FR1209602A - Système de réception à modulation de fréquence et à haute sensibilité - Google Patents
Système de réception à modulation de fréquence et à haute sensibilitéInfo
- Publication number
- FR1209602A FR1209602A FR1209602DA FR1209602A FR 1209602 A FR1209602 A FR 1209602A FR 1209602D A FR1209602D A FR 1209602DA FR 1209602 A FR1209602 A FR 1209602A
- Authority
- FR
- France
- Prior art keywords
- high sensitivity
- receiving system
- frequency modulation
- sensitivity frequency
- modulation receiving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
- H03D3/003—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback
- H03D3/004—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback wherein the demodulated signal is used for controlling an oscillator, e.g. the local oscillator
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Noise Elimination (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP833390X | 1957-08-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1209602A true FR1209602A (fr) | 1960-03-02 |
Family
ID=13799662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1209602D Expired FR1209602A (fr) | 1957-08-12 | 1958-08-11 | Système de réception à modulation de fréquence et à haute sensibilité |
Country Status (5)
Country | Link |
---|---|
US (1) | US3001068A (fr) |
BE (1) | BE570280A (fr) |
DE (1) | DE1071160B (fr) |
FR (1) | FR1209602A (fr) |
GB (1) | GB833390A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL277424A (fr) * | 1961-04-25 | |||
US3231819A (en) * | 1961-09-07 | 1966-01-25 | Bell Telephone Labor Inc | Intermodulation distortion correction of angle modulated transmission system by use of nonlinear cancellation circuit |
US3383599A (en) * | 1963-02-07 | 1968-05-14 | Nippon Electric Co | Multiple superheterodyne diversity receiver employing negative feedback |
US3406345A (en) * | 1963-03-18 | 1968-10-15 | Nippon Electric Co | Radio receiver utilizing if, local and noise signals for providing negative feedbackvoltages to control gain and frequency |
US3292088A (en) * | 1963-03-29 | 1966-12-13 | Westinghouse Canada Ltd | Frequency modulation compression receiver |
US3371281A (en) * | 1963-10-24 | 1968-02-27 | Gen Electric | Frequency modulation receiver combining frequency feedback and synchronous detection |
US3544899A (en) * | 1966-02-17 | 1970-12-01 | Igor Alexandrovich Gusyatinsky | Frequency-modulated receiver with decreased threshold level |
US3418578A (en) * | 1966-03-11 | 1968-12-24 | Bose Corp | Frequency modulation electrical communication system |
GB1526338A (en) * | 1976-05-22 | 1978-09-27 | Eddystone Radio | Superheterodyne receivers |
US5691666A (en) * | 1995-06-07 | 1997-11-25 | Owen; Joseph C. | Full threshold FM deviation compression feedback demodulator and method |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB425412A (en) * | 1933-09-09 | 1935-03-11 | James Robinson | Improvements in or relating to wireless and like receivers |
NL49750C (fr) * | 1936-03-26 | |||
NL50108C (fr) * | 1936-07-20 | |||
US2488585A (en) * | 1945-05-29 | 1949-11-22 | Rca Corp | Frequency modulation receiver |
GB663664A (en) * | 1949-03-03 | 1951-12-27 | Marconi Wireless Telegraph Co | Improvements in or relating to modulated carrier wave radio receiving systems |
US2775646A (en) * | 1950-11-30 | 1956-12-25 | Hartford Nat Bank & Trust Co | Single-sideband apparatus |
BE524311A (fr) * | 1952-11-17 | |||
US2725422A (en) * | 1953-07-16 | 1955-11-29 | Rca Corp | Color television receivers |
NL191810A (fr) * | 1954-10-25 |
-
0
- DE DENDAT1071160D patent/DE1071160B/de active Pending
- BE BE570280D patent/BE570280A/xx unknown
-
1958
- 1958-07-15 US US748748A patent/US3001068A/en not_active Expired - Lifetime
- 1958-08-08 GB GB25512/58A patent/GB833390A/en not_active Expired
- 1958-08-11 FR FR1209602D patent/FR1209602A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3001068A (en) | 1961-09-19 |
BE570280A (fr) | |
DE1071160B (fr) | |
GB833390A (en) | 1960-04-21 |
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