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 PDF

Info

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
Application number
KR1019960705633A
Other languages
English (en)
Korean (ko)
Other versions
KR970702659A (ko
Inventor
크리쉬내머디 고팰랜
지. 마이시넥 빅터
제이. 스그리그놀리 개리
Original Assignee
비트쿠스 리차드 에프.
제니스 일렉트로닉스 코포레이션
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 비트쿠스 리차드 에프., 제니스 일렉트로닉스 코포레이션 filed Critical 비트쿠스 리차드 에프.
Publication of KR970702659A publication Critical patent/KR970702659A/ko
Application granted granted Critical
Publication of KR100274291B1 publication Critical patent/KR100274291B1/ko
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/455Demodulation-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)
KR1019960705633A 1994-04-04 1995-03-31 회복된 dc 파일럿 성분을 증가시킴으로써 복조기를 안정화하는 수신기 동작 방법, 텔레비전 수상기 및 복조 장치 Expired - Lifetime KR100274291B1 (ko)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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

Similar Documents

Publication Publication Date Title
US5410368A (en) Carrier acquisition by applying substitute pilot to a synchronous demodulator during a start up interval
US5235424A (en) Automatic gain control system for a high definition television signal receiver
US5671257A (en) Symbol timing recovery based on complex sample magnitude
US4816769A (en) BPSK demodulator and FM receiver for digital data pagers
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
CA2134531A1 (en) Control arrangements for digital radio receivers
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

PR1002 Payment of registration fee

Payment date: 20000909

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
PR1001 Payment of annual fee

Payment date: 20030818

Start annual number: 4

End annual number: 4

PR1001 Payment of annual fee

Payment date: 20040809

Start annual number: 5

End annual number: 5

PR1001 Payment of annual fee

Payment date: 20050801

Start annual number: 6

End annual number: 6

PR1001 Payment of annual fee

Payment date: 20060828

Start annual number: 7

End annual number: 7

PR1001 Payment of annual fee

Payment date: 20070827

Start annual number: 8

End annual number: 8

PR1001 Payment of annual fee

Payment date: 20080827

Start annual number: 9

End annual number: 9

PR1001 Payment of annual fee

Payment date: 20090828

Start annual number: 10

End annual number: 10

PR1001 Payment of annual fee

Payment date: 20100813

Start annual number: 11

End annual number: 11

PR1001 Payment of annual fee

Payment date: 20110812

Start annual number: 12

End annual number: 12

PR1001 Payment of annual fee

Payment date: 20120821

Start annual number: 13

End annual number: 13

FPAY Annual fee payment

Payment date: 20130820

Year of fee payment: 14

PR1001 Payment of annual fee

Payment date: 20130820

Start annual number: 14

End annual number: 14

FPAY Annual fee payment

Payment date: 20140825

Year of fee payment: 15

PR1001 Payment of annual fee

Payment date: 20140825

Start annual number: 15

End annual number: 15

PC1801 Expiration of term

Termination date: 20150930

Termination category: Expiration of duration