JPS6129560U - 電話機の自動解除機能付保留回路 - Google Patents

電話機の自動解除機能付保留回路

Info

Publication number
JPS6129560U
JPS6129560U JP11300984U JP11300984U JPS6129560U JP S6129560 U JPS6129560 U JP S6129560U JP 11300984 U JP11300984 U JP 11300984U JP 11300984 U JP11300984 U JP 11300984U JP S6129560 U JPS6129560 U JP S6129560U
Authority
JP
Japan
Prior art keywords
matching circuit
circuit
polarity matching
transistor
parallel
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
JP11300984U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0233423Y2 (en:Method
Inventor
利雄 西村
伸一 土岐田
Original Assignee
日通工株式会社
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 日通工株式会社 filed Critical 日通工株式会社
Priority to JP11300984U priority Critical patent/JPS6129560U/ja
Priority to AU42217/85A priority patent/AU4221785A/en
Priority to US06/732,384 priority patent/US4656660A/en
Priority to GB08511834A priority patent/GB2160744A/en
Publication of JPS6129560U publication Critical patent/JPS6129560U/ja
Application granted granted Critical
Publication of JPH0233423Y2 publication Critical patent/JPH0233423Y2/ja
Granted legal-status Critical Current

Links

JP11300984U 1984-05-10 1984-07-25 電話機の自動解除機能付保留回路 Granted JPS6129560U (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP11300984U JPS6129560U (ja) 1984-07-25 1984-07-25 電話機の自動解除機能付保留回路
AU42217/85A AU4221785A (en) 1984-05-10 1985-05-09 Office line holding circuit
US06/732,384 US4656660A (en) 1984-05-10 1985-05-09 Office line holding circuit with an automatic release function for direct connection telephone system
GB08511834A GB2160744A (en) 1984-05-10 1985-05-10 Exchange line holding circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11300984U JPS6129560U (ja) 1984-07-25 1984-07-25 電話機の自動解除機能付保留回路

Publications (2)

Publication Number Publication Date
JPS6129560U true JPS6129560U (ja) 1986-02-22
JPH0233423Y2 JPH0233423Y2 (en:Method) 1990-09-07

Family

ID=30672045

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11300984U Granted JPS6129560U (ja) 1984-05-10 1984-07-25 電話機の自動解除機能付保留回路

Country Status (1)

Country Link
JP (1) JPS6129560U (en:Method)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55144157U (en:Method) * 1979-04-04 1980-10-16
JPS61201542A (ja) * 1985-03-05 1986-09-06 Kanda Tsushin Kogyo Kk 親子電話装置における保留自動解除装置
JPS61201543A (ja) * 1985-03-05 1986-09-06 Kanda Tsushin Kogyo Kk 親子電話装置
JPS61201541A (ja) * 1985-03-05 1986-09-06 Kanda Tsushin Kogyo Kk 親子電話装置における保留自動解除装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55144157U (en:Method) * 1979-04-04 1980-10-16
JPS61201542A (ja) * 1985-03-05 1986-09-06 Kanda Tsushin Kogyo Kk 親子電話装置における保留自動解除装置
JPS61201543A (ja) * 1985-03-05 1986-09-06 Kanda Tsushin Kogyo Kk 親子電話装置
JPS61201541A (ja) * 1985-03-05 1986-09-06 Kanda Tsushin Kogyo Kk 親子電話装置における保留自動解除装置

Also Published As

Publication number Publication date
JPH0233423Y2 (en:Method) 1990-09-07

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