JPS5656073A - Automatic focusing device of video camera - Google Patents

Automatic focusing device of video camera

Info

Publication number
JPS5656073A
JPS5656073A JP13082079A JP13082079A JPS5656073A JP S5656073 A JPS5656073 A JP S5656073A JP 13082079 A JP13082079 A JP 13082079A JP 13082079 A JP13082079 A JP 13082079A JP S5656073 A JPS5656073 A JP S5656073A
Authority
JP
Japan
Prior art keywords
voltage
pulse
multivibrators
signal
output 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.)
Granted
Application number
JP13082079A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6240908B2 (enrdf_load_stackoverflow
Inventor
Kentaro Hanma
Kaoru Yanagawa
Michio Ogimoto
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 JP13082079A priority Critical patent/JPS5656073A/ja
Publication of JPS5656073A publication Critical patent/JPS5656073A/ja
Publication of JPS6240908B2 publication Critical patent/JPS6240908B2/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)
JP13082079A 1979-10-12 1979-10-12 Automatic focusing device of video camera Granted JPS5656073A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13082079A JPS5656073A (en) 1979-10-12 1979-10-12 Automatic focusing device of video camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13082079A JPS5656073A (en) 1979-10-12 1979-10-12 Automatic focusing device of video camera

Publications (2)

Publication Number Publication Date
JPS5656073A true JPS5656073A (en) 1981-05-16
JPS6240908B2 JPS6240908B2 (enrdf_load_stackoverflow) 1987-08-31

Family

ID=15043470

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13082079A Granted JPS5656073A (en) 1979-10-12 1979-10-12 Automatic focusing device of video camera

Country Status (1)

Country Link
JP (1) JPS5656073A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60220666A (ja) * 1984-04-18 1985-11-05 Canon Inc 撮像装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60220666A (ja) * 1984-04-18 1985-11-05 Canon Inc 撮像装置

Also Published As

Publication number Publication date
JPS6240908B2 (enrdf_load_stackoverflow) 1987-08-31

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