Teleconference facility with high resolution video display
Patent 4890314 Issued on December 26, 1989. Estimated Expiration Date: 
August 26, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 26, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3291905 Image dividing system for use in television Method and apparatus for arraying image sensor modules Large screen video display comprising a matrix array of cathode-ray tubes operated at increased vertical and horizontal scan rates Video projection system Pyramid processor for building large-area, high-resolution image by parts Patent #: 4797942 InventorsAssigneeApplicationNo. 237501 filed on 08/26/1988US Classes:348/14.01, TWO-WAY VIDEO AND VOICE COMMUNICATION (E.G., VIDEOPHONE)348/14.07, Display arrangement (e.g., multiscreen display)348/14.08Conferencing (e.g., loop)ExaminersPrimary: George, Keith E.Attorney, Agent or FirmForeign Patent References
International ClassH04N 007/14AbstractA station for use in a teleconferencing system is disclosed. The station includes an arrangement comprising a plurality of image sensing devices, each of which provides a sub-image. The sub-images are joined to form a single high resolution video display. Illustratively, the arrangement comprises a plurality of image sensing devices and one or more mirrors to insure that the fields of view of the image sensing devices are contiguous at all relevant distances. Alternatively, an array of image sensing devices may be utilized wherein the horizontal and vertical scans of the devices are cropped.Other References
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