KR880002376A - Image input / output device of mammoth phone using cathode ray tube - Google Patents

Image input / output device of mammoth phone using cathode ray tube Download PDF

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Publication number
KR880002376A
KR880002376A KR1019860005403A KR860005403A KR880002376A KR 880002376 A KR880002376 A KR 880002376A KR 1019860005403 A KR1019860005403 A KR 1019860005403A KR 860005403 A KR860005403 A KR 860005403A KR 880002376 A KR880002376 A KR 880002376A
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KR
South Korea
Prior art keywords
signal
data
output
outputting
circuit
Prior art date
Application number
KR1019860005403A
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Korean (ko)
Inventor
박관
Original Assignee
한형수
삼성전자 주식회사
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Priority to KR1019860005403A priority Critical patent/KR880002376A/en
Publication of KR880002376A publication Critical patent/KR880002376A/en

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Abstract

내용 없음No content

Description

음극선관을 이용한 메모폰의 화상입출력장치Image input / output device of memophone using cathode ray tube

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 회로도.1 is a circuit diagram of the present invention.

제2도는 상기 제1도의 비디오메모리와 음극선관의 대응상태도.FIG. 2 is a state diagram of the video memory and cathode ray tube of FIG.

Claims (1)

화상데이터와 음성데이터를 믹싱하여 출력하거나 입력되는 화상데이터와 음성데이터를 분리출력하는 스위칭회로(12)와, 음성통화를 이루게하는 음성회로(11)를 구비한 음극선관을 이용한 메모폰의 화상 입출력회로에 있어서, 일정의 데이터 신호를 입력하며 소정의 데이터신호와 어드레스 신호를 출력하는 중앙처리장치(1)와, 상기 중앙처리장치(1)에서 출력되는 어드레스신호와 데이터 신호를 입력하여 수직, 수평동기신호와 어드레스 신호를 출력하는 음극관과 콘트롤러(2)와, 상기 중앙처리장치(1)에서 출력되는 어드레스신호와 CRTC(2)에서 출력되는 신호를 데이터신호 및 어드레스 신호로 입력하여 이에 대응하는 데이터를 출력하는 비디오메모리(3)와, 상기 비디오메모리(3)에서 출력되는 병렬데이터를 직렬데이터신호로 변환출력하는 시프트레지스터(4)와, 상기 시프트레지스터(4)에서 출력되는 디지탈데이터를 아나로그 신호로 변환출력하는 영상출력회로(5)와, 상기 CRTC(2)와 영상출력회로(5)에서 각각 출력되는 수직 수평동기신호 및 영상 신호를 입력하여 이에 대응하는 신호를 디스플레이하는 CRT(6)와, 상기 CRT(6)에서 방출되는 전자빔을 감지하기 위한 라이트펜(7)과, 상기 라이트펜(7)에 의해 입력된 신호를 감지하여 소정의 신호로써 CRTC(2)로 출력하는 라이트펜 제어회로(8)와, 상기 비디오메모리(3)에서 출력되는 데이터를 입력하여 완충하고 출력하는 버퍼(9), 상기 버퍼(9)로부터 출력되는 화상정보(입력된 화상정보)를 전화선을 통하여 전송될 수 있도록 디지탈/아날로그 변환출력 하는 동시에 상대방으로부터 전송되어오는 아나로그 화상정보를 디지털신호로 변환접속하는 텔레폰 인터페이스(10)로 구성함을 특징으로 하는 음극선관을 이용한 메모폰의 화상입출력장치.Image input / output of a memophone using a cathode ray tube having a switching circuit 12 for mixing and outputting image data and audio data or separately outputting input image data and audio data, and a voice circuit 11 for making a voice call. A circuit comprising: a central processing unit (1) for inputting a predetermined data signal and outputting a predetermined data signal and an address signal, and an address signal and a data signal output from the central processing unit (1) for vertical and horizontal A cathode tube and a controller 2 for outputting a synchronization signal and an address signal, and an address signal output from the CPU 1 and a signal output from the CRTC 2 are inputted as data signals and address signals and corresponding data. And a shift register for converting and outputting parallel data output from the video memory 3 into a serial data signal. 4, a video output circuit 5 for converting and outputting digital data output from the shift register 4 into an analog signal, and a vertical output from the CRTC 2 and the video output circuit 5, respectively. A CRT 6 for inputting a horizontal synchronous signal and an image signal to display a signal corresponding thereto; a light pen 7 for detecting an electron beam emitted from the CRT 6; and a light pen 7 inputted by the light pen 7. A light pen control circuit 8 which detects a signal and outputs it to the CRTC 2 as a predetermined signal, and a buffer 9 for buffering and outputting data output from the video memory 3 and the buffer 9. The telephone interface converts and connects the analog image information transmitted from the counterpart to a digital signal while digital / analog converting and outputting the image information (input image information) outputted from the telephone line. An image input / output device of a memophone using a cathode ray tube, characterized in that (10). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860005403A 1986-07-04 1986-07-04 Image input / output device of mammoth phone using cathode ray tube KR880002376A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019860005403A KR880002376A (en) 1986-07-04 1986-07-04 Image input / output device of mammoth phone using cathode ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019860005403A KR880002376A (en) 1986-07-04 1986-07-04 Image input / output device of mammoth phone using cathode ray tube

Publications (1)

Publication Number Publication Date
KR880002376A true KR880002376A (en) 1988-04-30

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ID=72897027

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860005403A KR880002376A (en) 1986-07-04 1986-07-04 Image input / output device of mammoth phone using cathode ray tube

Country Status (1)

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KR (1) KR880002376A (en)

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