JPH0330890B2 - - Google Patents

Info

Publication number
JPH0330890B2
JPH0330890B2 JP57035023A JP3502382A JPH0330890B2 JP H0330890 B2 JPH0330890 B2 JP H0330890B2 JP 57035023 A JP57035023 A JP 57035023A JP 3502382 A JP3502382 A JP 3502382A JP H0330890 B2 JPH0330890 B2 JP H0330890B2
Authority
JP
Japan
Prior art keywords
key
pulse train
pulse
keys
keyboard module
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 - Lifetime
Application number
JP57035023A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57174734A (en
Inventor
Jeemusu Ueikuringu Antonii
Deibitsudo Tonpuson Aran
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 Ferranti PLC filed Critical Ferranti PLC
Publication of JPS57174734A publication Critical patent/JPS57174734A/ja
Publication of JPH0330890B2 publication Critical patent/JPH0330890B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/975—Switches controlled by moving an element forming part of the switch using a capacitive movable element
    • H03K17/98—Switches controlled by moving an element forming part of the switch using a capacitive movable element having a plurality of control members, e.g. keyboard

Landscapes

  • Input From Keyboards Or The Like (AREA)
JP57035023A 1981-03-06 1982-03-05 Keyboard module Granted JPS57174734A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8107181A GB2094529B (en) 1981-03-06 1981-03-06 Keyboard modules for use in data terminals

Publications (2)

Publication Number Publication Date
JPS57174734A JPS57174734A (en) 1982-10-27
JPH0330890B2 true JPH0330890B2 (OSRAM) 1991-05-01

Family

ID=10520214

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57035023A Granted JPS57174734A (en) 1981-03-06 1982-03-05 Keyboard module

Country Status (4)

Country Link
US (1) US4494110A (OSRAM)
JP (1) JPS57174734A (OSRAM)
FR (1) FR2501395A1 (OSRAM)
GB (1) GB2094529B (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4595913A (en) * 1983-02-10 1986-06-17 Pie Associates Capacitor touch activated switching system
SE443057B (sv) * 1984-08-09 1986-02-10 Tecator Ab Anordning och sett for registrering av en utmed en strecka gjord analog legesangivelse som en digital signal
US4700377A (en) * 1985-10-04 1987-10-13 Sony Corporation Selectively actuable electronic apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3244369A (en) * 1964-09-25 1966-04-05 Ibm Input-output conversion apparatus
US3750113A (en) * 1971-11-12 1973-07-31 Becton Dickinson Co Capacitive keyboard
US3921166A (en) * 1972-09-15 1975-11-18 Raytheon Co Capacitance matrix keyboard
US3825926A (en) * 1973-02-05 1974-07-23 Ibm Interfacing circuitry for connecting a remote keyboard with a data receiving buffer
GB1479584A (en) * 1973-07-14 1977-07-13 Solartron Electronic Group Data terminals and data processing apparatus incorporating such terminals
US4078257A (en) * 1976-08-23 1978-03-07 Hewlett-Packard Company Calculator apparatus with electronically alterable key symbols

Also Published As

Publication number Publication date
US4494110A (en) 1985-01-15
GB2094529A (en) 1982-09-15
JPS57174734A (en) 1982-10-27
FR2501395B1 (OSRAM) 1984-11-02
GB2094529B (en) 1984-07-18
FR2501395A1 (fr) 1982-09-10

Similar Documents

Publication Publication Date Title
US6704005B2 (en) Input device which allows button input operation and coordinate input operation to be performed in the same operation plane
US4127752A (en) Tactile touch switch panel
JPH06283993A (ja) スイッチ装置
KR940009293B1 (ko) 마우스 기능을 구비한 키보드의 구현방법
US5557299A (en) Method and apparatus for a learning styled computer keyboard
EP0235251B1 (en) Sound generating system for a keyboard
JPH0330890B2 (OSRAM)
JP4334816B2 (ja) 入力装置及びそれを備えた電子機器
JPH0119179B2 (OSRAM)
US4567469A (en) Matrix keyboard
JPH1039993A (ja) 透明タッチパネル及びそれを利用した入力装置
JP3144482B2 (ja) 形状可変型スイッチ
US4024536A (en) Method and a device for character presentation
JPH0782781B2 (ja) パネルスイツチ
KR100637123B1 (ko) 터치 패널
CN223539176U (zh) 易于更换按键布局的触控键盘装置
JP2001142620A (ja) キーボード
JPH04172523A (ja) クリック感付透明スイッチ
JPS6350693Y2 (OSRAM)
JPH02212912A (ja) 操作パネルスイッチ
JP2594680B2 (ja) キーマトリクス
JPS5897735A (ja) 透視形押圧入力装置
JP2002109982A (ja) ボタン機構及び通信装置
TW444217B (en) Method and device for monitoring switch
JPH0833796B2 (ja) スイッチ装置