JPS642231Y2 - - Google Patents

Info

Publication number
JPS642231Y2
JPS642231Y2 JP1976139017U JP13901776U JPS642231Y2 JP S642231 Y2 JPS642231 Y2 JP S642231Y2 JP 1976139017 U JP1976139017 U JP 1976139017U JP 13901776 U JP13901776 U JP 13901776U JP S642231 Y2 JPS642231 Y2 JP S642231Y2
Authority
JP
Japan
Prior art keywords
signal
tone burst
frequency
circuit
chime
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
Application number
JP1976139017U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5356789U (enrdf_load_html_response
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 JP1976139017U priority Critical patent/JPS642231Y2/ja
Publication of JPS5356789U publication Critical patent/JPS5356789U/ja
Application granted granted Critical
Publication of JPS642231Y2 publication Critical patent/JPS642231Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
  • Selective Calling Equipment (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Burglar Alarm Systems (AREA)
JP1976139017U 1976-10-15 1976-10-15 Expired JPS642231Y2 (enrdf_load_html_response)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1976139017U JPS642231Y2 (enrdf_load_html_response) 1976-10-15 1976-10-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1976139017U JPS642231Y2 (enrdf_load_html_response) 1976-10-15 1976-10-15

Publications (2)

Publication Number Publication Date
JPS5356789U JPS5356789U (enrdf_load_html_response) 1978-05-15
JPS642231Y2 true JPS642231Y2 (enrdf_load_html_response) 1989-01-19

Family

ID=28747777

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1976139017U Expired JPS642231Y2 (enrdf_load_html_response) 1976-10-15 1976-10-15

Country Status (1)

Country Link
JP (1) JPS642231Y2 (enrdf_load_html_response)

Also Published As

Publication number Publication date
JPS5356789U (enrdf_load_html_response) 1978-05-15

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