1
Brad R Reddersen, Thomas L Durant: Aiming beam system for optical data reading device. Spectra Physics Scanning Systems, Lyon & Lyon, March 22, 1994: US05296689 (219 worldwide citation)

An optical scanning system including an aiming system which is particularly suitable for handheld scanners where the outgoing light is scanned over a desired angle in a scan plane. The aiming system includes a light source generating an optical beam along an outgoing optical path toward an object to ...


2
Anthony C Barkans, Brian D Schroeder, Thomas L Durant, Dorothy Gordon, Jorge Lach: Guardband clipping method and apparatus for 3-D graphics display system. Schlumberger Systems, David H Carroll, Robert C Colwell, Paul C Haughey, December 19, 1989: US04888712 (57 worldwide citation)

A system for clipping polygons representing three-dimensional objects to produce a representation of the portion of the objects in a desired viewing space is disclosed. A guardband space at least partially enclosing the viewing space is defined. The polygons are compared to the guardband space to de ...


3
Brad R Reddersen, Phillip C Gummeson, Hiroshi Hayakawa, Blaine F Loris, Randy D Elliott, Kimberly A Ketelsleger, Haruhiko Machida, Yoshiyuki Sugawara, Roger M Kenyon, Thomas L Durant: Scanner assembly. Spectra Physics Scanning Systems, Lyon & Lyon, December 12, 1995: US05475206 (48 worldwide citation)

A laser bar code system is described which includes a first scan module releasably affixed to a housing, which scan module is readily interchangeable with and plug compatible with a second scan module which is configured at least partly differently from the first scan module. In addition, a partitio ...


4
Michel Pharand, Thomas L Durant, Ari Eiriksson, Richard Gueler: Apparatus for positioning an elevator tube. Axcelis Technologies, Watts Hoffmann Co A, April 11, 2006: US07026581 (4 worldwide citation)

A wafer support position control mechanism selectively positions a semiconductor wafer along an axis of excursion within a process chamber. An elevator tube protrudes through an orifice in the chamber surface and is connected at a first distal end to the wafer support. A compliant, dynamic seal with ...


5
Michel Pharand, Thomas L Durant, Ari Eiriksson, Richard Gueler: Method of positioning an elevator tube. Axcelis Technologies, Watts Hoffmann Co Lpa, February 24, 2005: US20050042807-A1

A wafer support position control mechanism selectively positions a semiconductor wafer along an axis of excursion within a process chamber. An elevator tube protrudes through an orifice in the chamber surface and is connected at a first distal end to the wafer support. A compliant, dynamic seal with ...



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