Actuator with Alternating Steady Voltage Combs and Variable...

Details Actuator with Alternating Steady Voltage Combs and Variable... Actuator with Alternating Steady Voltage Combs and Variable...

2006-02-07

2009-08-25

Tamai, Karl I (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Charge accumulating

C359S224200, C359S225100, C359S291000

Reexamination Certificate

active

07579746

ABSTRACT:
An actuator includes: a base section; an object having a body portion and a holding portion holding the body portion in a manner that the body portion is movable against the base section; a movable comb-tooth portion extending from the object side in a direction substantially perpendicular to a formation direction of the holding portion; and a fixed comb-tooth portion which extends from the base section in a direction substantially perpendicular to the formation direction of the holding portion and which is arranged at a position at which the fixed comb-tooth portion is engaged with but having a gap from the movable comb-tooth portion; the fixed comb-tooth portion being composed of a steady-voltage-receiving fixed comb tooth that steadily supplies a drive voltage and a variable-voltage-receiving fixed comb tooth that receives a controlled voltage.

REFERENCES:
patent: 5963367 (1999-10-01), Aksyuk et al.
patent: 6133670 (2000-10-01), Rodgers
patent: 6853517 (2005-02-01), Hirano
patent: 7034370 (2006-04-01), Kuo
patent: 7185994 (2007-03-01), Ko et al.
patent: 2004/0155556 (2004-08-01), Onoda
patent: 2006/0227553 (2006-10-01), Nakamura et al.
patent: 1534610 (2004-10-01), None
patent: 2004-301865 (2004-10-01), None

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