IT1257389B - Circuito antiriflessioni per segnali video e teletext con suddivisionedel filtro globale in una pluralita' di filtri con numero ridotto di coefficienti - Google Patents

Circuito antiriflessioni per segnali video e teletext con suddivisionedel filtro globale in una pluralita' di filtri con numero ridotto di coefficienti

Info

Publication number
IT1257389B
IT1257389B ITTO920624A ITTO920624A IT1257389B IT 1257389 B IT1257389 B IT 1257389B IT TO920624 A ITTO920624 A IT TO920624A IT TO920624 A ITTO920624 A IT TO920624A IT 1257389 B IT1257389 B IT 1257389B
Authority
IT
Italy
Prior art keywords
coefficients
video
filters
reduced number
division
Prior art date
Application number
ITTO920624A
Other languages
English (en)
Italian (it)
Original Assignee
Seleco Spa
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 Seleco Spa filed Critical Seleco Spa
Priority to ITTO920624A priority Critical patent/IT1257389B/it
Publication of ITTO920624A0 publication Critical patent/ITTO920624A0/it
Priority to EP93202067A priority patent/EP0580224A2/en
Publication of ITTO920624A1 publication Critical patent/ITTO920624A1/it
Application granted granted Critical
Publication of IT1257389B publication Critical patent/IT1257389B/it

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/06Non-recursive filters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/21Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H04N5/211Ghost signal cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
ITTO920624A 1992-07-22 1992-07-22 Circuito antiriflessioni per segnali video e teletext con suddivisionedel filtro globale in una pluralita' di filtri con numero ridotto di coefficienti IT1257389B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITTO920624A IT1257389B (it) 1992-07-22 1992-07-22 Circuito antiriflessioni per segnali video e teletext con suddivisionedel filtro globale in una pluralita' di filtri con numero ridotto di coefficienti
EP93202067A EP0580224A2 (en) 1992-07-22 1993-07-16 Anti-reflection circuit for video and teletext signals with subdivision of the global filter in a plurality of filters with a reduced number of coefficients

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO920624A IT1257389B (it) 1992-07-22 1992-07-22 Circuito antiriflessioni per segnali video e teletext con suddivisionedel filtro globale in una pluralita' di filtri con numero ridotto di coefficienti

Publications (3)

Publication Number Publication Date
ITTO920624A0 ITTO920624A0 (it) 1992-07-22
ITTO920624A1 ITTO920624A1 (it) 1994-01-22
IT1257389B true IT1257389B (it) 1996-01-15

Family

ID=11410624

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO920624A IT1257389B (it) 1992-07-22 1992-07-22 Circuito antiriflessioni per segnali video e teletext con suddivisionedel filtro globale in una pluralita' di filtri con numero ridotto di coefficienti

Country Status (2)

Country Link
EP (1) EP0580224A2 (cg-RX-API-DMAC7.html)
IT (1) IT1257389B (cg-RX-API-DMAC7.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69327900T2 (de) * 1993-06-09 2000-07-06 Stmicroelectronics S.R.L., Agrate Brianza Adaptives Verfahren zur Entfernung von Geisterbildern in Videosignalen
US6285709B1 (en) 1997-10-31 2001-09-04 3 Com Corporation Error filtering in a hybrid equalizer system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6386968A (ja) * 1986-09-30 1988-04-18 Toshiba Corp ゴ−スト除去装置
EP0421526B1 (en) * 1989-10-06 1996-07-31 Koninklijke Philips Electronics N.V. Adaptive ghost cancellation circuit

Also Published As

Publication number Publication date
EP0580224A3 (cg-RX-API-DMAC7.html) 1994-08-31
ITTO920624A1 (it) 1994-01-22
ITTO920624A0 (it) 1992-07-22
EP0580224A2 (en) 1994-01-26

Similar Documents

Publication Publication Date Title
KR900702646A (ko) 비재귀부분과 재귀부분을 포함하는 적응디지탈 필터
KR930701866A (ko) 어댑티브 필터 갱신 계수를 최적화시키는 방법
DE59103519D1 (de) Filter für Aquarien.
EP0047199A3 (en) Interpolating recursive digital filter using distributed arithmetic
FI823708L (fi) Digitalfilter med tvao utgaongar
DE69102632D1 (de) Digitale korrekturschaltung für monopuls-prozessor.
GB9004707D0 (en) Recursive video blur effect
FR2450540A1 (fr) Systeme de transmission de signaux numeriques
DE3852866D1 (de) Filterschaltung zur Geisterbildauslöschung.
GB2243045B (en) Circuit arrangement for filtering video signals
AU9175182A (en) Recursive digital filter
EP0620681A3 (en) Video signal processing.
DE69231966D1 (de) Schwermetallcluster zur verwendung als abbildungsmittel
NO880622L (no) Filter for katodestraaleskjerm.
DE69026373D1 (de) Filterkreis für digitale Signale
DE3485969D1 (de) Adaptives digitalfilter.
IT1257389B (it) Circuito antiriflessioni per segnali video e teletext con suddivisionedel filtro globale in una pluralita' di filtri con numero ridotto di coefficienti
FR2846830B1 (fr) Procede de filtrage spatio-temporel du bruit fluoroscopique
DE69129361D1 (de) Digitales Filter
FI861102A7 (fi) Rekursiivinen ensimmäisen asteen digitaalinen videosignaalisuodatin.
DE69106794D1 (de) Videosignalverarbeitungsverfahren.
DK0534921T3 (da) RFI gennemføring til afskærmning af signaler
DE69320681D1 (de) Digitales Filter
KR890700968A (ko) 디지탈 적응 필터
DE69113322D1 (de) Video-Schnittstellen-Schaltung.

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950728