US Patent No: 8,184,920
Number of patents in Portfolio can not be more than 2000
Microscope system
Stats
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May 22, 2012
Issued date -
Aug 22, 2011
filing date -
13/214,673
serial no -
In Force
status
Importance
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Abstract
A microscope system is constructed by a light guiding optical system 20 having an objective lens 21 and beam splitters 27a and 27b for splitting an optical image of a sample S, a photodetector 31 for acquiring an image of the sample S, and two CCD cameras 33 and 34 for focus control disposed on optical paths split by the beam splitters 27a and 27b. The cameras 33 and 34 are disposed being inclined with respect to the optical path so that the optical paths thereof in the light guiding optical system 20 vary along a z-axis direction in opposite directions to each other. Images acquired by these cameras 33 and 34 are analyzed in a focus controller 37, and the image pickup focal point to the sample S is controlled on the basis of the analysis result, whereby the focus control when an image of the sample is acquired can be suitably performed.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 5,235,375 Focusing position detecting and automatic focusing apparatus with optimal focusing position calculation method | 15 | 1992 | |
| 5,886,813 Autofocus control apparatus and method applied to microscope | 14 | 1997 | |
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| 7,663,078 Focusing method for the high-speed digitalisation of microscope slides and slide displacing device, focusing optics, and optical rangefinder | 4 | 2005 | |
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| 7,232,980 Microscope system | 7 | 2004 | |
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| 6,822,801 Device for determining focused state of taking lens | 10 | 2003 | |
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| 6,552,748 Camera which automatically and properly focuses in situations with relatively low luminance foreground objects and high luminance background objects | 9 | 1998 | |
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| 6,362,852 Focus control apparatus and method for use with a video camera or the like | 11 | 1997 | |
Patent Citation Ranking
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| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Nov 22, 2015 |
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