Boundary and proximity sensor apparatus for a laser
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United States of America Patent
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-
Mar 26, 1996
Grant Date -
N/A
app pub date -
Jan 15, 1992
filing date -
Jan 15, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A laser operation and control system preferably comprising a laser adapted to be grasped by a user and freely passed over a treatment area, control circuitry for activating and deactivating the laser, at least one boundary sensor operable to transmit a signal to the control circuitry to deactivate the laser upon passage thereof beyond a boundary of the treatment area and to transmit a signal to the control circuitry to activate the laser upon passage thereof within the boundary, and at least one proximity sensor for transmitting a signal to the control circuitry to deactivate the laser should the proximity sensor fail to sense a substantially solid surface within a predetermined distance therefrom and for transmitting a signal to the control circuitry to activate the laser should the proximity sensor sense such a surface.
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