Patents by Inventor Isabel Hovey

Isabel Hovey 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).

  • Adaptive assignment of elevator car calls
    Patent number: 4691808
    Abstract: At a single floor of a building, such as at the lobby, destination calls are entered via a destination call entry device touch pad such as a (12) so that overall system response can be optimized during up-peak service intervals. A maximum number of calls are assigned to each car in order of its priority, or advantageous situation with respect to loading the lobby passengers, and the dispatch interval for each car is individually adjusted. The calls may be assigned to a car prior to its arrival at the lobby, and call assignments are audibly and/or visually displayed by an indicator device (16).
    Type: Grant
    Filed: November 17, 1986
    Date of Patent: September 8, 1987
    Assignee: Otis Elevator Company
    Inventors: Frederick H. Nowak, Isabel Hovey