Patents by Inventor Lev Nikolaevich Evstratov

Lev Nikolaevich Evstratov 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: 5868031
    Abstract: A triaxial gyroscopic stabilizer for a movie or television camera has a camera in a cardan suspension unit, two three-stage gyroscopes, controlled linkages for adjusting course, banking and pitch, booster-converters, a set of accelerometers, a pitch angle sensor, an integrator, a system shut-off unit, a memory unit, low frequency filters, two computing units, a summator and course and pitch control levers. The cardan suspension unit has an external frame, a middle frame and a platform; the outer frame has the form of a half-fork bracket with an axis of rotation aligned along the course axis; the middle frame has the form of a fork bracket with an axis of rotation aligned along the course axis; the middle frame has the form of a fork bracket with an axis of rotation aligned along the axis of pitch. The first of the two three-stage gyroscopes is mounted on the platform, while the second is mounted on the middle frame.
    Type: Grant
    Filed: August 6, 1997
    Date of Patent: February 9, 1999
    Assignee: Anatoliy Kokush
    Inventors: Anatoly Akimovich Kokush, Vladimir Vasilievich Fateev, Lev Nikolaevich Evstratov, Vladimir Vladimirovich Kozlov