JPS5796422U - - Google Patents

Info

Publication number
JPS5796422U
JPS5796422U JP17238080U JP17238080U JPS5796422U JP S5796422 U JPS5796422 U JP S5796422U JP 17238080 U JP17238080 U JP 17238080U JP 17238080 U JP17238080 U JP 17238080U JP S5796422 U JPS5796422 U JP S5796422U
Authority
JP
Grant status
Application
Patent type
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
JP17238080U
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

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/225Television cameras ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, camcorders, webcams, camera modules specially adapted for being embedded in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/235Circuitry or methods for compensating for variation in the brightness of the object, e.g. based on electric image signals provided by an electronic image sensor
    • H04N5/2358Circuitry or methods for compensating for variation in the brightness of the object, e.g. based on electric image signals provided by an electronic image sensor by influencing at least one of the pick-up tube voltages
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B7/00Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08Control 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
    • G03B7/081Analogue circuits
    • G03B7/085Analogue circuits for control of aperture
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/225Television cameras ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, camcorders, webcams, camera modules specially adapted for being embedded in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/235Circuitry or methods for compensating for variation in the brightness of the object, e.g. based on electric image signals provided by an electronic image sensor
    • H04N5/238Circuitry or methods for compensating for variation in the brightness of the object, e.g. based on electric image signals provided by an electronic image sensor by influencing the optical part of the camera, e.g. diaphragm, intensifier, fibre bundle
JP17238080U 1980-12-01 1980-12-01 Pending JPS5796422U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17238080U JPS5796422U (en) 1980-12-01 1980-12-01

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP17238080U JPS5796422U (en) 1980-12-01 1980-12-01
GB8136221A GB2091431B (en) 1980-12-01 1981-12-01 Exposure control system for a photographic or television camera
FR8122505A FR2495419B1 (en) 1980-12-01 1981-12-01 Exposure locking device for camera
DE19813147567 DE3147567C2 (en) 1980-12-01 1981-12-01

Publications (1)

Publication Number Publication Date
JPS5796422U true true JPS5796422U (en) 1982-06-14

Family

ID=15940831

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17238080U Pending JPS5796422U (en) 1980-12-01 1980-12-01

Country Status (4)

Country Link
JP (1) JPS5796422U (en)
DE (1) DE3147567C2 (en)
FR (1) FR2495419B1 (en)
GB (1) GB2091431B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5999880A (en) * 1982-11-29 1984-06-08 Canon Inc Image pickup device

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH038526B2 (en) * 1981-06-03 1991-02-06 Sony Corp
DE3342992C2 (en) * 1982-11-29 1991-04-18 Canon K.K., Tokio/Tokyo, Jp
JP2501782B2 (en) * 1983-09-16 1996-05-29 株式会社ニコン Image scanning apparatus
KR910008286Y1 (en) * 1988-07-12 1991-10-15 강진구 Auto-exposure control circuit of video camera

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3324779A (en) * 1964-05-26 1967-06-13 Asahi Optical Co Ltd Photoelectric time control shutter circuit for photographic camera
DE1230845C2 (en) * 1964-11-20 1973-07-12
US3555181A (en) * 1968-06-05 1971-01-12 Bell Telephone Labor Inc Automatic video level control employing iris and amplifier gain adjustments
US3651255A (en) * 1969-02-22 1972-03-21 Sony Corp Automatic gain control system for television cameras
NL7701811A (en) * 1977-02-21 1978-08-23 Philips Nv A television camera provided with a diaphragm arrangement, and a controllable gain circuit beeldsignaalver-.
JPH0221192B2 (en) * 1980-01-23 1990-05-14 Nippon Electric Co

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5999880A (en) * 1982-11-29 1984-06-08 Canon Inc Image pickup device

Also Published As

Publication number Publication date Type
GB2091431A (en) 1982-07-28 application
FR2495419B1 (en) 1986-06-13 grant
GB2091431B (en) 1984-06-20 grant
FR2495419A1 (en) 1982-06-04 application
DE3147567A1 (en) 1982-06-03 application
DE3147567C2 (en) 1985-01-10 grant

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