BE508995A - - Google Patents
Info
- Publication number
- BE508995A BE508995A BE508995DA BE508995A BE 508995 A BE508995 A BE 508995A BE 508995D A BE508995D A BE 508995DA BE 508995 A BE508995 A BE 508995A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US216034A US2699467A (en) | 1951-03-16 | 1951-03-16 | Telephone system and a relayless line circuit and circuits in cooperation therewith for extending a call |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE508995A true BE508995A (US06534493-20030318-C00166.png) |
Family
ID=22805411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE508995D BE508995A (US06534493-20030318-C00166.png) | 1951-03-16 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2699467A (US06534493-20030318-C00166.png) |
| BE (1) | BE508995A (US06534493-20030318-C00166.png) |
| FR (1) | FR1054851A (US06534493-20030318-C00166.png) |
| GB (1) | GB720191A (US06534493-20030318-C00166.png) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE500226A (US06534493-20030318-C00166.png) * | 1949-12-24 | |||
| US2938959A (en) * | 1956-06-22 | 1960-05-31 | Gen Telephone Lab Inc | Relayless line circuit |
| US3193621A (en) * | 1961-11-01 | 1965-07-06 | Gen Dynamics Corp | Telephone line finder |
| FR2985792B1 (fr) | 2012-01-18 | 2014-02-07 | Snecma | Secteur angulaire de redresseur a amortissement de vibrations par coin pour compresseur de turbomachine |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB409670A (en) * | 1932-06-17 | 1934-05-01 | Standard Telephones Cables Ltd | Improvements in or relating to telegraph, telephone or like exchange systems |
| US2152889A (en) * | 1935-05-31 | 1939-04-04 | Panstwowe Zaklady Tele I Radjo | Telephone system |
| US2242776A (en) * | 1939-04-25 | 1941-05-20 | Bell Telephone Labor Inc | Telephone system |
| NL57724C (US06534493-20030318-C00166.png) * | 1939-07-24 | |||
| GB567864A (en) * | 1943-08-31 | 1945-03-06 | Standard Telephones Cables Ltd | Improvements in or relating to telecommunication exchange systems |
| US2389666A (en) * | 1944-03-17 | 1945-11-27 | Automatic Elect Lab | Telephone system |
| US2409586A (en) * | 1944-08-24 | 1946-10-15 | Stromberg Carlson Co | Automatic telephone system |
| FR959151A (US06534493-20030318-C00166.png) * | 1945-09-03 | 1950-03-25 | ||
| US2598822A (en) * | 1945-10-13 | 1952-06-03 | Roelof M M Oberman | Signaling system with private branch exchange subscriber |
| US2543534A (en) * | 1947-01-09 | 1951-02-27 | Stromberg Carlson Co | Automatic telephone system |
-
0
- BE BE508995D patent/BE508995A/xx unknown
-
1951
- 1951-03-16 US US216034A patent/US2699467A/en not_active Expired - Lifetime
-
1952
- 1952-01-07 GB GB504/52A patent/GB720191A/en not_active Expired
- 1952-02-04 FR FR1054851D patent/FR1054851A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1054851A (fr) | 1954-02-15 |
| US2699467A (en) | 1955-01-11 |
| GB720191A (en) | 1954-12-15 |
