FR2501395A1 - Module de clavier pour terminal de traitement d'informations - Google Patents

Module de clavier pour terminal de traitement d'informations Download PDF

Info

Publication number
FR2501395A1
FR2501395A1 FR8203661A FR8203661A FR2501395A1 FR 2501395 A1 FR2501395 A1 FR 2501395A1 FR 8203661 A FR8203661 A FR 8203661A FR 8203661 A FR8203661 A FR 8203661A FR 2501395 A1 FR2501395 A1 FR 2501395A1
Authority
FR
France
Prior art keywords
key
train
pulse
keys
receive
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.)
Granted
Application number
FR8203661A
Other languages
English (en)
French (fr)
Other versions
FR2501395B1 (https=
Inventor
Antony James Wakeling
Alan David Thompson
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.)
Gemalto Terminals Ltd
Original Assignee
Solartron Electronic Group 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 Solartron Electronic Group Ltd filed Critical Solartron Electronic Group Ltd
Publication of FR2501395A1 publication Critical patent/FR2501395A1/fr
Application granted granted Critical
Publication of FR2501395B1 publication Critical patent/FR2501395B1/fr
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)
FR8203661A 1981-03-06 1982-03-05 Module de clavier pour terminal de traitement d'informations Granted FR2501395A1 (fr)

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
FR2501395A1 true FR2501395A1 (fr) 1982-09-10
FR2501395B1 FR2501395B1 (https=) 1984-11-02

Family

ID=10520214

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8203661A Granted FR2501395A1 (fr) 1981-03-06 1982-03-05 Module de clavier pour terminal de traitement d'informations

Country Status (4)

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

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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2237248A1 (https=) * 1973-07-14 1975-02-07 Solartron Electronic Group

Family Cites Families (5)

* 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
US4078257A (en) * 1976-08-23 1978-03-07 Hewlett-Packard Company Calculator apparatus with electronically alterable key symbols

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2237248A1 (https=) * 1973-07-14 1975-02-07 Solartron Electronic Group

Also Published As

Publication number Publication date
FR2501395B1 (https=) 1984-11-02
US4494110A (en) 1985-01-15
GB2094529B (en) 1984-07-18
JPS57174734A (en) 1982-10-27
JPH0330890B2 (https=) 1991-05-01
GB2094529A (en) 1982-09-15

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse