CA1205206A - Keyboard interface system - Google Patents

Keyboard interface system

Info

Publication number
CA1205206A
CA1205206A CA000448059A CA448059A CA1205206A CA 1205206 A CA1205206 A CA 1205206A CA 000448059 A CA000448059 A CA 000448059A CA 448059 A CA448059 A CA 448059A CA 1205206 A CA1205206 A CA 1205206A
Authority
CA
Canada
Prior art keywords
data
line
signal
clock
keyboard
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA000448059A
Other languages
English (en)
French (fr)
Inventor
Toshio Suzuki
Tsutomu Yanagi
Kenshin Yonemochi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1205206A publication Critical patent/CA1205206A/en
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Communication Control (AREA)
CA000448059A 1983-03-11 1984-02-22 Keyboard interface system Expired CA1205206A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58-39326 1983-03-11
JP58039326A JPS59165125A (ja) 1983-03-11 1983-03-11 キ−ボ−ド・インタフエ−ス・システム

Publications (1)

Publication Number Publication Date
CA1205206A true CA1205206A (en) 1986-05-27

Family

ID=12549968

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000448059A Expired CA1205206A (en) 1983-03-11 1984-02-22 Keyboard interface system

Country Status (5)

Country Link
JP (1) JPS59165125A (ko)
KR (1) KR870000170B1 (ko)
AU (1) AU556911B2 (ko)
BR (1) BR8401004A (ko)
CA (1) CA1205206A (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ214078A (en) * 1984-11-10 1988-08-30 Int Computers Ltd Keyboard subset powered by standby source during mains failure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4460957A (en) * 1981-08-12 1984-07-17 International Business Machines Corporation Self-pacing serial keyboard interface for data processing system

Also Published As

Publication number Publication date
BR8401004A (pt) 1984-10-16
KR870000170B1 (ko) 1987-02-13
JPS59165125A (ja) 1984-09-18
JPH0312728B2 (ko) 1991-02-20
AU556911B2 (en) 1986-11-27
AU2527484A (en) 1984-09-13
KR840008188A (ko) 1984-12-13

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Legal Events

Date Code Title Description
MKEX Expiry