JPS5386530A - Luminance control system for crt display unit - Google Patents

Luminance control system for crt display unit

Info

Publication number
JPS5386530A
JPS5386530A JP119677A JP119677A JPS5386530A JP S5386530 A JPS5386530 A JP S5386530A JP 119677 A JP119677 A JP 119677A JP 119677 A JP119677 A JP 119677A JP S5386530 A JPS5386530 A JP S5386530A
Authority
JP
Japan
Prior art keywords
display unit
control system
crt display
luminance control
display region
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
JP119677A
Other languages
Japanese (ja)
Inventor
Ryuji Goto
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 JP119677A priority Critical patent/JPS5386530A/en
Publication of JPS5386530A publication Critical patent/JPS5386530A/en
Pending legal-status Critical Current

Links

Landscapes

  • Details Of Television Scanning (AREA)

Abstract

PURPOSE: To erase the pattern swelling outside the CRT display region, by extinguishing the luminance outside the display region when the deflection voltage absolute value of the pattern display increases more than that of the display region.
COPYRIGHT: (C)1978,JPO&Japio
JP119677A 1977-01-11 1977-01-11 Luminance control system for crt display unit Pending JPS5386530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP119677A JPS5386530A (en) 1977-01-11 1977-01-11 Luminance control system for crt display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP119677A JPS5386530A (en) 1977-01-11 1977-01-11 Luminance control system for crt display unit

Publications (1)

Publication Number Publication Date
JPS5386530A true JPS5386530A (en) 1978-07-31

Family

ID=11494692

Family Applications (1)

Application Number Title Priority Date Filing Date
JP119677A Pending JPS5386530A (en) 1977-01-11 1977-01-11 Luminance control system for crt display unit

Country Status (1)

Country Link
JP (1) JPS5386530A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007250237A (en) * 2006-03-14 2007-09-27 Omron Corp Electromagnetic relay with operation display function

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
TOYO'S TECHNICAL BULLETIN=1970 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007250237A (en) * 2006-03-14 2007-09-27 Omron Corp Electromagnetic relay with operation display function

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