Patents by Inventor Elzo Smit

Elzo Smit 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).

  • High fidelity phonograph pick-up arm
    Patent number: 4143248
    Abstract: A phonograph pick-up arm having a shank which is at least partly made of a composite material consisting of high strength fibres embedded in a synthetic resin, a head for a connection and protection of a pick-up, a bearing connected to the shank for pivoting the arm in a bearing block, and electrical conductors embedded in the composite material for electrically connecting the pick-up to electrical connections on the bearing block. Preferably very thin solid conductors are equally spaced about the periphery of the composite material.
    Type: Grant
    Filed: September 24, 1976
    Date of Patent: March 6, 1979
    Assignee: U.S. Philips Corporation
    Inventors: Egbert Broeksema, Elzo Smit
  • Stylus unit for pick-ups and/or cutters
    Patent number: 4068850
    Abstract: A stylus unit having a stylus holder with a stylus at one end, a magnetic element captured in the holder, and a locating wire, the stylus holder and the locating wire formed of a reinforced plastic.
    Type: Grant
    Filed: July 20, 1976
    Date of Patent: January 17, 1978
    Assignee: U.S. Philips Corporation
    Inventors: Elzo Smit, Keimpe VAN Wijk
  • Stereo pick-up with casing serving as common pole piece
    Patent number: 4031335
    Abstract: A transducer for scanning or cutting disc-shaped record carriers, in which a movable element is omnidirectionally pivotable, one polepiece being provided for each of the two directions of oscillation. A third polepiece provided in common for the two directions of oscillation is formed by the casing of the transducer.
    Type: Grant
    Filed: March 19, 1975
    Date of Patent: June 21, 1977
    Assignee: U.S. Philips Corporation
    Inventor: Elzo Smit