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Class Information
Number: 359/682
Name: Optical: systems and elements > Lens > With variable magnification (e.g., zoom type) > Reverse telephoto > Having seven or less components
Description: Subject matter wherein the reverse telephoto lens comprises seven or less sections (i.e., components), each containing two refractive surfaces, arranged in series along the optical axis of the lens with their optical centers in alignment thereon, their planes perpendicular to such axis and their axially extreme refracting surfaces so spaced along the optical axis that parallel light rays upon entering and passing through all of such components are refracted to a focus no more than one time.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7605985 |
Projection zoom lens and projection type display device |
Oct. 20, 2009 |
| 7605986 |
Zoom lens |
Oct. 20, 2009 |
| 7593166 |
Zoom lens system, imaging device and camera |
Sep. 22, 2009 |
| 7593167 |
Three-unit zoom lens system and image pickup apparatus having three-unit zoom lens system |
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 |
| 7583300 |
Imaging device and zoom lens |
Sep. 1, 2009 |
| 7576923 |
Zoom lens and image projection apparatus having the same |
Aug. 18, 2009 |
| 7570435 |
Zoom lens system, imaging device and camera |
Aug. 4, 2009 |
| 7567389 |
Zoom lens, image pickup apparatus and digital equipment |
Jul. 28, 2009 |
| 7554748 |
Zoom lens system |
Jun. 30, 2009 |
| 7538953 |
Zoom lens system |
May. 26, 2009 |
| 7535651 |
Zoom lens and image pickup apparatus having the same |
May. 19, 2009 |
| 7532409 |
Zoom lens system, imaging device and camera |
May. 12, 2009 |
| 7492509 |
Projection optical system |
Feb. 17, 2009 |
| 7489449 |
Zoom lens for projection and projection display device |
Feb. 10, 2009 |
| 7477456 |
Zoom lens |
Jan. 13, 2009 |
| 7466494 |
Compact zoom lens |
Dec. 16, 2008 |
| 7460311 |
Zoom lens system and image pickup apparatus including the same |
Dec. 2, 2008 |
| 7457050 |
Zoom lens system for use with small electronic sensor |
Nov. 25, 2008 |
| 7457045 |
Zoom lens |
Nov. 25, 2008 |
| 7453507 |
Electronic imaging apparatus |
Nov. 18, 2008 |
| 7453648 |
Zoom lens system, imaging device and camera |
Nov. 18, 2008 |
| 7450317 |
Zoom lens |
Nov. 11, 2008 |
| 7443599 |
Magnification varying optical system and image taking apparatus |
Oct. 28, 2008 |
| 7443600 |
Zoom lens and image pickup apparatus having the same |
Oct. 28, 2008 |
| 7440194 |
Zoom lens for use in projection devices |
Oct. 21, 2008 |
| 7417800 |
Zoom lens system |
Aug. 26, 2008 |
| 7403340 |
Zoom optical system and electronic imaging apparatus using the same |
Jul. 22, 2008 |
| 7382547 |
Zoom lens system |
Jun. 3, 2008 |
| 7379250 |
Variable magnification optical system and image-taking apparatus |
May. 27, 2008 |
| 7375900 |
Variable power optical system and image pickup apparatus |
May. 20, 2008 |
| 7369323 |
Zoom lens system, imaging device and camera |
May. 6, 2008 |
| 7365912 |
Compact zoom lens |
Apr. 29, 2008 |
| 7362509 |
Zoom lens |
Apr. 22, 2008 |
| 7339745 |
Zoom lens system and electronic image pickup apparatus using the same |
Mar. 4, 2008 |
| 7339744 |
Electronic imaging apparatus |
Mar. 4, 2008 |
| 7336427 |
Inner zoom lens system |
Feb. 26, 2008 |
| 7324289 |
Zoom lens system |
Jan. 29, 2008 |
| 7321469 |
Zoom lens |
Jan. 22, 2008 |
| 7312930 |
Zoom lens |
Dec. 25, 2007 |
| 7310191 |
Zoom lens system, imaging device and camera |
Dec. 18, 2007 |
| 7304804 |
Zoom lens device |
Dec. 4, 2007 |
| 7277232 |
Zoom lens system |
Oct. 2, 2007 |
| 7277233 |
Zoom lens and imaging system incorporating it |
Oct. 2, 2007 |
| 7248418 |
Zoom lens system and image pickup apparatus including the same |
Jul. 24, 2007 |
| 7242530 |
Ultra wide angle zoom lens in projection display system |
Jul. 10, 2007 |
| 7236309 |
Bifocal double group lens assembly |
Jun. 26, 2007 |
| 7227696 |
Zoom lens and image pickup apparatus having the same |
Jun. 5, 2007 |
| 7221517 |
Image forming device |
May. 22, 2007 |
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