BE514215A - - Google Patents
Info
- Publication number
- BE514215A BE514215A BE514215DA BE514215A BE 514215 A BE514215 A BE 514215A BE 514215D A BE514215D A BE 514215DA BE 514215 A BE514215 A BE 514215A
- 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
- H04B1/26—Circuits for superheterodyne receivers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D5/00—Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
- H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
- H04B15/06—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder by local oscillators of receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL305586X | 1951-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE514215A true BE514215A (US06252093-20010626-C00008.png) |
Family
ID=19783476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE514215D BE514215A (US06252093-20010626-C00008.png) | 1951-09-17 |
Country Status (5)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE623643A (US06252093-20010626-C00008.png) * | 1961-10-18 | |||
| US3201695A (en) * | 1962-10-01 | 1965-08-17 | Gen Motors Corp | Am-fm all transistor radio receiver |
| US3345571A (en) * | 1963-09-30 | 1967-10-03 | Selwyn Donald | Receiver apparatus |
| GB8330761D0 (en) * | 1983-11-18 | 1983-12-29 | Plessey Co Plc | Frequency modulation detectors |
| EP0143556B2 (en) * | 1983-11-18 | 1996-03-06 | Plessey Overseas Limited | Improvements relating to frequency modulation detectors |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2299059A (en) * | 1940-04-20 | 1942-10-13 | Ray C Stotts | Frequency modulation system |
| US2383345A (en) * | 1942-09-15 | 1945-08-21 | Rca Corp | Reflex converter circuit |
| US2451584A (en) * | 1945-10-27 | 1948-10-19 | Rca Corp | Signal receiver tuning indicator |
| BE512062A (US06252093-20010626-C00008.png) * | 1951-06-15 |
-
0
- BE BE514215D patent/BE514215A/xx unknown
-
1952
- 1952-09-10 US US308871A patent/US2773178A/en not_active Expired - Lifetime
- 1952-09-12 GB GB22953/52A patent/GB713915A/en not_active Expired
- 1952-09-15 CH CH305586D patent/CH305586A/de unknown
- 1952-09-15 FR FR1062987D patent/FR1062987A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH305586A (de) | 1955-02-28 |
| GB713915A (en) | 1954-08-18 |
| FR1062987A (fr) | 1954-04-28 |
| US2773178A (en) | 1956-12-04 |
