DE60021502D1 - Fernsehsignalsender zur Unterdrückung der durch das Differenzsignal von zwei Frequenzwandlern verursachten Interferenz - Google Patents

Fernsehsignalsender zur Unterdrückung der durch das Differenzsignal von zwei Frequenzwandlern verursachten Interferenz

Info

Publication number
DE60021502D1
DE60021502D1 DE60021502T DE60021502T DE60021502D1 DE 60021502 D1 DE60021502 D1 DE 60021502D1 DE 60021502 T DE60021502 T DE 60021502T DE 60021502 T DE60021502 T DE 60021502T DE 60021502 D1 DE60021502 D1 DE 60021502D1
Authority
DE
Germany
Prior art keywords
suppressing
interference caused
frequency converters
signal
difference signal
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
Application number
DE60021502T
Other languages
English (en)
Other versions
DE60021502T2 (de
Inventor
Kazuyuki Maeda
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.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Application granted granted Critical
Publication of DE60021502D1 publication Critical patent/DE60021502D1/de
Publication of DE60021502T2 publication Critical patent/DE60021502T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H04N7/102—Circuits therefor, e.g. noise reducers, equalisers, amplifiers
    • 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
    • H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Transmitters (AREA)
  • Superheterodyne Receivers (AREA)
DE60021502T 1999-10-12 2000-10-05 Fernsehsignalsender zur Unterdrückung der durch das Differenzsignal von zwei Frequenzwandlern verursachten Interferenz Expired - Fee Related DE60021502T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP28966299 1999-10-12
JP28966299A JP3592159B2 (ja) 1999-10-12 1999-10-12 テレビジョン信号送信機

Publications (2)

Publication Number Publication Date
DE60021502D1 true DE60021502D1 (de) 2005-09-01
DE60021502T2 DE60021502T2 (de) 2006-05-24

Family

ID=17746140

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60021502T Expired - Fee Related DE60021502T2 (de) 1999-10-12 2000-10-05 Fernsehsignalsender zur Unterdrückung der durch das Differenzsignal von zwei Frequenzwandlern verursachten Interferenz

Country Status (4)

Country Link
US (1) US6650375B1 (de)
EP (1) EP1096792B1 (de)
JP (1) JP3592159B2 (de)
DE (1) DE60021502T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10158274A1 (de) * 2001-11-28 2003-06-18 Philips Intellectual Property Verfahren zur Bestimmung der Signalstärke am Eingang eines Tuners
JP2003230057A (ja) 2002-02-06 2003-08-15 Alps Electric Co Ltd テレビジョン信号送信機
JP2008502278A (ja) * 2004-06-08 2008-01-24 トムソン ライセンシング マルチチャンネル受信機において信号を処理するための装置および方法
PL1928232T3 (pl) * 2005-09-16 2016-12-30 Stała formulacja
US11973524B2 (en) * 2021-05-03 2024-04-30 Rockwell Collins, Inc. Spur dispersing mixer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1212457A (en) * 1983-06-14 1986-10-07 Nec Kansai, Ltd. Frequency converter, especially catv converter
US4633513A (en) * 1984-05-31 1986-12-30 Berko Technology Corporation Method and apparatus for converting television signals
JPS61139176A (ja) * 1984-12-10 1986-06-26 Pioneer Electronic Corp Ｃａｔｖの視聴制御装置
US5125100A (en) * 1990-07-02 1992-06-23 Katznelson Ron D Optimal signal synthesis for distortion cancelling multicarrier systems
US5585837A (en) * 1995-03-15 1996-12-17 Nixon; Dale B. Distribution of local video signal with consumer cable television signal
US5812928A (en) * 1995-04-12 1998-09-22 Watson Technologies Cable television control apparatus and method with channel access controller at node of network including channel filtering system
US5940143A (en) * 1995-10-06 1999-08-17 Hitachi, Ltd. High-definition television signal receiving apparatus and gain control circuit thereof
US5930678A (en) * 1996-05-13 1999-07-27 Lucent Technologies Inc Intermodulation distortion reduction method and apparatus
US5847612A (en) 1997-08-01 1998-12-08 Microtune, Inc. Interference-free broadband television tuner
US6307896B1 (en) * 1998-04-03 2001-10-23 Tektronix, Inc. Instrumentation receiver for digitally modulated radio frequency signals
JP2000036682A (ja) * 1998-07-16 2000-02-02 Alps Electric Co Ltd 周波数変換装置

Also Published As

Publication number Publication date
US6650375B1 (en) 2003-11-18
JP2001111903A (ja) 2001-04-20
EP1096792B1 (de) 2005-07-27
JP3592159B2 (ja) 2004-11-24
DE60021502T2 (de) 2006-05-24
EP1096792A3 (de) 2004-03-03
EP1096792A2 (de) 2001-05-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee