KR880020315U - Keyboard input circuit using ROM - Google Patents

Keyboard input circuit using ROM

Info

Publication number
KR880020315U
KR880020315U KR2019870005541U KR870005541U KR880020315U KR 880020315 U KR880020315 U KR 880020315U KR 2019870005541 U KR2019870005541 U KR 2019870005541U KR 870005541 U KR870005541 U KR 870005541U KR 880020315 U KR880020315 U KR 880020315U
Authority
KR
South Korea
Prior art keywords
rom
input circuit
keyboard input
keyboard
circuit
Prior art date
Application number
KR2019870005541U
Other languages
Korean (ko)
Other versions
KR890007635Y1 (en
Inventor
김명규
Original Assignee
삼성전자주식회사
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 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to KR2019870005541U priority Critical patent/KR890007635Y1/en
Publication of KR880020315U publication Critical patent/KR880020315U/en
Application granted granted Critical
Publication of KR890007635Y1 publication Critical patent/KR890007635Y1/en

Links

Classifications

    • 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
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
    • H03M11/20—Dynamic coding, i.e. by key scanning

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Input From Keyboards Or The Like (AREA)
KR2019870005541U 1987-04-17 1987-04-17 Key board input circuit using rom KR890007635Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870005541U KR890007635Y1 (en) 1987-04-17 1987-04-17 Key board input circuit using rom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870005541U KR890007635Y1 (en) 1987-04-17 1987-04-17 Key board input circuit using rom

Publications (2)

Publication Number Publication Date
KR880020315U true KR880020315U (en) 1988-11-30
KR890007635Y1 KR890007635Y1 (en) 1989-10-31

Family

ID=19261874

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870005541U KR890007635Y1 (en) 1987-04-17 1987-04-17 Key board input circuit using rom

Country Status (1)

Country Link
KR (1) KR890007635Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100395947B1 (en) * 2000-12-11 2003-08-27 주식회사 엘지이아이 Key input circuit in microwave oven

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100395947B1 (en) * 2000-12-11 2003-08-27 주식회사 엘지이아이 Key input circuit in microwave oven

Also Published As

Publication number Publication date
KR890007635Y1 (en) 1989-10-31

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Legal Events

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A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20010928

Year of fee payment: 13

EXPY Expiration of term