JPH0586707B2 - - Google Patents

Info

Publication number
JPH0586707B2
JPH0586707B2 JP58172753A JP17275383A JPH0586707B2 JP H0586707 B2 JPH0586707 B2 JP H0586707B2 JP 58172753 A JP58172753 A JP 58172753A JP 17275383 A JP17275383 A JP 17275383A JP H0586707 B2 JPH0586707 B2 JP H0586707B2
Authority
JP
Japan
Prior art keywords
aperture
voltage
automatic
remote
signal
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 - Lifetime
Application number
JP58172753A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6064581A (ja
Inventor
Masayuki Arai
Terumi Ogasawara
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.)
Pentax Precision Co Ltd
Original Assignee
Asahi Seimitsu 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 Asahi Seimitsu KK filed Critical Asahi Seimitsu KK
Priority to JP58172753A priority Critical patent/JPS6064581A/ja
Priority to US06/651,076 priority patent/US4651216A/en
Publication of JPS6064581A publication Critical patent/JPS6064581A/ja
Publication of JPH0586707B2 publication Critical patent/JPH0586707B2/ja
Granted 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)
  • Exposure Control For Cameras (AREA)
  • Diaphragms For Cameras (AREA)
  • Selective Calling Equipment (AREA)
JP58172753A 1983-09-19 1983-09-19 遠隔制御可能なｃｃｔｖカメラ用レンズの自動絞り制御装置 Granted JPS6064581A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58172753A JPS6064581A (ja) 1983-09-19 1983-09-19 遠隔制御可能なｃｃｔｖカメラ用レンズの自動絞り制御装置
US06/651,076 US4651216A (en) 1983-09-19 1984-09-17 Remoto-controllable automatic diaphragm control device for use with CCTV camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58172753A JPS6064581A (ja) 1983-09-19 1983-09-19 遠隔制御可能なｃｃｔｖカメラ用レンズの自動絞り制御装置

Publications (2)

Publication Number Publication Date
JPS6064581A JPS6064581A (ja) 1985-04-13
JPH0586707B2 true JPH0586707B2 (en]) 1993-12-14

Family

ID=15947681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58172753A Granted JPS6064581A (ja) 1983-09-19 1983-09-19 遠隔制御可能なｃｃｔｖカメラ用レンズの自動絞り制御装置

Country Status (2)

Country Link
US (1) US4651216A (en])
JP (1) JPS6064581A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7787760B2 (en) 2006-03-30 2010-08-31 Fujinon Corporation Lens aperture-adjustment device and closed circuit television camera

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2225687B (en) * 1988-10-04 1993-11-03 Asahi Optical Co Ltd Mode changing device for a still video camera
US5119123A (en) * 1989-03-16 1992-06-02 Minolta Camera Kabushiki Kaisha Camera having a remote control function
JP2619287B2 (ja) * 1989-05-31 1997-06-11 旭精密株式会社 テレビカメラ用レンズの自動絞り制御装置
JPH033573A (ja) * 1989-05-31 1991-01-09 Asahi Seimitsu Kk テレビカメラ用レンズの自動絞り制御装置
JP2746509B2 (ja) * 1992-12-09 1998-05-06 キヤノン電子株式会社 光量制御装置
JP2001159770A (ja) * 1999-12-02 2001-06-12 Asahi Precision Co Ltd Ｃｃｔｖカメラ用レンズの絞り制御装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5947514B2 (ja) * 1975-07-18 1984-11-19 日本放送協会 テレビカメラ等遠隔制御装置
US4190864A (en) * 1978-09-21 1980-02-26 Rca Corporation Remote iris control for television cameras
US4300167A (en) * 1980-02-07 1981-11-10 Circon Corporation Automatic iris control system
JPS6143340Y2 (en]) * 1980-04-10 1986-12-08
JPS5850866A (ja) * 1981-09-22 1983-03-25 Asahi Seimitsu Kk Ｃｃｔｖカメラ用自動絞り制御装置
JPS59108455A (ja) * 1982-12-14 1984-06-22 Asahi Seimitsu Kk Ｃｃｔｖカメラ用自動絞りレンズの自動絞り制御装置
JPS59122084A (ja) * 1982-12-27 1984-07-14 Asahi Seimitsu Kk Ｃｃｔｖカメラ用自動絞りレンズの測光回路
JPS6064580A (ja) * 1983-09-19 1985-04-13 Asahi Seimitsu Kk Ｃｃｔｖカメラ用レンズの自動絞り制御装置
JPS6069967A (ja) * 1983-09-26 1985-04-20 Asahi Seimitsu Kk Ｃｃｔｖカメラ用レンズの自動絞り制御装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7787760B2 (en) 2006-03-30 2010-08-31 Fujinon Corporation Lens aperture-adjustment device and closed circuit television camera

Also Published As

Publication number Publication date
US4651216A (en) 1987-03-17
JPS6064581A (ja) 1985-04-13

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