DE69221850T2 - Kombinierter am-fm stereo-empfänger - Google Patents
Kombinierter am-fm stereo-empfängerInfo
- Publication number
- DE69221850T2 DE69221850T2 DE69221850T DE69221850T DE69221850T2 DE 69221850 T2 DE69221850 T2 DE 69221850T2 DE 69221850 T DE69221850 T DE 69221850T DE 69221850 T DE69221850 T DE 69221850T DE 69221850 T2 DE69221850 T2 DE 69221850T2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- mode
- stereo
- frequency
- radio
- 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 - Fee Related
Links
- 238000012545 processing Methods 0.000 claims description 3
- 230000005236 sound signal Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 14
- 230000010363 phase shift Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- 239000011159 matrix material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 102100036601 Aggrecan core protein Human genes 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 108091006419 SLC25A12 Proteins 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 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
- H04H20/49—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 AM stereophonic broadcast systems
-
- 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
- H04B1/1646—Circuits adapted for the reception of stereophonic signals
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Stereo-Broadcasting Methods (AREA)
- Circuits Of Receivers In General (AREA)
- Transmitters (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/651,713 US5239699A (en) | 1991-02-06 | 1991-02-06 | Am-fm combined stereo receiver |
| PCT/US1992/000885 WO1992014311A1 (en) | 1991-02-06 | 1992-02-04 | Am-fm combined stereo receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69221850D1 DE69221850D1 (de) | 1997-10-02 |
| DE69221850T2 true DE69221850T2 (de) | 1998-02-12 |
Family
ID=24613917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69221850T Expired - Fee Related DE69221850T2 (de) | 1991-02-06 | 1992-02-04 | Kombinierter am-fm stereo-empfänger |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5239699A (enExample) |
| EP (1) | EP0570481B1 (enExample) |
| JP (1) | JP2713001B2 (enExample) |
| AU (1) | AU645408B2 (enExample) |
| CA (1) | CA2100444C (enExample) |
| DE (1) | DE69221850T2 (enExample) |
| TW (1) | TW208764B (enExample) |
| WO (1) | WO1992014311A1 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4340012B4 (de) * | 1993-11-24 | 2004-04-22 | Blaupunkt-Werke Gmbh | Demodulator |
| US5715528A (en) * | 1996-02-08 | 1998-02-03 | Ford Motor Company | Converting capacitance to inductance in a floating resonant |
| US6041280A (en) * | 1996-03-15 | 2000-03-21 | Sirf Technology, Inc. | GPS car navigation system |
| US6810266B1 (en) * | 1999-11-16 | 2004-10-26 | Freescale Semiconductor, Inc. | Digitally controlled radio back-end |
| US6473605B1 (en) * | 1999-11-16 | 2002-10-29 | Motorola, Inc. | Noise reduction and range control radio system |
| US6473606B1 (en) * | 1999-11-16 | 2002-10-29 | Motorola, Inc. | Common intermediate frequency broadcast radio front end |
| KR100690954B1 (ko) * | 2000-01-19 | 2007-03-09 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 무선 ｆｍ 수신기 |
| WO2003026156A1 (en) * | 2001-09-18 | 2003-03-27 | Koninklijke Philips Electronics N.V. | Rf signal switch for a wireless communication device |
| US8036402B2 (en) * | 2005-12-15 | 2011-10-11 | Harman International Industries, Incorporated | Distortion compensation |
| US20070178863A1 (en) * | 2006-01-27 | 2007-08-02 | Tuttle G Tyson | AM/FM tuner saw filter-less architecture using AM frequency band up-conversion |
| CN203644936U (zh) * | 2010-12-30 | 2014-06-11 | 硅实验室公司 | 共享的am/fm天线电路以及am/fm无线电接收机系统 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3665507A (en) * | 1971-01-04 | 1972-05-23 | Gen Electric | Signal processor for reception of amplitude or frequency modulated signals |
| US4170716A (en) * | 1977-10-14 | 1979-10-09 | Motorola, Inc. | AM stereo receiver with correction limiting |
| US4172966A (en) * | 1978-02-23 | 1979-10-30 | Motorola, Inc. | AM stereophonic receiver |
| US4324952A (en) * | 1978-08-21 | 1982-04-13 | Harris Corporation | Direct function receivers and transmitters for multichannel communications system |
| US4278839A (en) * | 1979-08-02 | 1981-07-14 | Motorola, Inc. | Tangent function generator for AM stereo |
| DE3024085A1 (de) * | 1980-06-27 | 1982-01-21 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Am-fm-rundfunkempfaenger zum empfang von am-stereosignalen |
| US4388496A (en) * | 1980-08-11 | 1983-06-14 | Trio Kabushiki Kaisha | FM/AM Stereo receiver |
| US4426728A (en) * | 1981-08-31 | 1984-01-17 | Kahn Leonard R | Multiple system AM stereo receiver and pilot signal detector |
| US4716590A (en) * | 1984-01-17 | 1987-12-29 | Sansui Electric Co., Ltd. | AM stereo transmission method and apparatus |
| US4872207A (en) * | 1987-04-15 | 1989-10-03 | Motorola, Inc. | Automatic IF tangent lock control circuit |
| US5109542A (en) * | 1991-02-06 | 1992-04-28 | Motorola, Inc. | AM-FM combined stereo receiver |
-
1991
- 1991-02-06 US US07/651,713 patent/US5239699A/en not_active Expired - Lifetime
-
1992
- 1992-02-04 CA CA002100444A patent/CA2100444C/en not_active Expired - Fee Related
- 1992-02-04 WO PCT/US1992/000885 patent/WO1992014311A1/en not_active Ceased
- 1992-02-04 AU AU13581/92A patent/AU645408B2/en not_active Ceased
- 1992-02-04 DE DE69221850T patent/DE69221850T2/de not_active Expired - Fee Related
- 1992-02-04 EP EP92905676A patent/EP0570481B1/en not_active Expired - Lifetime
- 1992-02-06 JP JP4054096A patent/JP2713001B2/ja not_active Expired - Fee Related
- 1992-05-18 TW TW081103854A patent/TW208764B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| CA2100444C (en) | 1998-11-24 |
| DE69221850D1 (de) | 1997-10-02 |
| WO1992014311A1 (en) | 1992-08-20 |
| JPH05114822A (ja) | 1993-05-07 |
| JP2713001B2 (ja) | 1998-02-16 |
| EP0570481A4 (enExample) | 1994-01-19 |
| CA2100444A1 (en) | 1992-08-07 |
| EP0570481B1 (en) | 1997-08-27 |
| EP0570481A1 (en) | 1993-11-24 |
| TW208764B (enExample) | 1993-07-01 |
| AU645408B2 (en) | 1994-01-13 |
| AU1358192A (en) | 1992-09-07 |
| US5239699A (en) | 1993-08-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: SCHUMACHER & WILLSAU, PATENTANWALTSSOZIETAET, 80335 MUENCHEN |
|
| 8339 | Ceased/non-payment of the annual fee |