Patents Represented by Attorney Timothy M. Carlson, Esq.

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  • Image projection system
    Patent number: 5795049
    Abstract: An image projector is provided with a light valve having an upstream side and an downstream side. A light source is disposed on the upstream side of the light valve, and a front lens system with an entrance pupil is disposed on the downstream side of the light valve. A back optical system is disposed between the light source and the light valve. The back optical system has a nonimaging device with an exit aperture that is either imaged into the entrance pupil of the front lens system (Kohler) or imaged onto the light valve (Abbe).
    Type: Grant
    Filed: August 27, 1996
    Date of Patent: August 18, 1998
    Assignee: In Focus Systems, Inc.
    Inventor: Philip L. Gleckman