JPS5255824A - Spot killer circuit - Google Patents

Spot killer circuit

Info

Publication number
JPS5255824A
JPS5255824A JP13146175A JP13146175A JPS5255824A JP S5255824 A JPS5255824 A JP S5255824A JP 13146175 A JP13146175 A JP 13146175A JP 13146175 A JP13146175 A JP 13146175A JP S5255824 A JPS5255824 A JP S5255824A
Authority
JP
Japan
Prior art keywords
killer circuit
spot killer
spot
diode
eliminated
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
JP13146175A
Other languages
Japanese (ja)
Other versions
JPS5759980B2 (en
Inventor
Makoto Fukushima
Noboru Sakata
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP13146175A priority Critical patent/JPS5255824A/en
Publication of JPS5255824A publication Critical patent/JPS5255824A/en
Publication of JPS5759980B2 publication Critical patent/JPS5759980B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Details Of Television Scanning (AREA)

Abstract

PURPOSE: The diode is added and connected in order prevent CRT cathode voltage from becoming higher than cutoff voltage. In this way, the abnormal phenomena occurring on picture image right after power source throw-in can be eliminated.
COPYRIGHT: (C)1977,JPO&Japio
JP13146175A 1975-11-04 1975-11-04 Spot killer circuit Granted JPS5255824A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13146175A JPS5255824A (en) 1975-11-04 1975-11-04 Spot killer circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13146175A JPS5255824A (en) 1975-11-04 1975-11-04 Spot killer circuit

Publications (2)

Publication Number Publication Date
JPS5255824A true JPS5255824A (en) 1977-05-07
JPS5759980B2 JPS5759980B2 (en) 1982-12-17

Family

ID=15058490

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13146175A Granted JPS5255824A (en) 1975-11-04 1975-11-04 Spot killer circuit

Country Status (1)

Country Link
JP (1) JPS5255824A (en)

Also Published As

Publication number Publication date
JPS5759980B2 (en) 1982-12-17

Similar Documents

Publication Publication Date Title
JPS5255824A (en) Spot killer circuit
JPS527726A (en) Converting cine camera to television camera by the provision of an ada pter
JPS5232627A (en) Picture input equipment
JPS5230151A (en) Electric fieled radiation-type cold cathode
JPS5233055A (en) Switching method of power source
JPS51150042A (en) Electric source switch device
JPS5293264A (en) Cathode of electrolytic radiation
JPS5211857A (en) Cathode rays display unit
JPS547228A (en) Pedestal clamp circuit
JPS5229169A (en) Image display device
JPS51117568A (en) Electron gun for use in electron microscope
JPS53124017A (en) Gamma adjusting device
JPS5339852A (en) Color cathode ray tube device
JPS5339814A (en) Pick up system
JPS5260020A (en) Spot killer circuit
JPS52106428A (en) Power source equipment
JPS5337371A (en) Switch circuit
JPS5279756A (en) Field emission device
JPS5221724A (en) Automatic brightness adjusting circuit
JPS5245256A (en) Peak value holding circuit
JPS5376694A (en) Electric field light emitting plate
JPS51150966A (en) Electron tube
JPS51112233A (en) Drive circuit of horizontal display discharge element
JPS51121733A (en) Inverter circuit
JPS5210666A (en) Cathode ray tube image photographing device