KR970071195A - Computers capable of mounting peripherals using a parallel port - Google Patents

Computers capable of mounting peripherals using a parallel port Download PDF

Info

Publication number
KR970071195A
KR970071195A KR1019960013117A KR19960013117A KR970071195A KR 970071195 A KR970071195 A KR 970071195A KR 1019960013117 A KR1019960013117 A KR 1019960013117A KR 19960013117 A KR19960013117 A KR 19960013117A KR 970071195 A KR970071195 A KR 970071195A
Authority
KR
South Korea
Prior art keywords
parallel port
external device
port
computer
field effect
Prior art date
Application number
KR1019960013117A
Other languages
Korean (ko)
Other versions
KR100207321B1 (en
Inventor
양성동
Original Assignee
김광호
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 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019960013117A priority Critical patent/KR100207321B1/en
Priority to CNB971042691A priority patent/CN1155868C/en
Priority to DE69722848T priority patent/DE69722848T2/en
Priority to EP97302871A priority patent/EP0803793B1/en
Priority to US08/840,631 priority patent/US5911079A/en
Priority to JP11121197A priority patent/JP3682147B2/en
Publication of KR970071195A publication Critical patent/KR970071195A/en
Application granted granted Critical
Publication of KR100207321B1 publication Critical patent/KR100207321B1/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Computer Hardware Design (AREA)
  • Power Sources (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

본 발명은 병렬포트를 이용하여 주변기기의 장착이 가능한 컴퓨터에 관한 것으로서, 외부기기와 접속하는 병렬포트를 갖는 컴퓨터에 있어서; 상기 병렬포트에 어떤 종류의 외부기기가 장착되었는지, 상기 병렬포트가 미장착상태인지를 판별하는 외부기기 장착 판별 수단과, 상기 외부기기 장착 판별 수단의 판별 결과에 따라서 상기 병렬포트의 제1핀에 특정 외부기기의 구동을 위한 구동 전원을 공급하는 전원 공급 수단을 구비함으로써, 병렬포트와 플로피 디스크 드라이버를 단일 케이블로 연결할 수 있다.The present invention relates to a computer capable of mounting a peripheral device using a parallel port, the computer having a parallel port connected to an external device, the computer comprising: An external device mounting discrimination means for discriminating whether an external device is attached to the parallel port and whether or not the parallel port is in an uninstalled state; And a power supply means for supplying driving power for driving the external device, so that the parallel port and the floppy disk driver can be connected by a single cable.

Description

병렬포트를 이용한 주변기기의 장착이 가능한 컴퓨터Computers capable of mounting peripherals using a parallel port

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제4도는 본 발명에 따른 병렬포트를 이용하여 주변기기의 장착이 가능한 컴퓨터의 일실시예를 나타낸 블록도, 제5도는 본 발명에 따른 노트북 컴퓨터의 뒷면을 나타낸 것으로서, 제5A도는 컴퓨터 외부에서 본 병렬포트를 나타낸 도면, 제5B도는 플로피 디스크 드라이브가 병렬포트에 장착된 상태를 나타낸 도면, 제6도는 제3도의 각 소자의 상태를 나타낸 도표이다.FIG. 4 is a block diagram illustrating a computer capable of mounting a peripheral device using the parallel port according to the present invention, FIG. 5 is a rear view of the notebook computer according to the present invention, FIG. 5B is a diagram showing a state in which a floppy disk drive is mounted on a parallel port, and FIG. 6 is a table showing states of elements in FIG.

Claims (6)

