Agitating – By vibration – Of platform or mixing chamber supported by vibrator
Reexamination Certificate
2007-09-18
2007-09-18
Cooley, Charles E. (Department: 1723)
Agitating
By vibration
Of platform or mixing chamber supported by vibrator
C366S116000, C366S212000, C366S601000
Reexamination Certificate
active
11063367
ABSTRACT:
A resonant shaker includes a support tray for supporting a target carrier. A sensor generates an electrical signal that is related to an acceleration of the support tray. A linear drive motor includes an armature that is coupled to the support tray. The linear drive motor provides an oscillating drive force to the support tray in response to a drive current applied to the linear drive motor. The resonant shaker also includes a controller. The controller receives the electrical signal from the sensor and a drive signal that is related to the drive current. The controller transmits a modified drive current to the linear drive motor in response to a predetermined phase relationship between the electrical signal and the drive signal.
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Bose Corporation
Cooley Charles E.
Fish & Richardson P.C.
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