JPH0534871B2 - - Google Patents

Info

Publication number
JPH0534871B2
JPH0534871B2 JP57009997A JP999782A JPH0534871B2 JP H0534871 B2 JPH0534871 B2 JP H0534871B2 JP 57009997 A JP57009997 A JP 57009997A JP 999782 A JP999782 A JP 999782A JP H0534871 B2 JPH0534871 B2 JP H0534871B2
Authority
JP
Japan
Prior art keywords
signal
circuit
voltage
lens
subject
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
JP57009997A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58129878A (ja
Inventor
Toshio Murakami
Kentaro Hanma
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 Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP57009997A priority Critical patent/JPS58129878A/ja
Priority to US06/460,664 priority patent/US4531158A/en
Priority to GB08301982A priority patent/GB2117539B/en
Priority to DE3302714A priority patent/DE3302714C2/de
Publication of JPS58129878A publication Critical patent/JPS58129878A/ja
Priority to US07/074,938 priority patent/USRE33081E/en
Publication of JPH0534871B2 publication Critical patent/JPH0534871B2/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
    • H04N23/60—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)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP57009997A 1982-01-27 1982-01-27 自動合焦装置 Granted JPS58129878A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP57009997A JPS58129878A (ja) 1982-01-27 1982-01-27 自動合焦装置
US06/460,664 US4531158A (en) 1982-01-27 1983-01-24 Automatic focusing system for video cameras
GB08301982A GB2117539B (en) 1982-01-27 1983-01-25 Automatic focusing system for video cameras
DE3302714A DE3302714C2 (de) 1982-01-27 1983-01-27 Automatisches Fokussierungssystem für eine Videokamera
US07/074,938 USRE33081E (en) 1982-01-27 1987-07-17 Automatic focusing system for video cameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57009997A JPS58129878A (ja) 1982-01-27 1982-01-27 自動合焦装置

Publications (2)

Publication Number Publication Date
JPS58129878A JPS58129878A (ja) 1983-08-03
JPH0534871B2 true JPH0534871B2 (zh) 1993-05-25

Family

ID=11735483

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57009997A Granted JPS58129878A (ja) 1982-01-27 1982-01-27 自動合焦装置

Country Status (1)

Country Link
JP (1) JPS58129878A (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60132473A (ja) * 1983-12-20 1985-07-15 Asahi Optical Co Ltd ビデオカメラのオ−トフオ−カス装置
US4695893A (en) * 1984-02-21 1987-09-22 West Electric Company, Ltd. Automatic focusing apparatus
JP2561239B2 (ja) * 1985-09-19 1996-12-04 キヤノン株式会社 自動焦点調節装置
JP2659964B2 (ja) * 1987-09-02 1997-09-30 キヤノン株式会社 自動合焦装置
JP2517432B2 (ja) * 1990-03-16 1996-07-24 三洋電機株式会社 オ―トフォ―カス装置
JP2691316B2 (ja) * 1990-05-08 1997-12-17 シャープ株式会社 オートフォーカス装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0230486A (ja) * 1988-07-19 1990-01-31 Sankyo Seiki Mfg Co Ltd 産業用ロボット装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0230486A (ja) * 1988-07-19 1990-01-31 Sankyo Seiki Mfg Co Ltd 産業用ロボット装置

Also Published As

Publication number Publication date
JPS58129878A (ja) 1983-08-03

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