JPS6097783A - ビデオカメラの自動焦点調整装置 - Google Patents

ビデオカメラの自動焦点調整装置

Info

Publication number
JPS6097783A
JPS6097783A JP58205606A JP20560683A JPS6097783A JP S6097783 A JPS6097783 A JP S6097783A JP 58205606 A JP58205606 A JP 58205606A JP 20560683 A JP20560683 A JP 20560683A JP S6097783 A JPS6097783 A JP S6097783A
Authority
JP
Japan
Prior art keywords
circuit
signal
video signal
video
absolute value
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
JP58205606A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0562504B2 (enExample
Inventor
Makoto Takahashi
高橋 孚
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.)
Kyocera Corp
Original Assignee
Kyocera 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 Kyocera Corp filed Critical Kyocera Corp
Priority to JP58205606A priority Critical patent/JPS6097783A/ja
Publication of JPS6097783A publication Critical patent/JPS6097783A/ja
Publication of JPH0562504B2 publication Critical patent/JPH0562504B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/67Focus control based on electronic image sensor signals
    • H04N23/673Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Automatic Focus Adjustment (AREA)
JP58205606A 1983-11-01 1983-11-01 ビデオカメラの自動焦点調整装置 Granted JPS6097783A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58205606A JPS6097783A (ja) 1983-11-01 1983-11-01 ビデオカメラの自動焦点調整装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58205606A JPS6097783A (ja) 1983-11-01 1983-11-01 ビデオカメラの自動焦点調整装置

Publications (2)

Publication Number Publication Date
JPS6097783A true JPS6097783A (ja) 1985-05-31
JPH0562504B2 JPH0562504B2 (enExample) 1993-09-08

Family

ID=16509645

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58205606A Granted JPS6097783A (ja) 1983-11-01 1983-11-01 ビデオカメラの自動焦点調整装置

Country Status (1)

Country Link
JP (1) JPS6097783A (enExample)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5397826A (en) * 1977-02-07 1978-08-26 Ricoh Co Ltd Focal point detecting system
JPS58169109A (ja) * 1982-03-31 1983-10-05 Hitachi Ltd オ−トフオ−カス装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5397826A (en) * 1977-02-07 1978-08-26 Ricoh Co Ltd Focal point detecting system
JPS58169109A (ja) * 1982-03-31 1983-10-05 Hitachi Ltd オ−トフオ−カス装置

Also Published As

Publication number Publication date
JPH0562504B2 (enExample) 1993-09-08

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