NL83428C - - Google Patents
Info
- Publication number
- NL83428C NL83428C NL83428DA NL83428C NL 83428 C NL83428 C NL 83428C NL 83428D A NL83428D A NL 83428DA NL 83428 C NL83428 C NL 83428C
- Authority
- NL
- Netherlands
Links
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
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/06—Means for changing frequency deviation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Amplitude Modulation (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US96605A US2630497A (en) | 1949-06-01 | 1949-06-01 | Frequency modulation multiplex system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL83428C true NL83428C (xx) |
Family
ID=22258170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL83428D NL83428C (xx) | 1949-06-01 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2630497A (xx) |
| DE (1) | DE845219C (xx) |
| FR (1) | FR1021365A (xx) |
| GB (1) | GB668030A (xx) |
| NL (1) | NL83428C (xx) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2776429A (en) * | 1951-01-27 | 1957-01-01 | Multiplex Dev Corp | Multiplex communications system |
| US2835803A (en) * | 1953-10-12 | 1958-05-20 | Esther Marion Armstrong | Linear detector for subcarrier frequency modulated waves |
| BE532478A (xx) * | 1953-10-12 | |||
| BE532479A (xx) * | 1953-10-12 | |||
| US2871292A (en) * | 1953-10-12 | 1959-01-27 | Esther Marion Armstrong | Noise reduction in phase shift modulation |
| US2879335A (en) * | 1953-10-12 | 1959-03-24 | Esther Marion Armstrong | Stabilized multiplex frequency modulation receiver |
| US2917623A (en) * | 1953-10-20 | 1959-12-15 | Murray G Crosby | Frequency modulation communication system |
| US3378773A (en) * | 1965-09-13 | 1968-04-16 | Gen Dynamics Corp | Frequency and amplitude modulation transmitter and modulator |
| FR1603931A (xx) * | 1967-12-30 | 1971-06-14 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1861462A (en) * | 1928-05-03 | 1932-06-07 | Westinghouse Electric & Mfg Co | Radio station |
| GB489716A (en) * | 1937-02-02 | 1938-08-02 | Baird Television Ltd | Improvements in or relating to methods of modulating television and like signals upon carrier waves |
| US2407308A (en) * | 1941-01-16 | 1946-09-10 | Lorenzen Robert | Method and apparatus for secret signaling |
| BE464120A (xx) * | 1945-03-28 | |||
| US2421727A (en) * | 1945-04-09 | 1947-06-03 | Rca Corp | Multiplex system having channels added at a relay station |
| CH249976A (de) * | 1945-12-15 | 1947-07-31 | Patelhold Patentverwertung | Verfahren und Einrichtung für eine Zweikanalübertragung. |
| US2523222A (en) * | 1947-04-05 | 1950-09-19 | Raytheon Mfg Co | Frequency modulation system |
-
0
- NL NL83428D patent/NL83428C/xx active
-
1949
- 1949-06-01 US US96605A patent/US2630497A/en not_active Expired - Lifetime
-
1950
- 1950-05-15 GB GB12058/50A patent/GB668030A/en not_active Expired
- 1950-05-26 FR FR1021365D patent/FR1021365A/fr not_active Expired
- 1950-05-28 DE DEA1744A patent/DE845219C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2630497A (en) | 1953-03-03 |
| FR1021365A (fr) | 1953-02-18 |
| DE845219C (de) | 1952-07-31 |
| GB668030A (en) | 1952-03-12 |