DE68927580D1 - Schaltungsanordnung zur Kammfilterung von PAL- und NTSC-Videosignalen - Google Patents

Schaltungsanordnung zur Kammfilterung von PAL- und NTSC-Videosignalen

Info

Publication number
DE68927580D1
DE68927580D1 DE68927580T DE68927580T DE68927580D1 DE 68927580 D1 DE68927580 D1 DE 68927580D1 DE 68927580 T DE68927580 T DE 68927580T DE 68927580 T DE68927580 T DE 68927580T DE 68927580 D1 DE68927580 D1 DE 68927580D1
Authority
DE
Germany
Prior art keywords
pal
video signals
circuit arrangement
comb filtering
comb
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
DE68927580T
Other languages
English (en)
Other versions
DE68927580T2 (de
Inventor
Rainer Schweer
David Gillies
Stuart Stanley Perlman
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.)
RCA Licensing Corp
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.)
Filing date
Publication date
Priority claimed from DE19883833692 external-priority patent/DE3833692A1/de
Priority claimed from US07/261,522 external-priority patent/US4961108A/en
Application filed by RCA Licensing Corp filed Critical RCA Licensing Corp
Priority to DE68927580T priority Critical patent/DE68927580T2/de
Application granted granted Critical
Publication of DE68927580D1 publication Critical patent/DE68927580D1/de
Publication of DE68927580T2 publication Critical patent/DE68927580T2/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
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
DE68927580T 1988-10-04 1989-09-30 Schaltungsanordnung zur Kammfilterung von PAL- und NTSC-Videosignalen Expired - Fee Related DE68927580T2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE68927580T DE68927580T2 (de) 1988-10-04 1989-09-30 Schaltungsanordnung zur Kammfilterung von PAL- und NTSC-Videosignalen

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19883833692 DE3833692A1 (de) 1988-10-04 1988-10-04 Kammfilter zur trennung von leuchtdichtesignal und farbartsignal eines fbas-pal-signals
US07/261,522 US4961108A (en) 1988-10-24 1988-10-24 Circuitry for comb filtering PAL and NTSC video signals
DE68927580T DE68927580T2 (de) 1988-10-04 1989-09-30 Schaltungsanordnung zur Kammfilterung von PAL- und NTSC-Videosignalen

Publications (2)

Publication Number Publication Date
DE68927580D1 true DE68927580D1 (de) 1997-02-06
DE68927580T2 DE68927580T2 (de) 1997-06-12

Family

ID=25872841

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68927580T Expired - Fee Related DE68927580T2 (de) 1988-10-04 1989-09-30 Schaltungsanordnung zur Kammfilterung von PAL- und NTSC-Videosignalen

Country Status (7)

Country Link
EP (1) EP0362747B1 (de)
CN (1) CN1021275C (de)
AT (1) ATE146926T1 (de)
DE (1) DE68927580T2 (de)
ES (1) ES2096552T3 (de)
FI (1) FI92544C (de)
SG (1) SG64912A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5005074A (en) * 1989-11-17 1991-04-02 Rca Licensing Corporation Adaptive multistandard video comb filter
US5016092A (en) * 1989-11-17 1991-05-14 Rca Licensing Corporation Control circuitry for an adaptive multistandard video comb filter
US6134373A (en) * 1990-08-17 2000-10-17 Samsung Electronics Co., Ltd. System for recording and reproducing a wide bandwidth video signal via a narrow bandwidth medium
KR930010928B1 (ko) * 1990-08-17 1993-11-17 삼성전자 주식회사 비디오 신호 기록 및 재생장치
US6104863A (en) 1990-08-17 2000-08-15 Samsung Electronics Co., Ltd. Video signal encoded with additional detail information
GB2328339B (en) * 1997-02-14 2001-08-08 Vistek Electronics Ltd Video signal luminance and chrominance separation
GB9703143D0 (en) * 1997-02-14 1997-04-02 Vistek Electronics An improved method of luminance and chrominance separation for video signals
CN101605268B (zh) * 2008-06-10 2011-02-16 凌阳科技股份有限公司 梳型滤波器上的边缘方向检测的系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4178609A (en) * 1977-10-25 1979-12-11 The Magnavox Company Comb filter having improved luminance response
DE3067117D1 (en) * 1979-06-18 1984-04-26 Fernseh Inc Method and circuit for correcting the phase of the chroma component by digital comb filtering a pal-television signal
BE882781A (nl) * 1980-04-15 1980-07-31 Barco Electronic N V Werkwijze voor een ntsc kamfilter met verbeterde horizontale en vertikale resolutie
JPS5925491A (ja) * 1983-07-02 1984-02-09 Hitachi Ltd Ｐａｌ信号のｙｃ分離回路
JPS6019387A (ja) * 1983-07-13 1985-01-31 Matsushita Electric Ind Co Ltd くし形フイルタ装置
JPS63180287A (ja) * 1987-01-21 1988-07-25 Toshiba Corp 適応型輝度色度分離回路

Also Published As

Publication number Publication date
SG64912A1 (en) 1999-05-25
FI894570A0 (fi) 1989-09-27
ATE146926T1 (de) 1997-01-15
FI92544C (fi) 1994-11-25
FI92544B (fi) 1994-08-15
FI894570A (fi) 1990-04-05
DE68927580T2 (de) 1997-06-12
EP0362747A2 (de) 1990-04-11
CN1021275C (zh) 1993-06-16
EP0362747B1 (de) 1996-12-27
CN1044375A (zh) 1990-08-01
EP0362747A3 (de) 1992-04-29
ES2096552T3 (es) 1997-03-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee