Patents by Inventor Karl-Heinz Schwaiger

Karl-Heinz Schwaiger 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: 5444720
    Abstract: Items of auxiliary information are transmitted in an AM radio broadcast signal by phase angle modulating the AM carrier with digitally encoded data representing the auxiliary information. The items of auxiliary information are allocated to a cyclically recurring number of groups, each group consists of two equal length information blocks. Each information block includes an information word and a check word. Different offset words are superimposed on the respective ones of the check words. The offset words are useful for the synchronization of the information blocks in a receiver.
    Type: Grant
    Filed: June 11, 1993
    Date of Patent: August 22, 1995
    Assignee: Telefunken, Fernseh und Rundfunk GmbH
    Inventor: Karl-Heinz Schwaiger
  • Patent number: 4890856
    Abstract: A golf cart has an undercarriage for receiving a bag, a foldable center pole hinged to the undercarriage, and two legs which can be swung in toward the bag and are hinged to the undercarriage, the legs moving apart downwardly in swung-out position and carrying running wheels which are parallel both in swung-out and swung-in position. The wheels, in the swung-in position, laterally flank the bag and have their bottoms flush with the base of the bag, the wheels projecting beyond the front side of the bag, the center pole being located at the front of the bag.
    Type: Grant
    Filed: February 17, 1988
    Date of Patent: January 2, 1990
    Assignee: SMM Sportive Management und Marketing GmbH
    Inventors: Michael Mursch, Karl-Heinz Schwaiger