JPH0453273B2 - - Google Patents

Info

Publication number
JPH0453273B2
JPH0453273B2 JP1887785A JP1887785A JPH0453273B2 JP H0453273 B2 JPH0453273 B2 JP H0453273B2 JP 1887785 A JP1887785 A JP 1887785A JP 1887785 A JP1887785 A JP 1887785A JP H0453273 B2 JPH0453273 B2 JP H0453273B2
Authority
JP
Japan
Prior art keywords
light
circuit
signal
timing
output
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
JP1887785A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61176877A (ja
Inventor
Yoshifumi Masuda
Yoshihei Tani
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP60018877A priority Critical patent/JPS61176877A/ja
Publication of JPS61176877A publication Critical patent/JPS61176877A/ja
Publication of JPH0453273B2 publication Critical patent/JPH0453273B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
JP60018877A 1985-01-31 1985-01-31 物体検出装置 Granted JPS61176877A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60018877A JPS61176877A (ja) 1985-01-31 1985-01-31 物体検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60018877A JPS61176877A (ja) 1985-01-31 1985-01-31 物体検出装置

Publications (2)

Publication Number Publication Date
JPS61176877A JPS61176877A (ja) 1986-08-08
JPH0453273B2 true JPH0453273B2 (US06229276-20010508-P00022.png) 1992-08-26

Family

ID=11983780

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60018877A Granted JPS61176877A (ja) 1985-01-31 1985-01-31 物体検出装置

Country Status (1)

Country Link
JP (1) JPS61176877A (US06229276-20010508-P00022.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH073882B2 (ja) * 1986-05-12 1995-01-18 東京エレクトロン東北株式会社 フォトセンサの外乱光補償方法及びその回路
JP4984136B2 (ja) * 2007-04-20 2012-07-25 横河電機株式会社 光学式対象物判別装置
DE202010018612U1 (de) * 2010-07-02 2018-08-08 Pantron Instruments Gmbh Lichtschranke

Also Published As

Publication number Publication date
JPS61176877A (ja) 1986-08-08

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees