Patents by Inventor Kennzi Yoneda

Kennzi Yoneda 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: 4039049
    Abstract: An elevator car call selection apparatus is disclosed in which in order for at least a car covering a plurality of floors to serve at least a hall call or cage call, an advance position where said car in travel is capable of stopping by deceleration and the presence or absence of the call at an advance floor corresponding to the advance position are detected, so that the floor to be next served by the car is decided in response to a call generated at the advance floor. In order to calculate the advance floor with an electronic circuit and detect a call to be next served according to the result of the calculation, the apparatus comprises means preset to produce step signals at time points when the advance floor is advanced progressively after the starting of the car.
    Type: Grant
    Filed: December 9, 1974
    Date of Patent: August 2, 1977
    Assignee: Hitachi, Ltd.
    Inventors: Kennzi Yoneda, Takeo Yuminaka, Masao Takizawa