GB375725A - Improvements in or relating to modulation circuit arrangements for wireless signalling and the like - Google Patents
Improvements in or relating to modulation circuit arrangements for wireless signalling and the likeInfo
- Publication number
- GB375725A GB375725A GB2286/32A GB228632A GB375725A GB 375725 A GB375725 A GB 375725A GB 2286/32 A GB2286/32 A GB 2286/32A GB 228632 A GB228632 A GB 228632A GB 375725 A GB375725 A GB 375725A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- modulating
- impedance
- relating
- grid
- 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
- 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
- H03C1/22—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid modulating signal applied to same grid
Landscapes
- Amplitude Modulation (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
Abstract
375,725. Valve modulating circuits. TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIE, 12, Hallesches Ufer, Berlin. Jan. 25, 1932, No. 2286. Convention date, Jan. 24, 1931. [Class 40 (v).] In a modulating arrangement of the kind in which a modulating-valve M is connected in the grid direct-current path of a high-frequency valve V, an impedance RR is connected in series with the valve M, and the voltage across this impedance is applied across the grid and filament of a third valve RV. The plate circuit of the valve RV includes a battery Ez and is connected across the valve M and impedance RR. The modulating voltage is applied to the grid of the valve M. Specification 266,722, [Class 40 (v), Wireless signalling &c.], is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE375725X | 1931-01-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB375725A true GB375725A (en) | 1932-06-30 |
Family
ID=6344129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2286/32A Expired GB375725A (en) | 1931-01-24 | 1932-01-25 | Improvements in or relating to modulation circuit arrangements for wireless signalling and the like |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US1963117A (en) |
| GB (1) | GB375725A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2970282A (en) * | 1954-12-31 | 1961-01-31 | Siemens Ag | Modulator circuit arrangement |
-
1932
- 1932-01-21 US US587843A patent/US1963117A/en not_active Expired - Lifetime
- 1932-01-25 GB GB2286/32A patent/GB375725A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2970282A (en) * | 1954-12-31 | 1961-01-31 | Siemens Ag | Modulator circuit arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| US1963117A (en) | 1934-06-19 |
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