DE3581152D1 - Fernsehsender. - Google Patents

Fernsehsender.

Info

Publication number
DE3581152D1
DE3581152D1 DE8585201453T DE3581152T DE3581152D1 DE 3581152 D1 DE3581152 D1 DE 3581152D1 DE 8585201453 T DE8585201453 T DE 8585201453T DE 3581152 T DE3581152 T DE 3581152T DE 3581152 D1 DE3581152 D1 DE 3581152D1
Authority
DE
Germany
Prior art keywords
channel
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
DE8585201453T
Other languages
English (en)
Inventor
Edward George Plume
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3581152D1 publication Critical patent/DE3581152D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
DE8585201453T 1984-09-17 1985-09-12 Fernsehsender. Expired - Lifetime DE3581152D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08423440A GB2164823A (en) 1984-09-17 1984-09-17 Television transmitter

Publications (1)

Publication Number Publication Date
DE3581152D1 true DE3581152D1 (de) 1991-02-07

Family

ID=10566834

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585201453T Expired - Lifetime DE3581152D1 (de) 1984-09-17 1985-09-12 Fernsehsender.

Country Status (7)

Country Link
US (1) US4670789A (de)
EP (1) EP0176138B1 (de)
JP (1) JPS6174472A (de)
CA (1) CA1238406A (de)
DE (1) DE3581152D1 (de)
ES (1) ES8609857A1 (de)
GB (1) GB2164823A (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2176669A (en) * 1985-06-05 1986-12-31 Philips Electronic Associated Digitising television signals
GB2179216B (en) * 1985-07-02 1989-04-26 English Electric Valve Co Ltd Amplifying arrangements
GB2211045B (en) * 1987-10-10 1991-08-21 Marconi Co Ltd Linearity adjusting circuit
US4905086A (en) * 1987-11-30 1990-02-27 Nec Corporation Television transmitter employing klystron with nonlinearity correction circuit
US5125100A (en) * 1990-07-02 1992-06-23 Katznelson Ron D Optimal signal synthesis for distortion cancelling multicarrier systems
US5161021A (en) * 1990-12-18 1992-11-03 Tsai Ching Yun Wireless video/audio signal or data transmission device and its remote control circuit
DE4119796A1 (de) * 1991-06-15 1992-12-17 Rohde & Schwarz Fernsehsender mit verzerrungs-korrektureinrichtung
JP3101102B2 (ja) * 1992-12-02 2000-10-23 富士通株式会社 電波盗視試験装置
FI109740B (fi) * 1993-06-11 2002-09-30 Nokia Corp Menetelmä lähetinvastaanotinyksikön testaamiseksi sekä aikajakoisen radiojärjestelmän tukiasema
US6018358A (en) * 1994-06-09 2000-01-25 Trilithic, Inc. Radio frequency leakage detection system for CATV system
WO1997009798A1 (en) * 1995-09-07 1997-03-13 Sherwood Robert D Airplane pilot communication aid
JPH09199948A (ja) * 1996-01-12 1997-07-31 Fujitsu Ltd 非線形補償回路
US6278743B1 (en) 1996-11-12 2001-08-21 Zenith Electronics Corporation Non linear amplitude precorrection for HDTV transmitter
US6215514B1 (en) 1997-06-27 2001-04-10 Trilithic, Inc. Ingress monitoring system
US6804826B1 (en) 1999-07-28 2004-10-12 Trilithic, Inc. Radio frequency leakage detection system for CATV system
US7483505B2 (en) * 2001-04-27 2009-01-27 The Directv Group, Inc. Unblind equalizer architecture for digital communication systems
US7184489B2 (en) * 2001-04-27 2007-02-27 The Directv Group, Inc. Optimization technique for layered modulation
US7184473B2 (en) * 2001-04-27 2007-02-27 The Directv Group, Inc. Equalizers for layered modulated and other signals
US7822154B2 (en) * 2001-04-27 2010-10-26 The Directv Group, Inc. Signal, interference and noise power measurement
US7151807B2 (en) * 2001-04-27 2006-12-19 The Directv Group, Inc. Fast acquisition of timing and carrier frequency from received signal
US7173981B1 (en) * 2001-04-27 2007-02-06 The Directv Group, Inc. Dual layer signal processing in a layered modulation digital signal system
US7209524B2 (en) * 2001-04-27 2007-04-24 The Directv Group, Inc. Layered modulation for digital signals
US7245671B1 (en) * 2001-04-27 2007-07-17 The Directv Group, Inc. Preprocessing signal layers in a layered modulation digital signal system to use legacy receivers
US8005035B2 (en) * 2001-04-27 2011-08-23 The Directv Group, Inc. Online output multiplexer filter measurement
US7502430B2 (en) * 2001-04-27 2009-03-10 The Directv Group, Inc. Coherent averaging for measuring traveling wave tube amplifier nonlinearity
US7583728B2 (en) * 2002-10-25 2009-09-01 The Directv Group, Inc. Equalizers for layered modulated and other signals
US7423987B2 (en) * 2001-04-27 2008-09-09 The Directv Group, Inc. Feeder link configurations to support layered modulation for digital signals
US7639759B2 (en) * 2001-04-27 2009-12-29 The Directv Group, Inc. Carrier to noise ratio estimations from a received signal
US7471735B2 (en) 2001-04-27 2008-12-30 The Directv Group, Inc. Maximizing power and spectral efficiencies for layered and conventional modulations
TWI324463B (en) * 2002-07-01 2010-05-01 Hughes Electronics Corp Improving hierarchical 8psk performance
AR040395A1 (es) * 2002-07-03 2005-03-30 Hughes Electronics Corp Metodo y aparato para modulacion por capas
CA2503530C (en) 2002-10-25 2009-12-22 The Directv Group, Inc. Lower complexity layered modulation signal processor
US7529312B2 (en) * 2002-10-25 2009-05-05 The Directv Group, Inc. Layered modulation for terrestrial ATSC applications
US7463676B2 (en) * 2002-10-25 2008-12-09 The Directv Group, Inc. On-line phase noise measurement for layered modulation
US7474710B2 (en) * 2002-10-25 2009-01-06 The Directv Group, Inc. Amplitude and phase matching for layered modulation reception
US7230480B2 (en) * 2002-10-25 2007-06-12 The Directv Group, Inc. Estimating the operating point on a non-linear traveling wave tube amplifier
US7173977B2 (en) * 2002-10-25 2007-02-06 The Directv Group, Inc. Method and apparatus for tailoring carrier power requirements according to availability in layered modulation systems
US7502429B2 (en) * 2003-10-10 2009-03-10 The Directv Group, Inc. Equalization for traveling wave tube amplifier nonlinearity measurements

