Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation
Reexamination Certificate
2005-08-02
2005-08-02
Le, Hoanganh (Department: 2821)
Electric lamp and discharge devices: systems
Current and/or voltage regulation
Automatic regulation
C359S368000
Reexamination Certificate
active
06924607
ABSTRACT:
An apparatus for automatically turning off a source of illumination in a microscope, comprising a switch operatively arranged to control the illumination source, and means for sensing inactivity of the switch and for turning off the illumination source after a predetermined time period of inactivity. The invention also includes a method for automatically turning off a source of illumination in a microscope, comprising the steps of monitoring activity of a switch operatively arranged to control the illumination source, and, turning off the illumination source after a predetermined time period of inactivity.
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Cash David J.
Vaccarelli Vincent
A Minh Dieu
Le Hoang-anh
Leica Microsystems Inc.
Simpson & Simpson PLLC
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