JPS51151166A - Object sensor - Google Patents

Object sensor

Info

Publication number
JPS51151166A
JPS51151166A JP50074471A JP7447175A JPS51151166A JP S51151166 A JPS51151166 A JP S51151166A JP 50074471 A JP50074471 A JP 50074471A JP 7447175 A JP7447175 A JP 7447175A JP S51151166 A JPS51151166 A JP S51151166A
Authority
JP
Japan
Prior art keywords
dust proof
cover
protection cover
proof cover
object sensor
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
JP50074471A
Other languages
Japanese (ja)
Inventor
Shogo Onoda
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.)
Hitachi Ltd
Hitachi High Tech Corp
Original Assignee
Hitachi Ltd
Hitachi Electronics Engineering 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 Hitachi Ltd, Hitachi Electronics Engineering Co Ltd filed Critical Hitachi Ltd
Priority to JP50074471A priority Critical patent/JPS51151166A/en
Publication of JPS51151166A publication Critical patent/JPS51151166A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: By establishing a dust proof cover between a protection cover and a projector and between a protection cover and an optical receiver, sending the air to the space formed by a protection cover and a dust proof cover and cleaning a dust proof cover, this device shall be operated properly irrespective of the circumstance of an installation place.
COPYRIGHT: (C)1976,JPO&Japio
JP50074471A 1975-06-20 1975-06-20 Object sensor Pending JPS51151166A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50074471A JPS51151166A (en) 1975-06-20 1975-06-20 Object sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50074471A JPS51151166A (en) 1975-06-20 1975-06-20 Object sensor

Publications (1)

Publication Number Publication Date
JPS51151166A true JPS51151166A (en) 1976-12-25

Family

ID=13548189

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50074471A Pending JPS51151166A (en) 1975-06-20 1975-06-20 Object sensor

Country Status (1)

Country Link
JP (1) JPS51151166A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6079127U (en) * 1983-11-07 1985-06-01 長田電機工業株式会社 Power meter for laser
JPS6083672U (en) * 1983-11-16 1985-06-10 株式会社ソフィア Photoelectric passing ball detector for pachinko machines
JP2017053857A (en) * 2015-09-10 2017-03-16 コーエイ工業株式会社 Protector and vehicle sensor system including the same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6079127U (en) * 1983-11-07 1985-06-01 長田電機工業株式会社 Power meter for laser
JPH0222658Y2 (en) * 1983-11-07 1990-06-19
JPS6083672U (en) * 1983-11-16 1985-06-10 株式会社ソフィア Photoelectric passing ball detector for pachinko machines
JPH0335355Y2 (en) * 1983-11-16 1991-07-26
JP2017053857A (en) * 2015-09-10 2017-03-16 コーエイ工業株式会社 Protector and vehicle sensor system including the same

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