 2227550B1
Authority
FR
France
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
FR7414607A
Other languages
French (fr)
Other versions
FR2227550A1 (en
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.)
Canon Inc
Original Assignee
Canon Inc
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 JP48048673A external-priority patent/JPS50835A/ja
Priority claimed from JP48073200A external-priority patent/JPS5023226A/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of FR2227550A1 publication Critical patent/FR2227550A1/fr
Application granted granted Critical
Publication of FR2227550B1 publication Critical patent/FR2227550B1/fr
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
    • G03B7/085—Analogue circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
FR7414607A 1973-04-28 1974-04-26 Expired FR2227550B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP48048673A JPS50835A (en) 1973-04-28 1973-04-28
JP48073200A JPS5023226A (en) 1973-06-28 1973-06-28

Publications (2)

Publication Number Publication Date
FR2227550A1 FR2227550A1 (en) 1974-11-22
FR2227550B1 true FR2227550B1 (en) 1977-03-04

Family

ID=26388977

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7414607A Expired FR2227550B1 (en) 1973-04-28 1974-04-26

Country Status (2)

Country Link
DE (1) DE2420429A1 (en)
FR (1) FR2227550B1 (en)

Also Published As

Publication number Publication date
FR2227550A1 (en) 1974-11-22
DE2420429A1 (en) 1974-11-14

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