BE496507A - - Google Patents
Info
- Publication number
- BE496507A BE496507A BE496507DA BE496507A BE 496507 A BE496507 A BE 496507A BE 496507D A BE496507D A BE 496507DA BE 496507 A BE496507 A BE 496507A
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US103731A US2621256A (en) | 1949-07-08 | 1949-07-08 | Calling line identification apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE496507A true BE496507A (US08197722-20120612-C00042.png) |
Family
ID=22296740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE496507D BE496507A (US08197722-20120612-C00042.png) | 1949-07-08 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2621256A (US08197722-20120612-C00042.png) |
| BE (1) | BE496507A (US08197722-20120612-C00042.png) |
| GB (1) | GB694787A (US08197722-20120612-C00042.png) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2881258A (en) * | 1953-01-09 | 1959-04-07 | Gen Telephone Lab Inc | Automatic telephone systems provided with toll recording facilities |
| FR1133585A (fr) * | 1954-09-01 | 1957-03-28 | Constr Telephoniques | Perfectionnements aux systèmes téléphoniques |
| US2897278A (en) * | 1954-11-16 | 1959-07-28 | North Electric Co | Automatic telephone system |
| US3133156A (en) * | 1960-10-31 | 1964-05-12 | Bell Telephone Labor Inc | Telephone line concentrator |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL56018C (US08197722-20120612-C00042.png) * | 1936-10-31 | |||
| GB530443A (en) * | 1939-05-11 | 1940-12-12 | Ass Telephone & Telegraph Co | Improvements in or relating to telephone systems |
| US2370736A (en) * | 1940-03-13 | 1945-03-06 | Bell Telephone Labor Inc | Telephone system |
| BE470974A (US08197722-20120612-C00042.png) * | 1940-05-22 | |||
| US2408433A (en) * | 1943-02-13 | 1946-10-01 | Bell Telephone Labor Inc | Telephone system |
-
0
- BE BE496507D patent/BE496507A/xx unknown
-
1949
- 1949-07-08 US US103731A patent/US2621256A/en not_active Expired - Lifetime
-
1950
- 1950-06-12 GB GB14664/50A patent/GB694787A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB694787A (en) | 1953-07-29 |
| US2621256A (en) | 1952-12-09 |
