JPH0434680U - - Google Patents

Info

Publication number
JPH0434680U
JPH0434680U JP7529890U JP7529890U JPH0434680U JP H0434680 U JPH0434680 U JP H0434680U JP 7529890 U JP7529890 U JP 7529890U JP 7529890 U JP7529890 U JP 7529890U JP H0434680 U JPH0434680 U JP H0434680U
Authority
JP
Japan
Prior art keywords
projector
optical fiber
infrared
facing
receiver
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
JP7529890U
Other languages
English (en)
Japanese (ja)
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 JP7529890U priority Critical patent/JPH0434680U/ja
Publication of JPH0434680U publication Critical patent/JPH0434680U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
  • Electronic Switches (AREA)
JP7529890U 1990-07-16 1990-07-16 Pending JPH0434680U (US20020167097A1-20021114-C00005.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7529890U JPH0434680U (US20020167097A1-20021114-C00005.png) 1990-07-16 1990-07-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7529890U JPH0434680U (US20020167097A1-20021114-C00005.png) 1990-07-16 1990-07-16

Publications (1)

Publication Number Publication Date
JPH0434680U true JPH0434680U (US20020167097A1-20021114-C00005.png) 1992-03-23

Family

ID=31615756

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7529890U Pending JPH0434680U (US20020167097A1-20021114-C00005.png) 1990-07-16 1990-07-16

Country Status (1)

Country Link
JP (1) JPH0434680U (US20020167097A1-20021114-C00005.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5362552A (en) * 1976-11-15 1978-06-05 Matsushita Electric Works Ltd Beam type detector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5362552A (en) * 1976-11-15 1978-06-05 Matsushita Electric Works Ltd Beam type detector

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