Combination range laser scanner utilizing periodic range switching
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United States of America Patent
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Nov 9, 1999
Grant Date -
N/A
app pub date -
Nov 4, 1997
filing date -
Nov 5, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A combination range optical scanner includes a short distance laser and a long distance laser. A scan mirror is oscillated by a motor and scans a beam from one of the two lasers across a field of view. A controller turns the two lasers on and off such that both a short distance scan and a long distance scan are automatically performed. The rate at which the controller turns the lasers on and off may be synchronized with the oscillation rate of the scan mirror. A collection mirror may include two facets, integrally formed therewith, where the two lasers are respectively directed toward the two facets.
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