Patents by Inventor Richard Sidney Reid

Richard Sidney Reid 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).

  • Isolation and signal filter transformer
    Patent number: 6049258
    Abstract: One embodiment of the invention includes a transformer that is at least partially formed on a substrate. The transformer is for electrical isolation and signal filtering. The transformer includes the following elements. A portion of the substrate has two holes through the substrate. A ferrite core is formed in a loop through the two holes. A primary winding is made of a first metal trace. The first metal trace is formed in a spiral around one hole. The first metal trace has at least two primary terminals acting as an input to the transformer. The transformer also includes a secondary winding. The secondary winding is made of a second metal trace. The second metal trace is formed in a spiral around the other hole. The second metal trace has at least two secondary terminals acting as an output from the transformer.
    Type: Grant
    Filed: May 11, 1998
    Date of Patent: April 11, 2000
    Assignee: 3Com Corporation
    Inventors: Marwan A. Fawal, Anthony Liem Pan, Eric Roger Davis, Richard Sidney Reid
  • Isolation and signal filter transformer
    Patent number: 5801602
    Abstract: One embodiment of the invention includes a transformer that is at least partially formed on a substrate. The transformer is for electrical isolation and signal filtering. The transformer includes the following elements. A portion of the substrate has two holes through the substrate. A ferrite core is formed in a loop through the two holes. A primary winding is made of a first metal trace. The first metal trace is formed in a spiral around one hole. The first metal trace has at least two primary terminals acting as an input to the transformer. The transformer also includes a secondary winding. The secondary winding is made of a second metal trace. The second metal trace is formed in a spiral around the other hole. The second metal trace has at least two secondary terminals acting as an output from the transformer.
    Type: Grant
    Filed: April 30, 1996
    Date of Patent: September 1, 1998
    Assignee: 3Com Corporation
    Inventors: Marwan Ahmad Fawal, Anthony Liem Pan, Eric Roger Davis, Richard Sidney Reid