Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 5006721 | Lidar scanning system A LIDAR scanning system having a rotating multifaceted polygon mirror for transmitting modulated light from one of its facets to a surface. Diffuse light reflected off said surface is received by another facet of the polygon mirror and reflected to a phot... | 04/09/1991 |
| 4899218 | Vehicle wheel alignment apparatus and method Noncontact sensors project fanned or structured light onto the tire, while the wheel is rotated, to illuminate at least two contour lines on the surface of the tire. the contour lines are read by video cameras, positioned offset from the optical plane of ... | 02/06/1990 |
| 4862598 | Quick connect/disconnect repeatable sensor mounting apparatus A quick release mounting arrangement for a portable gauging sensor utilizes three locating surfaces to establish a positive, repeatable mounting for the releasable sensor at any desired number of locations on a gauging fixture. A landing pad at each mount... | 09/05/1989 |
| 4841460 | Method and apparatus for calibrating a non-contact gauging sensor with respect to an external coordinate system One or more non-contacting gauging sensors are calibrated to a common external coordinate system by providing each sensor to be calibrated with a target which can be simultaneously viewed by the sensor and an external measuring system for determining coor... | 06/20/1989 |
| 4745469 | Vehicle wheel alignment apparatus and method Noncontact sensors project fanned or structured light onto the tire, while the wheel is rotated, to illuminate at least two contour lines on the surface of the tire. The contour lines are read by video cameras, positioned offset from the optical plane of ... | 05/17/1988 |
| 4647208 | Method for spatial measurement of holes The three-dimensional position of a hole through a workpiece is determined using back lighting or front lighting (feature lighting) to determine the centroid of the hole's image in two-dimensional computer memory image space. The centroid determines a lin... | 03/03/1987 |
| 4645348 | Sensor-illumination system for use in three-dimensional measurement of objects and assemblies of objects A three-dimensional triangulation-type sensor-illumination system adapted for connection to a machine vision computer. The illumination source in the preferred system comprises a unique cross hair light pattern which provides sufficient image data to the ... | 02/24/1987 |
| 4541721 | Optical checking apparatus and method of using same Apparatus for optically checking both the gap between two adjacent parts such as the hood-to-fender fit of a vehicle and the surface flushness of the parts employs a hand-held fixture which is adapted to engage edges of the part in order to orient the fix... | 09/17/1985 |
