JPH01135588U - - Google Patents

Info

Publication number
JPH01135588U
JPH01135588U JP3101888U JP3101888U JPH01135588U JP H01135588 U JPH01135588 U JP H01135588U JP 3101888 U JP3101888 U JP 3101888U JP 3101888 U JP3101888 U JP 3101888U JP H01135588 U JPH01135588 U JP H01135588U
Authority
JP
Japan
Prior art keywords
sound
alarm
doorway
detects
photoelectric conversion
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
JP3101888U
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 JP3101888U priority Critical patent/JPH01135588U/ja
Publication of JPH01135588U publication Critical patent/JPH01135588U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
JP3101888U 1988-03-10 1988-03-10 Pending JPH01135588U (US07655688-20100202-C00086.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3101888U JPH01135588U (US07655688-20100202-C00086.png) 1988-03-10 1988-03-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3101888U JPH01135588U (US07655688-20100202-C00086.png) 1988-03-10 1988-03-10

Publications (1)

Publication Number Publication Date
JPH01135588U true JPH01135588U (US07655688-20100202-C00086.png) 1989-09-18

Family

ID=31256572

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3101888U Pending JPH01135588U (US07655688-20100202-C00086.png) 1988-03-10 1988-03-10

Country Status (1)

Country Link
JP (1) JPH01135588U (US07655688-20100202-C00086.png)

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