Patents Assigned to Opalec
  • Dual mode regulated light-emitting diode module for flashlights
    Patent number: 6791283
    Abstract: An LED illumination module for a flashlight has a housing, electronic control circuitry, and one or more LEDs connected in series and to the circuitry. The module is characterized in that the module is shaped to modularly replace an incandescent-bulb in an existing flashlight. In one aspect the control circuitry operates in a dual mode to extend life of the unit, and to warn when battery replacement is warranted.
    Type: Grant
    Filed: September 6, 2002
    Date of Patent: September 14, 2004
    Assignee: Opalec
    Inventors: Scott A. Bowman, Stephen F. Post