Contrary type key switch

Contrary type key switch

  • CN 103,489,686 A
  • Filed: 09/30/2013
  • Published: 01/01/2014
  • Est. Priority Date: 09/30/2013
  • Status: Active Application
First Claim
Patent Images

1. an anti-line key switch comprises following three unit:

  • Manual unit;

    comprise a keycap and elastomeric element, the finger presses keycap, keycap comes downwards to the limit, and now keycap, in pressed state, unclamps finger, and under the effect of elastomeric element, keycap goes upward to the limit, and now keycap is in release condition;

    On-off circuit;

    two contacts are wired on signal processing unit and form on-off circuit, and under the effect corresponding to the two states of described manual unit, described on-off circuit switches on and off two kinds of situations;

    Signal processing unit;

    corresponding to two kinds of situations of described on-off circuit, this signal processing unit is processed it, when work, or exports this key assignments signal, or does not export this key assignments signal;

    It is characterized in that, in the situation that described anti-line key switch is working;

    Described manual unit is when pressed state, and described on-off circuit is in disconnection, and described signal processing unit is exported this key assignments signal;

    Described manual unit is when release condition, and described on-off circuit is in the connection situation, and described signal processing unit is not exported this key assignments signal.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×