Patents by Inventor Ernst Frey

Ernst Frey 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: 4320423
    Abstract: The movement of the tape is monitored. When the operator recognises during playback of the tape the start position of a tape sequence to be repeated he actuates a start switch upon actuation of which a value corresponding to the monitored tape movement is loaded into a storage or the monitored tape position is assigned to a fixed value. The value is then in any case a read-only value statically stored or assigned. When the operator recognises the end position of the tape sequence he actuates an end switch upon actuation of which a value corresponding to the monitored tape position is loaded into a storage. This value too is then a read-only value statically stored. The two values stored are now compared with the monitored tape movement. Control signals are generated when the stored values match the tape position.
    Type: Grant
    Filed: October 23, 1978
    Date of Patent: March 16, 1982
    Assignee: Nahma AG
    Inventors: Ernst Frey, Alois Aregger