GB1375361A - - Google Patents

Info

Publication number
GB1375361A
GB1375361A GB4724370A GB4724370A GB1375361A GB 1375361 A GB1375361 A GB 1375361A GB 4724370 A GB4724370 A GB 4724370A GB 4724370 A GB4724370 A GB 4724370A GB 1375361 A GB1375361 A GB 1375361A
Authority
GB
United Kingdom
Prior art keywords
output
region
key
strip
depressed
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
Application number
GB4724370A
Other languages
English (en)
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 filed Critical
Priority to GB4724370A priority Critical patent/GB1375361A/en
Publication of GB1375361A publication Critical patent/GB1375361A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965Switches controlled by moving an element forming part of the switch
    • H03K17/975Switches controlled by moving an element forming part of the switch using a capacitive movable element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J5/00Devices or arrangements for controlling character selection
    • B41J5/08Character or syllable selected by means of keys or keyboards of the typewriter type
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965Switches controlled by moving an element forming part of the switch
    • H03K17/975Switches controlled by moving an element forming part of the switch using a capacitive movable element
    • H03K17/98Switches 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

  • Push-Button Switches (AREA)
GB4724370A 1970-10-05 1970-10-05 Expired GB1375361A (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4724370A GB1375361A (enExample) 1970-10-05 1970-10-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4724370A GB1375361A (enExample) 1970-10-05 1970-10-05

Publications (1)

Publication Number Publication Date
GB1375361A true GB1375361A (enExample) 1974-11-27

Family

ID=10444282

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4724370A Expired GB1375361A (enExample) 1970-10-05 1970-10-05

Country Status (1)

Country Link
GB (1) GB1375361A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007280A1 (fr) * 1978-07-13 1980-01-23 Jacques Lewiner Perfectionnements aux dispositifs de commande électrique du genre des boutons-poussoirs
US4371759A (en) 1981-01-07 1983-02-01 Cherry Electrical Products Corporation Encoding switch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007280A1 (fr) * 1978-07-13 1980-01-23 Jacques Lewiner Perfectionnements aux dispositifs de commande électrique du genre des boutons-poussoirs
FR2431224A1 (fr) * 1978-07-13 1980-02-08 Lewiner Jacques Perfectionnements aux dispositifs de commande electrique du genre des boutons-poussoirs
US4371759A (en) 1981-01-07 1983-02-01 Cherry Electrical Products Corporation Encoding switch

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee