Driver unit

Details Driver unit Driver unit

2011-05-31

2011-05-31

Haley, Joseph (Department: 2627)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Electrical modification or sensing of storage medium

Reexamination Certificate

active

07952983

ABSTRACT:
A driving apparatus (100c) is provided with: a base portion (110); a stage portion (130) on which a driven object (12) is mounted and which can be displaced; an elastic portion (120) which connects the base portion and the stage portion and which has elasticity to displace the stage portion in one direction (Y axis); and a first applying device (161, 162, 22) for applying, to the base portion, an excitation force for displacing the stage portion such that the stage portion is resonated in the one direction at a resonance frequency determined by the stage portion and the elastic portion.

REFERENCES:
patent: 5717630 (1998-02-01), Koshikawa et al.
patent: 62-105440 (1987-05-01), None
patent: 05-126517 (1993-05-01), None
patent: 05-314549 (1993-11-01), None
patent: 06-231493 (1994-08-01), None
patent: 2002-018665 (2002-01-01), None
International Search Report, PCT/JP2007/057077, Jul. 3, 2007.
Tatehiko Hasebe et al., “Development of wide lateral stroke electro-magnetic actuator driven by low voltage”, IEEJ Sensors and Micromachines Society sogo-Kenkyukai/Micromachines and sensor systems Kenkyu-kai, No. MSS-06-12, Technical Meeting on Sensors and Micromachines 2006.

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