GB2124447B - Ion burn protection in low-light television cameras - Google Patents

Ion burn protection in low-light television cameras

Info

Publication number
GB2124447B
GB2124447B GB08220790A GB8220790A GB2124447B GB 2124447 B GB2124447 B GB 2124447B GB 08220790 A GB08220790 A GB 08220790A GB 8220790 A GB8220790 A GB 8220790A GB 2124447 B GB2124447 B GB 2124447B
Authority
GB
United Kingdom
Prior art keywords
low
television cameras
burn protection
light television
ion burn
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
GB08220790A
Other versions
GB2124447A (en
Inventor
Roy Collins March
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.)
Allard Way Holdings Ltd
Original Assignee
Marconi Avionics 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
Application filed by Marconi Avionics Ltd filed Critical Marconi Avionics Ltd
Priority to GB08220790A priority Critical patent/GB2124447B/en
Publication of GB2124447A publication Critical patent/GB2124447A/en
Application granted granted Critical
Publication of GB2124447B publication Critical patent/GB2124447B/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
    • 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
    • H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
GB08220790A 1982-07-17 1982-07-17 Ion burn protection in low-light television cameras Expired GB2124447B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08220790A GB2124447B (en) 1982-07-17 1982-07-17 Ion burn protection in low-light television cameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08220790A GB2124447B (en) 1982-07-17 1982-07-17 Ion burn protection in low-light television cameras

Publications (2)

Publication Number Publication Date
GB2124447A GB2124447A (en) 1984-02-15
GB2124447B true GB2124447B (en) 1985-11-13

Family

ID=10531752

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08220790A Expired GB2124447B (en) 1982-07-17 1982-07-17 Ion burn protection in low-light television cameras

Country Status (1)

Country Link
GB (1) GB2124447B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112067131A (en) * 2019-06-11 2020-12-11 杭州海康微影传感科技有限公司 Thermal imaging camera burn treatment method and device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112067131A (en) * 2019-06-11 2020-12-11 杭州海康微影传感科技有限公司 Thermal imaging camera burn treatment method and device
WO2020248761A1 (en) * 2019-06-11 2020-12-17 杭州海康微影传感科技有限公司 Method and apparatus for preventing heat damage to thermal imaging camera
CN112067131B (en) * 2019-06-11 2022-02-15 杭州海康微影传感科技有限公司 Thermal imaging camera burn treatment method and device

Also Published As

Publication number Publication date
GB2124447A (en) 1984-02-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee
7732 Case decided by the comptroller ** patent revoked (sect. 73(2)/1977)