NL57631C - - Google Patents
Info
- Publication number
- NL57631C NL57631C NL57631DA NL57631C NL 57631 C NL57631 C NL 57631C NL 57631D A NL57631D A NL 57631DA NL 57631 C NL57631 C NL 57631C
- Authority
- NL
- Netherlands
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL234469X | 1939-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL57631C true NL57631C (es) |
Family
ID=19780179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL57631D NL57631C (es) | 1939-09-08 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2273640A (es) |
| BE (1) | BE440600A (es) |
| CH (1) | CH234469A (es) |
| DE (1) | DE1081512B (es) |
| FR (1) | FR873942A (es) |
| GB (1) | GB607028A (es) |
| NL (1) | NL57631C (es) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2511107A (en) * | 1942-11-11 | 1950-06-13 | Philip H Greeley | Radio receiving circuit |
| US2549423A (en) * | 1943-09-22 | 1951-04-17 | Rca Corp | Reduction of selective fading distortion |
| US2420439A (en) * | 1943-11-02 | 1947-05-13 | Morrison Montford | Aircraft range and direction finder |
| US2460900A (en) * | 1943-12-31 | 1949-02-08 | Philco Corp | Wide-band superheterodyne receiver |
| US2508048A (en) * | 1944-12-21 | 1950-05-16 | Rca Corp | Frequency converter circuits |
| BE473522A (es) * | 1946-05-28 | |||
| US2571041A (en) * | 1946-06-28 | 1951-10-09 | Rca Corp | Heterodyne detector circuit |
| US3147440A (en) * | 1959-02-17 | 1964-09-01 | Singer Inc H R B | Cross-modulation detector means tuned to local oscillator frequency |
-
0
- NL NL57631D patent/NL57631C/xx active
- BE BE440600D patent/BE440600A/xx unknown
-
1940
- 1940-06-14 US US340500A patent/US2273640A/en not_active Expired - Lifetime
- 1940-11-15 DE DEP2177D patent/DE1081512B/de active Pending
-
1941
- 1941-02-27 CH CH234469D patent/CH234469A/de unknown
- 1941-04-17 FR FR873942D patent/FR873942A/fr not_active Expired
-
1946
- 1946-05-28 GB GB16229/46A patent/GB607028A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB607028A (en) | 1948-08-24 |
| BE440600A (es) | |
| CH234469A (de) | 1944-09-30 |
| DE1081512B (de) | 1960-05-12 |
| FR873942A (fr) | 1942-07-23 |
| US2273640A (en) | 1942-02-17 |