JPS57118479A - Automatic focusing device - Google Patents

Automatic focusing device

Info

Publication number
JPS57118479A
JPS57118479A JP56125839A JP12583981A JPS57118479A JP S57118479 A JPS57118479 A JP S57118479A JP 56125839 A JP56125839 A JP 56125839A JP 12583981 A JP12583981 A JP 12583981A JP S57118479 A JPS57118479 A JP S57118479A
Authority
JP
Japan
Prior art keywords
automatic focusing
focusing device
automatic
focusing
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.)
Pending
Application number
JP56125839A
Other languages
English (en)
Inventor
Etsuchi Guriisuheiba Kaaru
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.)
Ampex Corp
Original Assignee
Ampex Corp
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 Ampex Corp filed Critical Ampex Corp
Publication of JPS57118479A publication Critical patent/JPS57118479A/ja
Pending 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
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Automatic Focus Adjustment (AREA)
JP56125839A 1980-08-11 1981-08-11 Automatic focusing device Pending JPS57118479A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/176,737 US4325082A (en) 1980-08-11 1980-08-11 Digital measurement system for automatically focusing a television camera

Publications (1)

Publication Number Publication Date
JPS57118479A true JPS57118479A (en) 1982-07-23

Family

ID=22645634

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56125839A Pending JPS57118479A (en) 1980-08-11 1981-08-11 Automatic focusing device

Country Status (10)

Country Link
US (1) US4325082A (ja)
JP (1) JPS57118479A (ja)
BE (1) BE889918A (ja)
CA (1) CA1165432A (ja)
DE (1) DE3131749C2 (ja)
FR (1) FR2488470A1 (ja)
GB (1) GB2082878B (ja)
HK (1) HK50589A (ja)
IT (1) IT1144506B (ja)
NL (1) NL8103754A (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57193185A (en) * 1981-05-25 1982-11-27 Toshiba Corp Automatic focus controlling circuit for electron beam of image pickup tube
GB2126855B (en) * 1982-09-09 1986-04-23 Link Electronics Ltd Focus correction
GB2132057B (en) * 1982-09-09 1986-04-23 Link Electronics Ltd Electro-optical image correction
DE3467080D1 (en) * 1984-02-22 1987-12-03 Ibm Deutschland Control device circuit arrangement for focusing a lens system
US4584704A (en) * 1984-03-01 1986-04-22 Bran Ferren Spatial imaging system
FR2580088B1 (ja) * 1985-04-05 1987-05-15 Trt Telecom Radio Electr
US7193196B2 (en) * 2003-10-29 2007-03-20 Lockheed Martin Corporation Methods and systems for evaluating optical systems

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51105724A (ja) * 1975-03-14 1976-09-18 Yokogawa Electric Works Ltd

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2647952A (en) * 1945-08-02 1953-08-04 Us Navy High power transmit-receive box
US3356792A (en) * 1964-06-02 1967-12-05 Hazeltine Research Inc Automatic electron beam focusing system
US3409799A (en) * 1966-08-29 1968-11-05 Ibm Automatic focusing system for beam devices
US3967056A (en) * 1973-02-26 1976-06-29 Minolta Camera Kabushiki Kaisha Automatic focusing apparatus
JPS5835435B2 (ja) * 1978-03-21 1983-08-02 ア−ルシ−エ− コ−ポレ−ション カラ−テレビジヨン・カメラ用集束装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51105724A (ja) * 1975-03-14 1976-09-18 Yokogawa Electric Works Ltd

Also Published As

Publication number Publication date
GB2082878A (en) 1982-03-10
IT1144506B (it) 1986-10-29
CA1165432A (en) 1984-04-10
FR2488470A1 (fr) 1982-02-12
US4325082A (en) 1982-04-13
DE3131749C2 (de) 1983-03-31
IT8149077A0 (it) 1981-08-10
FR2488470B1 (ja) 1985-03-22
BE889918A (fr) 1981-12-01
DE3131749A1 (de) 1982-03-11
GB2082878B (en) 1984-07-25
NL8103754A (nl) 1982-03-01
HK50589A (en) 1989-06-30

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