FI930133A - System foer eliminering av kvadratisk distortion - Google Patents
System foer eliminering av kvadratisk distortion Download PDFInfo
- Publication number
- FI930133A FI930133A FI930133A FI930133A FI930133A FI 930133 A FI930133 A FI 930133A FI 930133 A FI930133 A FI 930133A FI 930133 A FI930133 A FI 930133A FI 930133 A FI930133 A FI 930133A
- Authority
- FI
- Finland
- Prior art keywords
- kvadratisk
- distortion
- system foer
- eliminering
- foer eliminering
- Prior art date
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)
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)
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)
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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