BE455967A - - Google Patents
Info
- Publication number
- BE455967A BE455967A BE455967DA BE455967A BE 455967 A BE455967 A BE 455967A BE 455967D A BE455967D A BE 455967DA BE 455967 A BE455967 A BE 455967A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
- H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/10—Circuit arrangements for fine tuning, e.g. bandspreading
-
- 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)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL622838X | 1943-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE455967A true BE455967A (en:Method) |
Family
ID=19788476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE455967D BE455967A (en:Method) | 1943-05-25 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE455967A (en:Method) |
| DE (1) | DE890816C (en:Method) |
| GB (1) | GB622838A (en:Method) |
| NL (1) | NL65280C (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3018439A (en) * | 1958-11-20 | 1962-01-23 | Gen Dynamics Corp | Automatic wave analyzer |
| EP1585227A1 (en) * | 2004-04-08 | 2005-10-12 | Frank Dr.-Ir. Op 't Eynde | A two-step frequency converter with only one mixer in the signal path |
-
0
- BE BE455967D patent/BE455967A/xx unknown
- NL NL65280D patent/NL65280C/xx active
-
1944
- 1944-05-23 DE DEN2223D patent/DE890816C/de not_active Expired
-
1946
- 1946-09-30 GB GB29124/46A patent/GB622838A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL65280C (en:Method) | |
| GB622838A (en) | 1949-05-09 |
| DE890816C (de) | 1953-09-21 |