Patents Assigned to LD A/S
  • Electrostatically controlled microswitch
    Patent number: 6034339
    Abstract: A switch has a housing defining a closed cavity having opposite, first and second walls. A first control electrode is on the first wall. A first contact electrode is on one of the first and second walls. A diaphragm electrode is across the cavity and spaced from the first contact electrode, the diaphragm electrode being responsive to electric potential relative to the first control electrode for flexing across the space and into contact with the first contact electrode, whereby to close the switch.
    Type: Grant
    Filed: April 20, 1998
    Date of Patent: March 7, 2000
    Assignee: LD A/S
    Inventors: Peter Pinholt, Ole Hansen