FR766792A - Oscillator-modulator - Google Patents
Oscillator-modulatorInfo
- Publication number
- FR766792A FR766792A FR766792DA FR766792A FR 766792 A FR766792 A FR 766792A FR 766792D A FR766792D A FR 766792DA FR 766792 A FR766792 A FR 766792A
- Authority
- FR
- France
- Prior art keywords
- modulator
- oscillator
- 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
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
- H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
- H04B15/06—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder by local oscillators of receivers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
- H03D7/10—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between different pairs of electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US651755A US2034013A (en) | 1933-01-14 | 1933-01-14 | Oscillator modulator |
Publications (1)
Publication Number | Publication Date |
---|---|
FR766792A true FR766792A (en) | 1934-07-04 |
Family
ID=24614104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR766792D Expired FR766792A (en) | 1933-01-14 | 1934-01-09 | Oscillator-modulator |
Country Status (6)
Country | Link |
---|---|
US (1) | US2034013A (en) |
BE (1) | BE400782A (en) |
DE (1) | DE971556C (en) |
FR (1) | FR766792A (en) |
GB (1) | GB408903A (en) |
NL (1) | NL45199C (en) |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1558437A (en) * | 1913-10-29 | 1925-10-20 | Gen Electric | Electrical discharge apparatus |
US1199180A (en) * | 1915-10-09 | 1916-09-26 | Western Electric Co | System for the transmission of intelligence. |
AT87745B (en) * | 1916-05-31 | 1922-03-27 | Siemens Ag | Cathode ray relay. |
FR505897A (en) * | 1916-06-21 | 1920-08-09 | Siemens Ag | Vacuum tube with glow wire and auxiliary electrode for controlling the electron current |
DE383449C (en) * | 1919-08-14 | 1923-11-08 | John Scott Taggart | Receiving arrangement for wireless waves using a tube with two grids and two control circuits connected to one of the grids |
FR40726E (en) * | 1927-06-04 | 1932-08-22 | Electronic tube and its various assembly diagrams | |
BE352800A (en) * | 1927-07-13 | |||
FR648810A (en) * | 1927-10-22 | 1928-12-14 | Electronic tube and its various assembly diagrams | |
FR655738A (en) * | 1927-10-22 | 1929-04-23 | Improvements to multi-electrode electron tube frequency changing devices | |
FR670731A (en) * | 1929-03-04 | 1929-12-04 | Radio Sonore Et Hippolyte Shap | Method and arrangements for implementing the modulation reception method |
FR704534A (en) * | 1930-01-17 | 1931-05-21 | Thomson Houston Comp Francaise | Improvements to special frequency changing oscillating lamps |
DE655254C (en) * | 1930-02-21 | 1938-01-12 | L L Von Kramolin | Overlay receiver with an intermediate frequency formation in a multi-grating tube |
FR709196A (en) * | 1930-04-11 | 1931-08-04 | Multiple combination station device | |
FR726537A (en) * | 1931-01-22 | 1932-05-30 | Radiotechnique | New ways of coupling circuits in devices intended to change the frequency of radio signals |
DE744143C (en) * | 1932-06-05 | 1944-01-26 | Telefunken Gmbh | Overlay receiver with a multi-grid mixing tube |
DE653317C (en) * | 1932-07-24 | 1937-11-20 | Telefunken Gmbh | Electron tubes with cathode, anode and at least four grid electrodes |
FR684772A (en) * | 1932-07-24 | 1930-07-01 | Advanced training in radio receivers | |
DE667683C (en) * | 1932-10-16 | 1938-11-18 | Telefunken Gmbh | Electron tubes with at least three grids arranged between an outermost electrode and the cathode |
-
0
- NL NL45199D patent/NL45199C/xx active
-
1933
- 1933-01-14 US US651755A patent/US2034013A/en not_active Expired - Lifetime
- 1933-11-11 GB GB31489/33A patent/GB408903A/en not_active Expired
-
1934
- 1934-01-09 BE BE400782D patent/BE400782A/xx unknown
- 1934-01-09 FR FR766792D patent/FR766792A/en not_active Expired
- 1934-01-14 DE DEH7333D patent/DE971556C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE400782A (en) | 1934-02-28 |
DE971556C (en) | 1959-02-19 |
NL45199C (en) | |
US2034013A (en) | 1936-03-17 |
GB408903A (en) | 1934-04-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR766792A (en) | Oscillator-modulator | |
FI15031A (en) | Rakblad | |
FI15226A (en) | Riktat antennsystem | |
FI15038A (en) | Skidbindning | |
FI14907A (en) | Tvätt- och rengöringsmedel | |
FI14918A (en) | Centraluppvärmningspanna | |
FI14919A (en) | Eldstadsrost | |
FI14925A (en) | Dubbelottoman | |
FI14939A (en) | Mekanisk omkastningskoppling | |
FI14942A (en) | Färgskiftande skylt | |
FI14944A (en) | Cellulosakokare | |
FI14948A (en) | Hopfällbar brandstege | |
FI14964A (en) | Rotorande etiketteringsmaskin | |
FI14985A (en) | Sjökabel | |
FI15338A (en) | Snösmältningsapparat | |
FI15324A (en) | Suksiside | |
FI15298A (en) | Stockvagn | |
FI15269A (en) | Dörr- eller fönsterhasp | |
FI15267A (en) | Polerdyna | |
FI15266A (en) | Bromsanordning | |
FI15246A (en) | Räkneanordning | |
FI15239A (en) | Barkningstrumma | |
FI15235A (en) | Sughuv | |
FI14987A (en) | Svetsningsmaskin | |
FI15208A (en) | Suksiside |