Optics: measuring and testing – Range or remote distance finding – With photodetection
Reexamination Certificate
2011-07-12
2011-07-12
Tarcza, Thomas H (Department: 3662)
Optics: measuring and testing
Range or remote distance finding
With photodetection
C356S004010, C356S005100, C356S005150
Reexamination Certificate
active
07978315
ABSTRACT:
A range finder is provided. A light emitting unit emits a light pulse. A light receiving unit senses an incident light pulse. A reflective mirror reflects the light pulse emitted from the light emitting unit to an outside space and reflects the light pulse incident from the outside space to the light receiving unit. An actuator is configured to move the reflective mirror in a first direction rotating about a vertical axis and a second direction rotating about a horizontal axis. A controller controls the light emitting unit and the light receiving unit and driving the actuator. The actuator includes: a rotation motor unit supporting the reflective mirror to be rotated in the second direction and rotating the reflective mirror in the first direction; a bushing hinge-coupled with the reflective mirror to rotate in the first direction together with the reflective mirror and installed movably in a vertical direction; and a vertical driving unit moving the bushing in the vertical direction.
REFERENCES:
patent: 4413906 (1983-11-01), Feldman et al.
patent: 5805275 (1998-09-01), Taylor
patent: 7325154 (1995-12-01), None
patent: 2007-244153 (2007-09-01), None
patent: 10-2003-0087019 (2003-11-01), None
patent: 1020050046967 (2005-05-01), None
LG Innotek Co. Ltd.
Ratcliffe Luke D
Saliwanchik Lloyd & Eisenschenk
Tarcza Thomas H
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