JPH051485B2 - - Google Patents

Info

Publication number
JPH051485B2
JPH051485B2 JP59153784A JP15378484A JPH051485B2 JP H051485 B2 JPH051485 B2 JP H051485B2 JP 59153784 A JP59153784 A JP 59153784A JP 15378484 A JP15378484 A JP 15378484A JP H051485 B2 JPH051485 B2 JP H051485B2
Authority
JP
Japan
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 - Lifetime
Application number
JP59153784A
Other versions
JPS6132127A (en
Inventor
Sadaichi Shiga
Original Assignee
Alps Electric Co Ltd
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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Priority to JP59153784A priority Critical patent/JPH051485B2/ja
Publication of JPS6132127A publication Critical patent/JPS6132127A/ja
Publication of JPH051485B2 publication Critical patent/JPH051485B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06K—RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K13/00—Conveying record carriers from one station to another, e.g. from stack to punching mechanism
    • H—ELECTRICITY
    • H03—BASIC 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
    • H03M11/003—Phantom keys detection and prevention
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06K—RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K3/00—Methods or arrangements for printing of data in the shape of alphanumeric or other characters from a record carrier, e.g. interpreting, printing-out from a magnetic tape
    • G06K3/02—Translating markings on a record carrier into printed data on the same record carrier, i.e. interpreting
JP59153784A 1984-07-24 1984-07-24 Expired - Lifetime JPH051485B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59153784A JPH051485B2 (ja) 1984-07-24 1984-07-24

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP59153784A JPH051485B2 (ja) 1984-07-24 1984-07-24
KR1019850000504A KR900000095B1 (ko) 1984-07-24 1985-01-28 키이보오드의 키이출력 방법
DE3519360A DE3519360C2 (ja) 1984-07-24 1985-05-30
GB08518726A GB2162351B (en) 1984-07-24 1985-07-24 A keyboard input device and a method of controlling keyboard signals
US07/275,697 US4922248A (en) 1984-07-24 1988-11-23 Key output method for keyboards

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP8274701A Division JP2839237B2 (ja) 1996-10-17 1996-10-17 キーボードのキーコード出力装置及び出力方式

Publications (2)

Publication Number Publication Date
JPS6132127A JPS6132127A (en) 1986-02-14
JPH051485B2 true JPH051485B2 (ja) 1993-01-08

Family

ID=15570064

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59153784A Expired - Lifetime JPH051485B2 (ja) 1984-07-24 1984-07-24

Country Status (5)

