KR900014994A - How to keep your PC screen secure - Google Patents

How to keep your PC screen secure Download PDF

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Publication number
KR900014994A
KR900014994A KR1019890003756A KR890003756A KR900014994A KR 900014994 A KR900014994 A KR 900014994A KR 1019890003756 A KR1019890003756 A KR 1019890003756A KR 890003756 A KR890003756 A KR 890003756A KR 900014994 A KR900014994 A KR 900014994A
Authority
KR
South Korea
Prior art keywords
data
ram
screen
keep
offset
Prior art date
Application number
KR1019890003756A
Other languages
Korean (ko)
Inventor
이원조
Original Assignee
이헌조
주식회사 금성사
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 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019890003756A priority Critical patent/KR900014994A/en
Publication of KR900014994A publication Critical patent/KR900014994A/en

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Abstract

내용 없음.No content.

Description

피씨 화면의 보안유지방법How to keep your PC screen secure

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명 피씨화면의 보안유지에 대한 블럭도,1 is a block diagram for maintaining the security of the PC screen of the present invention,

제2도는 본 발명 피씨화면의 보안유지에 대한 신호흐름도.2 is a signal flow diagram for maintaining the security of the PC screen of the present invention.

Claims (1)

중앙처리부(1)가 씨알티콘트롤러(2)를 제어하고, 각각의 램(3)(5)을 통해 임의 문자발생기 (4) 문자발생기(6)를 구동하여 디스플레이(7)를 구동하게 구성하여, 비밀유지플래그가 세트되면 온라인모드에서 호스트컴 퓨터로부터의 데이타전송을 중지하고, 상기 램(3)의 데이타를 읽은후 오프셋에 의한 콘버젼을 수행하여 저장하는 것을 반복하여 콘버젼의 실행상태에서 화면에 재생하고, 비밀유지플래그가 리세트되면 상기 램(5)의 데이타를 읽은후 오프셋에 의한 콘버젼을 수행하여 저장하는 것을 반복수행하고, 콘버젼의 실행상태로 되면 온라인모드에서 상기 호스트 컴퓨터로부터의 데이타전송을 재개하여 디스플레이하는 것을 특징으로하는 피씨화면의 보안유지 방법The central processing unit 1 controls the CALTI controller 2, and drives the display 7 by driving the arbitrary character generator 4 and the character generator 6 through each RAM 3 and 5. When the confidentiality flag is set, the data transmission from the host computer is stopped in the online mode, the data of the RAM 3 is read, the conversion by the offset is repeated, and the data is stored in the execution state of the conversion. After the playback on the screen and the confidentiality flag is reset, the data of the RAM 5 is read and converted and stored by the offset. Method for maintaining security of PC screen, characterized by resuming display of data transmission from ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890003756A 1989-03-24 1989-03-24 How to keep your PC screen secure KR900014994A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890003756A KR900014994A (en) 1989-03-24 1989-03-24 How to keep your PC screen secure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890003756A KR900014994A (en) 1989-03-24 1989-03-24 How to keep your PC screen secure

Publications (1)

Publication Number Publication Date
KR900014994A true KR900014994A (en) 1990-10-25

Family

ID=67776755

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890003756A KR900014994A (en) 1989-03-24 1989-03-24 How to keep your PC screen secure

Country Status (1)

Country Link
KR (1) KR900014994A (en)

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