JPH02285390A - Burning prevention system for cathode-ray tube screen - Google Patents

Burning prevention system for cathode-ray tube screen

Info

Publication number
JPH02285390A
JPH02285390A JP10842489A JP10842489A JPH02285390A JP H02285390 A JPH02285390 A JP H02285390A JP 10842489 A JP10842489 A JP 10842489A JP 10842489 A JP10842489 A JP 10842489A JP H02285390 A JPH02285390 A JP H02285390A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
crt
cpu
cathode
ray tube
consequently
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
JP10842489A
Inventor
Seiji Tsujikado
Original Assignee
Komatsu 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

Links

Abstract

PURPOSE: To make the fluorescent film of a cathode-ray tube(CRT) hard to burn by not fixing the display position of a still picture displayed on the CRT.
CONSTITUTION: A CPU 1 is connected to other various element equipments and input/output equipments by a bus line 2. A fixed program that the CPU system executes is recorded on a read-only memory 4 and information for processing, data in arithmetic processing, etc., are stored temporarily on a read/write memory 5. In a pattern display system using the CRT 3 controlled by this CPU 1, the display position of a still picture displayed on the CRT 3 is not fixed. Consequently, the same position on the fluorescent film of the CRT 3 is never irradiated continuously with an electron beam. Consequently, the life of the CRT can be prolonged.
COPYRIGHT: (C)1990,JPO&Japio
JP10842489A 1989-04-27 1989-04-27 Burning prevention system for cathode-ray tube screen Pending JPH02285390A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10842489A JPH02285390A (en) 1989-04-27 1989-04-27 Burning prevention system for cathode-ray tube screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10842489A JPH02285390A (en) 1989-04-27 1989-04-27 Burning prevention system for cathode-ray tube screen

Publications (1)

Publication Number Publication Date
JPH02285390A true true JPH02285390A (en) 1990-11-22

Family

ID=14484418

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10842489A Pending JPH02285390A (en) 1989-04-27 1989-04-27 Burning prevention system for cathode-ray tube screen

Country Status (1)

Country Link
JP (1) JPH02285390A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5595403A (en) * 1993-11-30 1997-01-21 Wallace Computer Services, Inc. Card intermediate and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5595403A (en) * 1993-11-30 1997-01-21 Wallace Computer Services, Inc. Card intermediate and method

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