KR920022152A - External cartridge automatic selection circuit - Google Patents

External cartridge automatic selection circuit Download PDF

Info

Publication number
KR920022152A
KR920022152A KR1019910008561A KR910008561A KR920022152A KR 920022152 A KR920022152 A KR 920022152A KR 1019910008561 A KR1019910008561 A KR 1019910008561A KR 910008561 A KR910008561 A KR 910008561A KR 920022152 A KR920022152 A KR 920022152A
Authority
KR
South Korea
Prior art keywords
selection circuit
cartridge
slot
external cartridge
automatic selection
Prior art date
Application number
KR1019910008561A
Other languages
Korean (ko)
Inventor
윤홍락
Original Assignee
정용문
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 정용문, 삼성전자 주식회사 filed Critical 정용문
Priority to KR1019910008561A priority Critical patent/KR920022152A/en
Publication of KR920022152A publication Critical patent/KR920022152A/en

Links

Landscapes

  • Fax Reproducing Arrangements (AREA)

Abstract

내용 없음No content

Description

외부 카트리지 자동 선택회로External cartridge automatic selection circuit

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

제2도는 본 발명의 회로도.2 is a circuit diagram of the present invention.

제3도는 제2도에 따른 동작 흐름도.3 is a flow chart of operation according to FIG.

Claims (2)

레이저 빔 프린터의 외부 카트리지 선택회로에 있어서, 내장된 프로그램에 의해 시스템의 제반 동작을 제어하며 어드레스신호 및 출력 포트를 통해 외부 카트리지를 선택하기 위한 슬롯 선택신호를 제공하는 CPU(10)와 상기 CPU(10)의 어드레스 신호를 입력하여 제1-2 카트리지 슬롯 제어신호를 각기 출력하는 제1-2디코더(20,21)와, 상기 제1-2카트리지 슬롯 제어 신호를 입력하여 상기 슬롯 선택신호에 따라 멀티 플렉싱 하기 위한 멀티플렉서(100)로 구성됨을 특징으로 하는 외부 카트리지 자동 선택회로.In the external cartridge selection circuit of a laser beam printer, a CPU 10 and a CPU (10) for controlling overall operation of the system by a built-in program and providing a slot selection signal for selecting an external cartridge through an address signal and an output port ( 10-2 decoders 20 and 21 for inputting an address signal of 10) to output 1-2 cartridge slot control signals, respectively, and 1-2 cartridge slot control signals for inputting the 1-2 cartridge slot control signals according to the slot selection signal. External cartridge automatic selection circuit, characterized in that consisting of a multiplexer (100) for multiplexing. 제1항에 있어서, 상기 멀티플렉서(100)의 슬롯 선택 제어신호가 "하이" 또는 "로우"임을 특징으로 하는 외부 카트리지 자동 선택회로.The external cartridge automatic selection circuit according to claim 1, wherein the slot selection control signal of the multiplexer is "high" or "low". ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019910008561A 1991-05-25 1991-05-25 External cartridge automatic selection circuit KR920022152A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910008561A KR920022152A (en) 1991-05-25 1991-05-25 External cartridge automatic selection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910008561A KR920022152A (en) 1991-05-25 1991-05-25 External cartridge automatic selection circuit

Publications (1)

Publication Number Publication Date
KR920022152A true KR920022152A (en) 1992-12-19

Family

ID=67432829

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910008561A KR920022152A (en) 1991-05-25 1991-05-25 External cartridge automatic selection circuit

Country Status (1)

Country Link
KR (1) KR920022152A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100766219B1 (en) * 2000-10-19 2007-10-10 신세다이 가부시키 가이샤 Memory cartridge system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100766219B1 (en) * 2000-10-19 2007-10-10 신세다이 가부시키 가이샤 Memory cartridge system

Similar Documents

Publication Publication Date Title
KR880008228A (en) Display
JPS5345120A (en) Video special effect device
KR910001771A (en) Semiconductor memory device
KR900005795A (en) Image reading device
KR910011013A (en) Recording control system of video subtitle
KR900000769A (en) Test Facilitator Circuit
KR920022152A (en) External cartridge automatic selection circuit
KR910700491A (en) External Scalable Programmable Controller
JPS5672359A (en) Supervising system for spare unit
KR920704285A (en) Optical Disc Device
KR880006632A (en) Voice Fire Alarm System
KR880003269A (en) Voice alarm device
JPS5752933A (en) Input and output control system
KR920013443A (en) PHYMOS word line driver circuit
KR970076200A (en) Universal data input / output device
KR890015602A (en) Magnetic recording device
KR970053950A (en) Mask rom
KR900003715A (en) Power supply control circuit
KR980004963A (en) Semiconductor memory device
KR900013365A (en) Control device of multiple control circuits
KR930000276A (en) Light control device of LED printer
KR890017612A (en) Program counter of programmable logic controller
JPS56101247A (en) Audio output device
KR900019349A (en) Volume control system for microphone mixing
KR910017274A (en) PC / AT Syringe and Glover Memory Control System

Legal Events

Date Code Title Description
WITN Withdrawal due to no request for examination