FR1374375A - Improvements to television cameras and similar devices - Google Patents

Improvements to television cameras and similar devices

Info

Publication number
FR1374375A
FR1374375A FR938453A FR938453A FR1374375A FR 1374375 A FR1374375 A FR 1374375A FR 938453 A FR938453 A FR 938453A FR 938453 A FR938453 A FR 938453A FR 1374375 A FR1374375 A FR 1374375A
Authority
FR
Grant status
Grant
Patent type
Prior art keywords
improvements
similar devices
television cameras
cameras
television
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.)
Expired
Application number
FR938453A
Other languages
French (fr)
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.)
MARCONI INSTRUMENTS Ltd
Original Assignee
MARCONI INSTRUMENTS Ltd
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
Grant 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, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/228Circuit details for pick-up tubes
    • H04N5/2283Beam current control
    • 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, video cameras, camcorders, webcams, camera modules for embedding 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
    • H04N5/2352Combination of two or more compensation controls
    • 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, video cameras, camcorders, webcams, camera modules for embedding 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
    • H04N5/243Circuitry 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 picture signal, e.g. signal amplitude gain control
FR938453A 1962-06-20 1963-06-18 Improvements to television cameras and similar devices Expired FR1374375A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2373762A GB974441A (en) 1962-06-20 1962-06-20 Improvements in or relating to television cameras and the like
FR938453A FR1374375A (en) 1962-06-20 1963-06-18 Improvements to television cameras and similar devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR938453A FR1374375A (en) 1962-06-20 1963-06-18 Improvements to television cameras and similar devices

Publications (1)

Publication Number Publication Date
FR1374375A true FR1374375A (en) 1964-10-09

Family

ID=26201909

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938453A Expired FR1374375A (en) 1962-06-20 1963-06-18 Improvements to television cameras and similar devices

Country Status (1)

Country Link
FR (1) FR1374375A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2373932A1 (en) * 1976-12-13 1978-07-07 Rca Corp Beam control circuit for camera tube - has beam equilibrium current increased when high illumination appears, increasing rate of target recharging
DE2026676C1 (en) * 1969-06-04 1992-09-24 Hughes Aircraft Co., Los Angeles, Calif., Us

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2026676C1 (en) * 1969-06-04 1992-09-24 Hughes Aircraft Co., Los Angeles, Calif., Us
FR2373932A1 (en) * 1976-12-13 1978-07-07 Rca Corp Beam control circuit for camera tube - has beam equilibrium current increased when high illumination appears, increasing rate of target recharging

Similar Documents

Publication Publication Date Title
FR1320926A (en) Improvement made to packaging and its applications
FR1380784A (en) Improvements to absorbing devices
FR1320820A (en) Improvements in injection devices
FR1342949A (en) Improvements to off apparatus, and the like pass son
FR1339485A (en) Improvements to piles
FR1376235A (en) Improvements to similar shocks and dampers
FR1362321A (en) Improvement to retractable covering devices
FR1339828A (en) Improvements to cartons
FR1326538A (en) Enhancements to dashboards
FR1316838A (en) Improvement to molds
FR1336185A (en) Improvements to shock
FR1330208A (en) Improvements in discharge devices
FR1347877A (en) Improvements to elastic bearings
FR1333207A (en) Improvements to latches
FR1333861A (en) Improvements to projectiles
FR1326139A (en) Improvements to clutches
FR1334539A (en) Improvements to molding devices of concrete
FR1321580A (en) Improvements to rotary sprinklers
FR1323319A (en) Improvement made to ball joints
DE1241869B (en) Circuit arrangement for improving the detail recognition of a television picture
FR1322618A (en) Improvements to filter presses
FR1357673A (en) Improvements to said safety devices and the like elevators-lowerators
FR1328806A (en) Improvements to devices for deploying posters and similar
FR1375269A (en) Improvements to shock
FR1319772A (en) Improvements to slotted angle