Miniature electro-optic device having a conductive element...

Details Miniature electro-optic device having a conductive element... Miniature electro-optic device having a conductive element...

2003-11-18

2008-11-04

Le, Que T (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S239000

Reexamination Certificate

active

07446300

ABSTRACT:
A miniaturized electro-optical device having a first zone facing a second zone, a first condenser plate, a second condenser plate arranged in the second zone and smaller than or equal to the first condenser plate, an intermediate space between both zones, with a conductive element arranged therein and which is independent from the side walls and moves thereacross the space depending on voltages present across both plates, two inlet/outlet points for light of an optical circuit, where the conductive element modifies the state of passage of light between the inlet/outlet points, when it is in contact with the stop. The device can be used, for example, as an accelerometer, a tiltmeter, a Coriolis force detector, a microphone, for acoustic applications, for the manufacture of an optical switching matrix, for the projection of images or as a pressure flowrate, temperature, gas, sensor.

REFERENCES:
patent: 2218502 (1940-10-01), Breitenstein
patent: 6143997 (2000-11-01), Feng et al.
patent: 2002/0140533 (2002-10-01), Miyazaki et al.
patent: 1093142 (2001-04-01), None
patent: 1093143 (2001-04-01), None
patent: WO 01/06543 (2001-01-01), None
International Search Report for corresponding PCT/ES2003/000584 mailed Feb. 6, 2004.
U.S. Appl. No. 10/534,736, filed May 12, 2005, Josep Montanyà Silvestre, Baolab Microsystems S.L.

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