EE03463B1 - Meetod ja seade klaviatuuri kodeerimiseks - Google Patents

Meetod ja seade klaviatuuri kodeerimiseks

Info

Publication number
EE03463B1
EE03463B1 EEP199900246A EE9900246A EE03463B1 EE 03463 B1 EE03463 B1 EE 03463B1 EE P199900246 A EEP199900246 A EE P199900246A EE 9900246 A EE9900246 A EE 9900246A EE 03463 B1 EE03463 B1 EE 03463B1
Authority
EE
Estonia
Prior art keywords
keyboard
encoding
Prior art date
Application number
EEP199900246A
Other languages
English (en)
Other versions
EE9900246A (et
Inventor
Georg Michael Uggmark Johan
Original Assignee
Telefonaktiebolaget Lm Ericsson (Publ)
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 Telefonaktiebolaget Lm Ericsson (Publ) filed Critical Telefonaktiebolaget Lm Ericsson (Publ)
Publication of EE9900246A publication Critical patent/EE9900246A/et
Publication of EE03463B1 publication Critical patent/EE03463B1/et

Links

Classifications

    • 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
    • H03M11/22—Static coding
    • H03M11/24—Static coding using analogue means, e.g. by coding the states of multiple switches into a single multi-level analogue signal or by indicating the type of a device using the voltage level at a specific tap of a resistive divider
    • 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
    • H03M11/22—Static coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Selective Calling Equipment (AREA)
EEP199900246A 1996-12-19 1997-12-19 Meetod ja seade klaviatuuri kodeerimiseks EE03463B1 (et)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9604684A SE508136C2 (sv) 1996-12-19 1996-12-19 Anordning och förfarande för tangentbordsavläsning
PCT/SE1997/002200 WO1998027658A1 (en) 1996-12-19 1997-12-19 An apparatus and a method for keyboard encoding

Publications (2)

Publication Number Publication Date
EE9900246A EE9900246A (et) 1999-12-15
EE03463B1 true EE03463B1 (et) 2001-06-15

Family

ID=20405050

Family Applications (1)

Application Number Title Priority Date Filing Date
EEP199900246A EE03463B1 (et) 1996-12-19 1997-12-19 Meetod ja seade klaviatuuri kodeerimiseks

Country Status (12)

Country Link
US (2) US6222466B1 (et)
EP (1) EP0960482B1 (et)
JP (1) JP2001506787A (et)
KR (1) KR100551110B1 (et)
CN (1) CN1139189C (et)
AU (1) AU730826B2 (et)
BR (1) BR9714147A (et)
DE (1) DE69731313T2 (et)
EE (1) EE03463B1 (et)
MY (1) MY119344A (et)
SE (1) SE508136C2 (et)
WO (1) WO1998027658A1 (et)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3272330B2 (ja) * 1999-08-04 2002-04-08 株式会社バーテックススタンダード キーマトリックス回路
TW439366B (en) * 1999-11-19 2001-06-07 Darfon Electronics Corp Key scanning circuit
FI108096B (fi) * 1999-12-28 2001-11-15 Nokia Mobile Phones Ltd Kapasitiivisesti kytketty näppäimistörakenne
FI108582B (fi) 2000-05-02 2002-02-15 Nokia Corp Näppäimistön valaisujärjestely, joka mahdollistaa näppäinten muuttuvan ja yksilöllisen valaisemisen, sekä menetelmä sen käyttämiseksi
US6577250B1 (en) * 2000-05-19 2003-06-10 Microsoft Corporation Resistance based keyboard key discrimination
US6639523B2 (en) * 2001-01-17 2003-10-28 Nokia Corporation Resistive keyboard with status keys
US7391342B1 (en) * 2003-02-05 2008-06-24 Zilog, Inc. Low-cost keypad encoding circuit
US7064682B2 (en) * 2003-06-05 2006-06-20 Texas Instruments Incorporated Relaxation oscillator based keypad decoder
WO2006002661A1 (en) * 2004-06-30 2006-01-12 Freescale Semiconductor, Inc. Keypad signal input apparatus
DE102005056305A1 (de) * 2005-11-24 2007-06-06 Siemens Ag Cockpitmodul
JP2008027068A (ja) * 2006-07-19 2008-02-07 Internatl Business Mach Corp <Ibm> キーボードのキー情報の識別
TWI307520B (en) * 2006-09-15 2009-03-11 Novatek Microelectronics Corp Key system utilizing two operation nodes to detect the status of a plurality of keys
US8866642B2 (en) * 2007-11-23 2014-10-21 Google Inc. Uniquely identifiable keys for electronic keyboards
KR20110044027A (ko) * 2009-10-22 2011-04-28 삼성전자주식회사 키 입력 장치
KR20110048799A (ko) * 2009-11-03 2011-05-12 삼성전자주식회사 휴대 단말기의 입력 장치와 이를 이용하는 휴대 단말기 및 그의 운용 방법
CN101995550B (zh) * 2010-09-30 2013-01-09 江苏惠通集团有限责任公司 按键检测的触发方法及装置、按键检测方法
CN101968530B (zh) * 2010-09-30 2012-10-17 江苏惠通集团有限责任公司 按键检测方法及装置
CN102053224B (zh) * 2010-11-04 2012-10-31 江苏惠通集团有限责任公司 按键检测方法及装置
CN103391085B (zh) * 2012-05-10 2016-08-03 原相科技股份有限公司 共用一接脚以侦测多个按键的电路与方法及按键输入系统
JP5590274B1 (ja) * 2013-03-08 2014-09-17 株式会社村田製作所 キー入力装置および電子機器

