GB2098023A - Noise suppression circuit or a video signal - Google Patents

Noise suppression circuit or a video signal Download PDF

Info

Publication number
GB2098023A
GB2098023A GB8212664A GB8212664A GB2098023A GB 2098023 A GB2098023 A GB 2098023A GB 8212664 A GB8212664 A GB 8212664A GB 8212664 A GB8212664 A GB 8212664A GB 2098023 A GB2098023 A GB 2098023A
Authority
GB
United Kingdom
Prior art keywords
circuit
input
output
noise suppression
linear
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.)
Withdrawn
Application number
GB8212664A
Other languages
English (en)
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
Publication of GB2098023A publication Critical patent/GB2098023A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
GB8212664A 1981-05-04 1982-04-30 Noise suppression circuit or a video signal Withdrawn GB2098023A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8102181A NL8102181A (nl) 1981-05-04 1981-05-04 Ruisonderdrukkingsschakeling voor een videosignaal.

Publications (1)

Publication Number Publication Date
GB2098023A true GB2098023A (en) 1982-11-10

Family

ID=19837437

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8212664A Withdrawn GB2098023A (en) 1981-05-04 1982-04-30 Noise suppression circuit or a video signal

Country Status (5)

Country Link
JP (1) JPS57185773A (nl)
DE (1) DE3215733A1 (nl)
FR (1) FR2505103A1 (nl)
GB (1) GB2098023A (nl)
NL (1) NL8102181A (nl)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3311898A1 (de) * 1983-03-31 1984-10-18 Siemens AG, 1000 Berlin und 8000 München Verfahren zur stoersignalreduktion von digitalen datenreduzierten fernsehsignalen
EP0175275A2 (en) * 1984-09-12 1986-03-26 Matsushita Electric Industrial Co., Ltd. Non-linear signal processing apparatus
EP0197767A2 (en) * 1985-04-03 1986-10-15 Matsushita Electric Industrial Co., Ltd. Video signal processing apparatus
EP0278786A1 (en) * 1987-02-13 1988-08-17 Victor Company Of Japan, Limited Noise reducing circuit for video signal
EP0423961A2 (en) * 1989-09-28 1991-04-24 Sony Corporation Video special effects apparatus

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504864A (en) * 1982-12-30 1985-03-12 International Business Machines Corporation Nonlinear filtering of gray scale images
JPS6030285A (ja) * 1983-07-29 1985-02-15 Victor Co Of Japan Ltd 映像信号記録再生装置
JPS6184972A (ja) * 1984-10-03 1986-04-30 Hitachi Ltd 映像信号の垂直方向エンフアシス回路
JPS61242175A (ja) * 1985-04-18 1986-10-28 Mitsubishi Electric Corp くし形フイルタ
JP2508442B2 (ja) * 1987-06-09 1996-06-19 ソニー株式会社 ノイズ除去回路

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4107739A (en) * 1977-08-22 1978-08-15 Cbs Inc. System utilizing integration and motion evaluation for reducing noise in video signal

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3311898A1 (de) * 1983-03-31 1984-10-18 Siemens AG, 1000 Berlin und 8000 München Verfahren zur stoersignalreduktion von digitalen datenreduzierten fernsehsignalen
EP0175275A2 (en) * 1984-09-12 1986-03-26 Matsushita Electric Industrial Co., Ltd. Non-linear signal processing apparatus
EP0175275A3 (en) * 1984-09-12 1987-05-13 Matsushita Electric Industrial Co., Ltd. Non-linear signal processing apparatus
EP0197767A2 (en) * 1985-04-03 1986-10-15 Matsushita Electric Industrial Co., Ltd. Video signal processing apparatus
EP0197767A3 (en) * 1985-04-03 1988-07-27 Matsushita Electric Industrial Co., Ltd. Video signal processing apparatus
EP0278786A1 (en) * 1987-02-13 1988-08-17 Victor Company Of Japan, Limited Noise reducing circuit for video signal
US4792855A (en) * 1987-02-13 1988-12-20 Victor Company Of Japan, Ltd. Noise reducing circuit for video signal
EP0423961A2 (en) * 1989-09-28 1991-04-24 Sony Corporation Video special effects apparatus
EP0423961A3 (en) * 1989-09-28 1992-07-08 Sony Corporation Video special effects apparatus

Also Published As

Publication number Publication date
FR2505103A1 (fr) 1982-11-05
DE3215733A1 (de) 1983-01-20
NL8102181A (nl) 1982-12-01
JPS57185773A (en) 1982-11-16

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)