Dentistry – Apparatus – Having means to emit radiation or facilitate viewing of the...
Reexamination Certificate
2007-09-11
2007-09-11
Nguyen, Sang H. (Department: 2886)
Dentistry
Apparatus
Having means to emit radiation or facilitate viewing of the...
C433S027000, C433S149000, C356S218000
Reexamination Certificate
active
10914479
ABSTRACT:
A light meter for detecting two or more different wavelengths of light and methods for determining whether a light source configured to emit light at two or more dominant wavelengths is working properly. The inventive light meter includes a housing, two or more receiving means for receiving light energy emitted by an external light source wherein each receiving means is configured to receive light energy of a desired wavelength, detecting means for detecting and measuring light energy received by the receiving means, and display means for providing a visual indication of the existence and intensity of one or more wavelengths of light energy received by the receiving means.
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“Archer & White Handpiece Supercenter 2003”(Mar. 2004) http://www.archerwhite.com/p36.html.
Winter 2004 Specials!, “The Number One Choice - LED Curing Lights With Portability, Thermally Cool Light Output, And Long-Lasting Diodes”.
McLean Bruce S.
Scott Robert R.
Nguyen Sang H.
Ultradent Products Inc.
Workman Nydegger
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