Control of an automatic darkening filter

Control of an automatic darkening filter

  • CN 101,283,295 A
  • Filed: 10/10/2006
  • Published: 10/08/2008
  • Est. Priority Date: 10/11/2005
  • Status: Active Application
First Claim
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1. system comprises:

  • Switchable filter, it becomes dark state in response to dark state command message by bright state;

    Power controller, it provides power in response to starting tool command to instrument;

    AndCommunication unit, it generates described dark state command message in response to tool activation signal;

    Wherein, in case enter described dark state, described switchable filter just further generates dark state acknowledge message;

    Wherein, described communication unit further generates described startup tool command in response to described dark state acknowledge message.

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