KR100274291B1 - 회복된 dc 파일럿 성분을 증가시킴으로써 복조기를 안정화하는 수신기 동작 방법, 텔레비전 수상기 및 복조 장치 - Google Patents
회복된 dc 파일럿 성분을 증가시킴으로써 복조기를 안정화하는 수신기 동작 방법, 텔레비전 수상기 및 복조 장치 Download PDFInfo
- Publication number
- KR100274291B1 KR100274291B1 KR1019960705633A KR19960705633A KR100274291B1 KR 100274291 B1 KR100274291 B1 KR 100274291B1 KR 1019960705633 A KR1019960705633 A KR 1019960705633A KR 19960705633 A KR19960705633 A KR 19960705633A KR 100274291 B1 KR100274291 B1 KR 100274291B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- data
- pilot
- response
- demodulator
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/455—Demodulation-circuits
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Circuits Of Receivers In General (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Television Systems (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US223,077 | 1981-01-07 | ||
| US354,408 | 1989-05-19 | ||
| US22307794A | 1994-04-04 | 1994-04-04 | |
| US08/354,408 US5627604A (en) | 1994-04-04 | 1994-12-12 | Stabilizing the lock up of a bi-phase stable FPLL by augmenting a recovered DC pilot |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR970702659A KR970702659A (ko) | 1997-05-13 |
| KR100274291B1 true KR100274291B1 (ko) | 2000-12-15 |
Family
ID=26917422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960705633A Expired - Lifetime KR100274291B1 (ko) | 1994-04-04 | 1995-03-31 | 회복된 dc 파일럿 성분을 증가시킴으로써 복조기를 안정화하는 수신기 동작 방법, 텔레비전 수상기 및 복조 장치 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5627604A (enExample) |
| JP (1) | JP3188468B2 (enExample) |
| KR (1) | KR100274291B1 (enExample) |
| CN (1) | CN1078794C (enExample) |
| CA (1) | CA2186339C (enExample) |
| TW (1) | TW313742B (enExample) |
| WO (1) | WO1995027371A1 (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100378058B1 (ko) * | 1998-09-28 | 2003-03-29 | 마쯔시다덴기산교 가부시키가이샤 | Vsb수신기 |
| JP2000115263A (ja) * | 1998-09-30 | 2000-04-21 | Matsushita Electric Ind Co Ltd | ディジタル放送復調装置 |
| US6300024B1 (en) | 1999-06-30 | 2001-10-09 | Canon Kabushiki Kaisha | Toner, two-component type developer, heat fixing method, image forming method and apparatus unit |
| EP1197077B8 (en) * | 1999-07-16 | 2005-11-30 | Thomson Licensing | Selective gain adjustement to aid carrier acquisition in a high definition television receiver |
| US6985192B1 (en) | 1999-07-16 | 2006-01-10 | Thomson Licensing | Selective gain adjustment to aid carrier acquisition in a high definition television receiver |
| JP3988392B2 (ja) * | 2001-01-24 | 2007-10-10 | 日本電気株式会社 | 携帯無線端末、afc制御方法及びafc制御プログラム |
| KR101170483B1 (ko) | 2004-04-09 | 2012-08-01 | 마이크로나스 세미컨덕터, 인코포레이티드 | 이퀄라이저의 피드포워드 필터를 제어하는 장치 및 방법 |
| US7995648B2 (en) * | 2004-04-09 | 2011-08-09 | Trident Microsystems (Far East) Ltd. | Advanced digital receiver |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4091410A (en) * | 1976-11-08 | 1978-05-23 | Zenith Radio Corporation | Frequency and phase lock loop synchronous detecting system having a pair of phase lock conditions |
| US4608604A (en) * | 1983-04-08 | 1986-08-26 | Ampex Corporation | Circuit for reducing AFC offset error |
| US4823399A (en) * | 1987-07-30 | 1989-04-18 | General Instrument Corporation | Refined tuning of RF receiver with frequency-locked loop |
| US4796102A (en) * | 1987-08-03 | 1989-01-03 | Motorola, Inc. | Automatic frequency control system |
| JPS6429969U (enExample) * | 1987-08-14 | 1989-02-22 | ||
| US5025455A (en) * | 1989-11-30 | 1991-06-18 | The United States Of America As Represented By The Administer, National Aeronautics And Space Administration | Phase ambiguity resolution for offset QPSK modulation systems |
| US5087975A (en) * | 1990-11-09 | 1992-02-11 | Zenith Electronics Corporation | VSB HDTV transmission system with reduced NTSC co-channel interference |
