Patents by Inventor Laurence E. Marvet

Laurence E. Marvet 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).

  • Switch assembly for a portable radio
    Patent number: 5746307
    Abstract: The PTT assembly (100) self locates and then locks a back support plate (106) and switches (146, 148) directly to an inner surface (134) of a housing wall (132). On the outer surface (136) of the housing wall (132), keypad plungers (116) self locate through holes (140) in the housing wall. The perimeter of the keypad itself is retained by a bezel (110) that snaps into the housing (132). A hook (130) extends from the bezel (110) to lock and fix the travel distance of the plungers (116) to the switches (146, 148). With the back support plate (106) firmly in place, the keypad actuation force remains consistent since the travel distance of the plungers (116) to the switches (146, 148) is fixed by the hook (130) length. Additionally, the back support plate (106) supports the switches without bowing under the applied plunger force further ensuring a consistent actuation force.
    Type: Grant
    Filed: April 7, 1997
    Date of Patent: May 5, 1998
    Assignee: Motorola, Inc.
    Inventors: Steve M. Joss, Tyler D. Jensen, Laurence E. Marvet, Julio C. Castaneda, David Auld, Steven J. Finch