Patents by Inventor Andrew Miklos Bardos

Andrew Miklos Bardos 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: 4111519
    Abstract: A byte of binary data to be stored is recorded as a synthetic Fourier transform hologram of the byte of data. A time varying control signal representing the synthetic hologram is used to intensity modulate a coherent light beam as the beam scans transversely across a photosensitive recording film. The amplitudes of different spatial frequencies in the data band are differently altered to compensate for signal to noise roll-off over the data band. The thus compensated signals are also modified to compensate for nonlinear gain characteristics. The thus modified signals are processed to provide the modulating control signal. During the readout process an inverse Fourier transformation is performed optically on the light diffracted by the synthetic hologram in order to produce the original byte of data in the form of an optical intensity pattern. This pattern is transversely distributed on an array of photosensitive detectors which converts the optical intensity pattern to an electrical data signal.
    Type: Grant
    Filed: March 10, 1976
    Date of Patent: September 5, 1978
    Assignee: Harris Corporation
    Inventors: Alva Knox Gillis, Thomas Harvey Otten, Andrew Miklos Bardos
  • Patent number: 3997722
    Abstract: A facsimile reproduction system is disclosed. The system utilizes a laser beam at the transmission station to scan across an image to be reproduced through an acousto-optic modulator (AOM) cell. The laser beam is reflected off the image onto photo detector cells to generate electrical signals analogous to tonal variation in the image. A laser beam at the receiver station is also provided to sensitize a sheet of sensitized paper to produce a facsimile of the image. The intensity of the receiving station laser beam is modulated in accordance with the photo detector electrical signals by applying the signals to an rf carrier which then is applied to an AOM cell positioned between the laser and sensitized paper.
    Type: Grant
    Filed: September 10, 1975
    Date of Patent: December 14, 1976
    Assignee: The Associated Press
    Inventor: Andrew Miklos Bardos