Patents by Inventor Chi C. Li

Chi C. Li 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).

  • Magnetic tape cassette with motion limiting fingers
    Patent number: 5330128
    Abstract: A magnetic tape cassette that includes a substantially rectangular housing and a pair of tape reels carried for rotation within the housing with a length of magnetic tape extending between the reels for recording and/or playback of information. An aperture in a sidewall of the housing affords external access to the tape by recording/playback apparatus, and posts within the housing guide the magnetic tape between the reels adjacent to the sidewall aperture. The guideposts are mounted with the housing so as to be disposed entirely internally of the tape between the reels such that the information surface of the tape is free of contact with the guideposts or any other portion of the cassette as the tape is wound between the reels past the sidewall aperture.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: July 19, 1994
    Assignee: Producers Color Service, Inc.
    Inventors: Chi C. Li, Thomas J. Mott, Jr., P. Eric Petersen, V