JPS6077155U - 電話機の着信検出回路 - Google Patents

電話機の着信検出回路

Info

Publication number
JPS6077155U
JPS6077155U JP16828283U JP16828283U JPS6077155U JP S6077155 U JPS6077155 U JP S6077155U JP 16828283 U JP16828283 U JP 16828283U JP 16828283 U JP16828283 U JP 16828283U JP S6077155 U JPS6077155 U JP S6077155U
Authority
JP
Japan
Prior art keywords
detection circuit
incoming call
switching element
call detection
capacitor
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.)
Granted
Application number
JP16828283U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6345094Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
木下　利治
Original Assignee
株式会社田村電機製作所
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 by 株式会社田村電機製作所 filed Critical 株式会社田村電機製作所
Priority to JP16828283U priority Critical patent/JPS6077155U/ja
Publication of JPS6077155U publication Critical patent/JPS6077155U/ja
Application granted granted Critical
Publication of JPS6345094Y2 publication Critical patent/JPS6345094Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Prepayment Telephone Systems (AREA)
JP16828283U 1983-10-29 1983-10-29 電話機の着信検出回路 Granted JPS6077155U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16828283U JPS6077155U (ja) 1983-10-29 1983-10-29 電話機の着信検出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16828283U JPS6077155U (ja) 1983-10-29 1983-10-29 電話機の着信検出回路

Publications (2)

Publication Number Publication Date
JPS6077155U true JPS6077155U (ja) 1985-05-29
JPS6345094Y2 JPS6345094Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-11-22

Family

ID=30367938

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16828283U Granted JPS6077155U (ja) 1983-10-29 1983-10-29 電話機の着信検出回路

Country Status (1)

Country Link
JP (1) JPS6077155U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62105556A (ja) * 1985-11-01 1987-05-16 Nec Corp 電子化電話機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62105556A (ja) * 1985-11-01 1987-05-16 Nec Corp 電子化電話機

Also Published As

Publication number Publication date
JPS6345094Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-11-22

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