FR2363229A1 - Dispositif reducteur de bruit pour systeme de videodisques notamment - Google Patents

Dispositif reducteur de bruit pour systeme de videodisques notamment

Info

Publication number
FR2363229A1
FR2363229A1 FR7726226A FR7726226A FR2363229A1 FR 2363229 A1 FR2363229 A1 FR 2363229A1 FR 7726226 A FR7726226 A FR 7726226A FR 7726226 A FR7726226 A FR 7726226A FR 2363229 A1 FR2363229 A1 FR 2363229A1
Authority
FR
France
Prior art keywords
signals
reducing device
noise reducing
amplifier
allow
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
FR7726226A
Other languages
English (en)
French (fr)
Other versions
FR2363229B1 (enExample
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 FR2363229A1 publication Critical patent/FR2363229A1/fr
Application granted granted Critical
Publication of FR2363229B1 publication Critical patent/FR2363229B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • 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)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Picture Signal Circuits (AREA)
  • Television Signal Processing For Recording (AREA)
  • Processing Of Color Television Signals (AREA)
FR7726226A 1976-08-30 1977-08-29 Dispositif reducteur de bruit pour systeme de videodisques notamment Granted FR2363229A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/718,804 US4110784A (en) 1976-08-30 1976-08-30 Noise reduction apparatus

Publications (2)

Publication Number Publication Date
FR2363229A1 true FR2363229A1 (fr) 1978-03-24
FR2363229B1 FR2363229B1 (enExample) 1983-12-23

Family

ID=24887625

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7726226A Granted FR2363229A1 (fr) 1976-08-30 1977-08-29 Dispositif reducteur de bruit pour systeme de videodisques notamment

Country Status (5)

Country Link
US (1) US4110784A (enExample)
JP (1) JPS5338212A (enExample)
DE (1) DE2738189C2 (enExample)
FR (1) FR2363229A1 (enExample)
GB (2) GB1596131A (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4167749A (en) * 1977-05-26 1979-09-11 Rca Corporation Noise reduction apparatus
JPS5526787A (en) * 1978-08-17 1980-02-26 Toshiba Corp Video signal regenerator
DE2839654C2 (de) * 1978-09-12 1983-11-17 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur Unterdrückung des Störanteils in verrauschten Meßsignalen
US4312013A (en) * 1979-09-19 1982-01-19 Rca Corporation Non-linear aperture correction circuit
JPS5556775A (en) * 1978-10-20 1980-04-25 Sony Corp Noise eliminating circuit
JPS55117712A (en) * 1979-02-28 1980-09-10 Matsushita Electric Ind Co Ltd Noise reduction circuit of video signal recording and reproducing device
US4224638A (en) * 1979-05-11 1980-09-23 Rca Corporation Frequency multiplier for use with CCD comb filter
DE3226432A1 (de) * 1981-10-14 1984-01-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur versteilerung der flanken eines videosignals
JPS6077114U (ja) * 1983-11-01 1985-05-29 パイオニア株式会社 Ｆｍ信号復調装置
DE3530299A1 (de) * 1985-08-26 1987-03-05 Bosch Gmbh Robert Schaltungsanordnung zur reduzierung des kantenrauschens bei der uebertragung von videosignalen
JPH0720263B2 (ja) * 1986-01-17 1995-03-06 ソニー株式会社 搬送色信号処理回路
FR2605159B1 (fr) * 1986-10-08 1993-10-08 Production Creation Audiovisuell Correcteur anti-oscillations notamment pour filtre
US4811404A (en) * 1987-10-01 1989-03-07 Motorola, Inc. Noise suppression system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2143467A1 (enExample) * 1971-06-24 1973-02-02 Philips Nv
US3818362A (en) * 1971-05-04 1974-06-18 Philips Corp Noise reduction circuit

Family Cites Families (14)

* 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
BE531323A (enExample) * 1953-09-01
US3333055A (en) * 1963-06-01 1967-07-25 Fernseh Gmbh Apparatus for increasing the signal-to-noise ratio of a television signal
US3288930A (en) * 1964-11-12 1966-11-29 Winston Res Corp Wide-band signal-translating channel
DE1908247B2 (de) * 1969-02-19 1971-03-04 Fernseh Gmbh, 6100 Darmstadt Schaltungsanordnung zur verringerung von stoerungen hoeherer frequenz (rauschen) in breitbandigen elektrischen signalen insbesondere fernsehsignalen
US3715477A (en) * 1971-03-11 1973-02-06 Rca Corp Video signal noise-limiting apparatus
US3842194A (en) * 1971-03-22 1974-10-15 Rca Corp Information records and recording/playback systems therefor
GB1431378A (en) * 1972-04-19 1976-04-07 Rca Corp Colour information translating systems
US3775555A (en) * 1972-08-31 1973-11-27 Modulator system
US3969756A (en) * 1974-11-12 1976-07-13 Rca Corporation Color-picture/multichannel-sound record and recording/playback apparatus and methods therefor
GB1524356A (en) * 1974-11-18 1978-09-13 Rca Corp Corporation sync separator
JPS5541588B2 (enExample) * 1974-11-21 1980-10-24
US3969757A (en) * 1975-04-21 1976-07-13 Rca Corporation Color image signal processing circuits
US4009334A (en) * 1976-03-17 1977-02-22 Eastman Kodak Company Video noise reduction circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3818362A (en) * 1971-05-04 1974-06-18 Philips Corp Noise reduction circuit
FR2143467A1 (enExample) * 1971-06-24 1973-02-02 Philips Nv

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/72 *

Also Published As

Publication number Publication date
DE2738189A1 (de) 1978-03-02
JPS5731827B2 (enExample) 1982-07-07
FR2363229B1 (enExample) 1983-12-23
GB1596131A (en) 1981-08-19
US4110784A (en) 1978-08-29
JPS5338212A (en) 1978-04-08
GB1586360A (en) 1981-03-18
DE2738189C2 (de) 1983-04-21

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