JPS5439520A - Adjusting unit of automatic picture quality - Google Patents

Adjusting unit of automatic picture quality

Info

Publication number
JPS5439520A
JPS5439520A JP10617177A JP10617177A JPS5439520A JP S5439520 A JPS5439520 A JP S5439520A JP 10617177 A JP10617177 A JP 10617177A JP 10617177 A JP10617177 A JP 10617177A JP S5439520 A JPS5439520 A JP S5439520A
Authority
JP
Japan
Prior art keywords
picture quality
adjusting unit
automatic picture
sensitivity
circuit
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
JP10617177A
Other languages
Japanese (ja)
Inventor
Kenzo Muramatsu
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 JP10617177A priority Critical patent/JPS5439520A/en
Publication of JPS5439520A publication Critical patent/JPS5439520A/en
Pending legal-status Critical Current

Links

Landscapes

  • Picture Signal Circuits (AREA)

Abstract

PURPOSE: To enable effective picture quality adjustment, by increasing the picture quality at a weak field for a TV receiver automatically, without sacrifycing the audio sensitivity and the sensitivity of chroma circuit, through the connection of a varactor diode to a dual tuning coupling circuit.
COPYRIGHT: (C)1979,JPO&Japio
JP10617177A 1977-09-02 1977-09-02 Adjusting unit of automatic picture quality Pending JPS5439520A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10617177A JPS5439520A (en) 1977-09-02 1977-09-02 Adjusting unit of automatic picture quality

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10617177A JPS5439520A (en) 1977-09-02 1977-09-02 Adjusting unit of automatic picture quality

Publications (1)

Publication Number Publication Date
JPS5439520A true JPS5439520A (en) 1979-03-27

Family

ID=14426804

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10617177A Pending JPS5439520A (en) 1977-09-02 1977-09-02 Adjusting unit of automatic picture quality

Country Status (1)

Country Link
JP (1) JPS5439520A (en)

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