[go: up one dir, main page]

JPS5314516A - Noise reduction device - Google Patents

Noise reduction device

Info

Publication number
JPS5314516A
JPS5314516A JP8941876A JP8941876A JPS5314516A JP S5314516 A JPS5314516 A JP S5314516A JP 8941876 A JP8941876 A JP 8941876A JP 8941876 A JP8941876 A JP 8941876A JP S5314516 A JPS5314516 A JP S5314516A
Authority
JP
Japan
Prior art keywords
noise reduction
reduction device
video signal
range
noise
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
JP8941876A
Other languages
Japanese (ja)
Other versions
JPS5942513B2 (en
Inventor
Ichiro Arimura
Yoshitsugu Shibuya
Chojuro Yamamitsu
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP51089418A priority Critical patent/JPS5942513B2/en
Publication of JPS5314516A publication Critical patent/JPS5314516A/en
Publication of JPS5942513B2 publication Critical patent/JPS5942513B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Picture Signal Circuits (AREA)
  • Manipulation Of Pulses (AREA)
  • Noise Elimination (AREA)

Abstract

PURPOSE: To obtain a video signal with reduced high-range noise by drawing out the noise element only through extraction and depression of the high-range frequency element for a video signal and by applying the low-range attenuation part to the original video signal after phase inversion.
COPYRIGHT: (C)1978,JPO&Japio
JP51089418A 1976-07-26 1976-07-26 noise reduction device Expired JPS5942513B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51089418A JPS5942513B2 (en) 1976-07-26 1976-07-26 noise reduction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51089418A JPS5942513B2 (en) 1976-07-26 1976-07-26 noise reduction device

Publications (2)

Publication Number Publication Date
JPS5314516A true JPS5314516A (en) 1978-02-09
JPS5942513B2 JPS5942513B2 (en) 1984-10-15

Family

ID=13970095

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51089418A Expired JPS5942513B2 (en) 1976-07-26 1976-07-26 noise reduction device

Country Status (1)

Country Link
JP (1) JPS5942513B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897114A (en) * 1981-12-07 1983-06-09 Hitachi Ltd Nonlinear emphasis circuit
JPS61125176U (en) * 1985-01-22 1986-08-06

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897114A (en) * 1981-12-07 1983-06-09 Hitachi Ltd Nonlinear emphasis circuit
JPS6322374B2 (en) * 1981-12-07 1988-05-11 Hitachi Ltd
JPS61125176U (en) * 1985-01-22 1986-08-06
JPH0527496Y2 (en) * 1985-01-22 1993-07-13

Also Published As

Publication number Publication date
JPS5942513B2 (en) 1984-10-15

Similar Documents

Publication Publication Date Title
JPS5259512A (en) Tuner
JPS52103938A (en) Surface wave device
JPS52143462A (en) Synchronous sampling device
JPS5314516A (en) Noise reduction device
JPS52119020A (en) Signal processing unit
JPS52104138A (en) Short pass filter
JPS5434614A (en) Picture dignal transmission system
JPS5226116A (en) Profile compensating equipment
JPS52111321A (en) Receiver for static picture
JPS5354953A (en) Frequency step-multiplication circuit
JPS52105711A (en) Fm receiver
JPS5220749A (en) Synchronizing detection circuit
JPS5367340A (en) Delta signal decoder
JPS5211717A (en) Television signal amplifier
JPS5350941A (en) Quantization device
JPS5366323A (en) Frequency control circuit
JPS5367320A (en) Input/output device
JPS5236444A (en) Wave divider
JPS51139213A (en) Bilateral catv system
JPS52108735A (en) Display device
JPS5332611A (en) Receiver for dynamic and still picture
JPS538044A (en) Detector
JPS5222424A (en) Noise remover of video signals
JPS5368909A (en) Automatic frequency controller
JPS5370601A (en) Resonant circuit for tuner