KR920005442U - Keyboard key input and display driving circuit - Google Patents

Keyboard key input and display driving circuit

Info

Publication number
KR920005442U
KR920005442U KR2019900013613U KR900013613U KR920005442U KR 920005442 U KR920005442 U KR 920005442U KR 2019900013613 U KR2019900013613 U KR 2019900013613U KR 900013613 U KR900013613 U KR 900013613U KR 920005442 U KR920005442 U KR 920005442U
Authority
KR
South Korea
Prior art keywords
driving circuit
key input
display driving
keyboard key
keyboard
Prior art date
Application number
KR2019900013613U
Other languages
Korean (ko)
Other versions
KR940006924Y1 (en
Inventor
유덕배
Original Assignee
금성정보통신 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 금성정보통신 주식회사 filed Critical 금성정보통신 주식회사
Priority to KR2019900013613U priority Critical patent/KR940006924Y1/en
Publication of KR920005442U publication Critical patent/KR920005442U/en
Application granted granted Critical
Publication of KR940006924Y1 publication Critical patent/KR940006924Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/01—Details
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Control Of El Displays (AREA)
KR2019900013613U 1990-08-31 1990-08-31 Keyboard key input and display circuit KR940006924Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019900013613U KR940006924Y1 (en) 1990-08-31 1990-08-31 Keyboard key input and display circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019900013613U KR940006924Y1 (en) 1990-08-31 1990-08-31 Keyboard key input and display circuit

Publications (2)

Publication Number Publication Date
KR920005442U true KR920005442U (en) 1992-03-26
KR940006924Y1 KR940006924Y1 (en) 1994-10-06

Family

ID=19302995

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019900013613U KR940006924Y1 (en) 1990-08-31 1990-08-31 Keyboard key input and display circuit

Country Status (1)

Country Link
KR (1) KR940006924Y1 (en)

Also Published As

Publication number Publication date
KR940006924Y1 (en) 1994-10-06

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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
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19970214

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee