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Elernal S A
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Elernal S A
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Priority to ES0207755UpriorityCriticalpatent/ES207755U/es
Publication of ES207755UpublicationCriticalpatent/ES207755U/es
Teclado perfeccionado para calculadoras electrónicas de tipo de las que llevan una plaqueta con circuito impreso, cuyos medios de contacto son accionables por respectivas teclas, caracterizado por que en correspondencia con las teclas, se hallan dispuestos medios elásticos de configuración sustancialmente lenticular, en cuyos bordes se hallan distribuidos tres salientes que definen un plano virtual de apoyo sobre un correspondiente contacto circunferencial de la plaqueta de circuito impreso, que rodea un contacto central eléctricamente aislado de aquél.
ES0207755U1974-11-221974-11-22Teclado perfeccionado para calculadoras electrónicas
PendingES207755U
(es)