Measuring and testing – Speed – velocity – or acceleration – Acceleration determination utilizing inertial element
Reexamination Certificate
2005-01-11
2005-01-11
Kwok, Helen C. (Department: 2856)
Measuring and testing
Speed, velocity, or acceleration
Acceleration determination utilizing inertial element
C073S514380
Reexamination Certificate
active
06840106
ABSTRACT:
A self-test structure is placed in the middle of a sensing structure that utilizes a movable mass. The sensing structure has portions aligned in two directions that are orthogonal to each other. The self-test structure is an actuator made up of individual sensing patterns. The individual sensing patterns are aligned along a line that is diagonal to the two directions, thereby reducing the number of individual sensing patterns required for the actuator that is used for self-test. The reduced number of sensing patterns results in more mass for the movable mass, thereby improving sensitivity of the sensing structure.
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patent: 6668614 (2003-12-01), Itakura
Clingan, Jr. James L.
Dolezal David G.
Kwok Helen C.
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