Patents by Inventor Lawrence M. Leibowitz

Lawrence M. Leibowitz 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).

  • System for (N.cndot.M)-bit correlation using N M-bit correlators
    Patent number: 5535402
    Abstract: An extended length digital correlator threshold circuit for (N.multidot.Mit correlation using N M-bit correlators is disclosed.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: July 9, 1996
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Lawrence M. Leibowitz, Tuan A. Mai
  • Multiplexed digital correlator
    Patent number: 4660164
    Abstract: A high speed multiplexed digital correlator device for correlating serial data against reference data. The device includes a plurality of digital correlators configured to operate in parallel with their operations overlapping in time. The serial data is divided between the plurality of correlators by multiplexing means. The outputs of the plurality of correlators are summed to produce an overall correlation output signal. Due to the multiplexed configuration, the individual correlators operate at a much lower rate than the data rate of the serial data to be correlated. Also disclosed are synchronized mutliplexed correlators including multiple multiplexed correlators for correlating serial data differing in phase relationship with the reference data against which it is to be correlated.
    Type: Grant
    Filed: December 5, 1983
    Date of Patent: April 21, 1987
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Lawrence M. Leibowitz
  • Automatic scaled digital integrator
    Patent number: 4023019
    Abstract: A digital scaler adjusts the processing of an input signal to a digital fback integrator by a multiplying technique which is implemented by shifting the connections between an analog-to-digital converter and the input to an adder, both forming the input section of a digital feedback integrator, in order to maintain a constant dynamic range of the output signal.
    Type: Grant
    Filed: September 23, 1974
    Date of Patent: May 10, 1977
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Lawrence M. Leibowitz, Phillip L. Watkins