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
Links
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 (ko) | 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 (ko) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55144157U (ko) * | 1979-04-04 | 1980-10-16 | ||
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 |
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 |
-
1984
- 1984-07-25 JP JP11300984U patent/JPS6129560U/ja active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55144157U (ko) * | 1979-04-04 | 1980-10-16 | ||
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 |
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 |
Also Published As
Publication number | Publication date |
---|---|
JPH0233423Y2 (ko) | 1990-09-07 |
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