GB515047A - Improvements in or relating to modulator circuit arrangements for high-frequency electrical signalling - Google Patents
Improvements in or relating to modulator circuit arrangements for high-frequency electrical signallingInfo
- Publication number
- GB515047A GB515047A GB12156/38A GB1215638A GB515047A GB 515047 A GB515047 A GB 515047A GB 12156/38 A GB12156/38 A GB 12156/38A GB 1215638 A GB1215638 A GB 1215638A GB 515047 A GB515047 A GB 515047A
- Authority
- GB
- United Kingdom
- Prior art keywords
- modulation
- valves
- grids
- frequency
- modulator
- 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
- 230000011664 signaling Effects 0.000 title 1
- 230000004048 modification Effects 0.000 abstract 3
- 238000012986 modification Methods 0.000 abstract 3
- 238000010079 rubber tapping Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/16—Amplitude modulation by means of discharge device having at least three electrodes
- H03C1/18—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid
- H03C1/20—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid modulating signal applied to anode
Landscapes
- Amplifiers (AREA)
- Amplitude Modulation (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL61000D NL61000C (fr) | 1938-04-22 | ||
GB12156/38A GB515047A (en) | 1938-04-22 | 1938-04-22 | Improvements in or relating to modulator circuit arrangements for high-frequency electrical signalling |
FR853324D FR853324A (fr) | 1938-04-22 | 1939-04-22 | Perfectionnements aux systèmes de circuits de modulation pour la signalisation électrique à haute fréquence |
US272076A US2243193A (en) | 1938-04-22 | 1939-05-06 | Modulation system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB12156/38A GB515047A (en) | 1938-04-22 | 1938-04-22 | Improvements in or relating to modulator circuit arrangements for high-frequency electrical signalling |
Publications (1)
Publication Number | Publication Date |
---|---|
GB515047A true GB515047A (en) | 1939-11-24 |
Family
ID=9999360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB12156/38A Expired GB515047A (en) | 1938-04-22 | 1938-04-22 | Improvements in or relating to modulator circuit arrangements for high-frequency electrical signalling |
Country Status (4)
Country | Link |
---|---|
US (1) | US2243193A (fr) |
FR (1) | FR853324A (fr) |
GB (1) | GB515047A (fr) |
NL (1) | NL61000C (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3021074A (en) * | 1957-05-08 | 1962-02-13 | Socony Mobil Oil Co Inc | Electroic triode bridge multiplier |
-
0
- NL NL61000D patent/NL61000C/xx active
-
1938
- 1938-04-22 GB GB12156/38A patent/GB515047A/en not_active Expired
-
1939
- 1939-04-22 FR FR853324D patent/FR853324A/fr not_active Expired
- 1939-05-06 US US272076A patent/US2243193A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR853324A (fr) | 1940-03-15 |
US2243193A (en) | 1941-05-27 |
NL61000C (fr) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB537076A (en) | Improvements in or relating to apparatus for producing amplitude modulated waves in radio transmitters | |
GB515047A (en) | Improvements in or relating to modulator circuit arrangements for high-frequency electrical signalling | |
GB491805A (en) | Improvements in or relating to methods of modulating carrier waves and circuits therefor | |
GB541006A (en) | Television synchronizing and control system | |
US2423866A (en) | Wave separator | |
US2298099A (en) | Modulation | |
GB616512A (en) | Improvements in or relating to modulator circuit arrangements | |
US1915378A (en) | Wave generation | |
GB662677A (en) | Phase inverter system | |
US2282347A (en) | Modulation system | |
US2870269A (en) | Electronic amplifiers | |
GB720929A (en) | Balanced modulator circuit, particularly for use in radio or line carrier systems | |
US1790576A (en) | Modulating system | |
GB1227439A (fr) | ||
US2538535A (en) | Radio transmitter | |
GB420019A (en) | Process and apparatus for the electric transmission of signals by high frequency waves | |
GB526368A (en) | Improvements in or relating to electric circuit arrangements comprising a valve adapted simultaneously to generate and amplify oscillations of different frequency | |
GB658684A (en) | High-frequency valve transmitters modulated by anode control | |
GB471128A (en) | Improvements in or relating to modulated carrier wave transmitters | |
GB259197A (en) | Improvements in electric power amplifiers | |
GB541120A (en) | Improvements relating to the modulation of magnetron oscillators | |
GB420754A (en) | Improvements in or relating to thermionic apparatus for the production or amplification of ultra short waves | |
GB533485A (en) | Improvements in or relating to systems for modulating a carrier oscillation or for amplifying a modulated oscillation | |
GB342732A (en) | Arrangement for operating wireless transmitting apparatus | |
GB438018A (en) | Improvements in or relating to modulated high frequency circuit arrangements |