FR896312A - Method of transmitting messages by means of frequency modulated carrier waves - Google Patents
Method of transmitting messages by means of frequency modulated carrier wavesInfo
- Publication number
- FR896312A FR896312A FR896312DA FR896312A FR 896312 A FR896312 A FR 896312A FR 896312D A FR896312D A FR 896312DA FR 896312 A FR896312 A FR 896312A
- Authority
- FR
- France
- Prior art keywords
- carrier waves
- frequency modulated
- modulated carrier
- transmitting messages
- messages
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/10—Angle modulation by means of variable impedance
- H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE212301X | 1939-01-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR896312A true FR896312A (en) | 1945-02-19 |
Family
ID=5807385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR896312D Expired FR896312A (en) | 1939-01-16 | 1943-07-12 | Method of transmitting messages by means of frequency modulated carrier waves |
Country Status (3)
Country | Link |
---|---|
US (1) | US2288575A (en) |
CH (1) | CH212301A (en) |
FR (1) | FR896312A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1541519B1 (en) * | 1966-03-04 | 1970-05-21 | Nippon Electric Co | Angular modulation communication system |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2510906A (en) * | 1945-03-24 | 1950-06-06 | Avco Mfg Corp | Frequency modulation receiver |
US2704809A (en) * | 1945-06-14 | 1955-03-22 | Williams Frederic Calland | Wireless signalling systems |
US2490277A (en) * | 1945-12-22 | 1949-12-06 | Colonial Radio Corp | Frequency modulation phonograph system |
US2564014A (en) * | 1947-07-09 | 1951-08-14 | Andre A Carlier | System for receiving communication signals without disturbance |
BE486057A (en) * | 1947-11-28 | |||
US2549505A (en) * | 1948-09-09 | 1951-04-17 | Bell Telephone Labor Inc | Phase or frequency modulation system |
US2969422A (en) * | 1951-11-30 | 1961-01-24 | Rca Corp | Color synchronization for color television |
US2830176A (en) * | 1953-12-01 | 1958-04-08 | Robert J Howell | Frequency modulation |
-
1939
- 1939-10-23 CH CH212301D patent/CH212301A/en unknown
-
1940
- 1940-05-31 US US338012A patent/US2288575A/en not_active Expired - Lifetime
-
1943
- 1943-07-12 FR FR896312D patent/FR896312A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1541519B1 (en) * | 1966-03-04 | 1970-05-21 | Nippon Electric Co | Angular modulation communication system |
Also Published As
Publication number | Publication date |
---|---|
CH212301A (en) | 1940-11-15 |
US2288575A (en) | 1942-06-30 |
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