ATE441969T1 - Integrierter analogvideoempfänger - Google Patents

Integrierter analogvideoempfänger

Info

Publication number
ATE441969T1
ATE441969T1 AT05745592T AT05745592T ATE441969T1 AT E441969 T1 ATE441969 T1 AT E441969T1 AT 05745592 T AT05745592 T AT 05745592T AT 05745592 T AT05745592 T AT 05745592T AT E441969 T1 ATE441969 T1 AT E441969T1
Authority
AT
Austria
Prior art keywords
analog video
video receiver
integrated analog
carrier frequency
video signal
Prior art date
Application number
AT05745592T
Other languages
English (en)
Inventor
Weijie Yun
Samuel Sheng
Dennis Yee
Original Assignee
Telegent Systems Inc
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 Telegent Systems Inc filed Critical Telegent Systems Inc
Application granted granted Critical
Publication of ATE441969T1 publication Critical patent/ATE441969T1/de

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H03D3/008—Compensating DC offsets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H04L27/063—Superheterodyne receivers
    • 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
    • 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
    • H04N5/50—Tuning indicators; Automatic tuning control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0047—Offset of DC voltage or frequency
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/63—Generation or supply of power specially adapted for television receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Circuits Of Receivers In General (AREA)
  • Superheterodyne Receivers (AREA)
  • Burglar Alarm Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Systems (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Noise Elimination (AREA)
AT05745592T 2004-04-30 2005-05-02 Integrierter analogvideoempfänger ATE441969T1 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US56719104P 2004-04-30 2004-04-30
US61228204P 2004-09-21 2004-09-21
US61210804P 2004-09-21 2004-09-21
US62319304P 2004-10-29 2004-10-29
US63446804P 2004-12-09 2004-12-09
PCT/US2005/015174 WO2005109625A2 (en) 2004-04-30 2005-05-02 Integrated analog video receiver

Publications (1)

Publication Number Publication Date
ATE441969T1 true ATE441969T1 (de) 2009-09-15

Family

ID=34968801

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05745592T ATE441969T1 (de) 2004-04-30 2005-05-02 Integrierter analogvideoempfänger

Country Status (9)

Country Link
US (8) US7453526B2 (de)
EP (2) EP2075908A3 (de)
KR (1) KR101039451B1 (de)
CN (2) CN1973431B (de)
AT (1) ATE441969T1 (de)
DE (1) DE602005016398D1 (de)
ES (1) ES2330454T3 (de)
HK (1) HK1130141A1 (de)
WO (1) WO2005109625A2 (de)

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Also Published As

Publication number Publication date
HK1130141A1 (en) 2009-12-18
EP2075908A2 (de) 2009-07-01
US20050243220A1 (en) 2005-11-03
US7929060B2 (en) 2011-04-19
CN1973431B (zh) 2011-08-03
US20100225820A1 (en) 2010-09-09
KR101039451B1 (ko) 2011-06-07
US8203653B2 (en) 2012-06-19
ES2330454T3 (es) 2009-12-10
EP1751848B1 (de) 2009-09-02
US20080297664A1 (en) 2008-12-04
CN101540855A (zh) 2009-09-23
US20050243217A1 (en) 2005-11-03
US20050243219A1 (en) 2005-11-03
CN1973431A (zh) 2007-05-30
US7505086B2 (en) 2009-03-17
DE602005016398D1 (de) 2009-10-15
KR20070046786A (ko) 2007-05-03
WO2005109625A2 (en) 2005-11-17
US7932958B2 (en) 2011-04-26
WO2005109625A3 (en) 2006-03-30
US7542100B2 (en) 2009-06-02
US20090185079A1 (en) 2009-07-23
CN101540855B (zh) 2011-01-05
EP2075908A3 (de) 2009-07-22
US7453526B2 (en) 2008-11-18
US20050243218A1 (en) 2005-11-03
EP1751848A2 (de) 2007-02-14
US8077262B2 (en) 2011-12-13
US20080158433A1 (en) 2008-07-03

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