DE2822837A1 - Anordnung zur verminderung des stoeranteils in nutzsignalen - Google Patents

Anordnung zur verminderung des stoeranteils in nutzsignalen

Info

Publication number
DE2822837A1
DE2822837A1 DE19782822837 DE2822837A DE2822837A1 DE 2822837 A1 DE2822837 A1 DE 2822837A1 DE 19782822837 DE19782822837 DE 19782822837 DE 2822837 A DE2822837 A DE 2822837A DE 2822837 A1 DE2822837 A1 DE 2822837A1
Authority
DE
Germany
Prior art keywords
signal
arrangement
output
output signal
components
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.)
Granted
Application number
DE19782822837
Other languages
German (de)
English (en)
Other versions
DE2822837C2 (de
Inventor
Thomas William Burrus
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 Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Publication of DE2822837A1 publication Critical patent/DE2822837A1/de
Application granted granted Critical
Publication of DE2822837C2 publication Critical patent/DE2822837C2/de
Expired 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/911—Television signal processing therefor for the suppression of noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Television Signal Processing For Recording (AREA)
DE2822837A 1977-05-26 1978-05-24 Schaltung zur dynamischen Unterdrückung kleiner Wechselsignalamplituden Expired DE2822837C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/801,001 US4167749A (en) 1977-05-26 1977-05-26 Noise reduction apparatus

Publications (2)

Publication Number Publication Date
DE2822837A1 true DE2822837A1 (de) 1978-12-07
DE2822837C2 DE2822837C2 (de) 1987-05-07

Family

ID=25179935

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2822837A Expired DE2822837C2 (de) 1977-05-26 1978-05-24 Schaltung zur dynamischen Unterdrückung kleiner Wechselsignalamplituden

Country Status (3)

Country Link
US (1) US4167749A (US20100268047A1-20101021-C00003.png)
JP (1) JPS53147434A (US20100268047A1-20101021-C00003.png)
DE (1) DE2822837C2 (US20100268047A1-20101021-C00003.png)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54143021A (en) * 1978-04-28 1979-11-07 Sony Corp Processing circuit of video signal
US4309722A (en) * 1980-05-27 1982-01-05 Rca Corporation Video disc player noise reduction circuit
GB2118007B (en) * 1982-03-31 1985-11-13 Rca Corp Adjustable coring circuit
US4509080A (en) * 1982-07-02 1985-04-02 Rca Corporation Video signal peaking system
GB2118396B (en) * 1982-03-31 1985-09-25 Rca Corp Video signal peaking system
US4437124A (en) * 1982-04-30 1984-03-13 Rca Corporation Dynamic coring circuit
US4538236A (en) * 1982-09-24 1985-08-27 Rca Corporation Adaptive digital signal coring circuit
US4538178A (en) * 1983-06-24 1985-08-27 Rca Corporation Digital signal peaking apparatus with controllable peaking level
US4573075A (en) * 1983-06-24 1986-02-25 Rca Corporation Digital signal coring apparatus with controllable coring threshold level
US4536796A (en) * 1983-08-23 1985-08-20 Rca Corporation Non-linear dynamic coring circuit for video signals
JPH0620304B2 (ja) * 1985-03-04 1994-03-16 株式会社東芝 動き部分検出回路
US4918633A (en) * 1985-11-25 1990-04-17 Eastman Kodak Company Digital image noise reduction method and transmission system
JPH0760566B2 (ja) * 1986-04-08 1995-06-28 ソニー株式会社 Ｆｍ録再系のノイズ低減回路
US5025316A (en) * 1989-11-06 1991-06-18 North American Philips Corporation Video noise reduction system with measured noise input
US5799111A (en) * 1991-06-14 1998-08-25 D.V.P. Technologies, Ltd. Apparatus and methods for smoothing images
DE19925046A1 (de) * 1999-06-01 2001-05-03 Alcatel Sa Verfahren und Vorrichtung zur Unterdrückung von Rauschen und Echos

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB685483A (en) * 1950-06-23 1953-01-07 Gen Electric Co Ltd Improvements in or relating to television apparatus
US3602737A (en) * 1969-02-19 1971-08-31 Fernseh Gmbh Circuit arrangement for reduction of high frequency noise disturbances in wide bandsignals such as video signals
US4110784A (en) * 1976-08-30 1978-08-29 Rca Corporation Noise reduction apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3971064A (en) * 1971-02-16 1976-07-20 Rca Corporation Video de-peaking circuit in luminance channel in response to AGC signal
US3715477A (en) * 1971-03-11 1973-02-06 Rca Corp Video signal noise-limiting apparatus
US3872387A (en) * 1972-09-29 1975-03-18 Zenith Radio Corp Frequency response modifier for fixed-tuned IF amplifiers
JPS5541588B2 (US20100268047A1-20101021-C00003.png) * 1974-11-21 1980-10-24
US4009334A (en) * 1976-03-17 1977-02-22 Eastman Kodak Company Video noise reduction circuit
US4074321A (en) * 1976-10-12 1978-02-14 The Magnavox Company Circuit for separating chroma and luminance information in a composite video signal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB685483A (en) * 1950-06-23 1953-01-07 Gen Electric Co Ltd Improvements in or relating to television apparatus
US3602737A (en) * 1969-02-19 1971-08-31 Fernseh Gmbh Circuit arrangement for reduction of high frequency noise disturbances in wide bandsignals such as video signals
US4110784A (en) * 1976-08-30 1978-08-29 Rca Corporation Noise reduction apparatus

Also Published As

Publication number Publication date
JPS53147434A (en) 1978-12-22
JPS6148313B2 (US20100268047A1-20101021-C00003.png) 1986-10-23
US4167749A (en) 1979-09-11
DE2822837C2 (de) 1987-05-07

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee