Optics: measuring and testing – Range or remote distance finding – With photodetection
Patent
1997-10-31
1999-09-14
Buczinski, Stephen C.
Optics: measuring and testing
Range or remote distance finding
With photodetection
372 33, G01C 308, H01S 300
Patent
active
059531088
ABSTRACT:
A rotating laser beam projector includes a power controller having a micro controller coupled to a laser power circuit which determines whether the laser beam emitted by the projector is rotating or stationary. When the laser beam is rotating, the laser power circuit delivers a first level of continuance power to the laser. When the laser beam is stationary, the laser power circuit delivers a second level of continuance power to the laser which is less than the first level of power. The micro controller communicates messages from the laser beam projector to a remotely positioned sensor assembly by rotating the laser beam at a first speed when no message is to be communicated and rotating the laser beam at a second speed, different from the first speed, when a message is to be communicated. The laser beam projector includes a bridge for delivering electrical power to a pendulum-supported device from a stationary source. A first conductor is affixed to the stationary source and a second conductor is electrically coupled to the pendulum-supporting device. At least one wire is bonded, such as by ball-and-stitch bonding, from the conductor to the second conductor across a gap.
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Partial European Search Report from corresponding European Application No. EP 98 65 0030.
Boersma Bruce A.
Falb David M.
Zomberg Brian G.
Buczinski Stephen C.
Laser Alignment, Inc.
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