| US5287180A (en) * | 1991-02-04 | 1994-02-15 | General Electric Company | Modulator/demodulater for compatible high definition television system |
| US5181112A (en) * | 1991-03-11 | 1993-01-19 | Zenith Electronics Corporation | Television signal transmission system with carrier offset compensation |
| US5175626A (en) * | 1991-07-25 | 1992-12-29 | Rca Thomson Licensing Corporation | Apparatus providing a clock signal for a digital television receiver in response to a channel change |
| WO1995018509A1 (en) | 1993-12-29 | 1995-07-06 | Zenith Electronics Corporation | Polarity selection circuit for bi-phase stable fpll |
-
1994
- 1994-12-12 US US08/354,408 patent/US5627604A/en not_active Expired - Lifetime
-
1995
- 1995-03-31 CA CA002186339A patent/CA2186339C/en not_active Expired - Lifetime
- 1995-03-31 WO PCT/US1995/003754 patent/WO1995027371A1/en not_active Ceased
- 1995-03-31 KR KR1019960705633A patent/KR100274291B1/ko not_active Expired - Lifetime
- 1995-03-31 CN CN95192349A patent/CN1078794C/zh not_active Expired - Lifetime
- 1995-03-31 JP JP52577895A patent/JP3188468B2/ja not_active Expired - Lifetime
- 1995-04-01 TW TW084103217A patent/TW313742B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JP3188468B2 (ja) | 2001-07-16 |
| CN1145151A (zh) | 1997-03-12 |
| JPH09511629A (ja) | 1997-11-18 |
| TW313742B (enExample) | 1997-08-21 |
| US5627604A (en) | 1997-05-06 |
| KR970702659A (ko) | 1997-05-13 |
| MX9604558A (es) | 1997-09-30 |
| CA2186339A1 (en) | 1995-10-12 |
| WO1995027371A1 (en) | 1995-10-12 |
| CA2186339C (en) | 1999-12-07 |
| CN1078794C (zh) | 2002-01-30 |
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| US5410368A (en) | Carrier acquisition by applying substitute pilot to a synchronous demodulator during a start up interval | |
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| US5402449A (en) | Process and device for converting digitally modulate high-frequency reception signals | |
| KR100274291B1 (ko) | 회복된 dc 파일럿 성분을 증가시킴으로써 복조기를 안정화하는 수신기 동작 방법, 텔레비전 수상기 및 복조 장치 | |
| KR100234838B1 (ko) | 디지탈 텔레비전 수상기의 클록 신호발생기 | |
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| US5546138A (en) | AGC system with overriding, maximum gain during an initial interval to enhance signal acquisition | |
| US5621483A (en) | Polarity selection circuit for bi-phase stable FPLL | |
| IE894026L (en) | Digital automatic frequency control on pure sine waves | |
| US5644606A (en) | Receiver with two synchronization loops | |
| JP2000041074A (ja) | 復調装置 | |
| US5745004A (en) | FPLL with third multiplier in an AC path in the FPLL | |
| KR0153604B1 (ko) | 수신장치의 주파수 및 위상 자동 조절회로 및 방법 | |
| MXPA96004558A (es) | Receptor y metodo para estabilizar un demodulador por aumento de un componente piloto cd recobrado | |
| KR100309097B1 (ko) | 텔레비젼수신기의정밀튜닝방법및장치와잔류측파대신호정합방법및장치 | |
| US5668498A (en) | Controlling FPLL polarity using pilot signal and polarity inverter | |
| KR100379393B1 (ko) | 디지털 tv 수신기의 캐리어 신호 복구 방법 및 이를위한 주파수 및 위상 동기 회로 | |
| CA2265634A1 (en) | Symbol timing recovery based on complex sample magnitude | |
| JPH06268699A (ja) | クロック位相制御装置 | |
| JPH0716150B2 (ja) | 自動周波数制御回路 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 19961004 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PG1501 | Laying open of application | ||
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19970827 Comment text: Request for Examination of Application |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19991102 Patent event code: PE09021S01D |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20000629 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20000908 Patent event code: PR07011E01D |
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