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US 6,396,012 B1Granted
Attitude sensing electrical switch
OwnerRodger E. Bloomfieldinventor
Life of this patent
Estimating the term…
Abstract
An attitude sensing electrical switch uses an electrically conductive powder as the switching medium. The powder has a particle size and shape that enables it to flow smoothly into and out of contact with electrical terminals mounted in the switch. Silver, gold, and copper powders with a particle size between one-hundred-forty and three-hundred microns perform effectively.
Claims12
An attitude sensing electrical switch comprising
- an electrically conductive housing,
- an electrical terminal located inside said housing and electrically insulated from the housing, and
- an electrically conducting powder movably located inside said housing, said powder moving into a position where it provides an electrical connection between the housing and the electrical terminal when the housing is tilted into a first attitude, said powder moving into another position where it does not provide an electrical connection between the housing and the terminal when the housing is tilted into a second attitude, said powder having a particle size of seventy-five to three hundred microns.
An attitude sensing electrical switch comprising
- an electrically insulated housing,
- electrical terminals located within said housing, and
- an electrically conducting powder movably located inside said housing, said powder moving into a position where it provides an electrical connection between said electrical terminals when the housing is tilted into a first attitude, said powder moving into another position where it does not provide an electrical connection between said terminals when the housing is tilted into a second attitude, said powder having a particle size of seventy-five to three hundred microns.
Dependencies are inferred from the claim text.