Patents by Inventor David C. Richie

David C. Richie 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: 4809089
    Abstract: A truly portable video cassette player comprising only a video cassette detector including video cassette reel structure for receiving a video cassette having a video tape thereon and reeling and unreeling the video tape, audio detection structure including an audio pick up head located adjacent the video cassette reel structure for picking up audio signals from the video tape and providing an output for detected audio signals, and video detection structure including a video pick up head also positioned adjacent the video cassette reel structure for picking up video signals from the video tape and a video detector for receiving a detected video output signal from the video pick up head and providing a video output signal, structure for broadcasting the audio signal including an audio speaker and amplifying structure between the audio detector and audio speaker, video display structure including a video display device which may be either a cathode ray tube or a liquid crystal display, and a video control circu
    Type: Grant
    Filed: October 16, 1987
    Date of Patent: February 28, 1989
    Inventor: David C. Richie