Patents Assigned to Ernest Comerford
  • Dive parameter indicating assembly
    Patent number: 4999606
    Abstract: A dive parameter transmitter/receiver assembly for scuba diving includes a transmitter circuit with a control unit with one or more sensors for detecting dive parameters and/or information to be displayed. A modulator is included for modulating the parameter(s) or information and a transmitting transducer for propagating the parameter(s) or information. A receiver circuit is included and has a receiver transducer a demodulator, a decoder and a display for displaying the parameter(s) or information.
    Type: Grant
    Filed: June 25, 1990
    Date of Patent: March 12, 1991
    Assignee: Ernest Comerford
    Inventors: Ernest Comerford, Michael Adamek
  • Dive parameter indicating assembly
    Patent number: 4949072
    Abstract: A dive parameter transmitter/receiver assembly for scuba diving includes a transmitter circuit with a control unit with one or more sensors for detecting dive parameters and/or information to be displayed. A modulator is included for modulating the parameter(s) or information and a transmitting transducer for propagating the parameter(s) or information. A receiver circuit is included and has a receiver transducer, a demodulator, a decoder, and a display for displaying the parameter(s) or information.
    Type: Grant
    Filed: December 22, 1988
    Date of Patent: August 14, 1990
    Assignee: Ernest Comerford
    Inventors: Ernest Comerford, Michael Adamek