Patents by Inventor Joris Schroeder

Joris Schroeder 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 resolution and wide range shaft position transducer systems
    Patent number: 4384275
    Abstract: Apparatus for producing digital signals signifying the angular position in each revolution and the number of revolutions of a shaft which rotates a plurality of times. The apparatus includes two rotary position transducers which are coupled to each other and to the shaft. Both of these transducers rotate a plurality of times in response to the rotations of the shaft, one of the transducers rotating at a different speed than the other. Each transducer produces signals which are individual to the respective transducer and are the same for each rotation of the respective transducer.
    Type: Grant
    Filed: January 27, 1981
    Date of Patent: May 17, 1983
    Assignee: Otis Elevator Company
    Inventors: Marvin Masel, Ralph J. Meehan, Joris Schroeder