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
France
Prior art keywords
similar devices
television cameras
cameras
television
similar
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
Priority claimed from GB23737/62A external-priority patent/GB974441A/en
Application filed by Marconi Instruments Ltd filed Critical Marconi Instruments Ltd
Priority to FR938453A priority Critical patent/FR1374375A/en
Application granted granted Critical
Publication of FR1374375A publication Critical patent/FR1374375A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/40—Circuit details for pick-up tubes
    • H04N23/41—Beam current control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/72—Combination of two or more compensation controls
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/76—Circuitry for compensating brightness variation in the scene by influencing the image signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
FR938453A 1962-06-20 1963-06-18 Improvements to television cameras and similar devices Expired FR1374375A (en)

Priority Applications (1)

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

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB23737/62A 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

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

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