Patents by Inventor John V. Wingfield

John V. Wingfield 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: 4640578
    Abstract: A hand-held optical inspection device for checking, for example, the accuracy of the end surfaces of a fibre optic cable to be joined together. A body portion of the device is arranged to accept any of a range of adapter components capable of engaging in a variety of cable connector terminals. The cable and the adapter component are then snap-fitted into a centering ring of the inspection device with the end surface of the cable in the focussing plane of the lenses of the device. The surface may be inspected and may be moved laterally in the focussing plane by an eccentric cam arrangement operating on the centering ring.
    Type: Grant
    Filed: March 20, 1985
    Date of Patent: February 3, 1987
    Assignee: Prior Scientific Instruments Limited
    Inventors: Charles F. R. Turner, John V. Wingfield