Patents by Inventor Carey Todd Ritchey

Carey Todd Ritchey has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5808671
    Abstract: Apparatus for and a method of monitoring the transmission of an analog video signal through a video signal transmission channel, e.g. a fiber optic cable from a headend capturing the analog video signal at a location remote from the headend and select a signal channel from the captured video signal. The selected signal channel is digitized and serialized as a digital signal and the digital signal is transmitted as an optical signal through an optical fiber cable to a monitoring location, where the digital signal is converted to an analog video signal which is displayed on a video monitor.
    Type: Grant
    Filed: November 22, 1995
    Date of Patent: September 15, 1998
    Assignee: Augat Photon Systems Inc.
    Inventors: John Charles Maycock, Carey Todd Ritchey, Vincent Maddock Smith