Optics: measuring and testing – Range or remote distance finding – With photodetection
Reexamination Certificate
2008-01-03
2009-10-27
Alsomiri, Isam (Department: 3662)
Optics: measuring and testing
Range or remote distance finding
With photodetection
C356S004030
Reexamination Certificate
active
07609364
ABSTRACT:
A compact, power-saving laser distance finder with high accuracy is disclosed having a laser generating device, a collimating lens in an emitting end direction of the laser generating device, a receiving lens, an optoelectronic detector, a reflective member rotatably mounted on an optical path of the collimating measuring beam via a rotating shaft and being capable of rotating to a blocking position and an non-blocking position. There is a transmission part on one end of the reflective member, the transmission part has an interval apart from an axis of the rotating shaft and engages with teeth of a worm driven by motor. When the reflective member reaches a predetermined position, it can be kept at that position through self-locking of the engagement between the worm's teeth and the transmission part without supplying power to the motor continuously, and a distance measuring is carried out and accuracy ensured.
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Published UK Patent Application and UK Search Report for related UK Application No. GB0722833.1.
Alsomiri Isam
Chervon Limited
McDermott Will & Emery LLP
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