Patents by Inventor Christopher W. Iles

Christopher W. Iles 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).

  • Indicating devices
    Patent number: 4240146
    Abstract: A charge indicating arrangement in the form of a taximeter is provided which is arranged to store a current tariff structure and a proposed tariff structure and which is provided with means for switching from one to the other at a required time e.g. a specified time and date on which the proposed tariff structure is required to take effect.
    Type: Grant
    Filed: May 26, 1978
    Date of Patent: December 16, 1980
    Assignee: Plessey Handel und Investments AG
    Inventor: Christopher W. Iles
  • Taximeter indicating devices
    Patent number: 4167040
    Abstract: A charge indicating device especially in the form of a taximeter is provided which makes use of micoprocessor techniques for carrying out the required computations and which is provided with storage means for storing the details on which the computation is based. In a preferred form a taximeter is constructed using L.S.I. semiconductor techniques.
    Type: Grant
    Filed: December 15, 1976
    Date of Patent: September 4, 1979
    Assignee: Plessey Handel und Investments AG
    Inventors: Francis R. Heritier, Christopher W. Iles