JPS5892173A - 焦点検出装置 - Google Patents

焦点検出装置

Info

Publication number
JPS5892173A
JPS5892173A JP56190110A JP19011081A JPS5892173A JP S5892173 A JPS5892173 A JP S5892173A JP 56190110 A JP56190110 A JP 56190110A JP 19011081 A JP19011081 A JP 19011081A JP S5892173 A JPS5892173 A JP S5892173A
Authority
JP
Japan
Prior art keywords
signal
level
frequency
pulse
focus
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
JP56190110A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0378831B2 (enrdf_load_stackoverflow
Inventor
Kenji Kimura
健次 木村
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.)
Olympus Corp
Original Assignee
Olympus Corp
Olympus Optical Co 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 Olympus Corp, Olympus Optical Co Ltd filed Critical Olympus Corp
Priority to JP56190110A priority Critical patent/JPS5892173A/ja
Publication of JPS5892173A publication Critical patent/JPS5892173A/ja
Publication of JPH0378831B2 publication Critical patent/JPH0378831B2/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)
JP56190110A 1981-11-27 1981-11-27 焦点検出装置 Granted JPS5892173A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56190110A JPS5892173A (ja) 1981-11-27 1981-11-27 焦点検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56190110A JPS5892173A (ja) 1981-11-27 1981-11-27 焦点検出装置

Publications (2)

Publication Number Publication Date
JPS5892173A true JPS5892173A (ja) 1983-06-01
JPH0378831B2 JPH0378831B2 (enrdf_load_stackoverflow) 1991-12-16

Family

ID=16252538

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56190110A Granted JPS5892173A (ja) 1981-11-27 1981-11-27 焦点検出装置

Country Status (1)

Country Link
JP (1) JPS5892173A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0378831B2 (enrdf_load_stackoverflow) 1991-12-16

Similar Documents

Publication Publication Date Title
DE1926841C3 (de) Vorrichtung zur Erfassung von Inhaltsänderungen eines Bildes mit willkürlicher Verteilung der Strahlungsenergie gegenüber einem Referenzbild
US4118733A (en) Surveillance arrangement including a television system and infrared detector means
US4490849A (en) Correlation plane recognition processor
JPS5574270A (en) Focusing detector for tv camera
US4009960A (en) Passive optical rangefinder
GB1193177A (en) Improvements in or relating to Automatic Control Systems
JPS5892173A (ja) 焦点検出装置
JPS5579576A (en) Television camera
US4331864A (en) Apparatus for detecting an in-focused condition of optical systems
JPS6128914A (ja) カメラにおける自動追尾装置
US20230209219A1 (en) Method of reducing disturbance during capturing images of faint objects
JPS6166352A (ja) 走査電子顕微鏡
US3707598A (en) Electronic pattern recognition
JPH05145822A (ja) 動体追尾装置
JPS54158817A (en) Television camera
JPS6255864B2 (enrdf_load_stackoverflow)
US3552854A (en) Detection and ranging system using electro-optical means
SU1438690A1 (ru) Устройство дл регистрации и анализа зрительной де тельности оператора
JPS62175683A (ja) レ−ザスポット検出装置
US3180991A (en) Reticle for an infrared tracking system having groups of spokes and each spoke of each group parallel with the other spoke
US3518369A (en) Apparatus and information processing methods for a tracking system tracker unit
WO2022244311A1 (ja) 撮像装置、および画像処理方法、並びにプログラム
JPH071886Y2 (ja) カメラ
JPH0771200B2 (ja) 電子式ビユ−フアインダ装置
JPS6468181A (en) Video camera