NL31718C - - Google Patents
Info
- Publication number
- NL31718C NL31718C NL31718DA NL31718C NL 31718 C NL31718 C NL 31718C NL 31718D A NL31718D A NL 31718DA NL 31718 C NL31718 C NL 31718C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/17—Time-division multiplex systems in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/18—Time-division multiplex systems using frequency compression and subsequent expansion of the individual signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL357024X | 1929-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL31718C true NL31718C (en) |
Family
ID=19785261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL31718D NL31718C (en) | 1929-12-04 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1852727A (en) |
| DE (1) | DE592599C (en) |
| GB (1) | GB357024A (en) |
| NL (1) | NL31718C (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2425314A (en) * | 1943-09-16 | 1947-08-12 | Rca Corp | Pulse communication system |
| US2481398A (en) * | 1945-06-29 | 1949-09-06 | Armour Res Found | Selector system for magnetic wire reproducers |
| US2506437A (en) * | 1946-06-01 | 1950-05-02 | Bell Telephone Labor Inc | Combined voice and facsimile system |
| US2881251A (en) * | 1953-12-31 | 1959-04-07 | Strip Joseph | Apparatus for time multiplexing speech and short bursts of information |
| US2972023A (en) * | 1956-08-10 | 1961-02-14 | Singer Rudolf | Apparatus for repeating the last position of a magnetic recording |
| US2966552A (en) * | 1958-04-28 | 1960-12-27 | Aerosystronics Corp | System and apparatus for superimposing voice-time messages on signal recordings |
| US3281542A (en) * | 1964-02-20 | 1966-10-25 | Impulseller Inc | Switching device |
| GB1039664A (en) * | 1964-06-11 | 1966-08-17 | Standard Telephones Cables Ltd | Improvements in or relating to telecommunication systems |
| US4012597A (en) * | 1975-11-24 | 1977-03-15 | Motorola, Inc. | Transmission trunk multichannel dispatch system with priority queuing |
| USRE32789E (en) * | 1975-11-24 | 1988-11-22 | Motorola, Inc. | Transmission trunk multichannel dispatch system with priority queuing |
| US4920565A (en) * | 1988-07-18 | 1990-04-24 | Northern Telecom Limited | Method for connection of secure conference calls |
-
0
- NL NL31718D patent/NL31718C/xx active
-
1930
- 1930-11-21 DE DE1930592599D patent/DE592599C/en not_active Expired
- 1930-12-02 GB GB36329/30A patent/GB357024A/en not_active Expired
- 1930-12-04 US US500149A patent/US1852727A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE592599C (en) | 1934-02-10 |
| GB357024A (en) | 1931-09-17 |
| US1852727A (en) | 1932-04-05 |