BE493863A - - Google Patents
Info
- Publication number
- BE493863A BE493863A BE493863DA BE493863A BE 493863 A BE493863 A BE 493863A BE 493863D A BE493863D A BE 493863DA BE 493863 A BE493863 A BE 493863A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Saccharide Compounds (AREA)
- Peptides Or Proteins (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75985A US2678353A (en) | 1949-02-12 | 1949-02-12 | Telephone system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE493863A true BE493863A (en]) |
Family
ID=22129189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE493863D BE493863A (en]) | 1949-02-12 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2678353A (en]) |
| BE (1) | BE493863A (en]) |
| GB (1) | GB692999A (en]) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE522048A (en]) * | 1949-04-04 | |||
| US2866002A (en) * | 1951-03-28 | 1958-12-23 | Gen Telephone Lab Inc | Automatic toll ticketing telephone systems |
| BE545894A (en]) * | 1952-12-18 | |||
| US2785228A (en) * | 1955-06-06 | 1957-03-12 | Automatic Elect Lab | Party line identification and checking circuit |
| US2876288A (en) * | 1955-12-20 | 1959-03-03 | Bell Telephone Labor Inc | Magnetic drum auxiliary sender for telephone switching system |
| US2867690A (en) * | 1956-07-13 | 1959-01-06 | Bell Telephone Labor Inc | Auxiliary sender circuit |
| US2989592A (en) * | 1956-10-05 | 1961-06-20 | North Electric Co | Automatic telephone system |
| US3200200A (en) * | 1960-08-24 | 1965-08-10 | Itt | Automatic toll ticketing systems |
| US3188396A (en) * | 1962-04-03 | 1965-06-08 | Automatic Elect Lab | Foreign exchange trunking |
| GB1053350A (en]) * | 1962-10-16 | |||
| US3231682A (en) * | 1962-11-08 | 1966-01-25 | Northern Electric Co | Direct subscriber dialing system from satellite to master switching office |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR568149A (fr) * | 1922-02-23 | 1924-03-17 | Thomson Houston Comp Francaise | Système téléphonique automatique pour grand réseau, avec traducteur et dispositif de contrôle |
| GB346301A (en) * | 1930-01-07 | 1931-04-07 | Standard Telephones Cables Ltd | Improvements in or relating to automatic or semi-automatic telephone exchange systems |
| US1862549A (en) * | 1931-06-11 | 1932-06-14 | Bell Telephone Labor Inc | Telephone system |
| GB383659A (en) * | 1931-07-29 | 1932-11-24 | Automatic Electric Co Ltd | Improvements in or relating to telephone systems |
| US2006438A (en) * | 1934-10-20 | 1935-07-02 | Bell Telephone Labor Inc | Telephone exchange system |
| US2030419A (en) * | 1934-10-24 | 1936-02-11 | Bell Telephone Labor Inc | Telephone exchange system |
| US2056265A (en) * | 1935-08-13 | 1936-10-06 | Beli Telephone Lab Inc | Telephone system |
| US2282564A (en) * | 1940-03-29 | 1942-05-12 | Associated Electric Lab Inc | Telephone system |
| US2385228A (en) * | 1940-08-26 | 1945-09-18 | Automatic Elect Lab | Telephone system |
| US2413131A (en) * | 1940-11-28 | 1946-12-24 | Pauly Jail Building Company | Selective actuating and indicating mechanism |
| US2409063A (en) * | 1941-09-18 | 1946-10-08 | Automatic Elect Lab | Telephone system |
| US2426981A (en) * | 1942-06-27 | 1947-09-09 | Bell Telephone Labor Inc | Automatic toll ticketing alarm system |
| US2518210A (en) * | 1947-03-29 | 1950-08-08 | Automatic Elect Lab | Restricted service automatic telephone system |
-
0
- BE BE493863D patent/BE493863A/xx unknown
-
1949
- 1949-02-12 US US75985A patent/US2678353A/en not_active Expired - Lifetime
-
1950
- 1950-02-01 GB GB2630/50A patent/GB692999A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB692999A (en) | 1953-06-17 |
| US2678353A (en) | 1954-05-11 |