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3715745A (en) 1970-12-29 1973-02-06 Dennison Mfg Co Data input encoder
US3778815A (en) 1971-05-17 1973-12-11 Rca Corp Keyboard encoder
CA960587A (en) 1971-10-08 1975-01-07 Kosei Nomiya Key input circuit system for electronic apparatus
JPS591266Y2 (ja) 1974-01-10 1984-01-13 ヤマハ株式会社 電子楽器
US4315108A (en) 1975-09-29 1982-02-09 Mostek Corporation Integrated circuit chip telephone communication system
US4056692A (en) * 1976-08-02 1977-11-01 International Telephone And Telegraph Corporation Digital tone generator
US4065755A (en) * 1976-12-16 1977-12-27 Oliveira Ii Joseph P Touch-Tone encoder unit for mobile radio transmitter
US4146849A (en) 1977-01-31 1979-03-27 Tokyo Shibaura Electric Co., Ltd. Voltage controlled oscillator
FR2470497A1 (fr) 1979-11-23 1981-05-29 Cit Alcatel Clavier d'appel de poste telephonique automatique utilisant des techniques analogiques
US4495485A (en) * 1980-12-12 1985-01-22 General Electric Company Touch control arrangement for data entry
US4412209A (en) 1981-11-20 1983-10-25 W. H. Brady Co. RC Array
EP0147791B1 (en) * 1983-12-26 1990-08-29 Kabushiki Kaisha Toshiba Dual-tone multiple-frequency-signal generating apparatus
US4725816A (en) 1984-12-10 1988-02-16 John Fluke Mfg. Co., Inc. Matrix keyboard encoder circuit
GB2177862B (en) 1985-07-09 1989-07-19 Motorola Inc Waveform generators
GB2291762B (en) 1994-07-26 1999-04-07 Nokia Mobile Phones Ltd Mobile telephone
US5583933A (en) * 1994-08-05 1996-12-10 Mark; Andrew R. Method and apparatus for the secure communication of data
GB2303025A (en) * 1995-06-30 1997-02-05 Samsung Electronics Co Ltd Receiving and displaying a caller's telephone number in a mobile cordless telephone
KR100193824B1 (ko) * 1995-07-06 1999-06-15 윤종용 교환기의 착신 서비스 방법
KR100232865B1 (ko) * 1996-06-29 1999-12-01 윤종용 교환시스템의 자동 리다이알 방법

Also Published As

Publication number Publication date
CN1139189C (zh) 2004-02-18
EE9900246A (et) 1999-12-15
DE69731313T2 (de) 2005-10-20
SE508136C2 (sv) 1998-08-31
HK1026082A1 (en) 2000-12-01
JP2001506787A (ja) 2001-05-22
MY119344A (en) 2005-05-31
US6184805B1 (en) 2001-02-06
SE9604684D0 (sv) 1996-12-19
AU5506498A (en) 1998-07-15
EP0960482A1 (en) 1999-12-01
DE69731313D1 (de) 2004-11-25
AU730826B2 (en) 2001-03-15
BR9714147A (pt) 2000-02-08
SE9604684L (sv) 1998-06-20
CN1246221A (zh) 2000-03-01
WO1998027658A1 (en) 1998-06-25
US6222466B1 (en) 2001-04-24
KR100551110B1 (ko) 2006-02-09
EP0960482B1 (en) 2004-10-20
KR20000069438A (ko) 2000-11-25

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Legal Events

Date Code Title Description
KB4A Valid patent at the end of a year

Effective date: 20021231

KB4A Valid patent at the end of a year

Effective date: 20031231

HE1A Change of address
KB4A Valid patent at the end of a year

Effective date: 20041231

KB4A Valid patent at the end of a year

Effective date: 20051231

KB4A Valid patent at the end of a year

Effective date: 20061231

KB4A Valid patent at the end of a year

Effective date: 20071231

KB4A Valid patent at the end of a year

Effective date: 20081231

KB4A Valid patent at the end of a year

Effective date: 20091231

MM4A Lapsed by not paying the annual fees

Effective date: 20091219