JPS5347945Y2 - - Google Patents

Info

Publication number
JPS5347945Y2
JPS5347945Y2 JP1974052806U JP5280674U JPS5347945Y2 JP S5347945 Y2 JPS5347945 Y2 JP S5347945Y2 JP 1974052806 U JP1974052806 U JP 1974052806U JP 5280674 U JP5280674 U JP 5280674U JP S5347945 Y2 JPS5347945 Y2 JP S5347945Y2
Authority
JP
Japan
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
JP1974052806U
Other languages
Japanese (ja)
Other versions
JPS50142027U (en:Method
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 filed Critical
Priority to JP1974052806U priority Critical patent/JPS5347945Y2/ja
Priority to US05/574,942 priority patent/US3947855A/en
Priority to DE2520761A priority patent/DE2520761C3/de
Publication of JPS50142027U publication Critical patent/JPS50142027U/ja
Application granted granted Critical
Publication of JPS5347945Y2 publication Critical patent/JPS5347945Y2/ja
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Shutters For Cameras (AREA)
  • Shutter-Related Mechanisms (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
JP1974052806U 1974-05-10 1974-05-10 Expired JPS5347945Y2 (en:Method)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1974052806U JPS5347945Y2 (en:Method) 1974-05-10 1974-05-10
US05/574,942 US3947855A (en) 1974-05-10 1975-05-06 Electric shutter means with battery checking circuit
DE2520761A DE2520761C3 (de) 1974-05-10 1975-05-09 Elektrisch gesteuerter Verschluß

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1974052806U JPS5347945Y2 (en:Method) 1974-05-10 1974-05-10

Publications (2)

Publication Number Publication Date
JPS50142027U JPS50142027U (en:Method) 1975-11-22
JPS5347945Y2 true JPS5347945Y2 (en:Method) 1978-11-16

Family

ID=12925076

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1974052806U Expired JPS5347945Y2 (en:Method) 1974-05-10 1974-05-10

Country Status (3)

Country Link
US (1) US3947855A (en:Method)
JP (1) JPS5347945Y2 (en:Method)
DE (1) DE2520761C3 (en:Method)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5413959Y2 (en:Method) * 1974-06-18 1979-06-12
JPS5524086B2 (en:Method) * 1974-10-29 1980-06-26
JPS51134127A (en) * 1975-05-16 1976-11-20 Asahi Optical Co Ltd Warning circuit for the camera with an electric shutter
JPS5219527A (en) * 1975-08-05 1977-02-14 Canon Inc Energization holding disengagement system for the electromagnetic mech anism
JPS5250722A (en) * 1975-10-21 1977-04-23 Canon Inc Circuit system for preventing erroneous operation of camera
US4126874A (en) * 1975-12-27 1978-11-21 Canon Kabushiki Kaisha Power supply circuit for camera
US4181414A (en) * 1976-03-12 1980-01-01 Canon Kabushiki Kaisha Self developing camera with film feedout control
JPS52123235A (en) * 1976-04-08 1977-10-17 Canon Inc Power source change-over system for electric shutter camera
JPS5335022U (en:Method) * 1976-08-31 1978-03-28
US4143958A (en) * 1976-10-08 1979-03-13 Copal Company Limited Controlling circuit for electric shutters
JPS5381233A (en) * 1976-12-27 1978-07-18 Copal Co Ltd Driving power supply circuit for camera
JPS5421337A (en) * 1977-07-18 1979-02-17 Hitachi Ltd Display method for level check and its circuit
JPS5448935U (en:Method) * 1977-09-13 1979-04-05
JPS56109322A (en) * 1980-02-04 1981-08-29 Canon Inc Camera
JPS578529A (en) * 1980-06-17 1982-01-16 Ricoh Co Ltd Power source device for camera

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646859A (en) * 1970-01-27 1972-03-07 Asahi Optical Co Ltd Camera provided with automatic exposure and battery-checking circuits
US3661062A (en) * 1970-03-20 1972-05-09 Eastman Kodak Co Test circuit for photographic cameras
JPS5113628B2 (en:Method) * 1971-09-13 1976-05-01
JPS4881527A (en:Method) * 1972-02-02 1973-10-31
DE2218704C3 (de) * 1972-04-18 1981-05-07 Agfa-Gevaert Ag, 5090 Leverkusen Vorrichtung zur Anzeige unzureichender Lichtverhältnisse
JPS509421A (en:Method) * 1973-05-22 1975-01-30

Also Published As

Publication number Publication date
DE2520761B2 (de) 1978-03-23
DE2520761C3 (de) 1978-11-23
DE2520761A1 (de) 1975-11-13
JPS50142027U (en:Method) 1975-11-22
US3947855A (en) 1976-03-30

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