Measuring and testing – Speed – velocity – or acceleration – Angular rate using gyroscopic or coriolis effect
Reexamination Certificate
2007-04-03
2007-04-03
Kwok, Helen (Department: 2856)
Measuring and testing
Speed, velocity, or acceleration
Angular rate using gyroscopic or coriolis effect
C073S504140
Reexamination Certificate
active
11062378
ABSTRACT:
In some embodiments, an apparatus and a system, as well as a method and an article, may include coupling a plurality of masses to provide a plurality of output signals responsive to motion relative to a common axis. Moving the plurality of masses at a substantially common frequency, moving a subset of the plurality of masses out of phase with the remainder of the plurality of masses, and combining the plurality of output signals to provide a combined signal associated with a response property of at least one of the plurality of masses may also be included.
REFERENCES:
patent: 4930351 (1990-06-01), Macy et al.
patent: 5672949 (1997-09-01), Ward
patent: 5996409 (1999-12-01), Funk et al.
patent: 1359391 (2003-11-01), None
patent: 2301669 (1996-12-01), None
Halliburton Energy Service,s Inc.
Kwok Helen
Schwegman, Lundberg, Woessner and Kluth P.A.
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