JPS4840090B1 - - Google Patents

Info

Publication number
JPS4840090B1
JPS4840090B1 JP2859970A JP2859970A JPS4840090B1 JP S4840090 B1 JPS4840090 B1 JP S4840090B1 JP 2859970 A JP2859970 A JP 2859970A JP 2859970 A JP2859970 A JP 2859970A JP S4840090 B1 JPS4840090 B1 JP S4840090B1
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.)
Pending
Application number
JP2859970A
Other languages
Japanese (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 JP2859970A priority Critical patent/JPS4840090B1/ja
Priority to DE19712116527 priority patent/DE2116527A1/de
Priority to DE19712116498 priority patent/DE2116498C3/de
Priority to US05/315,211 priority patent/US3931628A/en
Publication of JPS4840090B1 publication Critical patent/JPS4840090B1/ja
Priority to US05/586,704 priority patent/US4040068A/en
Pending 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
    • G03B19/00—Cameras
    • G03B19/02—Still-picture cameras
    • G03B19/12—Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror
    • 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
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
    • G03B7/09976—Through the lens [TTL] measuring in mirror-reflex cameras the sensor being mounted in, before, or behind the porro-prism

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)
  • Shutter-Related Mechanisms (AREA)
  • Shutters For Cameras (AREA)
JP2859970A 1970-04-06 1970-04-06 Pending JPS4840090B1 (xx)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2859970A JPS4840090B1 (xx) 1970-04-06 1970-04-06
DE19712116527 DE2116527A1 (de) 1970-04-06 1971-04-05 Vorrichtung zur Steuerung der Belichtungszeit bei einem elektrischen Verschluß in einer die Objekthelligkeit über das optische System messenden einäugigen Spiegelreflexkamera
DE19712116498 DE2116498C3 (de) 1970-04-06 1971-04-05 Schaltung zur Steuerung der Belichtzeit bei einer einäugigen Reflexkamera mit Lichtmessung durch das Objektiv
US05/315,211 US3931628A (en) 1970-04-06 1972-12-14 Exposure time control device for an electric shutter in a single reflex camera with through the lens measuring system
US05/586,704 US4040068A (en) 1970-04-06 1975-06-13 Exposure time control device for an electric shutter in a single reflex camera with through the lens measuring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2859970A JPS4840090B1 (xx) 1970-04-06 1970-04-06

Publications (1)

Publication Number Publication Date
JPS4840090B1 true JPS4840090B1 (xx) 1973-11-28

Family

ID=12253040

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2859970A Pending JPS4840090B1 (xx) 1970-04-06 1970-04-06

Country Status (2)

Country Link
JP (1) JPS4840090B1 (xx)
DE (1) DE2116527A1 (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6130985U (ja) * 1984-07-28 1986-02-25 安藤電気株式会社 圧着スリ−ブと同軸コネクタの構造

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1809900A1 (de) * 1967-11-28 1969-07-24 Asahi Optical Co Ltd Verschlusseinrichtung mit automatischer Belichtungszeitsteuerung fuer einaeugige Reflexkamera mit Lichtmessung durch das Objektiv

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1809900A1 (de) * 1967-11-28 1969-07-24 Asahi Optical Co Ltd Verschlusseinrichtung mit automatischer Belichtungszeitsteuerung fuer einaeugige Reflexkamera mit Lichtmessung durch das Objektiv

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6130985U (ja) * 1984-07-28 1986-02-25 安藤電気株式会社 圧着スリ−ブと同軸コネクタの構造

Also Published As

Publication number Publication date
DE2116498A1 (de) 1971-10-28
DE2116527A1 (de) 1971-10-28
DE2116498B2 (de) 1976-02-05

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