BE409533A - - Google Patents
Info
- Publication number
- BE409533A BE409533A BE409533DA BE409533A BE 409533 A BE409533 A BE 409533A BE 409533D A BE409533D A BE 409533DA BE 409533 A BE409533 A BE 409533A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- H04B1/30—Circuits for homodyne or synchrodyne receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Burglar Alarm Systems (AREA)
- Circuits Of Receivers In General (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB16505/34A GB439206A (en) | 1934-06-02 | 1934-06-02 | Improvements in or relating to radio receivers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE409533A true BE409533A (zh) |
Family
ID=10078548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE409533D BE409533A (zh) | 1934-06-02 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2171154A (zh) |
| BE (1) | BE409533A (zh) |
| DE (1) | DE673784C (zh) |
| FR (1) | FR790630A (zh) |
| GB (1) | GB439206A (zh) |
| NL (1) | NL43295C (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE472065A (zh) * | 1941-01-17 | |||
| US2813973A (en) * | 1953-01-30 | 1957-11-19 | Philco Corp | Diode frequency converter with nonsinusoidal local oscillation source |
| US2773979A (en) * | 1953-02-02 | 1956-12-11 | Philco Corp | Frequency converter |
-
0
- NL NL43295D patent/NL43295C/xx active
- BE BE409533D patent/BE409533A/xx unknown
-
1934
- 1934-06-02 GB GB16505/34A patent/GB439206A/en not_active Expired
-
1935
- 1935-05-14 US US21346A patent/US2171154A/en not_active Expired - Lifetime
- 1935-05-28 FR FR790630D patent/FR790630A/fr not_active Expired
- 1935-06-04 DE DEM131181D patent/DE673784C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB439206A (en) | 1935-12-02 |
| FR790630A (fr) | 1935-11-25 |
| DE673784C (de) | 1939-03-29 |
| NL43295C (zh) | |
| US2171154A (en) | 1939-08-29 |