JPS6464902A - Optical malfunction detecting circuit and system check device therefor in garbage collection vehicle - Google Patents

Optical malfunction detecting circuit and system check device therefor in garbage collection vehicle

Info

Publication number
JPS6464902A
JPS6464902A JP22080087A JP22080087A JPS6464902A JP S6464902 A JPS6464902 A JP S6464902A JP 22080087 A JP22080087 A JP 22080087A JP 22080087 A JP22080087 A JP 22080087A JP S6464902 A JPS6464902 A JP S6464902A
Authority
JP
Japan
Prior art keywords
light receiving
signal
rotary plate
light
turned
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
JP22080087A
Other languages
English (en)
Inventor
Toru Usami
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.)
Ricoh Co Ltd
Original Assignee
Riken Optical Co 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 Riken Optical Co Ltd filed Critical Riken Optical Co Ltd
Priority to JP22080087A priority Critical patent/JPS6464902A/ja
Publication of JPS6464902A publication Critical patent/JPS6464902A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Refuse-Collection Vehicles (AREA)
JP22080087A 1987-09-03 1987-09-03 Optical malfunction detecting circuit and system check device therefor in garbage collection vehicle Pending JPS6464902A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22080087A JPS6464902A (en) 1987-09-03 1987-09-03 Optical malfunction detecting circuit and system check device therefor in garbage collection vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22080087A JPS6464902A (en) 1987-09-03 1987-09-03 Optical malfunction detecting circuit and system check device therefor in garbage collection vehicle

Publications (1)

Publication Number Publication Date
JPS6464902A true JPS6464902A (en) 1989-03-10

Family

ID=16756760

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22080087A Pending JPS6464902A (en) 1987-09-03 1987-09-03 Optical malfunction detecting circuit and system check device therefor in garbage collection vehicle

Country Status (1)

Country Link
JP (1) JPS6464902A (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5414079A (en) * 1977-07-04 1979-02-01 Komatsu Ltd Trouble detector for light-ray type safety device
JPS59137699A (ja) * 1983-01-24 1984-08-07 アイダエンジニアリング株式会社 セルフチエツク機構を有する光線式安全装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5414079A (en) * 1977-07-04 1979-02-01 Komatsu Ltd Trouble detector for light-ray type safety device
JPS59137699A (ja) * 1983-01-24 1984-08-07 アイダエンジニアリング株式会社 セルフチエツク機構を有する光線式安全装置

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