BE415557A - - Google Patents
Info
- Publication number
- BE415557A BE415557A BE415557DA BE415557A BE 415557 A BE415557 A BE 415557A BE 415557D A BE415557D A BE 415557DA BE 415557 A BE415557 A BE 415557A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- H03D7/18—Modifications of frequency-changers for eliminating image frequencies
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL458655X | 1936-01-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE415557A true BE415557A (hr) |
Family
ID=19786365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE415557D BE415557A (hr) | 1936-01-06 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2151814A (hr) |
| BE (1) | BE415557A (hr) |
| DE (1) | DE728416C (hr) |
| FR (1) | FR806408A (hr) |
| GB (1) | GB458655A (hr) |
| NL (1) | NL45380C (hr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL65133C (hr) * | 1943-03-03 | |||
| US2545259A (en) * | 1946-10-05 | 1951-03-13 | Monmouth Lab Inc | Multiple radio heterodyne distribution system |
| US2752575A (en) * | 1953-03-04 | 1956-06-26 | Collins Radio Co | Rejection filter |
| US2855508A (en) * | 1954-03-22 | 1958-10-07 | Rca Corp | Dual frequency resonant circuits |
| US4571560A (en) * | 1985-05-21 | 1986-02-18 | Zenith Electronics Corporation | Switched bandpass filter |
-
0
- NL NL45380D patent/NL45380C/xx active
- BE BE415557D patent/BE415557A/xx unknown
-
1936
- 1936-05-06 DE DEN39440D patent/DE728416C/de not_active Expired
- 1936-05-15 FR FR806408D patent/FR806408A/fr not_active Expired
- 1936-06-02 GB GB15411/36A patent/GB458655A/en not_active Expired
- 1936-12-31 US US118455A patent/US2151814A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE728416C (de) | 1942-11-26 |
| US2151814A (en) | 1939-03-28 |
| NL45380C (hr) | |
| FR806408A (fr) | 1936-12-16 |
| GB458655A (en) | 1936-12-23 |