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Class Information
Number: 250/201.4
Name: Radiant energy > Photocells; circuits and apparatus > Photocell controls its own optical systems > Automatic focus control > Active autofocus
Description: Subject matter having means to illuminate the object with light other than, or supplementary to, ambient light.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7433807 |
Facial image processing |
Oct. 7, 2008 |
| 7403705 |
Camera device having automatic focusing function |
Jul. 22, 2008 |
| 7394048 |
Focusing device, focusing method and a pattern inspecting apparatus |
Jul. 1, 2008 |
| 7355154 |
Image sensing apparatus with movable light flux splitter and control method thereof |
Apr. 8, 2008 |
| 7351944 |
Beam irradiation device |
Apr. 1, 2008 |
| 7321108 |
Dynamic focusing method and apparatus |
Jan. 22, 2008 |
| 7304282 |
Focus detection device and fluorescent observation device using the same |
Dec. 4, 2007 |
| 7297910 |
System and method for utilizing an autofocus feature in an automated microscope |
Nov. 20, 2007 |
| 7215467 |
System and method for controlling microscope |
May. 8, 2007 |
| 7205519 |
Confocal microscope display device for displaying a plurality of slice images |
Apr. 17, 2007 |
| 7157677 |
Method of picking up sectional image of laser light |
Jan. 2, 2007 |
| 7142315 |
Slit confocal autofocus system |
Nov. 28, 2006 |
| 7109459 |
Auto-focusing method and device for use with optical microscopy |
Sep. 19, 2006 |
| 7084383 |
Image processing apparatus |
Aug. 1, 2006 |
| 7075077 |
Method of observing a specimen using a scanning electron microscope |
Jul. 11, 2006 |
| 7075046 |
Objective lens reference system and method |
Jul. 11, 2006 |
| 7071451 |
Autofocus system and microscope |
Jul. 4, 2006 |
| 7041952 |
Method for automatic focusing an imaging optical system on the surface of a sample |
May. 9, 2006 |
| 7042597 |
Electric part, optical part, and processing apparatus |
May. 9, 2006 |
| 7015445 |
Method for optimizing inspection speed in low, and fluorescent light applications without sacrificing signal to noise ratio, resolution, or focus quality |
Mar. 21, 2006 |
| 6974938 |
Microscope having a stable autofocusing apparatus |
Dec. 13, 2005 |
| 6914232 |
Device to control laser spot size |
Jul. 5, 2005 |
| 6875972 |
Autofocus module for microscope-based systems |
Apr. 5, 2005 |
| 6864474 |
Focusing apparatus for adjusting focus of an optical instrument |
Mar. 8, 2005 |
| 6835921 |
Focusing system for use in imaging systems |
Dec. 28, 2004 |
| 6823079 |
Device for examining samples |
Nov. 23, 2004 |
| 6812446 |
Autofocus module for microscope-based systems |
Nov. 2, 2004 |
| 6801650 |
Mechanism and method for controlling focal point position of UV light and apparatus and method for inspection |
Oct. 5, 2004 |
| 6794626 |
Method and system for verifying correct mounting of a printing plate on an external drum imaging machine |
Sep. 21, 2004 |
| 6785028 |
Optical scanning device having a temperature compensation unit |
Aug. 31, 2004 |
| 6781632 |
Image pick-up apparatus capable of focus detection |
Aug. 24, 2004 |
| 6781103 |
Method of automatically focusing an optical beam on transparent or reflective thin film wafers or disks |
Aug. 24, 2004 |
| 6717124 |
Autofocus z stage |
Apr. 6, 2004 |
| 6704152 |
Light irradiating device, optical pickup device with the same, method of adjusting light irradiating device |
Mar. 9, 2004 |
| 6696679 |
Method for focusing of disk-shaped objects with patterned surfaces during imaging |
Feb. 24, 2004 |
| 6686577 |
Device detecting focus of a taking lens without decrease in focus detection accuracy when the auto focus area is disposed at an inclination relative to the photographic field |
Feb. 3, 2004 |
| 6674058 |
Apparatus and method for focusing a laser scanning cytometer |
Jan. 6, 2004 |
| 6657219 |
Optical detection and measurement system |
Dec. 2, 2003 |
| 6649893 |
Focus detecting device for an optical apparatus |
Nov. 18, 2003 |
| 6633730 |
Rangefinder device and camera incorporating the same |
Oct. 14, 2003 |
| 6633390 |
Focus measurement in projection exposure apparatus |
Oct. 14, 2003 |
| 6624403 |
Autofocus system |
Sep. 23, 2003 |
| 6621060 |
Autofocus feedback positioning system for laser processing |
Sep. 16, 2003 |
| 6548795 |
Autofocus Z stage |
Apr. 15, 2003 |
| 6546159 |
Method and apparatus for compensating differential group delay |
Apr. 8, 2003 |
| 6542319 |
Pickup device |
Apr. 1, 2003 |
| 6486457 |
Apparatus and method for autofocus |
Nov. 26, 2002 |
| 6479808 |
Method and systems for collecting data from multiple fields of view |
Nov. 12, 2002 |
| 6456794 |
Distance-measuring apparatus |
Sep. 24, 2002 |
| 6433858 |
Autofocusing apparatus of a sighting telescope |
Aug. 13, 2002 |
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