Country Link
US (1) US4922248A (ja)
JP (1) JPH051485B2 (ja)
KR (1) KR900000095B1 (ja)
DE (1) DE3519360C2 (ja)
GB (1) GB2162351B (ja)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0426130B2 (ja) * 1984-08-28 1992-05-06 Fujitsu Ltd
JPS62105531U (ja) * 1985-12-19 1987-07-06
JPS62160520A (en) * 1986-01-08 1987-07-16 Brother Ind Ltd Matrix switch device
DE3604236C1 (de) * 1986-02-11 1987-08-06 Ruf Kg Wilhelm Universell programmierbare Tastatur
US4794375A (en) * 1987-04-13 1988-12-27 Apple Computer, Inc. Keyboard crosspoint encoder having pseudo-n-key rollover
US4888600A (en) * 1988-01-29 1989-12-19 International Business Machine Corp. Keyboard arrangement with ghost key condition detection
US4906993A (en) * 1988-04-04 1990-03-06 John Fluke Mfg. Co., Inc. Keyboard scanner apparatus and method
GB2221071B (en) * 1988-07-04 1992-08-19 Devlin Electronics Ltd Improvements in electronic keyboards
GB2222286A (en) * 1988-08-25 1990-02-28 Acer Inc Method and apparatus for determining phanton switch condition
US5070330A (en) * 1989-01-12 1991-12-03 Acer Incorporated Keyboard scanning matrix
US5059974A (en) * 1989-02-02 1991-10-22 Acer Incorporated Method for determining phantom switch condition
DE4012450A1 (de) * 1990-04-19 1991-10-24 Heinrich Geiring Einrichtung fuer elektronische schreibmaschinen
KR930005841B1 (ko) * 1990-10-27 1993-06-25 삼성전자 주식회사 마이크로_콤퓨터시스템의 키스캔회로 및 그 방법
DE4106511C2 (de) * 1991-03-01 1998-04-09 Bosch Gmbh Robert Schaltungsanordnung für eine Tastatursteuerung
US5469159A (en) * 1991-09-09 1995-11-21 Mitsumi Electric Co., Ltd. Method capable of judging validity or invalidity of a status of switching elements in a keyboard switch device
US5402121A (en) * 1991-11-01 1995-03-28 Ast Research, Inc. Numeric keypad integration system
US5621402A (en) * 1993-07-21 1997-04-15 Advanced Micro Devices, Inc. Keypad scanner
US5486824A (en) * 1994-10-05 1996-01-23 Motorola, Inc. Data processor with a hardware keyscan circuit, hardware keyscan circuit, and method therefor
US5552781A (en) * 1994-10-31 1996-09-03 Ford Motor Company Fault tolerant method of decoding an electronic key system
US6417787B1 (en) * 1999-08-24 2002-07-09 United Microelectronics Corp. Method and apparatus for increasing the number of keys of a key-matrix
DE10360157A1 (de) * 2003-12-20 2005-07-28 Iacov Grinberg Verfahren zur Steuerung einer Eingabe von Signalen mit Hilfe einer Tastatur und Verfahren zur automatischen Feststellung im Laufe einer Eingabe eines Textes und seiner nachfolgenden Korrektur eines häufigen Erscheinens der nicht erwünschten Symbole von den benachbarten Tasten
KR100971289B1 (ko) * 2008-03-04 2010-07-20 주식회사 팬택 키 입력의 오감지 방지를 위한 키 입력 장치
WO2010061543A1 (ja) 2008-11-26 2010-06-03 京セラ株式会社 キー入力装置、及びキー入力装置を備えた携帯通信端末
JP5203150B2 (ja) * 2008-11-26 2013-06-05 京セラ株式会社 キー入力装置、及びキー入力装置を備えた携帯通信端末

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5477534A (en) * 1977-12-02 1979-06-21 Matsushita Electric Ind Co Ltd Digital input circuit
JPS54121026A (en) * 1978-03-13 1979-09-19 Fujitsu Ltd Input control system
JPS54122928A (en) * 1978-03-17 1979-09-22 Hitachi Ltd Keyboard control circuit
JPS5690328A (en) * 1979-12-24 1981-07-22 Toshiba Corp Keyboard control system
US4420744A (en) * 1981-02-12 1983-12-13 Oak Industries Inc. Keyboard crosspoint encoder having N-key rollover

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3493928A (en) * 1966-07-12 1970-02-03 Ibm Electronic keyboard terminal code checking system
US3745536A (en) * 1971-03-01 1973-07-10 Burroughs Corp High speed serial scan and read-out of keyboards
US4106011A (en) * 1975-10-24 1978-08-08 Tektronix, Inc. Keyboard circuit
JPS58161026A (en) * 1982-03-19 1983-09-24 Hitachi Ltd Input device
EP0095023A3 (en) * 1982-05-20 1985-04-10 International Business Machines Corporation Contact keyboard with finger controlled n-key rollover
US4581603A (en) * 1983-03-11 1986-04-08 The Maxi-Switch Company Switch matrix key closure validation device and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5477534A (en) * 1977-12-02 1979-06-21 Matsushita Electric Ind Co Ltd Digital input circuit
JPS54121026A (en) * 1978-03-13 1979-09-19 Fujitsu Ltd Input control system
JPS54122928A (en) * 1978-03-17 1979-09-22 Hitachi Ltd Keyboard control circuit
JPS5690328A (en) * 1979-12-24 1981-07-22 Toshiba Corp Keyboard control system
US4420744A (en) * 1981-02-12 1983-12-13 Oak Industries Inc. Keyboard crosspoint encoder having N-key rollover

Also Published As

Publication number Publication date
KR900000095B1 (ko) 1990-01-19
US4922248A (en) 1990-05-01
DE3519360C2 (ja) 1989-04-06
GB8518726D0 (en) 1985-08-29
DE3519360A1 (de) 1985-10-24
GB2162351A (en) 1986-01-29
KR860001389A (ko) 1986-02-26
GB2162351B (en) 1988-03-30
JPS6132127A (en) 1986-02-14

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