FI890158A0 - IDENTIFICATIONS ORORDING FOR TANGENT BORDERS. - Google Patents

IDENTIFICATIONS ORORDING FOR TANGENT BORDERS.

Info

Publication number
FI890158A0
FI890158A0 FI890158A FI890158A FI890158A0 FI 890158 A0 FI890158 A0 FI 890158A0 FI 890158 A FI890158 A FI 890158A FI 890158 A FI890158 A FI 890158A FI 890158 A0 FI890158 A0 FI 890158A0
Authority
FI
Finland
Prior art keywords
orording
identifications
borders
tangent
tangent borders
Prior art date
Application number
FI890158A
Other languages
Finnish (fi)
Inventor
Bradley Alan Sparks
Original Assignee
Rca Licensing 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 Rca Licensing Corp filed Critical Rca Licensing Corp
Publication of FI890158A0 publication Critical patent/FI890158A0/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

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)
  • Electronic Switches (AREA)
FI890158A 1988-01-29 1989-01-12 IDENTIFICATIONS ORORDING FOR TANGENT BORDERS. FI890158A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14976588A 1988-01-29 1988-01-29

Publications (1)

Publication Number Publication Date
FI890158A0 true FI890158A0 (en) 1989-01-12

Family

ID=22531704

Family Applications (1)

Application Number Title Priority Date Filing Date
FI890158A FI890158A0 (en) 1988-01-29 1989-01-12 IDENTIFICATIONS ORORDING FOR TANGENT BORDERS.

Country Status (4)

Country Link
JP (1) JPH027623A (en)
KR (1) KR890012211A (en)
CN (1) CN1034650A (en)
FI (1) FI890158A0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100442370B1 (en) * 2002-07-25 2004-07-30 엘지전자 주식회사 Key scan apparatus and method for mobile communication terminal
CN102637075A (en) * 2011-02-14 2012-08-15 苏州巴米特信息科技有限公司 Design method of special matrix keyboard
CN105700698B (en) * 2016-01-05 2018-07-24 湖南工业大学 Matrix keyboard state recognition and coding circuit
CN108880560B (en) * 2016-01-05 2022-03-18 湖南工业大学 Matrix keyboard reversal method scanning circuit
CN107168542A (en) * 2017-05-12 2017-09-15 广西财经学院 A kind of simple efficient matrix keyboard button localization method

Also Published As

Publication number Publication date
CN1034650A (en) 1989-08-09
JPH027623A (en) 1990-01-11
KR890012211A (en) 1989-08-25

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Legal Events

Date Code Title Description
FA Application withdrawn

Owner name: RCA LICENSING CORPORATION