JPS52473A - System for photoelectrically detcting objects - Google Patents

System for photoelectrically detcting objects

Info

Publication number
JPS52473A
JPS52473A JP50059268A JP5926875A JPS52473A JP S52473 A JPS52473 A JP S52473A JP 50059268 A JP50059268 A JP 50059268A JP 5926875 A JP5926875 A JP 5926875A JP S52473 A JPS52473 A JP S52473A
Authority
JP
Japan
Prior art keywords
objects
detcting
photoelectrically
automobiles
reliably
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.)
Pending
Application number
JP50059268A
Other languages
Japanese (ja)
Inventor
Tatsuyuki Kobayashi
Takahiko Yamada
Kazuto Higuchi
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.)
KI Holdings Co Ltd
Original Assignee
Koito Industries 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 Koito Industries Ltd filed Critical Koito Industries Ltd
Priority to JP50059268A priority Critical patent/JPS52473A/en
Publication of JPS52473A publication Critical patent/JPS52473A/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Traffic Control Systems (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

PURPOSE: To provide a device which reliably and accurately detects the presence of objects based on the interruption principle by utilizing light interrupted by automobiles, that is irregularly reflected from white lines painted on a road.
COPYRIGHT: (C)1977,JPO&Japio
JP50059268A 1975-05-20 1975-05-20 System for photoelectrically detcting objects Pending JPS52473A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50059268A JPS52473A (en) 1975-05-20 1975-05-20 System for photoelectrically detcting objects

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50059268A JPS52473A (en) 1975-05-20 1975-05-20 System for photoelectrically detcting objects

Publications (1)

Publication Number Publication Date
JPS52473A true JPS52473A (en) 1977-01-05

Family

ID=13108442

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50059268A Pending JPS52473A (en) 1975-05-20 1975-05-20 System for photoelectrically detcting objects

Country Status (1)

Country Link
JP (1) JPS52473A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5461055A (en) * 1977-10-24 1979-05-17 Washimaiyaa Kk Press casting method of nonferrous metal element
JPS5796485U (en) * 1981-11-25 1982-06-14
JPS59206136A (en) * 1983-05-09 1984-11-21 Musashi Seimitsu Kogyo Kk Flanging method of pipe material by rotary forging
JPS6079182U (en) * 1983-11-05 1985-06-01 日立工機株式会社 paper detection device
JPH01135382U (en) * 1988-03-03 1989-09-18
JPH0263621A (en) * 1988-08-29 1990-03-02 Nippon Gasket Kk Manufacture of bore grommet
JPH0413427A (en) * 1990-04-28 1992-01-17 Kaiyo Giken Kk Manufacture of flare flange and pipe expansion tool used therefor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS498766U (en) * 1972-04-26 1974-01-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS498766U (en) * 1972-04-26 1974-01-25

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5461055A (en) * 1977-10-24 1979-05-17 Washimaiyaa Kk Press casting method of nonferrous metal element
JPS5796485U (en) * 1981-11-25 1982-06-14
JPS59206136A (en) * 1983-05-09 1984-11-21 Musashi Seimitsu Kogyo Kk Flanging method of pipe material by rotary forging
JPS6079182U (en) * 1983-11-05 1985-06-01 日立工機株式会社 paper detection device
JPH01135382U (en) * 1988-03-03 1989-09-18
JPH0263621A (en) * 1988-08-29 1990-03-02 Nippon Gasket Kk Manufacture of bore grommet
JPH0413427A (en) * 1990-04-28 1992-01-17 Kaiyo Giken Kk Manufacture of flare flange and pipe expansion tool used therefor

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