BE446775A - - Google Patents
Info
- Publication number
- BE446775A BE446775A BE446775DA BE446775A BE 446775 A BE446775 A BE 446775A BE 446775D A BE446775D A BE 446775DA BE 446775 A BE446775 A BE 446775A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
- H03F1/28—Modifications of amplifiers to reduce influence of noise generated by amplifying elements in discharge-tube amplifiers
-
- 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
-
- 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
- H03D7/02—Transference of modulation from one carrier to another, e.g. frequency-changing by means of diodes
-
- 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
- H03D7/08—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 the same two electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL231161X | 1941-08-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE446775A true BE446775A (de) |
Family
ID=19779960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE446775D BE446775A (de) | 1941-08-08 |
Country Status (6)
Country | Link |
---|---|
US (1) | US2430835A (de) |
BE (1) | BE446775A (de) |
CH (1) | CH231161A (de) |
DE (1) | DE856008C (de) |
FR (1) | FR884839A (de) |
NL (1) | NL62481C (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2548132A (en) * | 1945-07-17 | 1951-04-10 | Sylvania Electric Prod | Superheterodyne receiver employing triode converters |
BE473522A (de) * | 1946-05-28 | |||
BE474392A (de) * | 1946-06-22 | |||
BE486760A (de) * | 1948-01-12 | |||
US2601467A (en) * | 1948-08-31 | 1952-06-24 | Rca Corp | Triode mixer construction |
NL84011C (de) * | 1953-02-12 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE655256C (de) * | 1938-01-12 | Leo Pungs Dr Ing | Einrichtung zum Zwischenfrequenzempfang | |
US1742773A (en) * | 1926-12-18 | 1930-01-07 | Rca Corp | Radio signaling system |
US2058430A (en) * | 1932-04-27 | 1936-10-27 | Harold F Elliott | Modulator and demodulator |
US2227604A (en) * | 1938-01-29 | 1941-01-07 | Rca Corp | Ultra high frequency device |
US2236801A (en) * | 1939-03-13 | 1941-04-01 | Albert P Mcdonald | Vitreous clay conduit rest section |
US2253853A (en) * | 1939-07-09 | 1941-08-26 | Haantjes Johan | Superheterodyne receiving circuit |
US2296107A (en) * | 1941-05-09 | 1942-09-15 | Rca Corp | Ultra high frequency converter |
US2315658A (en) * | 1941-08-30 | 1943-04-06 | Rca Corp | Negative resistance device |
-
0
- NL NL62481D patent/NL62481C/xx active
- BE BE446775D patent/BE446775A/xx unknown
-
1942
- 1942-08-06 DE DEN2303D patent/DE856008C/de not_active Expired
- 1942-08-06 FR FR884839D patent/FR884839A/fr not_active Expired
- 1942-08-07 CH CH231161D patent/CH231161A/de unknown
-
1943
- 1943-05-21 US US487980A patent/US2430835A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2430835A (en) | 1947-11-11 |
NL62481C (de) | |
FR884839A (fr) | 1943-08-27 |
DE856008C (de) | 1952-11-17 |
CH231161A (de) | 1944-02-29 |