Television – Camera – system and detail – Camera connected to computer
Reexamination Certificate
2006-07-04
2006-07-04
Vu, Ngoc-Yen (Department: 2612)
Television
Camera, system and detail
Camera connected to computer
C348S333050, C250S311000
Reexamination Certificate
active
07071969
ABSTRACT:
A method of adjusting focus and/or other image parameters in a remotely-operated image capturing system, such as a scanning electron microscope (SEM), is provided. The method minimizes transmission bandwidth and allows a remote user to perform adjustment quickly without requiring real-time feedback. In accordance with the method, rather than adjusting a knob or slider while viewing a real-time image as is done in prior art systems, the user selects among several still images representing a wide range of values of the adjustment in question. The user then selects from another set of images which represent a small subrange of values determined by the first choice. The process is repeated until the adjustment resolution of the instrument is reached or the user is satisfied. Adjustments, like objective lens alignment, which require “focus wobble” can also be made using this method. Since focus wobble is a periodic motion, it can be represented using a short loop of animation. This animation, when used in accordance with the present invention, can either be captured directly as a short burst of video or captured as a sequence of still images.
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Henn Timothy J.
National Semiconductor Corporation
Stallman & Pollock LLP
Vu Ngoc-Yen
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