SG28693G - Circuitry for reducing demodulation phase error as for an automatic deghosting system - Google Patents

Circuitry for reducing demodulation phase error as for an automatic deghosting system

Info

Publication number
SG28693G
SG28693G SG286/93A SG28693A SG28693G SG 28693 G SG28693 G SG 28693G SG 286/93 A SG286/93 A SG 286/93A SG 28693 A SG28693 A SG 28693A SG 28693 G SG28693 G SG 28693G
Authority
SG
Singapore
Prior art keywords
circuitry
automatic
phase error
demodulation phase
reducing demodulation
Prior art date
Application number
SG286/93A
Other languages
English (en)
Original Assignee
Rca Thomson 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.)
Filing date
Publication date
Priority claimed from US06/868,113 external-priority patent/US4686569A/en
Priority claimed from US06/878,260 external-priority patent/US4688096A/en
Application filed by Rca Thomson Licensing Corp filed Critical Rca Thomson Licensing Corp
Publication of SG28693G publication Critical patent/SG28693G/en

Links

Classifications

    • 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
    • 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
    • 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
    • H03D3/009—Compensating quadrature phase or amplitude imbalances
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Noise Elimination (AREA)
  • Picture Signal Circuits (AREA)
SG286/93A 1986-05-29 1993-03-18 Circuitry for reducing demodulation phase error as for an automatic deghosting system SG28693G (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/868,113 US4686569A (en) 1986-05-29 1986-05-29 Circuitry for reducing demodulation phase error as for an automatic deghosting system
US06/878,260 US4688096A (en) 1986-06-25 1986-06-25 Demodulation phase error compensation circuitry as for an automatic deghosting system

Publications (1)

Publication Number Publication Date
SG28693G true SG28693G (en) 1993-05-21

Family

ID=27128036

Family Applications (1)

Application Number Title Priority Date Filing Date
SG286/93A SG28693G (en) 1986-05-29 1993-03-18 Circuitry for reducing demodulation phase error as for an automatic deghosting system

Country Status (7)

Country Link
JP (1) JP2627270B2 (enrdf_load_stackoverflow)
KR (1) KR950004103B1 (enrdf_load_stackoverflow)
DE (1) DE3718103A1 (enrdf_load_stackoverflow)
FR (1) FR2599574B1 (enrdf_load_stackoverflow)
GB (1) GB2191367B (enrdf_load_stackoverflow)
HK (1) HK41395A (enrdf_load_stackoverflow)
SG (1) SG28693G (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2287144B (en) * 1994-02-23 1998-11-18 Motorola Israel Ltd A radio device and a single-frequency radio transponder
DE4427018A1 (de) * 1994-07-29 1996-02-08 Siemens Ag Schaltungsanordnung zur Zwischenfrequenzdemodulation
KR100311522B1 (ko) * 1999-07-31 2001-10-18 서평원 디지털 티브이 중계기에서의 왜곡 신호 보상 방법 및 장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5199922A (enrdf_load_stackoverflow) * 1975-02-28 1976-09-03 Matsushita Electric Ind Co Ltd
JPS535559A (en) * 1976-07-05 1978-01-19 Nec Corp Synchronous demodulation system
JPS5942518B2 (ja) * 1976-12-24 1984-10-15 ソニー株式会社 信号制御回路
GB1595636A (en) * 1977-07-22 1981-08-12 Mitsubishi Electric Corp Apparatus for reducing ghosting of tv pictures
JPS54150027A (en) * 1978-05-18 1979-11-24 Sony Corp Television picture receiver
US4374400A (en) * 1981-06-16 1983-02-15 Rca Corporation Television ghost cancellation system with ghost carrier phase compensation
US4703357A (en) * 1985-12-24 1987-10-27 Rca Corporation Adaptive television deghosting system

Also Published As

Publication number Publication date
GB2191367A (en) 1987-12-09
DE3718103C2 (enrdf_load_stackoverflow) 1989-09-07
GB8712044D0 (en) 1987-06-24
HK41395A (en) 1995-03-31
FR2599574A1 (fr) 1987-12-04
DE3718103A1 (de) 1987-12-03
KR950004103B1 (ko) 1995-04-25
KR870011796A (ko) 1987-12-26
JPS62287781A (ja) 1987-12-14
JP2627270B2 (ja) 1997-07-02
GB2191367B (en) 1990-04-11
FR2599574B1 (fr) 1990-08-31

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