JPS61112285U - - Google Patents

Info

Publication number
JPS61112285U
JPS61112285U JP20204284U JP20204284U JPS61112285U JP S61112285 U JPS61112285 U JP S61112285U JP 20204284 U JP20204284 U JP 20204284U JP 20204284 U JP20204284 U JP 20204284U JP S61112285 U JPS61112285 U JP S61112285U
Authority
JP
Japan
Prior art keywords
light
level
threshold level
receiving circuit
received
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
JP20204284U
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 JP20204284U priority Critical patent/JPS61112285U/ja
Publication of JPS61112285U publication Critical patent/JPS61112285U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
JP20204284U 1984-12-26 1984-12-26 Pending JPS61112285U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20204284U JPS61112285U (enrdf_load_stackoverflow) 1984-12-26 1984-12-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20204284U JPS61112285U (enrdf_load_stackoverflow) 1984-12-26 1984-12-26

Publications (1)

Publication Number Publication Date
JPS61112285U true JPS61112285U (enrdf_load_stackoverflow) 1986-07-16

Family

ID=30764394

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20204284U Pending JPS61112285U (enrdf_load_stackoverflow) 1984-12-26 1984-12-26

Country Status (1)

Country Link
JP (1) JPS61112285U (enrdf_load_stackoverflow)

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