FI930133A - System foer eliminering av kvadratisk distortion - Google Patents

System foer eliminering av kvadratisk distortion Download PDF

Info

Publication number: FI930133A
Authority: FI; Finland
Prior art keywords: kvadratisk; distortion; system foer; eliminering; foer eliminering
Prior art date: 1990-07-31

Application number

FI930133A

Other languages

English (en)

Other versions

FI930133A0 (fi

Inventor

James John Gibson

Krishnamurthy Jonnalagadda

Original Assignee

Rca Licensing Corp

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.)

1990-07-31

Filing date

1993-01-13

Publication date

1993-01-13

1993-01-13 Application filed by Rca Licensing Corp filed Critical Rca Licensing Corp

1993-01-13 Publication of FI930133A0 publication Critical patent/FI930133A0/fi

1993-01-13 Publication of FI930133A publication Critical patent/FI930133A/fi

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/24—High-definition television systems
- H04N11/30—High-definition television systems with transmission of the extra information by means of quadrature modulation
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
- H04N5/211—Ghost signal cancellation
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
- H03D1/2245—Homodyne or synchrodyne circuits using two quadrature channels
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
- H03D1/24—Homodyne or synchrodyne circuits for demodulation of signals wherein one sideband or the carrier has been wholly or partially suppressed

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Noise Elimination (AREA)

FI930133A 1990-07-31 1993-01-13 System foer eliminering av kvadratisk distortion FI930133A (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US56094390A	1990-07-31	1990-07-31
PCT/US1991/005389 WO1992003015A1 (en)	1990-07-31	1991-07-30	Quadrature distortion cancellation system

Publications (2)

Publication Number	Publication Date
FI930133A0 FI930133A0 (fi)	1993-01-13
FI930133A true FI930133A (fi)	1993-01-13

Family

ID=24240019

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI930133A FI930133A (fi)	1990-07-31	1993-01-13	System foer eliminering av kvadratisk distortion

Country Status (8)

Country	Link
US (1)	US5177611A (fi)
EP (1)	EP0541668A1 (fi)
JP (1)	JPH05508523A (fi)
KR (1)	KR100226183B1 (fi)
CN (1)	CN1039373C (fi)
CA (1)	CA2086239A1 (fi)
FI (1)	FI930133A (fi)
WO (1)	WO1992003015A1 (fi)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6937292B1 (en)	1992-04-22	2005-08-30	Samsung Electronics Co., Ltd.	Ghost cancellation reference signal with bessel chirps and PN sequences, and TV receiver using such signal
US5406587A (en) *	1993-02-08	1995-04-11	Zenith Electronics Corporation	Error tracking loop
KR0123189B1 (ko) *	1993-03-22	1997-11-17	모리시타 요이찌	파형등화기
US5532755A (en) *	1994-01-05	1996-07-02	Samsung Electronics Co., Ltd.	Apparatus for suppressing ghosts in signals modulating a carrier in quadrature phasing with a video carrier
KR0124598B1 (ko) *	1994-04-12	1997-12-01	구자홍	에이치디티브이(hdtv) 수신기의 브이에스비(vsb) 필터
DE4444870C1 (de) *	1994-12-16	1995-10-26	Ant Nachrichtentech	Demodulator für ein komplexwertiges Restseitenbandsignal
US5602601A (en) *	1995-04-21	1997-02-11	L. G. Electronics Inc.	Phase error corrector for HDTV reception system
US5764704A (en) *	1996-06-17	1998-06-09	Symmetricom, Inc.	DSP implementation of a cellular base station receiver
KR100233390B1 (ko) *	1997-02-21	1999-12-01	구자홍	티브이수상기의 칼라왜곡 보정 방법 및 장치
KR100413412B1 (ko) *	1997-04-25	2004-04-14	엘지전자 주식회사	디지탈 잔류측파대(vsb) 복조장치
KR100413413B1 (ko) *	1997-05-02	2004-04-14	엘지전자 주식회사	디지털 잔류측파대(vsb) 복조장치
US6201582B1 (en) *	1997-09-19	2001-03-13	Philips Electronics North America Corporation	Circuit for moiré suppression
US6618096B1 (en)	1997-09-29	2003-09-09	Scientific-Atlanta, Inc.	System and method for adaptively balancing quadrature modulators for vestigial-sideband generation
US5909253A (en) *	1997-12-09	1999-06-01	Sarnoff Corporation	Reducing video crosstalk in a data carrier located within a vestigial sideband of a standard television signal
US6304299B1 (en) *	1998-11-30	2001-10-16	General Electric Company	System and method for mitigating multipath effects in television systems
WO2004090860A1 (ja) *	2003-04-01	2004-10-21	Matsushita Electric Industrial Co., Ltd.	映像合成回路
WO2007052216A1 (en) *	2005-11-04	2007-05-10	Koninklijke Philips Electronics N.V.	Rendering of image data for multi-view display

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3914691A (en) *	1974-08-21	1975-10-21	Bell Telephone Labor Inc	Repositioning of equalizer tap-gain coefficients
FR2398423A1 (fr) *	1977-07-22	1979-02-16	Mitsubishi Electric Corp	Circuit d'annulation d'ondes fantomes
US4616252A (en) *	1984-07-16	1986-10-07	Rca Corporation	Sampled color difference signal processing system having a quadrature distortion reduction differentiator
US4703357A (en) *	1985-12-24	1987-10-27	Rca Corporation	Adaptive television deghosting system
US4688096A (en) *	1986-06-25	1987-08-18	Rca Corporation	Demodulation phase error compensation circuitry as for an automatic deghosting system
US4882614A (en) *	1986-07-14	1989-11-21	Matsushita Electric Industrial Co., Ltd.	Multiplex signal processing apparatus
CA1297580C (en) *	1987-09-18	1992-03-17	Shuji Inoue	Multiplex signal processing apparatus
US4864403A (en) *	1988-02-08	1989-09-05	Rca Licensing Corporation	Adaptive television ghost cancellation system including filter circuitry with non-integer sample delay
US4870480A (en) *	1988-06-13	1989-09-26	Rca Licensing Corporation	Subnyquist demodulator as for a television receiver
US4980767A (en) *	1989-11-30	1990-12-25	At&T Bell Laboratories	Technique for determining signal dispersion characteristics in communications systems

1990
- 1990-07-31 US US07/560,943 patent/US5177611A/en not_active Expired - Fee Related
1991
- 1991-07-30 WO PCT/US1991/005389 patent/WO1992003015A1/en not_active Application Discontinuation
- 1991-07-30 EP EP91914278A patent/EP0541668A1/en not_active Withdrawn
- 1991-07-30 JP JP3513402A patent/JPH05508523A/ja active Pending
- 1991-07-30 KR KR1019930700154A patent/KR100226183B1/ko not_active IP Right Cessation
- 1991-07-30 CA CA002086239A patent/CA2086239A1/en not_active Abandoned
- 1991-07-30 CN CN91105197A patent/CN1039373C/zh not_active Expired - Fee Related
1993
- 1993-01-13 FI FI930133A patent/FI930133A/fi unknown

Also Published As

Publication number	Publication date
FI930133A0 (fi)	1993-01-13
CN1058686A (zh)	1992-02-12
KR100226183B1 (ko)	1999-10-15
EP0541668A1 (en)	1993-05-19
WO1992003015A1 (en)	1992-02-20
CN1039373C (zh)	1998-07-29
CA2086239A1 (en)	1992-01-31
JPH05508523A (ja)	1993-11-25
US5177611A (en)	1993-01-05

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