Pivoting platform having a piezoelectric drive

Details Pivoting platform having a piezoelectric drive Pivoting platform having a piezoelectric drive

2005-10-18

2005-10-18

Phan, James (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S199200, C359S224200, C359S900000

Reexamination Certificate

active

06956683

ABSTRACT:
A pivoted platform has two flexible arms having rigid end zones which are attached by means of spacers to piezoelectric elements. The piezoelectric elements are made to deflect in opposite directions upon the application of the electrical signal to cause the platform to pivot. Applying voltages of the opposite polarity causes the platform to pivot in the opposite direction. A mirror may be attached to the platform to produce a scanning mirror for the vertical deflection of a television image.

REFERENCES:
patent: 5245464 (1993-09-01), Jensen
patent: 5629790 (1997-05-01), Neukermans
patent: 6295154 (2001-09-01), Laor et al.
patent: 6379510 (2002-04-01), Kane et al.
Piezo Systems, Inc., Introduction to Piezo Tranducers, Piezo Systems—Piezo Actuators & Transducers, pp. 1-8, Internet, Cambridge, Massachusetts, USA, no date.

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