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Class Information
Number: 348/351
Name: Television > Camera, system and detail > Optics > Focus control > Using image signal > With oscillation of lens or sensor to optimize error signal
Description: Subject matter wherein a periodic relative movement of the lens or the sensor is used to determine the proper focus condition.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7456897 |
Image-taking apparatus for setting maximum exposure time and control method therefor |
Nov. 25, 2008 |
| 7430010 |
Image sensing apparatus with focusing CCD movably inserted in a light splitting path of a half-mirror |
Sep. 30, 2008 |
| 7421195 |
Apparatus for acquiring focussing information and method of acquiring focusing information |
Sep. 2, 2008 |
| 7352403 |
Method for adjusting relative position of lens module by using uniform light source |
Apr. 1, 2008 |
| 7268817 |
Method of automatically focusing using a quadratic function in camera |
Sep. 11, 2007 |
| 7193651 |
Camera system, lens apparatus and camera |
Mar. 20, 2007 |
| 7187857 |
Lens control apparatus |
Mar. 6, 2007 |
| 7064789 |
Digital camera having a tilting/swinging mechanism |
Jun. 20, 2006 |
| 7057646 |
Focus adjusting system, image capture apparatus and control method thereof |
Jun. 6, 2006 |
| 7023483 |
Framing aid for a document capture device |
Apr. 4, 2006 |
| 7006139 |
Image pickup apparatus with focusing lens control device |
Feb. 28, 2006 |
| 6940542 |
Imaging apparatus, and method and device for shake correction in imaging apparatus |
Sep. 6, 2005 |
| 6937285 |
Image pickup apparatus and power supply control method therefor |
Aug. 30, 2005 |
| 6924842 |
Focusing state determining adapter for taking lens |
Aug. 2, 2005 |
| 6914635 |
Microminiature zoom system for digital camera |
Jul. 5, 2005 |
| 6897899 |
Electronic image pickup apparatus |
May. 24, 2005 |
| 6879343 |
Automatic focus adjusting device |
Apr. 12, 2005 |
| 6816199 |
Focus detecting device |
Nov. 9, 2004 |
| 6744468 |
Lens control device for moving range correction |
Jun. 1, 2004 |
| 6710806 |
Automatically focusing system and focusing method therefor |
Mar. 23, 2004 |
| 6700617 |
Image taking apparatus with operational image pick-up unit |
Mar. 2, 2004 |
| 6639694 |
Imaging apparatus with divers resolution |
Oct. 28, 2003 |
| 6614480 |
Apparatus and a method for automatically focusing on a subject |
Sep. 2, 2003 |
| 6590613 |
Automatic focus adjusting device using luminance and illuminance detection |
Jul. 8, 2003 |
| 6567126 |
Planar focus correction |
May. 20, 2003 |
| 6545715 |
Apparatus and method for controlling focus using adaptive filter |
Apr. 8, 2003 |
| 6525771 |
Lens control device |
Feb. 25, 2003 |
| 6421088 |
Digital camera with an adjusting device for adjusting its lens and irises |
Jul. 16, 2002 |
| 6362852 |
Focus control apparatus and method for use with a video camera or the like |
Mar. 26, 2002 |
| 6359652 |
Mounting structure for the photographic element of a camera |
Mar. 19, 2002 |
| 6320613 |
Image blur prevention apparatus including device for varying sampling period for sampling an operating signal for image blur prevention device |
Nov. 20, 2001 |
| 6275262 |
Focus control method and video camera apparatus |
Aug. 14, 2001 |
| 6163340 |
Automatic focus adjusting device |
Dec. 19, 2000 |
| 6141051 |
Still photographic camera and image generation process |
Oct. 31, 2000 |
| 6072529 |
Electronic camera for the realization of the imaging properties of a studio bellow camera |
Jun. 6, 2000 |
| 6034727 |
Focus control method and video camera apparatus |
Mar. 7, 2000 |
| 5995144 |
Automatic focusing device using phase difference detection |
Nov. 30, 1999 |
| 5978027 |
Image pickup apparatus having sharpness control |
Nov. 2, 1999 |
| 5929907 |
Automatic focusing apparatus using scanning line weighting of a video signal to determine an in-focus condition |
Jul. 27, 1999 |
| 5923371 |
Automatic focus adjusting apparatus |
Jul. 13, 1999 |
| 5920342 |
Image input apparatus for capturing images of multiple resolutions |
Jul. 6, 1999 |
| 5915047 |
Image pickup apparatus |
Jun. 22, 1999 |
| 5838374 |
Autofocus video camera that can compensate for variation in the amount of load on a mobile unit of a linear motor in a focus operation |
Nov. 17, 1998 |
| 5758206 |
Lens position control device for a zoom lens |
May. 26, 1998 |
| 5453784 |
Imaging apparatus and method for determining range and determining focus information |
Sep. 26, 1995 |
| 5444485 |
Camera with turret lens and solid state image sensor |
Aug. 22, 1995 |
| 5416519 |
Image pickup apparatus with zooming function |
May. 16, 1995 |
| 5402174 |
Camera apparatus having focus detecting sensitivity based on absolute focal length |
Mar. 28, 1995 |
| 5402175 |
Automatic focusing device wherein lens movement is controlled in accordance with lens hunting |
Mar. 28, 1995 |
| 5140357 |
Automatic focusing device wherein loop gain is set responsively to variation of magnification |
Aug. 18, 1992 |
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