JPS52139408A - Noise removing circuit - Google Patents

Noise removing circuit

Info

Publication number
JPS52139408A
JPS52139408A JP5621576A JP5621576A JPS52139408A JP S52139408 A JPS52139408 A JP S52139408A JP 5621576 A JP5621576 A JP 5621576A JP 5621576 A JP5621576 A JP 5621576A JP S52139408 A JPS52139408 A JP S52139408A
Authority
JP
Japan
Prior art keywords
noise removing
removing circuit
linear
vtr
noises
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
JP5621576A
Other languages
Japanese (ja)
Other versions
JPS6139792B2 (en
Inventor
Norio Ebihara
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP5621576A priority Critical patent/JPS52139408A/en
Publication of JPS52139408A publication Critical patent/JPS52139408A/en
Publication of JPS6139792B2 publication Critical patent/JPS6139792B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Television Signal Processing For Recording (AREA)

Abstract

PURPOSE: To remove the noises in the linear and surface scanning directions from a video image signal of VTR by making the video signal pass through a saw-tooth filter and a non-linear circuit.
COPYRIGHT: (C)1977,JPO&Japio
JP5621576A 1976-05-17 1976-05-17 Noise removing circuit Granted JPS52139408A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5621576A JPS52139408A (en) 1976-05-17 1976-05-17 Noise removing circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5621576A JPS52139408A (en) 1976-05-17 1976-05-17 Noise removing circuit

Publications (2)

Publication Number Publication Date
JPS52139408A true JPS52139408A (en) 1977-11-21
JPS6139792B2 JPS6139792B2 (en) 1986-09-05

Family

ID=13020872

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5621576A Granted JPS52139408A (en) 1976-05-17 1976-05-17 Noise removing circuit

Country Status (1)

Country Link
JP (1) JPS52139408A (en)

Cited By (4)

* 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
JPS5755671A (en) * 1980-08-20 1982-04-02 Philips Nv Noise suppressing circuit
JPS61173585A (en) * 1985-01-28 1986-08-05 Mitsubishi Electric Corp Processing circuit of color video signal
WO1988007309A1 (en) * 1987-03-19 1988-09-22 Sony Corporation Circuit for reducing noise

Cited By (10)

* 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
JPS6222318B2 (en) * 1978-04-28 1987-05-18 Sony Corp
JPS5755671A (en) * 1980-08-20 1982-04-02 Philips Nv Noise suppressing circuit
JPH0217986B2 (en) * 1980-08-20 1990-04-24 Fuiritsupusu Furuuiranpenfuaburiken Nv
JPS61173585A (en) * 1985-01-28 1986-08-05 Mitsubishi Electric Corp Processing circuit of color video signal
JPH0691629B2 (en) * 1985-01-28 1994-11-14 三菱電機株式会社 Color video signal processing circuit
WO1988007309A1 (en) * 1987-03-19 1988-09-22 Sony Corporation Circuit for reducing noise
GB2209448A (en) * 1987-03-19 1989-05-10 Sony Corp Circuit for reducing noise
US4961113A (en) * 1987-03-19 1990-10-02 Sony Corporation Noise reduction circuit
GB2209448B (en) * 1987-03-19 1991-01-09 Sony Corp Noise reduction circuit

Also Published As

Publication number Publication date
JPS6139792B2 (en) 1986-09-05

Similar Documents

Publication Publication Date Title
JPS5279747A (en) Noise removal circuit
JPS5340211A (en) Video signal processing circuit
JPS52139408A (en) Noise removing circuit
JPS5324724A (en) Color television receiver
JPS5345924A (en) Video special effect unit
JPS5255429A (en) Color solid pickup unit
JPS52147920A (en) Signal processing circuit
JPS5369516A (en) Driving system of solid pickup element
JPS5374841A (en) Television signal processor
JPS5220749A (en) Synchronizing detection circuit
JPS5317222A (en) Noise removing circuit
JPS52119128A (en) Reader for pictures and writings
JPS5466711A (en) Video signal reproducing unit
JPS52135212A (en) Image pickup device
JPS5494236A (en) Picture processor
JPS5321519A (en) Spike noise elemination unit of solid image pickup unit
JPS5316529A (en) Pattern input unit
JPS53142206A (en) Recorder/reproducer for video signal
JPS5383515A (en) Quantization circuit for picture signal
JPS5342661A (en) Ac-dc converting and encoding circuit
JPS5441016A (en) Reproducing device of color video signal
JPS53109610A (en) Noise remover
JPS5329708A (en) Signal waveform reproducing circuit
JPS5339831A (en) Video input unit
JPS53136430A (en) Noise eliminator circuit