BE473095A - - Google Patents
Info
- Publication number
- BE473095A BE473095A BE473095DA BE473095A BE 473095 A BE473095 A BE 473095A BE 473095D A BE473095D A BE 473095DA BE 473095 A BE473095 A BE 473095A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- H04M15/08—Metering calls to called party, i.e. B-party charged for the communication
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S84/00—Music
- Y10S84/13—Gas discharge tube
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Emergency Protection Circuit Devices (AREA)
- Alarm Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US670358A US2484612A (en) | 1946-05-17 | 1946-05-17 | Directory number calling line identifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE473095A true BE473095A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=24690099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE473095D BE473095A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1946-05-17 |
Country Status (5)
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2629016A (en) * | 1942-06-27 | 1953-02-17 | Bell Telephone Labor Inc | Automatic toll-ticketing system |
| US2619545A (en) * | 1947-06-13 | 1952-11-25 | Bell Telephone Labor Inc | Telephone calling line identification and recording system |
| US2767246A (en) * | 1947-09-04 | 1956-10-16 | Bell Telephone Labor Inc | Automatic message accounting system |
| US2639092A (en) * | 1947-09-04 | 1953-05-19 | Bell Telephone Labor Inc | Automatic message accounting system |
| US2570971A (en) * | 1947-11-14 | 1951-10-09 | Bell Telephone Labor Inc | Vertical line number translator |
| US2600502A (en) * | 1948-04-24 | 1952-06-17 | Bell Telephone Labor Inc | Calling line and private branch exchange line identifier |
| US2639330A (en) * | 1949-03-04 | 1953-05-19 | Automatic Elect Lab | Calling line identification apparatus |
| NL81976C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1949-06-02 | |||
| US2594505A (en) * | 1949-12-09 | 1952-04-29 | Bell Telephone Labor Inc | Calling line identification and registering system |
| BE499901A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1949-12-30 | |||
| US2587426A (en) * | 1950-04-28 | 1952-02-26 | Atomic Energy Commission | Pulse forming network |
| NL85263C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1950-10-13 | |||
| US2881260A (en) * | 1952-03-12 | 1959-04-07 | Gen Telephone Lab Inc | Automatic telephone systems involving toll-recording facilities |
| US2851531A (en) * | 1952-03-12 | 1958-09-09 | Gen Telephone Lab Inc | Automatic telephone systems involving toll recording facilities |
| US2886642A (en) * | 1953-04-13 | 1959-05-12 | Gen Dynamics Corp | Automatic toll ticketing |
| NL102419C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1953-07-03 | |||
| US2748283A (en) * | 1953-08-19 | 1956-05-29 | Bell Telephone Labor Inc | Frequency multiplier apparatus |
| US3133156A (en) * | 1960-10-31 | 1964-05-12 | Bell Telephone Labor Inc | Telephone line concentrator |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1690206A (en) * | 1927-06-04 | 1928-11-06 | Western Electric Co | Telephone system |
| US1663747A (en) * | 1927-08-05 | 1928-03-27 | American Telephone & Telegraph | Telephone-exchange system |
| US1841084A (en) * | 1930-04-19 | 1932-01-12 | Bell Telephone Labor Inc | Telephone system |
| US2005595A (en) * | 1932-10-21 | 1935-06-18 | Western Electric Co | Telephone system |
| US2226459A (en) * | 1935-11-23 | 1940-12-24 | Philco Radio & Television Corp | Signal-deriving circuit |
| US2084105A (en) * | 1936-03-11 | 1937-06-15 | Bell Telephone Labor Inc | Telephone control system |
| US2153179A (en) * | 1936-09-10 | 1939-04-04 | Ibm | Oscillator circuit |
| BE477685A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1940-09-20 |
-
0
- BE BE473095D patent/BE473095A/xx unknown
-
1946
- 1946-05-17 US US670358A patent/US2484612A/en not_active Expired - Lifetime
-
1947
- 1947-04-08 FR FR944777D patent/FR944777A/fr not_active Expired
- 1947-04-26 CH CH277163D patent/CH277163A/de unknown
- 1947-05-09 GB GB12635/47A patent/GB650774A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB650774A (en) | 1951-03-07 |
| FR944777A (fr) | 1949-04-14 |
| US2484612A (en) | 1949-10-11 |
| CH277163A (de) | 1951-08-15 |