US Patent 7433026 Microscope with LED illumination source

Patent 7433026 was granted and assigned to Cytyc on October, 2008 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Cytyc

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

74330260

Patent Inventor Names

Scott Wolpert0

David Zahniser0

Date of Patent

October 7, 2008

Patent Application Number

113133650

Date Filed

December 20, 2005

Patent Primary Examiner

‌

Roy M Punnoose

Patent abstract

Techniques are provided for illuminating cytological specimens using light emitting diodes (LEDs). In one implementation, a pulse width modulated (PWM) LED source allows for color and intensity adjustment. A user may select the desired color and intensity of light, or the desired color and intensity may be electronically calculated. Using various colors of LEDs, such as red, blue, and green LEDs, various colors can be produced by modulating each LED duty cycle, for example, using a PWM controller.

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