KEY BUTTON SWITCHES

Title: IMPROVEMENTS IN OR RELATING TO KEY BUTTON SWITCHES : A key button structure for a keyboard of a data input device comprises a plastics base plate having an opening defining a switch site for a push button biassed to a raised inoperative position by a resiliently flexible elastomeric membrane...

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Bibliographische Detailangaben
Hauptverfasser:	KIDSTON, WILLIAM W, DE'ATH, ROGER M, GRIFFITHS, DONALD E
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BASIC ELECTRIC ELEMENTS CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES PHYSICS RELAYS SELECTORS
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Beschreibung
Zusammenfassung:	Title: IMPROVEMENTS IN OR RELATING TO KEY BUTTON SWITCHES : A key button structure for a keyboard of a data input device comprises a plastics base plate having an opening defining a switch site for a push button biassed to a raised inoperative position by a resiliently flexible elastomeric membrane integral with the base plate. Single and multi-button assemblies are disclosed in which the push button(s) are located on guide means integral with the base plate and the key button structure is secured to a carrier by attachment means Integral with the base plate.