Actuator

Details Actuator Actuator

1994-04-12

1996-10-08

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310317, H02N 200, H01L 4108

Patent

active

055634656

ABSTRACT:
An actuator includes piezo electric devices which are installed in contact with a drive head and a driven body which is contact-driven by the drive head. Thus, only one mechanism performs coarse motion and micromotion by forming a gap between the drive head and driven body. The high precision positioning mechanism can be miniaturized and constructed at a low price.

REFERENCES:
patent: 3902084 (1975-08-01), May
patent: 4613782 (1986-09-01), Mori et al.
patent: 4950135 (1990-08-01), Tojo et al.
patent: 4997177 (1991-03-01), Mori et al.
patent: 5013958 (1991-05-01), Ohnishi et al.
patent: 5071113 (1991-12-01), Nakamura et al.
patent: 5073912 (1991-12-01), Kobayashi et al.
patent: 5089740 (1992-02-01), Ono
patent: 5198935 (1993-03-01), Imanari et al.

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