JPH0414818B2 - - Google Patents
Info
- Publication number
- JPH0414818B2 JPH0414818B2 JP59091788A JP9178884A JPH0414818B2 JP H0414818 B2 JPH0414818 B2 JP H0414818B2 JP 59091788 A JP59091788 A JP 59091788A JP 9178884 A JP9178884 A JP 9178884A JP H0414818 B2 JPH0414818 B2 JP H0414818B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- telephone
- telephones
- matching circuit
- resistor
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/428—Arrangements for placing incoming calls on hold
- H04M3/4283—Call holding circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/80—Telephone line holding circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59091788A JPS60236348A (ja) | 1984-05-10 | 1984-05-10 | 電話機の自動解除機能付保留回路 |
| 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 |
| AU42217/85A AU4221785A (en) | 1984-05-10 | 1985-05-09 | Office line holding circuit |
| GB08511834A GB2160744A (en) | 1984-05-10 | 1985-05-10 | Exchange line holding circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59091788A JPS60236348A (ja) | 1984-05-10 | 1984-05-10 | 電話機の自動解除機能付保留回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60236348A JPS60236348A (ja) | 1985-11-25 |
| JPH0414818B2 true JPH0414818B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-03-16 |
Family
ID=14036338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59091788A Granted JPS60236348A (ja) | 1984-05-10 | 1984-05-10 | 電話機の自動解除機能付保留回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60236348A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5290204A (en) * | 1976-01-26 | 1977-07-29 | Nikko Electric Mfg | Device for holding telephone channel |
-
1984
- 1984-05-10 JP JP59091788A patent/JPS60236348A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60236348A (ja) | 1985-11-25 |