Communications: electrical – Vehicle parking indicators
Patent
1998-12-03
2000-03-21
Lefkowitz, Edward
Communications: electrical
Vehicle parking indicators
3409322, 340942, 356 303, 33288, B60Q 148
Patent
active
060407875
ABSTRACT:
A device uses two laser beams to assist in parking a vehicle having a windshield at a desired distance relative to a surface forward of the vehicle, such as the wall of a garage. Independent adjustment means are preferably provided for angling one or both of the first and second beams so as to converge in a localized region of the surface forward of the vehicle when the vehicle is positioned at a desired distance. The preferred embodiment further includes means for mounting the device to a visor within the vehicle, such that the first and second beams pass through the windshield. A momentary contact button on a bottom panel of the enclosure may then be used to activate the laser by squeezing the device against the visor, if so mounted. Within the enclosure there is supported a mirror, prism or other light re-directing element in the path of one of the first and second beams prior to exiting enclosure causing the two beams to converge in a localized region of the wall when the vehicle is parked at a desired distance therefrom. The mirror and beamsplitter are preferably disposed on independently adjustable mounts to assist in fixing the desired distance. As a further option, a dispersive optical element such as a lens may be disposed in the path of one of the first and second beams causing that beam to form a line on the surface forward of the vehicle. Method aspects of the invention are also disclosed.
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patent: 3910533 (1975-10-01), Cheatham et al.
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patent: 5343295 (1994-08-01), Lara et al.
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Lefkowitz Edward
Pope Daryl C.
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