FR783004A - Modulation system for radio communication - Google Patents
Modulation system for radio communicationInfo
- Publication number
- FR783004A FR783004A FR783004DA FR783004A FR 783004 A FR783004 A FR 783004A FR 783004D A FR783004D A FR 783004DA FR 783004 A FR783004 A FR 783004A
- Authority
- FR
- France
- Prior art keywords
- radio communication
- modulation system
- modulation
- 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
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/44—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C7/00—Modulating electromagnetic waves
- H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/10—Polarisation diversity; Directional diversity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18056—Rotary to or from reciprocating or oscillating
- Y10T74/18144—Overcoming dead center
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
- Audible And Visible Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US703802A US2051537A (en) | 1933-12-23 | 1933-12-23 | Modulation system |
Publications (1)
Publication Number | Publication Date |
---|---|
FR783004A true FR783004A (en) | 1935-07-06 |
Family
ID=24826837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR783004D Expired FR783004A (en) | 1933-12-23 | 1934-12-19 | Modulation system for radio communication |
Country Status (3)
Country | Link |
---|---|
US (1) | US2051537A (en) |
FR (1) | FR783004A (en) |
GB (1) | GB433842A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1000061B (en) * | 1951-06-18 | 1957-01-03 | Int Standard Electric Corp | Process for influencing high frequency vibrations with the help of magnetic or electric fields |
DE972329C (en) * | 1951-05-26 | 1959-07-02 | Western Electric Co | Device for influencing linear or plane polarized waves in the microwave range |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2464269A (en) * | 1942-06-12 | 1949-03-15 | Raytheon Mfg Co | Method and means for controlling the polarization of radiant energy |
US2473613A (en) * | 1942-07-09 | 1949-06-21 | Raytheon Mfg Co | Communication system |
US2489075A (en) * | 1943-04-17 | 1949-11-22 | Gen Electric | Pulse echo testing apparatus |
US2514679A (en) * | 1944-06-16 | 1950-07-11 | Bell Telephone Labor Inc | Wave transmission |
US2531951A (en) * | 1944-08-02 | 1950-11-28 | W I Westervelt | Interference reducing method of secret communication |
US2508571A (en) * | 1945-02-08 | 1950-05-23 | Us Sec War | Radio echo detection apparatus |
NL144629B (en) * | 1948-02-06 | Shell Int Research | PROCESS FOR PREPARING SOLUBLE CONDENSATION PRODUCTS AND WATER DILUTABLE PAINT BINDERS. | |
US2707749A (en) * | 1949-06-21 | 1955-05-03 | Rines Robert Harvey | System of light beam communication |
US2814783A (en) * | 1950-05-17 | 1957-11-26 | Bell Telephone Labor Inc | Magnetically controllable transmission system |
US2768354A (en) * | 1951-05-26 | 1956-10-23 | Bell Telephone Labor Inc | Gyromagnetic resonance type microwave mode converter |
US3895300A (en) * | 1952-03-11 | 1975-07-15 | Itt | Electronic mixer and converter |
US2798205A (en) * | 1952-05-28 | 1957-07-02 | Bell Telephone Labor Inc | Magnetically controllable transmission system |
US2743322A (en) * | 1952-11-29 | 1956-04-24 | Bell Telephone Labor Inc | Solid state amplifier |
US2832053A (en) * | 1953-10-27 | 1958-04-22 | Robert H Dicke | Microwave apparatus and methods utilizing gas cells |
US2802944A (en) * | 1953-12-30 | 1957-08-13 | Rca Corp | Oscillators employing microwave resonant substance |
US2922126A (en) * | 1954-06-24 | 1960-01-19 | Bell Telephone Labor Inc | Nonreciprocal wave guide component |
US2842747A (en) * | 1954-09-03 | 1958-07-08 | Itt | Self-triggered microwave attenuator |
US3000598A (en) * | 1954-09-30 | 1961-09-19 | George B Bush | Roll stabilization system |
US2857574A (en) * | 1954-12-23 | 1958-10-21 | Hazeltine Research Inc | Tunable electrical resonator |
US2735092A (en) * | 1955-04-04 | 1956-02-14 | Guide space | |
US2982909A (en) * | 1955-08-22 | 1961-05-02 | Sylvania Electric Prod | Broadband microwave frequency meter |
US2965863A (en) * | 1956-06-19 | 1960-12-20 | Bell Telephone Labor Inc | Magnetic tuned cavity resonator |
US2844724A (en) * | 1957-05-22 | 1958-07-22 | Gen Precision Lab Inc | Microwave frequency modulation transducer |
GB895131A (en) * | 1958-01-13 | 1962-05-02 | Gen Electric Co Ltd | Improvements in or relating to modulators for use in microwave systems |
US3246158A (en) * | 1961-02-10 | 1966-04-12 | Varian Associates | Optical detectors |
US3300721A (en) * | 1964-04-29 | 1967-01-24 | Stuart L Seaton | Means for communicating through a layer of ionized gases |
-
1933
- 1933-12-23 US US703802A patent/US2051537A/en not_active Expired - Lifetime
-
1934
- 1934-12-19 FR FR783004D patent/FR783004A/en not_active Expired
- 1934-12-24 GB GB36980/34A patent/GB433842A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE972329C (en) * | 1951-05-26 | 1959-07-02 | Western Electric Co | Device for influencing linear or plane polarized waves in the microwave range |
DE1000061B (en) * | 1951-06-18 | 1957-01-03 | Int Standard Electric Corp | Process for influencing high frequency vibrations with the help of magnetic or electric fields |
Also Published As
Publication number | Publication date |
---|---|
GB433842A (en) | 1935-08-21 |
US2051537A (en) | 1936-08-18 |
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