FR2133963B1 - - Google Patents
Info
- Publication number
- FR2133963B1 FR2133963B1 FR7214011A FR7214011A FR2133963B1 FR 2133963 B1 FR2133963 B1 FR 2133963B1 FR 7214011 A FR7214011 A FR 7214011A FR 7214011 A FR7214011 A FR 7214011A FR 2133963 B1 FR2133963 B1 FR 2133963B1
- Authority
- FR
- France
- 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
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
- H03D1/2209—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders
- H03D1/2236—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders using a phase locked loop
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP46025851A JPS5226081B1 (fr) | 1971-04-21 | 1971-04-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2133963A1 FR2133963A1 (fr) | 1972-12-01 |
FR2133963B1 true FR2133963B1 (fr) | 1978-03-03 |
Family
ID=12177326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7214011A Expired FR2133963B1 (fr) | 1971-04-21 | 1972-04-20 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3824346A (fr) |
JP (1) | JPS5226081B1 (fr) |
CA (1) | CA956005A (fr) |
DE (1) | DE2219944C3 (fr) |
FR (1) | FR2133963B1 (fr) |
GB (1) | GB1365212A (fr) |
NL (1) | NL7205368A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8200959A (nl) * | 1982-03-09 | 1983-10-03 | Philips Nv | Fm-ontvanger voorzien van een frequentie gesleutelde lus. |
US8306493B2 (en) * | 2010-04-13 | 2012-11-06 | Newport Media, Inc. | Pilot based adaptation for FM radio receiver |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3114004A (en) * | 1962-03-01 | 1963-12-10 | Rca Corp | Radio signal receivers |
US3290443A (en) * | 1964-07-16 | 1966-12-06 | Fisher Radio Corp | Receivers of stereophonic programs from a single multiplex transmitting station |
US3375453A (en) * | 1965-01-21 | 1968-03-26 | Servo Corp Of America | Suppressed carrier demodulation circuit |
US3584154A (en) * | 1968-06-17 | 1971-06-08 | Clarence Hunter Mcshan | Stereo multiplex decoding system with a phase locked loop switching signal control |
US3643165A (en) * | 1969-01-24 | 1972-02-15 | Nippon Electric Co | Modulated carrier wave communication apparatus |
US3573382A (en) * | 1969-02-06 | 1971-04-06 | Motorola Inc | A stereophonic receiver muting means with substitution of a dc circuit for an ac circuit |
US3721766A (en) * | 1970-11-16 | 1973-03-20 | Motorola Inc | Frequency multiplying circuit utilizing time gates and switching signals of differing phases |
US3679832A (en) * | 1971-03-23 | 1972-07-25 | Bell Telephone Labor Inc | Three-channel fm stereo transmission |
-
1971
- 1971-04-21 JP JP46025851A patent/JPS5226081B1/ja active Pending
-
1972
- 1972-04-17 US US00244559A patent/US3824346A/en not_active Expired - Lifetime
- 1972-04-20 FR FR7214011A patent/FR2133963B1/fr not_active Expired
- 1972-04-20 GB GB1838772A patent/GB1365212A/en not_active Expired
- 1972-04-20 NL NL7205368A patent/NL7205368A/xx not_active Application Discontinuation
- 1972-04-20 CA CA140,093A patent/CA956005A/en not_active Expired
- 1972-04-20 DE DE2219944A patent/DE2219944C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL7205368A (fr) | 1972-10-24 |
GB1365212A (en) | 1974-08-29 |
DE2219944C3 (de) | 1980-02-28 |
FR2133963A1 (fr) | 1972-12-01 |
CA956005A (en) | 1974-10-08 |
DE2219944B2 (de) | 1979-07-19 |
US3824346A (en) | 1974-07-16 |
JPS5226081B1 (fr) | 1977-07-12 |
DE2219944A1 (de) | 1972-12-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |