Patents by Inventor Ronald Langenberg

Ronald Langenberg 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).

  • Antenna adapter assembly for portable cellular telephone
    Patent number: 5835064
    Abstract: An adapter assembly is provided for adapting a portable cellular telephone to receive an external replacement antenna or an external direct feed connection by replacing the internal antenna connection of the cellular telephone. The adapter assembly includes a body portion with an antenna-receiving bore, a telephone chassis contact portion at the other end a circuit board interposed between the body and contact portion which spaces them apart and interconnects them together. The circuit board has circuitry thereon which transposes the connections effected thereby between coaxial conductors of the assembly body and contact portions.
    Type: Grant
    Filed: February 21, 1996
    Date of Patent: November 10, 1998
    Assignee: Andrew Corporation
    Inventors: Francisco X. Gomez, Ronald Langenberg, Xin Du