DE69909994T2 - Abstimmsystem mit suchlaufalgorithmus für satellitenempfänger mit lnb-frequenzabweichung - Google Patents

Abstimmsystem mit suchlaufalgorithmus für satellitenempfänger mit lnb-frequenzabweichung Download PDF

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Publication number
DE69909994T2
DE69909994T2 DE69909994T DE69909994T DE69909994T2 DE 69909994 T2 DE69909994 T2 DE 69909994T2 DE 69909994 T DE69909994 T DE 69909994T DE 69909994 T DE69909994 T DE 69909994T DE 69909994 T2 DE69909994 T2 DE 69909994T2
Authority
DE
Germany
Prior art keywords
signal
frequency
digital
vfk
tuning
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
DE69909994T
Other languages
German (de)
English (en)
Other versions
DE69909994D1 (de
Inventor
Max Borisovich Belotserkovsky
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Application granted granted Critical
Publication of DE69909994D1 publication Critical patent/DE69909994D1/de
Publication of DE69909994T2 publication Critical patent/DE69909994T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/02—Indicating arrangements
    • H03J1/04—Indicating arrangements with optical indicating means
    • H03J1/045—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like
    • H03J1/047—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like using electronic means, e.g. LED's
    • H03J1/048—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like using electronic means, e.g. LED's with digital indication
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H03J1/0041—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers
    • H03J1/005—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers in a loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
    • H03J1/14—Special arrangements for fine and coarse tuning
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Superheterodyne Receivers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Circuits Of Receivers In General (AREA)
DE69909994T 1998-04-17 1999-04-16 Abstimmsystem mit suchlaufalgorithmus für satellitenempfänger mit lnb-frequenzabweichung Expired - Lifetime DE69909994T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8211598P 1998-04-17 1998-04-17
US82115P 1998-04-17
PCT/US1999/008367 WO1999054998A1 (en) 1998-04-17 1999-04-16 Lnb drift search system for dbs products

Publications (2)

Publication Number Publication Date
DE69909994D1 DE69909994D1 (de) 2003-09-04
DE69909994T2 true DE69909994T2 (de) 2004-03-04

Family

ID=22169161

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69909994T Expired - Lifetime DE69909994T2 (de) 1998-04-17 1999-04-16 Abstimmsystem mit suchlaufalgorithmus für satellitenempfänger mit lnb-frequenzabweichung

Country Status (10)

Country Link
US (1) US6678012B1 (enExample)
EP (1) EP1072091B1 (enExample)
JP (1) JP4338895B2 (enExample)
KR (1) KR100610564B1 (enExample)
CN (1) CN1148871C (enExample)
AU (1) AU770301B2 (enExample)
BR (1) BRPI9909676B1 (enExample)
DE (1) DE69909994T2 (enExample)
MX (1) MXPA00010064A (enExample)
WO (1) WO1999054998A1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6775334B1 (en) * 1998-11-03 2004-08-10 Broadcom Corporation Equalization and decision-directed loops with trellis demodulation in high definition TV
US7164449B1 (en) * 1999-07-15 2007-01-16 Thomson Licensing Method and apparatus for isolating IIC bus noise from a tuner in a television receiver
JP3920575B2 (ja) * 2001-01-22 2007-05-30 三洋電機株式会社 デジタル放送受信機におけるチャンネル情報登録処理方法
DE10122830A1 (de) * 2001-05-11 2002-11-14 Philips Corp Intellectual Pty Abwärts-Mischeinrichtung
EP1300956A1 (en) * 2001-10-02 2003-04-09 Matsushita Electric Industrial Co., Ltd. Receiving apparatus
FR2832573B1 (fr) * 2001-11-21 2004-01-23 Thomson Licensing Sa Procede et dispositif d'installation de canaux de diffusion
US8525931B2 (en) * 2002-01-11 2013-09-03 Thomson Licensing Method and apparatus for isolating IIC bus noise from a tuner in a television receiver
KR100439220B1 (ko) * 2002-03-26 2004-07-05 엘지전자 주식회사 코드분할다중엑세스 시스템의 통화품질 저하 방지회로 및그 운용방법
GB2401733B (en) 2003-05-16 2006-04-19 Ipwireless Inc Method and arrangement for automatic frequency control in a communication system
US7702306B2 (en) * 2003-08-28 2010-04-20 Broadcom Corporation Apparatus and method for local oscillator calibration in mixer circuits
FR2867926B1 (fr) * 2004-03-16 2006-07-07 St Microelectronics Sa Procede et systeme de reception satellitaire
US7809083B1 (en) * 2006-01-23 2010-10-05 Marvell International Ltd. Differential receiver with frequency offset compensation
US8004962B2 (en) * 2007-12-24 2011-08-23 At&T Intellectual Property I, L.P. Method and system of addressing a problem associated with a network including a video access ready device
EP2294816B1 (en) * 2008-06-03 2017-02-22 Thomson Licensing Method and apparatus for determining channels in a signal

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081752A (en) * 1975-05-30 1978-03-28 Sanyo Electric Co., Ltd. Digital frequency synthesizer receiver
US4272729A (en) * 1979-05-10 1981-06-09 Harris Corporation Automatic pretuning of a voltage controlled oscillator in a frequency synthesizer using successive approximation
KR840000227B1 (ko) * 1980-09-26 1984-02-29 산요덴기 가부시기가이샤 수신기의 동조제어장치
US5430890A (en) * 1992-11-20 1995-07-04 Blaupunkt-Werke Gmbh Radio receiver for mobile reception with sampling rate oscillator frequency being an integer-number multiple of reference oscillation frequency
US5739874A (en) 1995-06-06 1998-04-14 Thomson Consumer Electronics, Inc. Tuning system for a digital satellite receiver with fine tuning provisions
DE69619783T2 (de) * 1995-12-28 2002-10-02 Thomson Consumer Electronics, Inc. Phasenregelschleife mit regelbarer Antwortzeit
JP3735848B2 (ja) * 1996-05-02 2006-01-18 ソニー株式会社 デジタル通信受信装置
JPH1051418A (ja) * 1996-08-06 1998-02-20 Mitsubishi Electric Corp ディジタル受信装置
KR100494311B1 (ko) * 1997-05-06 2005-08-10 디지털 비디오 시스템스 인코퍼레이션 모터의회전유무출력장치
JPH11177646A (ja) * 1997-12-12 1999-07-02 Matsushita Electric Ind Co Ltd 復調装置
JP2001024482A (ja) * 1999-07-09 2001-01-26 Matsushita Electric Ind Co Ltd 受信機

Also Published As

Publication number Publication date
AU3861799A (en) 1999-11-08
CN1297610A (zh) 2001-05-30
EP1072091A1 (en) 2001-01-31
JP2002512467A (ja) 2002-04-23
JP4338895B2 (ja) 2009-10-07
BRPI9909676B1 (pt) 2015-09-01
CN1148871C (zh) 2004-05-05
MXPA00010064A (es) 2002-08-06
AU770301B2 (en) 2004-02-19
KR100610564B1 (ko) 2006-08-09
US6678012B1 (en) 2004-01-13
BR9909676A (pt) 2000-12-19
WO1999054998A1 (en) 1999-10-28
KR20010034657A (ko) 2001-04-25
EP1072091B1 (en) 2003-07-30
DE69909994D1 (de) 2003-09-04

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