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EP0036015A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Photo-optical keyboard providing tactile feel

Assignee: Unisys Corp
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Filing: 1981-03-23
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Granted: —
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Expires: 2001-03-23
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Abstract

Abstract Translated from English Clavier photo-optique ayant un boitier de clavier et des touches ameliorees pour donner une sensation de toucher. Le boitier du clavier est une piece en plastique moule ayant une matrice de rangees et colonnes d'ouverture pour les touches. Chacune des ouvertures possede des aretes (56) sur la surface interieure. Les touches sont formees en fonction des ouvertures. Chaque touche possede des doigts flexibles (48) sur ses parois laterales. Les doigts flexibles ont des aretes (52). Les aretes formees sur les doigts flexibles etablissent le contact avec les aretes de la surface interieure de l'ouverture pendant l'enfoncement pour donner une sensation de toucher. Photo-optical keyboard having a keyboard case and improved keys to give a feeling of touch. The keyboard case is a molded plastic piece having a matrix of rows and columns of opening for the keys. Each of the openings has ridges (56) on the interior surface. The keys are shaped according to the openings. Each key has flexible fingers (48) on its side walls. The flexible fingers have ridges (52). The ridges formed on the flexible fingers make contact with the ridges on the interior surface of the opening during depression to give a feeling of touch.

Inventors

  • 👤 Edward I. Nelson

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-06 20:12
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/50; H03; H03K; H03K17/00; H03K17/94; H03K17/965; H03K17/968; H03K17/969

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