KR890005603A - Cordless keyboard devices - Google Patents

Cordless keyboard devices Download PDF

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Publication number
KR890005603A
KR890005603A KR870010583A KR870010583A KR890005603A KR 890005603 A KR890005603 A KR 890005603A KR 870010583 A KR870010583 A KR 870010583A KR 870010583 A KR870010583 A KR 870010583A KR 890005603 A KR890005603 A KR 890005603A
Authority
KR
South Korea
Prior art keywords
keyboard
led
infrared
circuit
transmission
Prior art date
Application number
KR870010583A
Other languages
Korean (ko)
Inventor
정우섭
Original Assignee
안시환
삼성전자 주식회사
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 안시환, 삼성전자 주식회사 filed Critical 안시환
Priority to KR870010583A priority Critical patent/KR890005603A/en
Publication of KR890005603A publication Critical patent/KR890005603A/en

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Abstract

내용 없음No content

Description

코드선 없는 키보드 장치Cordless keyboard devices

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

제1도는 시스템과 키보드의 연결도.1 is a connection diagram of the system and the keyboard.

제2도의 (가)는 키보드 송신부 블럭도 (나)는 시스템 수신부 블럭도.2 is a block diagram of a keyboard transmitter and a block diagram of a system receiver.

제3도의 (가)는 키보드 송신회로 (나)는 시스템 수신회로.Figure 3 (a) is a keyboard transmitting circuit (b) is a system receiving circuit.

Claims (3)

컴퓨터 시스템(7)과 키보드(1)를 연결하는 장치에 있어서, 상기 키보드(1)에 착탈장치(2)와 지지대(10)를 연결하여 적외선을 송신하며 좌우 상하 이동이 가능한 적외선 송신탑(9)을 접속 연결하고 적외선 데이타 송신시 송신표시를 눈으로 확인할 수 있게 하기 위하여 상기 키보드(1)위에 부착한 적외선 송신감지표시기(11)를 부착한 것을 특징으로 하는 코드선 없는 키보드 장치.In the device for connecting the computer system (7) and the keyboard (1), an infrared transmission tower (9) which transmits infrared rays and transmits infrared rays by connecting a detachable device (2) and a support (10) to the keyboard (1). And an infrared ray transmission detection indicator (11) attached on the keyboard (1) to connect and connect to each other and to visually confirm the transmission mark when transmitting infrared data. 키보드 컨트롤러(14)에 멀티플렉시(13)를 연결한 회로에 있어서 상기 컨트롤러(14)의 데이터포트(Tx)에 인버터(INV1)와 저항(R1~R5) 콘덴서(C3)(C4) 트랜지스터(TR1)(TR2) 발광다이오드(LED1~LED3)를 연결하여 상기 데이터포트(Tx)에서 출력된 신호를 증폭하고 코드변환하여 적외선 신호를 송신하는 키보드 송신회로(가)와 상기 키보드 송신회로(가)에서 적외선 신호를 입력받는 시스템수신회로(나)는 컨트롤러(15)와 저항(R6~R10)트랜지스터(TR3)(TR4) 발광다이오드(LED4)(LED5)콘덴서(C1)(C2)로 연결하여 상기 적외선 수신호를 전기적 신호로 디코딩한 후 증폭하여 출력하는 것을 특징으로 하는 코드선 없는 키보드 장치.The keyboard controller 14, the inverter (INV 1) and the resistance to the data port (Tx) of the controller 14 in a circuit connecting the multi Plexiglas 13 to the (R 1 ~ R 5) a capacitor (C 3) (C 4 ) A keyboard transmission circuit for amplifying and transcoding the signal output from the data port Tx by connecting the transistors TR 1 (TR 2 ) LEDs (LED 1 to LED 3 ) and transmitting an infrared signal (A) And a system receiving circuit (B) for receiving an infrared signal from the keyboard transmitting circuit (A) includes a controller 15 and a resistor (R 6 to R 10 ) transistor (TR 3 ) (TR 4 ) light emitting diode (LED 4 ) ( LED 5 ) A cordless keyboard device, characterized in that by connecting to a capacitor (C 1 ) (C 2 ) to decode the infrared signal received by the electrical signal and then amplified and output. 제2항에 있어서, 키보드 송신회로(가)에서 적외선 신호에 데이타송신시 발광다이오드(LED1)로 표시하여 눈으로 확인할 수 있도록 하며, 시스템수신회로(나)에서 데이타 수신시 발광다이오드(LED5)를 표시하여 눈으로 확인할 수 있도록 한 것을 특징으로 하는 코드선 없는 키보드 장치.The method of claim 2, wherein to display the keyboard transmission circuit (A), the light emitting time of transmission data to an infrared signal from the diode (LED 1) and to be resolved by the eye, the light emission upon receiving data from the system the receiving circuit (B), a diode (LED 5 A keyboard device without a cord line, characterized in that) is displayed for visual confirmation. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR870010583A 1987-09-24 1987-09-24 Cordless keyboard devices KR890005603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR870010583A KR890005603A (en) 1987-09-24 1987-09-24 Cordless keyboard devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR870010583A KR890005603A (en) 1987-09-24 1987-09-24 Cordless keyboard devices

Publications (1)

Publication Number Publication Date
KR890005603A true KR890005603A (en) 1989-05-16

Family

ID=68343878

Family Applications (1)

Application Number Title Priority Date Filing Date
KR870010583A KR890005603A (en) 1987-09-24 1987-09-24 Cordless keyboard devices

Country Status (1)

Country Link
KR (1) KR890005603A (en)

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