JPH0515117Y2 - - Google Patents

Info

Publication number
JPH0515117Y2
JPH0515117Y2 JP1986108036U JP10803686U JPH0515117Y2 JP H0515117 Y2 JPH0515117 Y2 JP H0515117Y2 JP 1986108036 U JP1986108036 U JP 1986108036U JP 10803686 U JP10803686 U JP 10803686U JP H0515117 Y2 JPH0515117 Y2 JP H0515117Y2
Authority
JP
Japan
Prior art keywords
light
optical path
optical
emitting element
light guide
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
JP1986108036U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6317484U (bg
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 filed Critical
Priority to JP1986108036U priority Critical patent/JPH0515117Y2/ja
Priority to US07/020,022 priority patent/US4774404A/en
Publication of JPS6317484U publication Critical patent/JPS6317484U/ja
Application granted granted Critical
Publication of JPH0515117Y2 publication Critical patent/JPH0515117Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP1986108036U 1986-07-16 1986-07-16 Expired - Lifetime JPH0515117Y2 (bg)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1986108036U JPH0515117Y2 (bg) 1986-07-16 1986-07-16
US07/020,022 US4774404A (en) 1986-07-16 1987-02-27 Optical path blockage detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986108036U JPH0515117Y2 (bg) 1986-07-16 1986-07-16

Publications (2)

Publication Number Publication Date
JPS6317484U JPS6317484U (bg) 1988-02-05
JPH0515117Y2 true JPH0515117Y2 (bg) 1993-04-21

Family

ID=30984860

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986108036U Expired - Lifetime JPH0515117Y2 (bg) 1986-07-16 1986-07-16

Country Status (1)

Country Link
JP (1) JPH0515117Y2 (bg)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6290335B2 (ja) * 2016-08-19 2018-03-07 株式会社Ｓｐｏｔ 光検出装置及び駐車場満空検出装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60151200A (ja) * 1984-01-18 1985-08-09 富士通株式会社 放射冷却器
JPS60262025A (ja) * 1984-06-08 1985-12-25 Matsushita Electric Ind Co Ltd 照明光の検出装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59189123U (ja) * 1983-06-01 1984-12-15 トヨタ自動車株式会社 着火検出用センサ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60151200A (ja) * 1984-01-18 1985-08-09 富士通株式会社 放射冷却器
JPS60262025A (ja) * 1984-06-08 1985-12-25 Matsushita Electric Ind Co Ltd 照明光の検出装置

Also Published As

Publication number Publication date
JPS6317484U (bg) 1988-02-05

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