GB2277656A - Control of Television Camera Sensitivity - Google Patents

Control of Television Camera Sensitivity Download PDF

Info

Publication number
GB2277656A
GB2277656A GB9406293A GB9406293A GB2277656A GB 2277656 A GB2277656 A GB 2277656A GB 9406293 A GB9406293 A GB 9406293A GB 9406293 A GB9406293 A GB 9406293A GB 2277656 A GB2277656 A GB 2277656A
Authority
GB
United Kingdom
Prior art keywords
sensitivity
image pickup
pickup tube
iris
intensity
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.)
Withdrawn
Application number
GB9406293A
Other languages
English (en)
Other versions
GB9406293D0 (enrdf_load_stackoverflow
Inventor
Yasuo Yoshimura
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.)
HITACHI ELECTRONICS
Kokusai Denki Electric Inc
Original Assignee
HITACHI ELECTRONICS
Hitachi Denshi KK
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 HITACHI ELECTRONICS, Hitachi Denshi KK filed Critical HITACHI ELECTRONICS
Publication of GB9406293D0 publication Critical patent/GB9406293D0/en
Publication of GB2277656A publication Critical patent/GB2277656A/en
Withdrawn legal-status Critical Current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
    • H04N23/72—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)
  • Studio Devices (AREA)
GB9406293A 1993-03-31 1994-03-30 Control of Television Camera Sensitivity Withdrawn GB2277656A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5073963A JPH077658A (ja) 1993-03-31 1993-03-31 テレビジョンカメラ装置

Publications (2)

Publication Number Publication Date
GB9406293D0 GB9406293D0 (enrdf_load_stackoverflow) 1994-05-25
GB2277656A true GB2277656A (en) 1994-11-02

Family

ID=13533245

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9406293A Withdrawn GB2277656A (en) 1993-03-31 1994-03-30 Control of Television Camera Sensitivity

Country Status (2)

Country Link
JP (1) JPH077658A (enrdf_load_stackoverflow)
GB (1) GB2277656A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0871329A3 (en) * 1997-03-14 1999-04-28 Matsushita Electric Industrial Co., Ltd. An imaging apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006086791A (ja) * 2004-09-16 2006-03-30 Sanyo Electric Co Ltd 固体撮像装置、固体撮像素子の制御回路及び制御方法
JP6109257B2 (ja) 2015-07-21 2017-04-05 三菱電機株式会社 駆動装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013833A (en) * 1975-08-14 1977-03-22 Samuel Morton Zimmerman Video system and method for presentation and reproduction of x-ray film images
EP0446647A2 (en) * 1990-02-15 1991-09-18 Sony Corporation Digital color video camera with auto-focus, auto-exposure and auto-white balance, and an auto-exposure system therefor which compensates for abnormal lighting

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013833A (en) * 1975-08-14 1977-03-22 Samuel Morton Zimmerman Video system and method for presentation and reproduction of x-ray film images
EP0446647A2 (en) * 1990-02-15 1991-09-18 Sony Corporation Digital color video camera with auto-focus, auto-exposure and auto-white balance, and an auto-exposure system therefor which compensates for abnormal lighting

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0871329A3 (en) * 1997-03-14 1999-04-28 Matsushita Electric Industrial Co., Ltd. An imaging apparatus
US6104433A (en) * 1997-03-14 2000-08-15 Matsushita Electric Industrial Co., Ltd. Imaging apparatus
US6201575B1 (en) 1997-03-14 2001-03-13 Toshiyuki Sano Imaging apparatus
CN1118186C (zh) * 1997-03-14 2003-08-13 松下电器产业株式会社 成象设备

Also Published As

Publication number Publication date
JPH077658A (ja) 1995-01-10
GB9406293D0 (enrdf_load_stackoverflow) 1994-05-25

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)