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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 |
| 7626151 |
Autofocus system and method for autofocusing an optical imaging instrument |
Dec. 1, 2009 |
| 7619189 |
Imaging apparatus with autofocus function, imaging method, storage medium, and integrated circuit |
Nov. 17, 2009 |
| 7612316 |
Focus detection device and fluorescent observation device using the same |
Nov. 3, 2009 |
| 7595475 |
Image-pickup apparatus having a focus controller and an exposure controller |
Sep. 29, 2009 |
| 7595481 |
Scanning optical system measuring device and scanning optical system measuring method |
Sep. 29, 2009 |
| 7583380 |
Spectroscopic analysis apparatus and method with excitation system and focus monitoring system |
Sep. 1, 2009 |
| 7550699 |
Removal of unwanted reflections in autofocus systems |
Jun. 23, 2009 |
| 7544919 |
Focus assist system and method |
Jun. 9, 2009 |
| 7531772 |
Apparatus for translational displacement of a lens in a laser focussing optical system |
May. 12, 2009 |
| 7528354 |
Method and device for position sensing of an optical component in an imaging system |
May. 5, 2009 |
| 7514660 |
Focusing apparatus, focusing method, and inspection apparatus |
Apr. 7, 2009 |
| 7507940 |
Laser underwater camera image enhancer |
Mar. 24, 2009 |
| 7495779 |
Level detection apparatus |
Feb. 24, 2009 |
| 7485834 |
Method and apparatus for estimating an in-focus position |
Feb. 3, 2009 |
| 7462805 |
Focus detection apparatus having a luminous flux deformation member |
Dec. 9, 2008 |
| 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 |
| 6781103 |
Method of automatically focusing an optical beam on transparent or reflective thin film wafers or disks |
Aug. 24, 2004 |
| 6781632 |
Image pick-up apparatus capable of focus detection |
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 |
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