JPS5021727A - - Google Patents

Info

Publication number
JPS5021727A
JPS5021727A JP48070465A JP7046573A JPS5021727A JP S5021727 A JPS5021727 A JP S5021727A JP 48070465 A JP48070465 A JP 48070465A JP 7046573 A JP7046573 A JP 7046573A JP S5021727 A JPS5021727 A JP S5021727A
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.)
Granted
Application number
JP48070465A
Other versions
JPS581403B2 (ja
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 JP48070465A priority Critical patent/JPS581403B2/ja
Priority to DE2429945A priority patent/DE2429945A1/de
Priority to US05/481,811 priority patent/US3936842A/en
Publication of JPS5021727A publication Critical patent/JPS5021727A/ja
Publication of JPS581403B2 publication Critical patent/JPS581403B2/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)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
JP48070465A 1973-06-23 1973-06-23 光起電力素子を用いた自動露出時間制御回路 Expired JPS581403B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP48070465A JPS581403B2 (ja) 1973-06-23 1973-06-23 光起電力素子を用いた自動露出時間制御回路
DE2429945A DE2429945A1 (de) 1973-06-23 1974-06-21 Automatische belichtungszeitsteuervorrichtung fuer eine kamera
US05/481,811 US3936842A (en) 1973-06-23 1974-06-21 Automatic exposure time control circuitry for a camera using a photodiode as a light measuring element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48070465A JPS581403B2 (ja) 1973-06-23 1973-06-23 光起電力素子を用いた自動露出時間制御回路

Publications (2)

Publication Number Publication Date
JPS5021727A true JPS5021727A (ja) 1975-03-07
JPS581403B2 JPS581403B2 (ja) 1983-01-11

Family

ID=13432284

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48070465A Expired JPS581403B2 (ja) 1973-06-23 1973-06-23 光起電力素子を用いた自動露出時間制御回路

Country Status (3)

Country Link
US (1) US3936842A (ja)
JP (1) JPS581403B2 (ja)
DE (1) DE2429945A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5461927A (en) * 1977-10-27 1979-05-18 Yashica Co Ltd Temperature compensating circuit and information voltage generator for generating temperature compensated voltage

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037234A (en) * 1973-04-28 1977-07-19 Canon Kabushiki Kaisha Exposure control system stabilized against temperature variation
US4015276A (en) * 1973-09-13 1977-03-29 Yashica Co., Ltd. Electric shutter operating circuits for use in photographic cameras
US4072962A (en) * 1975-07-03 1978-02-07 Nippon Kogaku K.K. Metering device
JPS5218312A (en) * 1975-08-02 1977-02-10 Minolta Camera Co Ltd Display circuit for the camera
US4206998A (en) * 1975-10-17 1980-06-10 Fuji Photo Film Co., Ltd. Exposure control method for an automatic color printer with slope control
DE2756137C3 (de) * 1977-12-16 1980-07-17 Fa. Carl Zeiss, 7920 Heidenheim Anordnung zur Belichtungssteuerung für die Mikrophotographie

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2117532A1 (de) * 1970-04-14 1971-10-28 Nippon Kogaku K.K. , Tokio Elektronische Verschlußeinrichtung
DE2253636A1 (de) * 1971-11-11 1973-05-17 Minolta Camera Kk Temperaturabhaengige stromversorgung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5025336B1 (ja) * 1967-11-28 1975-08-22
US3625124A (en) * 1968-07-03 1971-12-07 Asahi Optical Co Ltd Shutter timing mechanism using inverse feedback circuit
US3852774A (en) * 1970-01-16 1974-12-03 Canon Kk Electric shutter for single lens reflex camera
DE2147350C3 (de) * 1970-09-30 1974-05-22 Nippon Kogaku K.K., Tokio Schaltung zur automatischen Steuerung der Belichtungszeit
GB1376080A (en) * 1971-02-27 1974-12-04 Asahi Optical Co Ltd Exposure-determing device for a camera
JPS5038331B1 (ja) * 1971-03-03 1975-12-09
GB1417990A (en) * 1971-11-24 1975-12-17 Matsushita Electric Ind Co Ltd Explosure control system
US3827066A (en) * 1973-06-05 1974-07-30 Canon Kk Memory type exposure control system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2117532A1 (de) * 1970-04-14 1971-10-28 Nippon Kogaku K.K. , Tokio Elektronische Verschlußeinrichtung
DE2253636A1 (de) * 1971-11-11 1973-05-17 Minolta Camera Kk Temperaturabhaengige stromversorgung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5461927A (en) * 1977-10-27 1979-05-18 Yashica Co Ltd Temperature compensating circuit and information voltage generator for generating temperature compensated voltage
JPS6345088B2 (ja) * 1977-10-27 1988-09-08 Kyosera Kk

Also Published As

Publication number Publication date
US3936842A (en) 1976-02-03
DE2429945A1 (de) 1975-01-16
JPS581403B2 (ja) 1983-01-11

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