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GB2186461B - Improvements in or relating to television cameras - Google Patents

Improvements in or relating to television cameras

Info

Publication number
GB2186461B
GB2186461B GB8603143A GB8603143A GB2186461B GB 2186461 B GB2186461 B GB 2186461B GB 8603143 A GB8603143 A GB 8603143A GB 8603143 A GB8603143 A GB 8603143A GB 2186461 B GB2186461 B GB 2186461B
Authority
GB
United Kingdom
Prior art keywords
relating
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
GB8603143A
Other versions
GB8603143D0 (en
GB2186461A (en
Inventor
Allan Sydney Pye
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
GEC 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 GEC Avionics Ltd filed Critical GEC Avionics Ltd
Priority to GB8603143A priority Critical patent/GB2186461B/en
Publication of GB8603143D0 publication Critical patent/GB8603143D0/en
Publication of GB2186461A publication Critical patent/GB2186461A/en
Application granted granted Critical
Publication of GB2186461B publication Critical patent/GB2186461B/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
    • H04N23/70—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)
  • Studio Devices (AREA)
  • Closed-Circuit Television Systems (AREA)
GB8603143A 1986-02-08 1986-02-08 Improvements in or relating to television cameras Expired GB2186461B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8603143A GB2186461B (en) 1986-02-08 1986-02-08 Improvements in or relating to television cameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8603143A GB2186461B (en) 1986-02-08 1986-02-08 Improvements in or relating to television cameras

Publications (3)

Publication Number Publication Date
GB8603143D0 GB8603143D0 (en) 1986-03-12
GB2186461A GB2186461A (en) 1987-08-12
GB2186461B true GB2186461B (en) 1989-11-01

Family

ID=10592736

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8603143A Expired GB2186461B (en) 1986-02-08 1986-02-08 Improvements in or relating to television cameras

Country Status (1)

Country Link
GB (1) GB2186461B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2354898B (en) * 1999-07-07 2003-07-23 Pearpoint Ltd Vehicle licence plate imaging

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1056672A (en) * 1963-03-15 1967-01-25 Voigtlaender Ag Industrial television cameras
US3558819A (en) * 1967-11-07 1971-01-26 Ampex Automatic iris for a television camera
GB1272448A (en) * 1968-11-27 1972-04-26 Gen Electric Improvements in automatic light control system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1056672A (en) * 1963-03-15 1967-01-25 Voigtlaender Ag Industrial television cameras
US3558819A (en) * 1967-11-07 1971-01-26 Ampex Automatic iris for a television camera
GB1272448A (en) * 1968-11-27 1972-04-26 Gen Electric Improvements in automatic light control system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WO A1 81/03385 *

Also Published As

Publication number Publication date
GB8603143D0 (en) 1986-03-12
GB2186461A (en) 1987-08-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee