FR2282654A1 - Circuit de commande automatique du diaphragme d'un appareil de prises de vues photographiques - Google Patents

Circuit de commande automatique du diaphragme d'un appareil de prises de vues photographiques

Info

Publication number
FR2282654A1
FR2282654A1 FR7525684A FR7525684A FR2282654A1 FR 2282654 A1 FR2282654 A1 FR 2282654A1 FR 7525684 A FR7525684 A FR 7525684A FR 7525684 A FR7525684 A FR 7525684A FR 2282654 A1 FR2282654 A1 FR 2282654A1
Authority
FR
France
Prior art keywords
control circuit
shooting device
diaphragm control
automatic diaphragm
photographic shooting
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.)
Granted
Application number
FR7525684A
Other languages
English (en)
Other versions
FR2282654B3 (fr
Inventor
Takayoshi Sato
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.)
SATO KENKYUSHO YK
Sato Kenkyusho KK
Original Assignee
SATO KENKYUSHO YK
Sato Kenkyusho KK
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 JP9424174A external-priority patent/JPS5122436A/ja
Priority claimed from JP9424074A external-priority patent/JPS5122435A/ja
Application filed by SATO KENKYUSHO YK, Sato Kenkyusho KK filed Critical SATO KENKYUSHO YK
Publication of FR2282654A1 publication Critical patent/FR2282654A1/fr
Application granted granted Critical
Publication of FR2282654B3 publication Critical patent/FR2282654B3/fr
Granted 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
FR7525684A 1974-08-19 1975-08-19 Circuit de commande automatique du diaphragme d'un appareil de prises de vues photographiques Granted FR2282654A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9424174A JPS5122436A (en) 1974-08-19 1974-08-19 Kameratono shiboriseigyokairo
JP9424074A JPS5122435A (en) 1974-08-19 1974-08-19 Kameratono shiboriseigyokairo

Publications (2)

Publication Number Publication Date
FR2282654A1 true FR2282654A1 (fr) 1976-03-19
FR2282654B3 FR2282654B3 (fr) 1978-04-07

Family

ID=26435509

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7525684A Granted FR2282654A1 (fr) 1974-08-19 1975-08-19 Circuit de commande automatique du diaphragme d'un appareil de prises de vues photographiques

Country Status (5)

Country Link
US (1) US4010480A (fr)
CH (1) CH607081A5 (fr)
DE (1) DE2536916B2 (fr)
FR (1) FR2282654A1 (fr)
GB (1) GB1519195A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4134653A (en) * 1976-05-14 1979-01-16 Copal Company Limited Servoamplifier in an automatic diaphragm controlling device of a camera
JPS5529814A (en) * 1978-08-22 1980-03-03 Olympus Optical Co Ltd Programmed ee camera
US4330870A (en) * 1980-09-05 1982-05-18 Datapoint Corporation Optical data link

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747487A (en) * 1969-04-17 1973-07-24 Canon Kk An exposure control system for a photographic system
US3611894A (en) * 1969-04-22 1971-10-12 Bell & Howell Co Automatic exposure control system
US3704656A (en) * 1970-04-14 1972-12-05 Canon Kk Exposure detector device and a camera system with the exposure detector device
US3818494A (en) * 1971-07-08 1974-06-18 Canon Kk Exposure control device
JPS5147356B2 (fr) * 1971-09-02 1976-12-14
JPS5112107Y2 (fr) * 1971-09-02 1976-04-01
JPS5116291Y2 (fr) * 1971-11-30 1976-04-28
JPS5724528B2 (fr) * 1972-05-22 1982-05-25

Also Published As

Publication number Publication date
CH607081A5 (fr) 1978-11-30
DE2536916C3 (fr) 1979-05-10
GB1519195A (en) 1978-07-26
FR2282654B3 (fr) 1978-04-07
DE2536916A1 (de) 1976-03-04
DE2536916B2 (de) 1978-09-14
US4010480A (en) 1977-03-01

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