BE472487A - - Google Patents
Info
- Publication number
- BE472487A BE472487A BE472487DA BE472487A BE 472487 A BE472487 A BE 472487A BE 472487D A BE472487D A BE 472487DA BE 472487 A BE472487 A BE 472487A
- 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
- H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Exchange Systems With Centralized Control (AREA)
- Telephonic Communication Services (AREA)
- Peptides Or Proteins (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US411350A US2409063A (en) | 1941-09-18 | 1941-09-18 | Telephone system |
| US457925A US2603713A (en) | 1941-09-18 | 1942-09-11 | Party line identification in automatic telephony |
| US457926A US2535510A (en) | 1941-09-18 | 1942-09-11 | Dual rate and/or reversed charging in automatic telephony |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE472487A true BE472487A (en:Method) |
Family
ID=27410896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE472487D BE472487A (en:Method) | 1941-09-18 |
Country Status (2)
| Country | Link |
|---|---|
| US (2) | US2603713A (en:Method) |
| BE (1) | BE472487A (en:Method) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2657268A (en) * | 1948-10-14 | 1953-10-27 | Bell Telephone Labor Inc | System for automatically ticketing telephone calls |
| US2866002A (en) * | 1951-03-28 | 1958-12-23 | Gen Telephone Lab Inc | Automatic toll ticketing telephone systems |
| US2775648A (en) * | 1951-03-28 | 1956-12-25 | Automatic Elect Lab | Automatic toll ticketing telephone system |
| US2725428A (en) * | 1953-01-06 | 1955-11-29 | Itt | Multi-group primary-secondary-spread crossbar telephone system |
| US2851530A (en) * | 1953-11-19 | 1958-09-09 | Gen Dynamies Corp | Message register |
| FR1133585A (fr) * | 1954-09-01 | 1957-03-28 | Constr Telephoniques | Perfectionnements aux systèmes téléphoniques |
| US2894069A (en) * | 1956-07-02 | 1959-07-07 | Itt | Calling station identification |
| GB809871A (en) * | 1956-12-21 | 1959-03-04 | Standard Telephones Cables Ltd | Improvements in or relating to automatic telecommunication exchanges |
| US3019295A (en) * | 1956-12-03 | 1962-01-30 | Automatic Elect Lab | Automatic toll ticketing telephone system |
| US3046342A (en) * | 1957-04-03 | 1962-07-24 | Automatic Elect Lab | Automatic toll ticketing telephone system |
| US2897273A (en) * | 1957-06-27 | 1959-07-28 | Gen Telephone Lab Inc | Automatic toll ticketing telephone system |
| US3175039A (en) * | 1962-04-16 | 1965-03-23 | Jr Hugh R Wilbourn | Ppcs toll ticketing telephone system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1309248A (en) * | 1919-07-08 | Automatic telephone system | ||
| US1269702A (en) * | 1916-06-15 | 1918-06-18 | Western Electric Co | Message-register circuits for machine-switching telephone-exchange systems. |
| US1435333A (en) * | 1919-06-14 | 1922-11-14 | Western Electric Co | Telephone-exchange system |
| US1846262A (en) * | 1931-05-18 | 1932-02-23 | American Telephone & Telegraph | Telephone system |
| US2299513A (en) * | 1940-06-06 | 1942-10-20 | Ass Telephone & Telegraph Co | Telephone or like system |
-
0
- BE BE472487D patent/BE472487A/xx unknown
-
1942
- 1942-09-11 US US457925A patent/US2603713A/en not_active Expired - Lifetime
- 1942-09-11 US US457926A patent/US2535510A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2603713A (en) | 1952-07-15 |
| US2535510A (en) | 1950-12-26 |