公开(公告)号：US5760351A

公开(公告)日：1998-06-02

申请号：US634237

申请日：1996-04-18

Applicant: Ching-Cheng Tsai

Inventor： Ching-Cheng Tsai

IPC: H01H13/702 ,  H01H13/70 ,  H01H1/10

CPC classification number: H01H13/702 ,  H01H2213/01 ,  H01H2215/014 ,  H01H2229/044

Abstract: A rubber cone layer for use in a computer keyboard, having fine grains distributed over the top and bottom sides thereof to prevent sticking to the membrane circuit of the computer keyboard, and a plurality of rubber cones raised from the top side corresponding to the key switches of the computer keyboard for compression by the key switches to trigger respective contact points at the membrane circuit, each of the rubber cones having a downward plunger terminating in a conductive element and spaced above one contact point of the membrane circuit.

Abstract translation: 一种用于计算机键盘的橡胶锥层，具有分布在其顶面和底面上的细颗粒以防止粘附到计算机键盘的膜电路，以及从顶部对应于键开关升起的多个橡胶锥体 所述计算机键盘通过所述键开关进行压缩以触发所述膜电路处的各个接触点，所述橡胶锥体中的每一个具有端接在导电元件中且间隔在所述膜电路的一个接触点上方的向下的柱塞。

公开(公告)号：USD375088S

公开(公告)日：1996-10-29

申请号：US41642

申请日：1995-07-20

Applicant: Ching-Cheng Tsai

Designer： Ching-Cheng Tsai