JPS5647701A - Detector for incident location of light flux - Google Patents

Detector for incident location of light flux

Info

Publication number
JPS5647701A
JPS5647701A JP12453779A JP12453779A JPS5647701A JP S5647701 A JPS5647701 A JP S5647701A JP 12453779 A JP12453779 A JP 12453779A JP 12453779 A JP12453779 A JP 12453779A JP S5647701 A JPS5647701 A JP S5647701A
Authority
JP
Japan
Prior art keywords
circuit
light flux
projected
photosensor
time
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
JP12453779A
Other languages
Japanese (ja)
Other versions
JPH02641B2 (en
Inventor
Yasuo Ogino
Yukichi Niwa
Mitsutoshi Owada
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 JP12453779A priority Critical patent/JPS5647701A/en
Priority to US06/190,454 priority patent/US4384199A/en
Priority to DE19803036343 priority patent/DE3036343A1/en
Publication of JPS5647701A publication Critical patent/JPS5647701A/en
Publication of JPH02641B2 publication Critical patent/JPH02641B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Optical Distance (AREA)
  • Automatic Focus Adjustment (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

PURPOSE: To detect a location easily and highly accurate by a mechanism wherein time series output signals from a scanning type camera element such as a photosensor-array-device disposed approximately conforming to a surface onto which light flux is projected are devided every fixed section and the quantities are compared.
CONSTITUTION: Light flux is projected by the luminescence of a light source 2, and the output of a photosensor-array-device 3 is read by the functioning of a drive circuit 7 under a condition that the reflected light flux of the projection is projected at a location corresponding to a focus adjusting condition of an image formation lens 1 to a body at that time on a sensor surface of the said device 1. An integration circuit 11 is reset by shift pulses ϕSH at that time while a control circuit 12 responds to the resetting and prescribes timing on the basis of transfer clock pulses ϕ2. A sample-holding circuit 13 sample-holds the output of the integration circuit 11 obtained by the inversion and noninversion of a signal inversion circuit 10, and outputs to a display control circuit 15.
COPYRIGHT: (C)1981,JPO&Japio
JP12453779A 1979-09-27 1979-09-27 Detector for incident location of light flux Granted JPS5647701A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP12453779A JPS5647701A (en) 1979-09-27 1979-09-27 Detector for incident location of light flux
US06/190,454 US4384199A (en) 1979-09-27 1980-09-24 Incident position detector for radiation beam
DE19803036343 DE3036343A1 (en) 1979-09-27 1980-09-26 DETECTOR DEVICE FOR DETECTING RADIATION BANDS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12453779A JPS5647701A (en) 1979-09-27 1979-09-27 Detector for incident location of light flux

Publications (2)

Publication Number Publication Date
JPS5647701A true JPS5647701A (en) 1981-04-30
JPH02641B2 JPH02641B2 (en) 1990-01-09

Family

ID=14887922

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12453779A Granted JPS5647701A (en) 1979-09-27 1979-09-27 Detector for incident location of light flux

Country Status (1)

Country Link
JP (1) JPS5647701A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02160212A (en) * 1988-08-12 1990-06-20 Hitachi Ltd Optical scanner

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5080155A (en) * 1973-11-05 1975-06-30

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5080155A (en) * 1973-11-05 1975-06-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02160212A (en) * 1988-08-12 1990-06-20 Hitachi Ltd Optical scanner

Also Published As

Publication number Publication date
JPH02641B2 (en) 1990-01-09

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