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB526437A (en) * 1939-03-16 1940-09-18 Eric Lawrence Casling White Improvements in or relating to modulated high frequency transmitters
US2963579A (en) * 1956-07-20 1960-12-06 Cons Electrodynamics Corp Stair-step voltage function generator
GB1125336A (en) * 1966-03-23 1968-08-28 British Broadcasting Corp Improvements in amplitude limiters
GB1246209A (en) * 1969-05-21 1971-09-15 Marconi Co Ltd Improvements in or relating to high frequency power amplifying arrangements
GB1381597A (en) * 1971-07-22 1975-01-22 Marconi Co Ltd High frequency amplifier arrangements
US3730984A (en) * 1972-03-31 1973-05-01 Columbia Broadcasting Syst Inc Method and apparatus for automatic video distortion correction
US4092674A (en) * 1973-03-22 1978-05-30 Tektronix, Inc. Video transmission stabilization system
US3900823A (en) * 1973-03-28 1975-08-19 Nathan O Sokal Amplifying and processing apparatus for modulated carrier signals
DE2424491A1 (de) * 1974-05-20 1975-12-04 Hans H Plisch Fabrikation Elek Elektronische schaltung zur linearisierung eines breitbandigen verstaerkers, insbesondere eines fernsehsignal-verstaerkers
FR2275065A1 (fr) * 1974-06-11 1976-01-09 Lgt Lab Gen Telecomm Dispositif amplificateur linearise par correction automatique
FR2299759A1 (fr) * 1974-10-22 1976-08-27 Lgt Lab Gen Telecomm Dispositif correcteur de phase differentielle et emetteur de television comportant un tel dispositif
FR2301133A1 (fr) * 1975-02-14 1976-09-10 Thomson Csf Dispo
US3996419A (en) * 1975-05-27 1976-12-07 Westinghouse Electric Corporation Technique for minimizing multi-path distortion effects in video transmission
GB1604678A (en) * 1978-05-30 1981-12-16 Indep Broadcasting Authority Television systems
US4249214A (en) * 1979-03-23 1981-02-03 Rca Corporation Exciter having incidental phase correction compensation in consonance with output power level
US4359779A (en) * 1980-12-08 1982-11-16 International Telephone And Telegraph Corporation FM Transmitter with frequency ramp phase and amplitude correction means
US4434440A (en) * 1981-11-24 1984-02-28 Rca Corporation FM/TV Transmission system
FR2520572B1 (fr) * 1982-01-28 1986-01-17 Lgt Lab Gen Telecomm Systeme de correction de non-linearites par premodulation en frequences intermediaires dans un equipement de television
GB8403067D0 (en) * 1984-02-06 1984-03-07 Indep Broadcasting Authority Broadcast signal transmitters

Also Published As

Publication number Publication date
CA1238406A (en) 1988-06-21
EP0176138A3 (en) 1987-02-04
EP0176138B1 (de) 1990-12-27
JPH052034B2 (de) 1993-01-11
JPS6174472A (ja) 1986-04-16
ES8609857A1 (es) 1986-09-01
EP0176138A2 (de) 1986-04-02
GB8423440D0 (en) 1984-10-24
US4670789A (en) 1987-06-02
ES547052A0 (es) 1986-09-01
GB2164823A (en) 1986-03-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee