JPS57211885A - Noise reduction circuit - Google Patents

Noise reduction circuit

Info

Publication number
JPS57211885A
JPS57211885A JP56096356A JP9635681A JPS57211885A JP S57211885 A JPS57211885 A JP S57211885A JP 56096356 A JP56096356 A JP 56096356A JP 9635681 A JP9635681 A JP 9635681A JP S57211885 A JPS57211885 A JP S57211885A
Authority
JP
Japan
Prior art keywords
luminance signal
reproduced luminance
reproduced
signal
subtractor
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
JP56096356A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6321394B2 (enrdf_load_stackoverflow
Inventor
Yutaka Ichii
Yoshiteru Kosaka
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.)
Victor Company of Japan Ltd
Nippon Victor KK
Original Assignee
Victor Company of Japan Ltd
Nippon Victor KK
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 Victor Company of Japan Ltd, Nippon Victor KK filed Critical Victor Company of Japan Ltd
Priority to JP56096356A priority Critical patent/JPS57211885A/ja
Publication of JPS57211885A publication Critical patent/JPS57211885A/ja
Publication of JPS6321394B2 publication Critical patent/JPS6321394B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—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)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
JP56096356A 1981-06-22 1981-06-22 Noise reduction circuit Granted JPS57211885A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56096356A JPS57211885A (en) 1981-06-22 1981-06-22 Noise reduction circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56096356A JPS57211885A (en) 1981-06-22 1981-06-22 Noise reduction circuit

Publications (2)

Publication Number Publication Date
JPS57211885A true JPS57211885A (en) 1982-12-25
JPS6321394B2 JPS6321394B2 (enrdf_load_stackoverflow) 1988-05-06

Family

ID=14162710

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56096356A Granted JPS57211885A (en) 1981-06-22 1981-06-22 Noise reduction circuit

Country Status (1)

Country Link
JP (1) JPS57211885A (enrdf_load_stackoverflow)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2544147A1 (fr) * 1983-04-07 1984-10-12 Victor Company Of Japan Circuit de reduction de bruit pour un signal video
JPS60130278A (ja) * 1983-12-16 1985-07-11 Matsushita Electric Ind Co Ltd 輝度信号処理装置
JPS6155253U (enrdf_load_stackoverflow) * 1984-09-18 1986-04-14
JPS62130075A (ja) * 1985-12-02 1987-06-12 Sony Corp 映像信号のノイズキヤンセル回路
US4698696A (en) * 1985-03-13 1987-10-06 Victor Company Of Japan, Ltd. Noise reduction circuit for video tape recording and playback apparatus
US4768094A (en) * 1985-08-30 1988-08-30 Victor Company Of Japan, Ltd. Noise suppressing circuit with gain control
JPH01123590A (ja) * 1987-11-07 1989-05-16 Mitsubishi Electric Corp ビデオ信号処理回路
US5105275A (en) * 1990-01-31 1992-04-14 Sanyo Electric Co., Ltd. Noise reduction circuit for video signal recording/reproduction device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5580966A (en) * 1978-12-14 1980-06-18 Matsushita Electric Ind Co Ltd Noise eliminating system for television signal
JPS5635580A (en) * 1980-06-18 1981-04-08 Hitachi Ltd Noise suppressing device for television signal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5580966A (en) * 1978-12-14 1980-06-18 Matsushita Electric Ind Co Ltd Noise eliminating system for television signal
JPS5635580A (en) * 1980-06-18 1981-04-08 Hitachi Ltd Noise suppressing device for television signal

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2544147A1 (fr) * 1983-04-07 1984-10-12 Victor Company Of Japan Circuit de reduction de bruit pour un signal video
US4575760A (en) * 1983-04-07 1986-03-11 Victor Company Of Japan Ltd. Noise reduction circuit for a video signal
JPS60130278A (ja) * 1983-12-16 1985-07-11 Matsushita Electric Ind Co Ltd 輝度信号処理装置
JPS6155253U (enrdf_load_stackoverflow) * 1984-09-18 1986-04-14
US4698696A (en) * 1985-03-13 1987-10-06 Victor Company Of Japan, Ltd. Noise reduction circuit for video tape recording and playback apparatus
US4768094A (en) * 1985-08-30 1988-08-30 Victor Company Of Japan, Ltd. Noise suppressing circuit with gain control
JPS62130075A (ja) * 1985-12-02 1987-06-12 Sony Corp 映像信号のノイズキヤンセル回路
JPH01123590A (ja) * 1987-11-07 1989-05-16 Mitsubishi Electric Corp ビデオ信号処理回路
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
JPS6321394B2 (enrdf_load_stackoverflow) 1988-05-06

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