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ELECTROMECHANICAL LIGHT VALVE

  • US 3,553,364 A
  • Filed: 03/15/1968
  • Issued: 01/05/1971
  • Est. Priority Date: 03/15/1968
  • Status: Expired due to Term
First Claim
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1. An electromechanical light valve for controlling the transmission of light from a source comprising:

  • a housing having grounded conductive walls for shielding the interior thereof from external electrostatic forces;

    mounting means in said housing transmitting light from said source and electrically insulating; and

    at least one electrostatically controlled leaf shutter mounted to said means and deflectable in said housing by means of an electrostatic charge thereon generated by an applied voltage.

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