A laser scanner 50 includes a laser 76 affixed to a pendulum 66 with a damper 80 for damping the movement of the pendulum 66. The laser scanner 50 is controllable through a remote control 62 for positioning the laser beam as desired. Both horizontal and vertical laser beams can be projected in order to orient the laser scanner 50 with respect to gravity and simultaneously elevation.
申请公布号
US5680208(A)
申请公布日期
1997.10.21
申请号
US19960609552
申请日期
1996.03.01
申请人
DWBH VENTURES LTD.
发明人
BUTLER, ANDREW G.;DUVAL, EUGENE F.;RICHARDS, GREGORY L.;BARHAM, MITCHELL C.;ADAMS, DANIEL T.;SCOTT, WILLIAM A.;SHAFER, DAVID C.