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Class Information
Number: 359/689
Name: Optical: systems and elements > Lens > With variable magnification (e.g., zoom type) > With mechanical compensation > Three groups
Description: Subject matter wherein three groups move independently of each other and at least two of the groups function respectively as (1) a variator movable of varying the focal length and (2) a compensator which moves independently of the first group for compensating for image plane deviation focal length variation.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7626768 |
Zoom lens and camera with zoom lens |
Dec. 1, 2009 |
| 7619831 |
Zoom lens and projector unit |
Nov. 17, 2009 |
| 7619834 |
Zoom lens system and optical apparatus including the same |
Nov. 17, 2009 |
| 7612949 |
Zoom lens and imaging apparatus |
Nov. 3, 2009 |
| 7609313 |
Image pick-up lens, image pick-up unit and mobile terminal |
Oct. 27, 2009 |
| 7605986 |
Zoom lens |
Oct. 20, 2009 |
| 7599126 |
Zoom lens system, imaging device and camera |
Oct. 6, 2009 |
| 7593166 |
Zoom lens system, imaging device and camera |
Sep. 22, 2009 |
| 7589906 |
Zoom lens system and an image pickup apparatus including the same |
Sep. 15, 2009 |
| 7589907 |
Zoom lens system, image pickup device and digital device |
Sep. 15, 2009 |
| 7589910 |
Zoom lens, camera, and personal digital assistant |
Sep. 15, 2009 |
| 7586691 |
Variable-power imaging optical system and imaging device |
Sep. 8, 2009 |
| 7580202 |
Zoom lens system and image pickup apparatus including the same |
Aug. 25, 2009 |
| 7580200 |
Optical zoom lens |
Aug. 25, 2009 |
| 7580199 |
Zoom lens and image taking system having the same |
Aug. 25, 2009 |
| 7576923 |
Zoom lens and image projection apparatus having the same |
Aug. 18, 2009 |
| 7573647 |
Optical unit and image capturing apparatus including the same |
Aug. 11, 2009 |
| 7573650 |
Zoom optical system and electronic system incorporating it |
Aug. 11, 2009 |
| 7570435 |
Zoom lens system, imaging device and camera |
Aug. 4, 2009 |
| 7557839 |
Electronic imaging device and mobile terminal including the electronic imaging device |
Jul. 7, 2009 |
| 7551367 |
Wide-angle lens, optical apparatus and method for focusing |
Jun. 23, 2009 |
| 7548379 |
Zoom lens and projector using zoom lens |
Jun. 16, 2009 |
| 7545581 |
Zoom lens and projector unit |
Jun. 9, 2009 |
| 7542213 |
Projecting zoom lens and projection display device |
Jun. 2, 2009 |
| 7538954 |
Zoom lens system |
May. 26, 2009 |
| 7538953 |
Zoom lens system |
May. 26, 2009 |
| 7535653 |
Zoom lens, imaging device and camera device and mobile information terminal using the zoom lens |
May. 19, 2009 |
| 7529036 |
Projection zoom lens and projection display device |
May. 5, 2009 |
| 7529037 |
Zoom lens and imaging system incorporating it |
May. 5, 2009 |
| 7525738 |
Lens system |
Apr. 28, 2009 |
| 7522350 |
Zoom lens system and image pickup apparatus including the same |
Apr. 21, 2009 |
| 7515353 |
Zoom lens system and camera including zoom lens system |
Apr. 7, 2009 |
| 7511893 |
Zoom lens system |
Mar. 31, 2009 |
| 7508600 |
Optical system and optical apparatus including the same |
Mar. 24, 2009 |
| 7508601 |
Imaging lens |
Mar. 24, 2009 |
| 7505214 |
Zoom lens and image pickup apparatus having the same |
Mar. 17, 2009 |
| 7502172 |
Zoom optical system and image taking apparatus using the same |
Mar. 10, 2009 |
| 7495842 |
Zoom lens and projector unit |
Feb. 24, 2009 |
| 7492527 |
Three-group zoom lens and imaging device |
Feb. 17, 2009 |
| 7486446 |
Zoom lens and electronic imaging device having the same |
Feb. 3, 2009 |
| 7486448 |
Zoom lens and image pickup apparatus |
Feb. 3, 2009 |
| 7486447 |
Compact zoom lens |
Feb. 3, 2009 |
| 7477456 |
Zoom lens |
Jan. 13, 2009 |
| 7477457 |
Zoom lens system and electronic image pickup apparatus using the same |
Jan. 13, 2009 |
| 7471459 |
Zoom lens system and image pickup apparatus using the same |
Dec. 30, 2008 |
| 7468841 |
Zoom lens and image pickup apparatus |
Dec. 23, 2008 |
| 7466495 |
Image pickup apparatus and zoom lens |
Dec. 16, 2008 |
| 7463425 |
Zoom lens system |
Dec. 9, 2008 |
| 7463426 |
Image pickup apparatus |
Dec. 9, 2008 |
| 7460311 |
Zoom lens system and image pickup apparatus including the same |
Dec. 2, 2008 |
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