FR771091A - Procédé et installation de radiocommunication - Google Patents
Procédé et installation de radiocommunicationInfo
- Publication number
- FR771091A FR771091A FR771091DA FR771091A FR 771091 A FR771091 A FR 771091A FR 771091D A FR771091D A FR 771091DA FR 771091 A FR771091 A FR 771091A
- Authority
- FR
- France
- Prior art keywords
- installation
- radio communication
- communication method
- radio
- communication
- 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
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C5/00—Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Noise Elimination (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US653237A US1941069A (en) | 1933-01-24 | 1933-01-24 | Radiosignaling |
Publications (1)
Publication Number | Publication Date |
---|---|
FR771091A true FR771091A (fr) | 1934-09-29 |
Family
ID=24620034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR771091D Expired FR771091A (fr) | 1933-01-24 | 1934-01-24 | Procédé et installation de radiocommunication |
Country Status (6)
Country | Link |
---|---|
US (1) | US1941069A (fr) |
BE (1) | BE433916A (fr) |
DE (1) | DE924809C (fr) |
FR (1) | FR771091A (fr) |
GB (2) | GB426228A (fr) |
NL (1) | NL44760C (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB509820A (en) * | 1937-11-19 | 1939-07-19 | Edmond Maurice Deloraine | Improvements in or relating to electric signalling systems |
BE480549A (fr) * | 1938-11-12 | |||
DE927749C (de) * | 1942-05-12 | 1955-05-16 | Studiengesellschaft Fuer Elekt | Schaltungsanordnung zur Amplitudenbegrenzung |
DE972138C (de) * | 1943-12-31 | 1959-05-27 | Funkstrahl Ges Fuer Nachrichte | Anordnung zur Begrenzung der Amplitude von Wechselspannungen, insbesondere von frequenzmodulierten Schwingungen |
DE1277375B (de) * | 1964-11-06 | 1968-09-12 | Te Ka De Fernmeldeapp G M B H | Verfahren zur Frequenzmodulation relativ niedriger Traegerfrequenzen, insbesondere im km-Wellenbereich |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE361387C (de) * | 1920-02-28 | 1922-10-13 | Marconi Wireless Telegraph Co | Sender fuer drahtlose Telephonie |
DE424239C (de) * | 1920-08-31 | 1926-01-22 | Siemens & Halske Akt Ges | Verfahren zur drahtlosen Hochfrequenztelephonie |
US1599586A (en) * | 1922-04-27 | 1926-09-14 | John Hays Hammond Jr | Radiant signaling system |
US1885826A (en) * | 1926-12-08 | 1932-11-01 | American Telephone & Telegraph | System of photography employing frequency modulation |
US1941447A (en) * | 1927-05-18 | 1933-12-26 | Edwin H Armstrong | Radio telephone signaling |
GB290642A (en) * | 1927-05-18 | 1929-07-18 | Edwin Howard Armstrong | Improvements in radio telephone signalling |
US1819508A (en) * | 1927-08-11 | 1931-08-18 | Rca Corp | Communication by frequency variation |
US1872364A (en) * | 1927-10-08 | 1932-08-16 | Westinghouse Electric & Mfg Co | Radiotransmitting system |
US1867567A (en) * | 1929-02-01 | 1932-07-19 | Rca Corp | Detection of frequency modulated signals |
US1917102A (en) * | 1929-07-22 | 1933-07-04 | Gen Electric | Frequency modulation |
-
0
- BE BE433916D patent/BE433916A/xx unknown
- NL NL44760D patent/NL44760C/xx active
-
1933
- 1933-01-24 US US653237A patent/US1941069A/en not_active Expired - Lifetime
-
1934
- 1934-01-24 FR FR771091D patent/FR771091A/fr not_active Expired
- 1934-01-24 GB GB2436/34A patent/GB426228A/en not_active Expired
- 1934-01-24 GB GB2435/34A patent/GB426227A/en not_active Expired
- 1934-01-25 DE DEA2624D patent/DE924809C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE433916A (fr) | |
DE924809C (de) | 1955-03-07 |
NL44760C (fr) | 1900-01-01 |
GB426227A (en) | 1935-03-29 |
GB426228A (en) | 1935-03-29 |
US1941069A (en) | 1933-12-26 |
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