JPS5259519A - Noise suppression circuit - Google Patents

Noise suppression circuit

Info

Publication number
JPS5259519A
JPS5259519A JP50135799A JP13579975A JPS5259519A JP S5259519 A JPS5259519 A JP S5259519A JP 50135799 A JP50135799 A JP 50135799A JP 13579975 A JP13579975 A JP 13579975A JP S5259519 A JPS5259519 A JP S5259519A
Authority
JP
Japan
Prior art keywords
noise suppression
suppression circuit
noise
noise component
gating
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.)
Pending
Application number
JP50135799A
Other languages
Japanese (ja)
Inventor
Nobuo Tsutsumi
Kyoichi Uno
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 JP50135799A priority Critical patent/JPS5259519A/en
Publication of JPS5259519A publication Critical patent/JPS5259519A/en
Pending legal-status Critical Current

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  • Picture Signal Circuits (AREA)

Abstract

PURPOSE: Composite video signals are improved in quality, by gating the noise component of the synch signal period only and by suppressing the noise component by feeding back the detection signal which corresponds to the quantity of the noise.
COPYRIGHT: (C)1977,JPO&Japio
JP50135799A 1975-11-11 1975-11-11 Noise suppression circuit Pending JPS5259519A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50135799A JPS5259519A (en) 1975-11-11 1975-11-11 Noise suppression circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50135799A JPS5259519A (en) 1975-11-11 1975-11-11 Noise suppression circuit

Publications (1)

Publication Number Publication Date
JPS5259519A true JPS5259519A (en) 1977-05-17

Family

ID=15160082

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50135799A Pending JPS5259519A (en) 1975-11-11 1975-11-11 Noise suppression circuit

Country Status (1)

Country Link
JP (1) JPS5259519A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61154286A (en) * 1984-12-26 1986-07-12 Casio Comput Co Ltd Noise reducing device
JPH04349786A (en) * 1991-05-27 1992-12-04 Fujitsu General Ltd Automatic picture quality adjustment circuit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4964330A (en) * 1972-10-20 1974-06-21
JPS49120528A (en) * 1973-03-16 1974-11-18
JPS49131334A (en) * 1973-04-19 1974-12-17

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4964330A (en) * 1972-10-20 1974-06-21
JPS49120528A (en) * 1973-03-16 1974-11-18
JPS49131334A (en) * 1973-04-19 1974-12-17

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61154286A (en) * 1984-12-26 1986-07-12 Casio Comput Co Ltd Noise reducing device
JPH04349786A (en) * 1991-05-27 1992-12-04 Fujitsu General Ltd Automatic picture quality adjustment circuit

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