JPH0213763B2 - - Google Patents

Info

Publication number
JPH0213763B2
JPH0213763B2 JP55031235A JP3123580A JPH0213763B2 JP H0213763 B2 JPH0213763 B2 JP H0213763B2 JP 55031235 A JP55031235 A JP 55031235A JP 3123580 A JP3123580 A JP 3123580A JP H0213763 B2 JPH0213763 B2 JP H0213763B2
Authority
JP
Japan
Prior art keywords
signal
output
circuit
time
light
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
JP55031235A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56126813A (en
Inventor
Jukichi Niwa
Mitsutoshi Oowada
Yasuo Ogino
Kazuo Tanaka
Noboru Yukimura
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP3123580A priority Critical patent/JPS56126813A/ja
Priority to US06/190,454 priority patent/US4384199A/en
Priority to DE19803036343 priority patent/DE3036343A1/de
Publication of JPS56126813A publication Critical patent/JPS56126813A/ja
Publication of JPH0213763B2 publication Critical patent/JPH0213763B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
    • G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Measurement Of Optical Distance (AREA)
  • Focusing (AREA)
JP3123580A 1979-09-27 1980-03-12 Incident position detector of luminous flux Granted JPS56126813A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP3123580A JPS56126813A (en) 1980-03-12 1980-03-12 Incident position detector of luminous flux
US06/190,454 US4384199A (en) 1979-09-27 1980-09-24 Incident position detector for radiation beam
DE19803036343 DE3036343A1 (de) 1979-09-27 1980-09-26 Detektoreinrichtung zur strahlungsbuendel-einfallstellen-ermittlung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3123580A JPS56126813A (en) 1980-03-12 1980-03-12 Incident position detector of luminous flux

Publications (2)

Publication Number Publication Date
JPS56126813A JPS56126813A (en) 1981-10-05
JPH0213763B2 true JPH0213763B2 (ko) 1990-04-05

Family

ID=12325734

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3123580A Granted JPS56126813A (en) 1979-09-27 1980-03-12 Incident position detector of luminous flux

Country Status (1)

Country Link
JP (1) JPS56126813A (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6087577A (ja) * 1983-10-19 1985-05-17 Matsushita Electric Ind Co Ltd ビデオカメラの自動焦点調節装置
JPS6087576A (ja) * 1983-10-19 1985-05-17 Matsushita Electric Ind Co Ltd ビデオカメラの自動焦点調節装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4898826A (ko) * 1972-03-29 1973-12-14
JPS54154382A (en) * 1978-05-25 1979-12-05 Canon Inc Photo sensor device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4898826A (ko) * 1972-03-29 1973-12-14
JPS54154382A (en) * 1978-05-25 1979-12-05 Canon Inc Photo sensor device

Also Published As

Publication number Publication date
JPS56126813A (en) 1981-10-05

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