GB946707A - Improvements in stereophonic broadcasting system - Google Patents
Improvements in stereophonic broadcasting systemInfo
- Publication number
- GB946707A GB946707A GB21086/61A GB2108661A GB946707A GB 946707 A GB946707 A GB 946707A GB 21086/61 A GB21086/61 A GB 21086/61A GB 2108661 A GB2108661 A GB 2108661A GB 946707 A GB946707 A GB 946707A
- Authority
- GB
- United Kingdom
- Prior art keywords
- signal
- frequency
- modulator
- amplifier
- output
- 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
- 239000011159 matrix material Substances 0.000 abstract 6
- 230000003321 amplification Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
- 230000010363 phase shift Effects 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
- 230000001629 suppression Effects 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/44—Arrangements characterised by circuits or components specially adapted for broadcast
- H04H20/46—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95
- H04H20/47—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems
- H04H20/48—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems for FM stereophonic broadcast systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US44732A US3122610A (en) | 1960-07-22 | 1960-07-22 | Circuitry for multiplex transmission of fm stereo signals with pilot signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB946707A true GB946707A (en) | 1964-01-15 |
Family
ID=32391939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB21086/61A Expired GB946707A (en) | 1960-07-22 | 1961-06-12 | Improvements in stereophonic broadcasting system |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3122610A (en:Method) |
| DE (1) | DE1283931B (en:Method) |
| FR (1) | FR1295749A (en:Method) |
| GB (1) | GB946707A (en:Method) |
| NL (1) | NL267354A (en:Method) |
| OA (1) | OA00252A (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107667549A (zh) * | 2015-05-29 | 2018-02-06 | 西格弗克斯公司 | 用于发送和接收包括导频信号和信息信号的广播信号的方法 |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3225143A (en) * | 1961-06-14 | 1965-12-21 | Motorola Inc | Multiplex stereophonic receiving system |
| NL279877A (en:Method) * | 1961-06-19 | |||
| US3236950A (en) * | 1961-07-18 | 1966-02-22 | Zenith Radio Corp | Radio receivers |
| US3176075A (en) * | 1961-10-20 | 1965-03-30 | Electronic Instr Co Inc | Detector of multiplex stereophonic signals |
| BE628445A (en:Method) * | 1962-02-16 | |||
| NL289463A (en:Method) * | 1962-02-26 | |||
| NL301077A (en:Method) * | 1962-11-29 | |||
| US3246083A (en) * | 1963-05-17 | 1966-04-12 | Torio Company Ltd | Fm multiplex stereo transmission indicating apparatus |
| US3478169A (en) * | 1964-02-24 | 1969-11-11 | Matsushita Electric Industrial Co Ltd | Secret sca communication systems and apparatus |
| US3290443A (en) * | 1964-07-16 | 1966-12-06 | Fisher Radio Corp | Receivers of stereophonic programs from a single multiplex transmitting station |
| US3440424A (en) * | 1964-07-16 | 1969-04-22 | Gen Telephone & Elect | Optical system for transmitting and receiving two independent signals over a single electromagnetic carrier wherein the rotational orientation of the receiver is independent of the angular position of the transmitter |
| US3360609A (en) * | 1966-12-22 | 1967-12-26 | Gen Electric | Fm multiplex system for transmitting radio signals from a stereophonic phonograph |
| US4190737A (en) * | 1972-12-29 | 1980-02-26 | Matsushita Electric Corp. Of America | Compatible four channel FM system |
| US4379947A (en) * | 1979-02-02 | 1983-04-12 | Teleprompter Corporation | System for transmitting data simultaneously with audio |
| JPS57173241A (en) * | 1981-04-17 | 1982-10-25 | Sharp Corp | Sound multiplex broadcast receiver |
| US4401853A (en) * | 1982-08-23 | 1983-08-30 | Fisher Charles B | AM Quadrature stereo systems |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3046329A (en) * | 1962-07-24 | Amplifier | ||
| US1773901A (en) * | 1916-11-09 | 1930-08-26 | Western Electric Co | High-frequency signaling |
| US2045796A (en) * | 1934-01-20 | 1936-06-30 | Radio Patents Corp | Method for radio transmission |
| BE455396A (en:Method) * | 1943-04-21 | |||
| US2370985A (en) * | 1943-08-13 | 1945-03-06 | Morrison Montford | Carrier-current telegraph system |
| GB624295A (en) * | 1946-08-20 | 1949-06-01 | Western Electric Co | Improvements in or relating to electric secret signalling systems |
| US2619547A (en) * | 1947-06-27 | 1952-11-25 | Karl F Ross | Dual modulation of carrier wave |
| US2681445A (en) * | 1950-08-23 | 1954-06-15 | Radio Patents Company | Super-regenerative receiver |
| US2776429A (en) * | 1951-01-27 | 1957-01-01 | Multiplex Dev Corp | Multiplex communications system |
| NL90521C (nl) * | 1951-04-28 | 1959-02-18 | Philips Nv | Overdrachtstelsel van stereofonische signalen alsmede bij dit overdragstelsel toe te passen zenders en ontvangers |
| NL175913B (nl) * | 1953-02-09 | Degussa | Verbetering van de werkwijze voor het bereiden van d,l-penicillamine en aminezouten hiervan. | |
| US2851532A (en) * | 1953-04-21 | 1958-09-09 | Murray G Crosby | Multiplex communication system |
| US2871292A (en) * | 1953-10-12 | 1959-01-27 | Esther Marion Armstrong | Noise reduction in phase shift modulation |
| US2879335A (en) * | 1953-10-12 | 1959-03-24 | Esther Marion Armstrong | Stabilized multiplex frequency modulation receiver |
| US2773125A (en) * | 1953-10-12 | 1956-12-04 | Esther M Armstrong | Multiplex frequency modulation transmitter |
| US2810782A (en) * | 1953-12-21 | 1957-10-22 | Hogan Lab Inc | Frequency modulated communications system with multiplexed audio channels |
| US2903518A (en) * | 1955-01-21 | 1959-09-08 | Kaiser Ind Corp | Radio transmission system |
| DE1160038B (de) * | 1960-01-26 | 1963-12-27 | Grundig Max | Verfahren und Vorrichtung zur UEbertragung von zwei oder mehreren Signalen |
-
0
- NL NL267354D patent/NL267354A/xx unknown
-
1960
- 1960-07-22 US US44732A patent/US3122610A/en not_active Expired - Lifetime
-
1961
- 1961-06-12 GB GB21086/61A patent/GB946707A/en not_active Expired
- 1961-07-19 DE DE1961G0032755 patent/DE1283931B/de active Pending
- 1961-07-20 FR FR868530A patent/FR1295749A/fr not_active Expired
-
1964
- 1964-09-11 OA OA50321A patent/OA00252A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107667549A (zh) * | 2015-05-29 | 2018-02-06 | 西格弗克斯公司 | 用于发送和接收包括导频信号和信息信号的广播信号的方法 |
| CN107667549B (zh) * | 2015-05-29 | 2020-06-19 | 西格弗克斯公司 | 用于发送和接收包括导频信号和信息信号的广播信号的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1283931B (de) | 1968-11-28 |
| OA00252A (fr) | 1966-03-15 |
| NL267354A (en:Method) | |
| FR1295749A (fr) | 1962-06-08 |
| US3122610A (en) | 1964-02-25 |
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