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US 8,026,828 B2Granted
Method and apparatus for providing a notification appliance with a light emitting diode
AssigneeWheelock, Inc.
InventorsJohn W. Curran, Shawn P. Keeney
Life of this patent
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Abstract
A method and apparatus for providing a strobe alarm unit employing at least one light emitting diode.
Claims20
A strobe notification appliance, comprising:
- at least one broad distribution light emitting diode (LED);
- an energy storage device for storing energy;
- a control circuit for causing said stored energy to be applied to said at least one broad distribution LED, wherein said at least one broad distribution LED comprises at least one single color LED;
- and
- a lens to narrow a viewing angle of the at least one broad distribution LED and to increase a light intensity on axis at 0 degrees.
2 more elements
A strobe notification appliance, comprising:
- at least one broad distribution light emitting diode (LED);
- an energy storage device for storing energy;
- a control circuit for causing said stored energy to be applied to said at least one broad distribution LED, wherein said at least one broad distribution LED comprises at least one single color LED;
- and
- a reflector to narrow a light distribution pattern of the at least one broad distribution LED and to increase a light intensity on axis at 0 degrees.
2 more elements
Dependencies are inferred from the claim text.