BE481504A - - Google Patents
Info
- Publication number
- BE481504A BE481504A BE481504DA BE481504A BE 481504 A BE481504 A BE 481504A BE 481504D A BE481504D A BE 481504DA BE 481504 A BE481504 A BE 481504A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/46—Reflex amplifiers
- H03F3/48—Reflex amplifiers with tubes only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2570016X | 1947-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE481504A true BE481504A (ja�@�@) |
Family
ID=19874803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE481504D BE481504A (ja�@�@) | 1947-03-29 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2570016A (ja�@�@) |
| BE (1) | BE481504A (ja�@�@) |
| FR (1) | FR963921A (ja�@�@) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2778932A (en) * | 1951-06-15 | 1957-01-22 | Admiral Corp | Reflex amplifier circuits |
| US2665377A (en) * | 1951-12-20 | 1954-01-05 | Sarkes Tarzian | Universal tuning system for television receivers |
| NL282484A (ja�@�@) * | 1961-08-25 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1675323A (en) * | 1923-05-10 | 1928-07-03 | Westinghouse Electric & Mfg Co | Wave signaling system |
| US2323250A (en) * | 1933-01-31 | 1943-06-29 | Rca Corp | Signaling system |
| BE403264A (ja�@�@) * | 1933-05-23 | |||
| DE686267C (de) * | 1934-02-12 | 1940-01-10 | Philips Patentverwaltung | UEberlagerungsempfangsschaltung, bei der die zu vermischenden Schwingungen getrennten Gittern einer Mehrgitterroehre zugefuehrt werden |
| US2058512A (en) * | 1934-05-28 | 1936-10-27 | Rca Corp | Radio receiver |
| US2122283A (en) * | 1937-03-09 | 1938-06-28 | Rca Corp | Frequency converter |
| US2201365A (en) * | 1938-07-13 | 1940-05-21 | Hazeltine Corp | Duplex vacuum-tube repeater |
| US2302867A (en) * | 1941-10-25 | 1942-11-24 | Rca Corp | Combined mixer and intermediate frequency stage |
-
0
- FR FR963921D patent/FR963921A/fr not_active Expired
- BE BE481504D patent/BE481504A/xx unknown
-
1948
- 1948-03-16 US US15194A patent/US2570016A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR963921A (ja�@�@) | 1950-07-26 |
| US2570016A (en) | 1951-10-02 |