Patents Assigned to Cardiac Recorders Limited
  • Cardiac defibrillator
    Patent number: 4510935
    Abstract: An electrical energy source, particularly suitable for portable emergency equipment such as cardiac defibrillators, uses a small explosive charge of which the energy is converted into a short intense electrical pulse by an electromechanical convertor for example a piezoelectric transducer.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: April 16, 1985
    Assignee: Cardiac Recorders Limited
    Inventor: Joseph Spencer