Actuator and object detecting apparatus that uses actuator...

Details Actuator and object detecting apparatus that uses actuator... Actuator and object detecting apparatus that uses actuator...

2006-06-13

2006-06-13

Luu, Thanh X. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

Reexamination Certificate

active

07060962

ABSTRACT:
An actuator includes a blade spring of which one end is fixed to a fixed member and other end is fixed to a movable member. A driving unit moves the movable member. A position detector detects a distance to a flat portion of the blade spring, and a calculating unit calculates an amount of displacement of the movable member based on the distance detected by the position detector.

REFERENCES:
patent: 6199427 (2001-03-01), Kroll et al.
patent: 6493170 (2002-12-01), Kato et al.
patent: 10-123252 (1998-05-01), None

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