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55results about "Interspersed finger contacts" patented technology

Compact key structure

A compact key structure comprises a base plate, a conductive membrane, an elastic member, a frame and a cap wherein said key structure is characterized in that the conductive membrane is single-film structure and has a contact corresponding to each key and with meshed-hook shape <CUSTOM-CHARACTER FILE="US06191776-20010220-P00001.TIF" ID="CUSTOM-CHARACTER-00001">. An aperture is provided at the center of the contact for venting air. The elastic member and the cap are attached by a non-reactive type paste such that the elastic member and the cap can be attached and separated repeatedly. The surface of said elastic member attached to said cap is of staircase shape and has venting holes formed on the lateral side to facilitating the restoring of the elastic member after being pressed. Moreover, a conductive bump is provided within the elastic member and corresponding to the conductive membrane. A conductive layer is formed on the conductive layer and corresponding to the contact of the conductive membrane. The conductive bump of the elastic member is connected to the contact of the conductive membrane and a closed loop is formed within the key when the cap is pressed down, whereby the signal generated by key stroking action is transmitted to the computer. The conductive membrane is designed to be single-film structure, whereby the keyboard is more compact with reduced height.
Owner:LITE ON TECH CORP

Contactor component of vacuum breaker

The present invention discloses a contactor assembly which is used for vacuum circuit breaker and can prevent the increase of contact resistance caused by vibration and has a tulip shape. The contactor assembly used for vacuum circuit breaker is installed on the terminal of main circuit for connecting the terminal of main circuit with the terminal of bracket. The contactor assembly comprises the following components: a contactor plate which is fixedly connected with the terminal of main circuit; a plurality of contactor fingers which are concentrically installed; a supporting board which is provided with a plurality of teeth parts on the external surface and valley parts used for fixing the contactor fingers between the teeth parts; and a plurality of annular springs which are used for providing the elastic pressure to the contactor fingers. Each contactor finger comprises an electric conductor plate which comprises the following components: a first projection contacting with the terminal of main circuit, a second projection contacting with the terminal of bracket, and a planar part between the first projection and the second projection. Furthermore the electric conductor plate is constructed that the electric conductor plate is movable relatively to the conductor plate when vibration occurs for preventing the increase of contact resistance caused by the contact to the terminal of main circuit.
Owner:LSIS CO LTD
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