DE69209457D1 - Rekursives Kammfilter - Google Patents

Rekursives Kammfilter

Info

Publication number
DE69209457D1
DE69209457D1 DE69209457T DE69209457T DE69209457D1 DE 69209457 D1 DE69209457 D1 DE 69209457D1 DE 69209457 T DE69209457 T DE 69209457T DE 69209457 T DE69209457 T DE 69209457T DE 69209457 D1 DE69209457 D1 DE 69209457D1
Authority
DE
Germany
Prior art keywords
comb filter
recursive comb
recursive
filter
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
DE69209457T
Other languages
English (en)
Other versions
DE69209457T2 (de
Inventor
Mitsumo Kawano
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.)
Toshiba Corp
Original Assignee
Toshiba 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
Application filed by Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE69209457D1 publication Critical patent/DE69209457D1/de
Publication of DE69209457T2 publication Critical patent/DE69209457T2/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
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/30—Time-delay networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Television Signal Processing For Recording (AREA)
DE69209457T 1991-12-10 1992-12-02 Rekursives Kammfilter Expired - Fee Related DE69209457T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03326023A JP3139798B2 (ja) 1991-12-10 1991-12-10 信号ノイズ低減装置

Publications (2)

Publication Number Publication Date
DE69209457D1 true DE69209457D1 (de) 1996-05-02
DE69209457T2 DE69209457T2 (de) 1996-08-22

Family

ID=18183235

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69209457T Expired - Fee Related DE69209457T2 (de) 1991-12-10 1992-12-02 Rekursives Kammfilter

Country Status (5)

Country Link
US (1) US5311299A (de)
EP (1) EP0546441B1 (de)
JP (1) JP3139798B2 (de)
KR (1) KR960006637B1 (de)
DE (1) DE69209457T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2740113B2 (ja) * 1993-06-30 1998-04-15 株式会社東芝 クロマノイズリダクション装置
WO2003073750A1 (en) * 2002-02-28 2003-09-04 Koninklijke Philips Electronics N.V. Noise filtering in images
US9046742B2 (en) * 2013-07-30 2015-06-02 Ricoh Imaging Company, Ltd. Camera, control apparatus for cam drive mechanism and control method for cam drive mechanism

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4682251A (en) * 1984-03-21 1987-07-21 Victor Company Of Japan, Ltd. Video signal reproducing apparatus having a noise reduction circuit
US4748498A (en) * 1985-11-19 1988-05-31 Matsushita Electric Industrial Co., Ltd. Luminance signal processing circuit with recursive filter for reducing noise while retaining a high vertical resolution
US4775888A (en) * 1985-11-22 1988-10-04 Hitachi, Ltd. Motion detector for chrominance signal in TV receiver
JPS62190973A (ja) * 1986-02-18 1987-08-21 Victor Co Of Japan Ltd ノイズリダクシヨン回路
JP2508442B2 (ja) * 1987-06-09 1996-06-19 ソニー株式会社 ノイズ除去回路
US4926361A (en) * 1987-09-22 1990-05-15 Hitachi, Ltd. Digital noise reducer
US5105275A (en) * 1990-01-31 1992-04-14 Sanyo Electric Co., Ltd. Noise reduction circuit for video signal recording/reproduction device

Also Published As

Publication number Publication date
DE69209457T2 (de) 1996-08-22
EP0546441A1 (de) 1993-06-16
EP0546441B1 (de) 1996-03-27
JPH05160672A (ja) 1993-06-25
US5311299A (en) 1994-05-10
JP3139798B2 (ja) 2001-03-05
KR930015316A (ko) 1993-07-24
KR960006637B1 (ko) 1996-05-22

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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