Patents by Inventor Charles B. Shakespeare

Charles B. Shakespeare 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).

  • Apparatus and method for ablating cardiac tissue
    Patent number: 6641579
    Abstract: Method and apparatus for destroying aberrant electrical pathways in the myocardium of the heart by creating lesions in the myocardium by ablation of the myocardium with a focused ultrasound beam.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: November 4, 2003
    Assignee: Spectrasonics Imaging, Inc.
    Inventors: Richard Bruce Bernardi, Charles B. Shakespeare
  • Ambulatory cardiac monitoring system
    Patent number: 4333475
    Abstract: An ambulatory cardiac monitoring system (10) to event record and monitor ECG signals (20) from a patient (12) for a predetermined time interval. The ambulatory cardiac monitoring system (10) includes a recorder system (18) which is carried by the patient (12). The recorder system (10) is coupled to the patient through leads (16) and electrodes (14) positionally located contiguous to the patient (12). The recorder system (18) includes an analog pre-processor (32), a first microcomputer (34) coupled in a feedback manner to analog pre-processor (32), and a cassette recorder (38). The analog pre-processor (32) has incorporated both automatic gain control and conditioning circuitry that normalizes and filters the basic ECG signal (20). The analog pre-processor (32) produces a plurality of extraction signals which are input to microcomputer (34).
    Type: Grant
    Filed: December 6, 1979
    Date of Patent: June 8, 1982
    Assignee: Medical Concepts, Inc.
    Inventors: John R. Moreno, Richard J. Byrne, Charles B. Shakespeare