Patents by Inventor Cornelis M. van Beijersbergen

Cornelis M. van Beijersbergen 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).

  • System for selectively interfacing information carriers by physically accepting cassettes
    Patent number: 5325243
    Abstract: A system for recording and/or reading signals on/from information carriers (4) accommodated in cassettes (2) composed of cassettes (2-3A) of a first type and cassettes (2-3B) of a second type, which two types of cassettes have substantially identical dimensions and shapes apart from local identifying distinctive features (22-3A, 26-3A; 22-3B, 26-3B) of a first type and of a second type respectively. Drive apparatus constructed to cooperate with a cassette of the system when inserted in a correct orientation. Drive apparatus of the first type, is constructed for cooperation with cassettes (2-3A) of the first type but not for cooperation with cassettes (2-3B) of the second type, and drive apparatus of a second type, is constructed for cooperation with cassettes (2 3B) of the second type but not for cooperation with cassettes (2 3A) of the first type.
    Type: Grant
    Filed: April 15, 1991
    Date of Patent: June 28, 1994
    Assignee: U.S. Philips Corporation
    Inventors: Wilhelmus J. F. Rath, Cornelis Ouwerkerk, Cornelis M. van Beijersbergen, Pieter G. Markus, Paul J. F. Van Weele