JPH0433396B2 - - Google Patents

Info

Publication number
JPH0433396B2
JPH0433396B2 JP60233917A JP23391785A JPH0433396B2 JP H0433396 B2 JPH0433396 B2 JP H0433396B2 JP 60233917 A JP60233917 A JP 60233917A JP 23391785 A JP23391785 A JP 23391785A JP H0433396 B2 JPH0433396 B2 JP H0433396B2
Authority
JP
Japan
Prior art keywords
output
comparison
level
light emitting
resistor
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
JP60233917A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6293681A (ja
Inventor
Takeo Hara
Takatoshi Mizoguchi
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 JP60233917A priority Critical patent/JPS6293681A/ja
Publication of JPS6293681A publication Critical patent/JPS6293681A/ja
Publication of JPH0433396B2 publication Critical patent/JPH0433396B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP60233917A 1985-10-18 1985-10-18 光電式物体検知装置 Granted JPS6293681A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60233917A JPS6293681A (ja) 1985-10-18 1985-10-18 光電式物体検知装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60233917A JPS6293681A (ja) 1985-10-18 1985-10-18 光電式物体検知装置

Publications (2)

Publication Number Publication Date
JPS6293681A JPS6293681A (ja) 1987-04-30
JPH0433396B2 true JPH0433396B2 (enrdf_load_stackoverflow) 1992-06-02

Family

ID=16962619

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60233917A Granted JPS6293681A (ja) 1985-10-18 1985-10-18 光電式物体検知装置

Country Status (1)

Country Link
JP (1) JPS6293681A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404008A (en) * 1993-07-16 1995-04-04 Rockwell International Corporation Control system for detecting intrusion of a light curtain
US5539198A (en) * 1993-09-28 1996-07-23 Rockwell International Corporation Uniform sensitivity light curtain

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5652355B2 (enrdf_load_stackoverflow) * 1974-07-31 1981-12-11
JPS5544219U (enrdf_load_stackoverflow) * 1978-09-14 1980-03-22

Also Published As

Publication number Publication date
JPS6293681A (ja) 1987-04-30

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term