JPS49100904A - - Google Patents
Info
- Publication number
- JPS49100904A JPS49100904A JP48011937A JP1193773A JPS49100904A JP S49100904 A JPS49100904 A JP S49100904A JP 48011937 A JP48011937 A JP 48011937A JP 1193773 A JP1193773 A JP 1193773A JP S49100904 A JPS49100904 A JP S49100904A
- Authority
- JP
- Japan
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1193773A JPS5320321B2 (cg-RX-API-DMAC7.html) | 1973-01-31 | 1973-01-31 | |
| US05/437,679 US3949176A (en) | 1973-01-31 | 1974-01-29 | Method of and apparatus for all busy detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1193773A JPS5320321B2 (cg-RX-API-DMAC7.html) | 1973-01-31 | 1973-01-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49100904A true JPS49100904A (cg-RX-API-DMAC7.html) | 1974-09-24 |
| JPS5320321B2 JPS5320321B2 (cg-RX-API-DMAC7.html) | 1978-06-26 |
Family
ID=11791557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1193773A Expired JPS5320321B2 (cg-RX-API-DMAC7.html) | 1973-01-31 | 1973-01-31 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3949176A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS5320321B2 (cg-RX-API-DMAC7.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002087200A1 (fr) * | 2001-04-24 | 2002-10-31 | Huawei Technologies Co., Ltd. | Procede de detection automatique d'un signal occupe |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB948367A (en) * | 1961-07-31 | 1964-02-05 | Ass Elect Ind | Improvements relating to scanning circuit arrangements |
| US3406258A (en) * | 1965-04-16 | 1968-10-15 | Int Standard Electric Corp | Control circuit for switching networks having output availability check means |
| US3532830A (en) * | 1968-07-31 | 1970-10-06 | Automatic Elect Lab | Trunk preference circuit for a communication switching system |
| FR2136958B1 (cg-RX-API-DMAC7.html) * | 1971-05-10 | 1973-05-11 | Constr Telephoniques | |
| FR2137297B1 (cg-RX-API-DMAC7.html) * | 1971-05-18 | 1973-05-11 | Revel Maurice |
-
1973
- 1973-01-31 JP JP1193773A patent/JPS5320321B2/ja not_active Expired
-
1974
- 1974-01-29 US US05/437,679 patent/US3949176A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5320321B2 (cg-RX-API-DMAC7.html) | 1978-06-26 |
| US3949176A (en) | 1976-04-06 |