FR984147A - Modulateurs de signaux électriques - Google Patents
Modulateurs de signaux électriquesInfo
- Publication number
- FR984147A FR984147A FR984147DA FR984147A FR 984147 A FR984147 A FR 984147A FR 984147D A FR984147D A FR 984147DA FR 984147 A FR984147 A FR 984147A
- Authority
- FR
- France
- Prior art keywords
- electrical signal
- signal modulators
- modulators
- electrical
- signal
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/52—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using discharge tubes in series with the load as final control devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C5/00—Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal
- H03C5/02—Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal by means of transit-time tube
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Particle Accelerators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18812A US2492168A (en) | 1948-04-03 | 1948-04-03 | Modulator |
Publications (1)
Publication Number | Publication Date |
---|---|
FR984147A true FR984147A (fr) | 1951-07-02 |
Family
ID=21789891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR984147D Expired FR984147A (fr) | 1948-04-03 | 1949-04-02 | Modulateurs de signaux électriques |
Country Status (2)
Country | Link |
---|---|
US (1) | US2492168A (fr) |
FR (1) | FR984147A (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB657785A (en) * | 1948-11-24 | 1951-09-26 | James Alan Hutton | Method of and apparatus for producing amplitude modulated signals from a velocity-modulation electron discharge tube of the reflex type |
US2631269A (en) * | 1949-09-14 | 1953-03-10 | Rca Corp | Method and system for frequencymodulating stabilized oscillators |
US2629856A (en) * | 1949-12-19 | 1953-02-24 | Fed Telecomm Lab Inc | Ptm modulator and demodulator system |
US2750503A (en) * | 1952-11-14 | 1956-06-12 | Thomas L Gottier | Magnetron keying circuit |
US3061741A (en) * | 1958-10-03 | 1962-10-30 | Eckermann Gunter | Transistor circuit for selectively switching direct current energy to a load |
DE1103404B (de) * | 1958-10-16 | 1961-03-30 | Versuchsanstalt Fuer Luftfahrt | Verfahren und Schaltung zur Modulation von Reflexklystrons |
US3226656A (en) * | 1964-04-22 | 1965-12-28 | Rfd Inc | Variable frequency microwave cavity signal generator with regulated supply and feed-back compensation |
US3733551A (en) * | 1971-03-26 | 1973-05-15 | Microlab Fxr | Frequency stabilization apparatus and method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2120884A (en) * | 1935-01-07 | 1938-06-14 | Philadelphia Storage Battery | Regulator system |
BE474679A (fr) * | 1942-11-03 | |||
US2403716A (en) * | 1944-02-07 | 1946-07-09 | Stromberg Carlson Co | Combined amplifier and power supply circuit |
-
1948
- 1948-04-03 US US18812A patent/US2492168A/en not_active Expired - Lifetime
-
1949
- 1949-04-02 FR FR984147D patent/FR984147A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2492168A (en) | 1949-12-27 |
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