BE477655A - - Google Patents
Info
- Publication number
- BE477655A BE477655A BE477655DA BE477655A BE 477655 A BE477655 A BE 477655A BE 477655D A BE477655D A BE 477655DA BE 477655 A BE477655 A BE 477655A
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB10399/41A GB551328A (en) | 1941-08-15 | 1941-08-15 | Improvements in or relating to telecommunication exchange systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE477655A true BE477655A (en:Method) |
Family
ID=9967102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE477655D BE477655A (en:Method) | 1941-08-15 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2338242A (en:Method) |
| BE (1) | BE477655A (en:Method) |
| FR (1) | FR933642A (en:Method) |
| GB (1) | GB551328A (en:Method) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2588686A (en) * | 1940-04-01 | 1952-03-11 | Automatic Elect Lab | Telephone system providing operator service when all trunks are busy |
| BE473455A (en:Method) * | 1946-07-25 | |||
| 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 |
| NL150509B (nl) * | 1949-05-23 | Lepetit Spa | Werkwijze voor de bereiding van rifamycine b door fermentatie van een stam van streptomyces mediterranei. | |
| NL81976C (en:Method) * | 1949-06-02 | |||
| BE500868A (en:Method) * | 1950-01-28 | |||
| FR1040574A (fr) * | 1950-06-02 | 1953-10-16 | Int Standard Electric Corp | Systèmes de commutation électronique |
| NL85263C (en:Method) * | 1950-10-13 | |||
| US2831061A (en) * | 1952-08-02 | 1958-04-15 | Int Standard Electric Corp | Circuit arrangement for transmitting signal over telephone lines |
| US2771599A (en) * | 1953-03-06 | 1956-11-20 | Marchant Calculators Inc | Readout mechanism |
| BE555540A (en:Method) * | 1953-07-03 | |||
| DE1012334B (de) * | 1956-06-15 | 1957-07-18 | Standard Elektrik Ag | Schaltungsanordnung zur Identifizierung von gruppenweise aufgeteilten Leitungen |
| GB916636A (en) * | 1959-01-05 | 1963-01-23 | Ass Elect Ind | Improvements relating to automatic telecommunication switching systems |
| DE1222989B (de) * | 1962-03-17 | 1966-08-18 | Arnstadt Fernmeldewerk | Schaltungsanordnung fuer Teilnehmerschaltungen mit zwei Teilnehmern je Anschlussleitung in elektronisch gesteuerten Fernsprechanlagen |
-
0
- BE BE477655D patent/BE477655A/xx unknown
-
1941
- 1941-08-15 GB GB10399/41A patent/GB551328A/en not_active Expired
-
1942
- 1942-04-18 US US439495A patent/US2338242A/en not_active Expired - Lifetime
-
1946
- 1946-09-14 FR FR933642D patent/FR933642A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2338242A (en) | 1944-01-04 |
| GB551328A (en) | 1943-02-17 |
| FR933642A (fr) | 1948-04-27 |