Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2006-01-17
2006-01-17
Nguyen, Tai T. (Department: 2632)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S686300, C340S691100, C340S545500, C033S366110, C033S366210, C033S366230, C033S366240, C033S315000, C073S652000, C073S38200R, C200S061520, C200S06145M
Reexamination Certificate
active
06987460
ABSTRACT:
Disclosed is an orientation device that may be deployed in a mechanical assembly such as a surveillance camera or enclosure to positively determine the physical orientation and/or attitude (tilt), or any change in such physical orientation and/or attitude, of either the camera or the enclosure, and report that information electronically. The invention includes a sensor that is triggered by the movement of a weighted flag along a shaft caused by gravity or gravity in conjunction with the operation of a spring. As the invention is rotated through 360°, the force of gravity and force of the spring are exerted on the weighted flag, causing it to move along the shaft as the assembly is rotated. Each movement by the flag is detected by the sensor which sends an electronic signal indicating that a predetermined point has been reached. Multiple assemblies may be used, offset from each other, to provide additional and more precise position information.
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The Fredericks Company, information from website, 19 pgs.
Omron Micro Tilt Switch brochure (4 pgs); Nov. 19, 2002.
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Astralux Non-Mercury Tilt Sensor brochure (4 pgs); 1998.
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Tilt & Vibration Sensing Switches brochure (3 pgs); Mar. 14, 2003 by Signal Systems International, Inc.
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Mechanical Drawings Tilt and Vibration information sheet (2 pgs); Mar. 14, 2003 by Signal Systems International, Inc.
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Lyon Thomas C.
Pokrovsky Alex
Tews Erik H.
Miller Mark D.
Nguyen Tai T.
Pelco
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