Piezoelectric relay using Euler lever
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United States of America Patent
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Jun 12, 1984
Grant Date -
N/A
app pub date -
Jul 15, 1983
filing date -
Jul 15, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A resilient, flexible elongate member forming a movable electrical contact is squeezed endwise by energizing a piezoelectric body supporting one end of the member. The mechanical advantage provided by this Euler lever construction permits the minute dimensional change in the piezoelectric body to open or close the relay by causing the member to bow outwardly so that its intermediate portion physically makes or breaks electrical connection with a fixed electrical contact. The relay provides improved signal integrity and isolation at lower power dissipation levels than solid state switching alternatives. Form A, B, C, and D and other contact variations are possible. A temperature compensated miniature package containing a plurality of such relays may also be constructed.
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