BE552603A - - Google Patents
Info
- Publication number
- BE552603A BE552603A BE552603DA BE552603A BE 552603 A BE552603 A BE 552603A BE 552603D A BE552603D A BE 552603DA BE 552603 A BE552603 A BE 552603A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US548611A US2854516A (en) | 1955-11-23 | 1955-11-23 | Electronic telephone system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE552603A true BE552603A (it) |
Family
ID=24189625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE552603D BE552603A (it) | 1955-11-23 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US2854516A (it) |
| BE (1) | BE552603A (it) |
| DE (1) | DE1114227B (it) |
| FR (1) | FR1162775A (it) |
| GB (1) | GB841836A (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL253766A (it) * | 1959-07-13 | |||
| NL255653A (it) * | 1959-09-30 | |||
| US3065307A (en) * | 1959-10-12 | 1962-11-20 | Automatic Elect Lab | Electronic telephone systems and ringing arrangements therefor |
| US3046348A (en) * | 1959-10-12 | 1962-07-24 | Automatic Elect Lab | Memory for use in electronic telephone system |
| BE626082A (it) * | 1961-03-03 | |||
| US4150260A (en) * | 1975-06-18 | 1979-04-17 | Hitachi, Ltd. | Subscriber's circuit for four-wire-system local switch |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB571994A (en) * | 1944-01-22 | 1945-09-18 | Automatic Telephone & Elect | Improvements in or relating to telephone or like systems |
| NL71879C (it) * | 1945-11-14 | |||
| FR974379A (it) * | 1947-10-27 | 1951-02-21 | ||
| NL79067C (it) * | 1950-12-16 | |||
| US2680160A (en) * | 1951-09-15 | 1954-06-01 | Bell Telephone Labor Inc | Bias circuit for transistor amplifiers |
| US2747020A (en) * | 1951-11-24 | 1956-05-22 | Gen Electric Co Ltd | Telecommunication systems embodying automatic exchanges |
| DE920492C (de) * | 1952-03-12 | 1954-11-22 | Siemens Ag | Schaltungsanordnung zur praktisch gleichzeitigen UEbertragung mehrerer Nachrichten ueber einen gemeinsamen Verbindungsweg, insbesondere in Fernsprechanlagen |
-
0
- BE BE552603D patent/BE552603A/xx unknown
- US US25139D patent/USRE25139E/en not_active Expired
-
1955
- 1955-11-23 US US548611A patent/US2854516A/en not_active Expired - Lifetime
-
1956
- 1956-10-29 GB GB32992/56A patent/GB841836A/en not_active Expired
- 1956-11-12 FR FR1162775D patent/FR1162775A/fr not_active Expired
- 1956-11-17 DE DEA26040A patent/DE1114227B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| USRE25139E (en) | 1962-03-20 |
| DE1114227B (de) | 1961-09-28 |
| US2854516A (en) | 1958-09-30 |
| FR1162775A (fr) | 1958-09-17 |
| GB841836A (en) | 1960-07-20 |