JPH0233423Y2 - - Google Patents
Info
- Publication number
- JPH0233423Y2 JPH0233423Y2 JP11300984U JP11300984U JPH0233423Y2 JP H0233423 Y2 JPH0233423 Y2 JP H0233423Y2 JP 11300984 U JP11300984 U JP 11300984U JP 11300984 U JP11300984 U JP 11300984U JP H0233423 Y2 JPH0233423 Y2 JP H0233423Y2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- transistor
- matching circuit
- resistor
- polarity matching
- 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
Links
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 28
- 229910052710 silicon Inorganic materials 0.000 claims description 28
- 239000010703 silicon Substances 0.000 claims description 28
- 239000003990 capacitor Substances 0.000 claims description 20
- 238000010586 diagram Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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 JPS6129560U (ja) | 1986-02-22 |
| JPH0233423Y2 true JPH0233423Y2 (instruction) | 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 (instruction) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55144157U (instruction) * | 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
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6129560U (ja) | 1986-02-22 |