GB481527A - Improvements in or relating to multiplex radio signalling systems - Google Patents
Improvements in or relating to multiplex radio signalling systemsInfo
- Publication number
- GB481527A GB481527A GB24941/36A GB2494136A GB481527A GB 481527 A GB481527 A GB 481527A GB 24941/36 A GB24941/36 A GB 24941/36A GB 2494136 A GB2494136 A GB 2494136A GB 481527 A GB481527 A GB 481527A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frequency
- channels
- systems
- carrier
- relating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000011664 signaling Effects 0.000 title abstract 2
- 239000000969 carrier Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/20—Frequency-division multiplex systems in which at least one carrier is angle-modulated
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
- H04B14/006—Angle modulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40548A US2104012A (en) | 1935-09-14 | 1935-09-14 | Multiplex radio signaling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB481527A true GB481527A (en) | 1938-03-14 |
Family
ID=21911589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB24941/36A Expired GB481527A (en) | 1935-09-14 | 1936-09-12 | Improvements in or relating to multiplex radio signalling systems |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2104012A (en:Method) |
| FR (1) | FR811208A (en:Method) |
| GB (1) | GB481527A (en:Method) |
| NL (1) | NL51362C (en:Method) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE480549A (en:Method) * | 1938-11-12 | |||
| US2481516A (en) * | 1946-03-22 | 1949-09-13 | Lance R Jacobsen | Mobile telephone system |
| US2621325A (en) * | 1946-08-20 | 1952-12-09 | Radio Electr Soc Fr | Plural modulation multiplex system |
| US2546307A (en) * | 1947-10-01 | 1951-03-27 | Walter C Johnson | Limiter circuit for telemetering systems |
| US2776429A (en) * | 1951-01-27 | 1957-01-01 | Multiplex Dev Corp | Multiplex communications system |
| US3222452A (en) * | 1956-07-16 | 1965-12-07 | Jr Thomas A Banning | Pre-pay or subscription radio or television operations |
| US3854094A (en) * | 1972-11-01 | 1974-12-10 | Regency Electronics | Crystal controlled, frequency modulated transmitter |
-
0
- NL NL51362D patent/NL51362C/xx active
-
1935
- 1935-09-14 US US40548A patent/US2104012A/en not_active Expired - Lifetime
-
1936
- 1936-09-12 GB GB24941/36A patent/GB481527A/en not_active Expired
- 1936-09-14 FR FR811208D patent/FR811208A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL51362C (en:Method) | |
| FR811208A (fr) | 1937-04-09 |
| US2104012A (en) | 1938-01-04 |
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