외부기기와 접속하는 병렬포트를 갖는 컴퓨터에 있어서; 상기 병렬포트에 어떤 종류의 외부기기가 장착되었는지 그리고, 상기 병렬포트가 미장착상태인지를 판별하는 외부기기 장착 판별 수단과, 상기 외부기기 장착 판별 수단의 판별 결과에 따라서 상기 병렬포트의 제1핀에 특정 외부기기의 구동을 위한 구동 전원을 공급하는 전원 공급 수단을 구비한 것을 특징으로 하는 병렬포트를 이용하여 주변기기의 장착이 가능한 컴퓨터.1. A computer having a parallel port connected to an external device, comprising: An external device attachment judging means for judging whether the external device is attached to the parallel port and whether the parallel port is not attached to the external device; And a power supply means for supplying a driving power for driving a specific external device. 제1항에 있어서, 상기 특정 외부기기는 플로피 디스크 드라이버임을 특징으로 하는 병렬포트를 이용하여 주변기기의 장착이 가능한 컴퓨터.The computer according to claim 1, wherein the specific external device is a floppy disk driver. 제1항에 잇어서, 상기 외부기기 장착 판별 수단은, 상기 병렬포트의 제2핀에 연결되어 있고, 제2핀이 연결되지 않을 때에는 전원이 공급되는 인버터와, 상기 인버터에 게이트가 연결되고, 일측은 병렬포토의 제3핀이 연결되어 있으며, 타측은 입/출력 제어부의 입력단자에 연결되어 있는 스위치로 구성되어 있는 것을 특징으로 하는 병렬포트를 이용하여 주변기기의 장착이 가능한 컴퓨터.Wherein the external device identification means comprises: an inverter connected to a second pin of the parallel port, to which power is supplied when the second pin is not connected; a gate connected to the inverter; Wherein the third port of the parallel port is connected to the input port of the parallel port, and the other end of the parallel port is connected to the input terminal of the input / output control unit. 제1항에 있어서, 상기 전원 공급 수단은, 병렬포트의 제1핀에는 소오스가 연결되어 있고, 드레인에는 전원이 연결되어 있으며, 게이트는 상기 스위치의 타측에 연결되어 상기 입/출력 제어부의 입력단자에 입력되는 상태에 따라서 턴 온 또는 오프되어 병렬포트의 제1핀에 전원을 공급하는 전계효과 트랜지스터와, 상기 전계효과 트랜지스터의 드레인과 게이트 사이에 연결되어 있는 바이어스용 저항으로 구성된 것을 특징으로 하는 병렬포트를 이용하여 주변기기의 장착이 가능한 컴퓨터.The power supply unit according to claim 1, wherein the power supply means has a source connected to a first pin of the parallel port, a drain connected to a power supply, a gate connected to the other side of the switch, And a bias resistor connected between the drain and the gate of the field effect transistor. The field effect transistor according to claim 1, A computer that can be equipped with a peripheral by using a port. 제1, 제3 및 제4항 중 어느 한 항에 있어서, 상기 제1,2,3핀은 병렬포트인 25핀 D-SUB 콘넥터의 다수개의 그라운드 핀 가운데 임의로 선택하여 사용하는 것을 특징으로 하는 병렬포트를 이용하여 주변기기의 장착이 가능한 컴퓨터.The method according to any one of claims 1, 3, and 4, wherein the first, second, and third pins are arbitrarily selected from a plurality of ground pins of a 25-pin D-SUB connector, A computer that can be equipped with a peripheral by using a port. 제4항에 있어서, 상기 전계효과 트랜지스터의 드레인 전류가 많이 흐르면 온도가 급격히 상승하여 전계효과 트랜지스터가 파손되므로 이를 보호하기 위한 휴즈를 전원 단자와 전계효과 트랜지스터의 드레인 사이에 연결하는 것을 특징으로 하는 병렬포트를 이용하여 주변기기의 장착이 가능한 컴퓨터.The device according to claim 4, wherein when the drain current of the field effect transistor is increased, the fuse for protecting the field effect transistor is connected between the power source terminal and the drain of the field effect transistor, A computer that can be equipped with a peripheral by using a port. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960013117A 1996-04-26 1996-04-26 Computer having an output port capable of power supply KR100207321B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1019960013117A KR100207321B1 (en) 1996-04-26 1996-04-26 Computer having an output port capable of power supply
CNB971042691A CN1155868C (en) 1996-04-26 1997-04-25 Computer capable of power supply to peripheral equipment using concurrent terminal
DE69722848T DE69722848T2 (en) 1996-04-26 1997-04-25 Computer system with parallel connection interface as power supply for peripheral device and expansion device therefor
EP97302871A EP0803793B1 (en) 1996-04-26 1997-04-25 A computer system having a parallel port as a power supply for its peripheral device and an extension device thereof
US08/840,631 US5911079A (en) 1996-04-26 1997-04-25 Computer system having a parallel port for its peripheral device and an expansion device thereof
JP11121197A JP3682147B2 (en) 1996-04-26 1997-04-28 Computer system and its expansion device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960013117A KR100207321B1 (en) 1996-04-26 1996-04-26 Computer having an output port capable of power supply

Publications (2)

Publication Number Publication Date
KR970071195A true KR970071195A (en) 1997-11-07
KR100207321B1 KR100207321B1 (en) 1999-07-15

Family

ID=19456839

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960013117A KR100207321B1 (en) 1996-04-26 1996-04-26 Computer having an output port capable of power supply

Country Status (1)

Country Link
KR (1) KR100207321B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020037619A (en) * 2000-11-15 2002-05-22 윤종용 Method for automatically recognizing peripheral unit type in embedded system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100819298B1 (en) * 2002-01-21 2008-04-03 삼성전자주식회사 System for detecting installed status for subsystem using ground signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020037619A (en) * 2000-11-15 2002-05-22 윤종용 Method for automatically recognizing peripheral unit type in embedded system

Also Published As

Publication number Publication date
KR100207321B1 (en) 1999-07-15

Similar Documents

Publication Publication Date Title
KR920010440B1 (en) Supply and control apparatus for power or signal
KR910006834A (en) Display control device which can change the brightness by the condition of power circuit
KR970049283A (en) Easy to expand computer
KR19980068615A (en) Intelligent power switch
KR910008906A (en) Electronic circuit device with earthing protection circuit
US7286005B2 (en) Supply voltage switching circuit
JP3682147B2 (en) Computer system and its expansion device
KR970071195A (en) Computers capable of mounting peripherals using a parallel port
KR100586981B1 (en) Computer system and method of controlling the same
KR960006226Y1 (en) Power-controlling apparatus for notebook p.c.
KR200175891Y1 (en) A keyboard controller circuit
KR0157736B1 (en) Bidirectional bus interface switching device and data transmission system
US20100199111A1 (en) Method and system of dissipating power from a power supply
JP2000156941A (en) Power supply change-over control system
KR200160231Y1 (en) Power supply system using parallel port in a computer
KR950004451B1 (en) Speaker controller
KR970076219A (en) The operating status indicator of the personal computer
KR200239307Y1 (en) Power selection circuit and its serial bus circuit
KR100444799B1 (en) Power Good Signal Driver and Method
KR970007575A (en) Monitor On / Off Control Unit
KR200203112Y1 (en) A error preventing apparatus of processor Unit
KR970073990A (en) The power control circuit of the printer
KR940007811B1 (en) Electronic calculator
CN1282895A (en) Dual-CPU motherboard with use of single CPU without terminal card
KR19980010925U (en) Computer Power Supply with External Connector

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20120329

Year of fee payment: 14

LAPS Lapse due to unpaid annual fee