Patents by Inventor Armand Waksberg

Armand Waksberg 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).

  • Automatic optical bias control for light modulators
    Patent number: 4071751
    Abstract: In an electro-optic laser beam modulation system wherein the polarization modulation of the laser beam is converted into intensity modulation by an analyzer positioned in the path of the beam, a pair of photo-electric detectors detects a portion of the input and output beams. A divisor registers the ratio between the intensities detected. A compensator rotates the polarization of the output beam to establish a desired ratio, and a comparison system is connected to the divisor and the compensator to maintain the desired ratio.
    Type: Grant
    Filed: June 23, 1976
    Date of Patent: January 31, 1978
    Assignee: RCA Limited
    Inventor: Armand Waksberg
  • Retro-reflection communication system
    Patent number: 4064434
    Abstract: A communication system uses a laser beam directed along a path and a retrodirective reflector to return the beam along the same path. The front face of the retrodirective reflector is covered by a layer of an electro-optic material which, in response to an electric field produced by a vidicon, modifies the reflectivity of the reflector. The laser beam, when passing through the electro-optic material, is modulated by the output of the vidicon, and the modulated beam is returned along the given path to a suitable receiving means.
    Type: Grant
    Filed: September 7, 1976
    Date of Patent: December 20, 1977
    Assignee: RCA Limited
    Inventor: Armand Waksberg