Patents by Inventor Jaroslav Keprda

Jaroslav Keprda 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: 4641004
    Abstract: A bell or dome-shaped key member of elastic material is fitted at its edge which bounds the open side of the key member into a groove of a key housing part which can be latched to a printed circuitboard, the fit is provided with a web-like projection 7 such that the key member 5, together with the housing part 1, forms a composite member which can be manipulated in an uncomplicated manner.
    Type: Grant
    Filed: November 9, 1984
    Date of Patent: February 3, 1987
    Assignee: Siemens Aktiengesellschaft
    Inventor: Jaroslav Keprda
  • Patent number: 4095060
    Abstract: An improved switch assembly incorporating a plurality of sliding switch subassemblies which each move between two switching positions by means of a contact slider. Each switch subassembly is provided with a pair of contact elements which are each provided with spaced extensions that are arranged to permit such contact elements to be coplanar interiorly of the housing of the switch assembly and to be extensible from the housing exteriorly thereof so as to be engagable with a carrier plate and solderable thereto. The individual switch subassemblies are adjustable without difficulty with the switch assembly engaged with such carrier plate.
    Type: Grant
    Filed: August 2, 1976
    Date of Patent: June 13, 1978
    Assignee: Siemens Aktiengesellschaft
    Inventor: Jaroslav Keprda
  • Patent number: 3974346
    Abstract: A plurality of miniature slide switches are arranged in parallel in a tub shaped common housing, the switches each have a raised actuator projecting toward the top of the housing which is contactable by a raised wedged surface portion on the underside of a closable housing lid to assure that the switches are fully thrown and will be locked in the desired operating state upon closure of the lid.
    Type: Grant
    Filed: January 13, 1975
    Date of Patent: August 10, 1976
    Assignee: Siemens Aktiengesellschaft
    Inventor: Jaroslav Keprda