FR1066424A - Modulateur mécanique - Google Patents
Modulateur mécaniqueInfo
- Publication number
- FR1066424A FR1066424A FR1066424DA FR1066424A FR 1066424 A FR1066424 A FR 1066424A FR 1066424D A FR1066424D A FR 1066424DA FR 1066424 A FR1066424 A FR 1066424A
- Authority
- FR
- France
- Prior art keywords
- mechanical modulator
- modulator
- mechanical
- 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
- H03C7/00—Modulating electromagnetic waves
- H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US255766A US2660709A (en) | 1951-11-10 | 1951-11-10 | Mechanical modulator |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1066424A true FR1066424A (fr) | 1954-06-04 |
Family
ID=22969760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1066424D Expired FR1066424A (fr) | 1951-11-10 | 1952-11-10 | Modulateur mécanique |
Country Status (7)
Country | Link |
---|---|
US (1) | US2660709A (de) |
BE (1) | BE515436A (de) |
CH (1) | CH309360A (de) |
DE (1) | DE939881C (de) |
FR (1) | FR1066424A (de) |
GB (1) | GB707520A (de) |
IT (1) | IT500059A (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2840700A (en) * | 1954-06-30 | 1958-06-24 | Jewel D Browder | Electrode very low frequency radio receiving antenna for submarines |
US2857553A (en) * | 1956-02-23 | 1958-10-21 | Gordon Van B King | Spiral sweep generator |
FR1458197A (fr) * | 1965-06-02 | 1966-03-04 | Montages Electr Atel | Modulateur mécanique et applications |
US5839062A (en) * | 1994-03-18 | 1998-11-17 | The Regents Of The University Of California | Mixing, modulation and demodulation via electromechanical resonators |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2228692A (en) * | 1938-10-14 | 1941-01-14 | Washington Inst Of Technology | Load stabilizing means for modulation systems |
BE456046A (de) * | 1939-08-03 | |||
US2368693A (en) * | 1942-07-04 | 1945-02-06 | Standard Telephones Cables Ltd | Modulation system |
FR954971A (de) * | 1943-11-06 | 1950-01-06 |
-
0
- BE BE515436D patent/BE515436A/xx unknown
- IT IT500059D patent/IT500059A/it unknown
-
1951
- 1951-11-10 US US255766A patent/US2660709A/en not_active Expired - Lifetime
-
1952
- 1952-10-10 GB GB25438/52A patent/GB707520A/en not_active Expired
- 1952-11-07 DE DEI6543A patent/DE939881C/de not_active Expired
- 1952-11-10 FR FR1066424D patent/FR1066424A/fr not_active Expired
- 1952-11-10 CH CH309360D patent/CH309360A/de unknown
Also Published As
Publication number | Publication date |
---|---|
US2660709A (en) | 1953-11-24 |
BE515436A (de) | 1900-01-01 |
IT500059A (de) | 1900-01-01 |
GB707520A (en) | 1954-04-21 |
CH309360A (de) | 1955-08-31 |
DE939881C (de) | 1956-03-08 |
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