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Class Information
Number: 359/743
Name: Optical: systems and elements > Lens > With multipart element > Echelon (e.g., fresnel lens, etc.) > Having curvilinear lens
Description: Subject matter wherein the general shape of the lens surface is concave or convex on either side or on both sides.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7618161 |
Fresnel lens and lighting apparatus provided with the Fresnel lens |
Nov. 17, 2009 |
| 7583437 |
Projection screen with virtual compound curvature |
Sep. 1, 2009 |
| 7546709 |
Tubular skylight dome with variable prism |
Jun. 16, 2009 |
| 7498558 |
Scintillation hardened semi-active laser sensor |
Mar. 3, 2009 |
| 7492534 |
Imaging optical system including optical element having discontinuous plane |
Feb. 17, 2009 |
| 7474463 |
Diffusion sheet, rear projection screen provided with diffusion sheet, method of manufacturing mold for diffusion sheet, and method of manufacturing diffusion sheet |
Jan. 6, 2009 |
| 7474477 |
Imaging lens for infrared cameras |
Jan. 6, 2009 |
| 7453639 |
Diffusion sheet, rear projection screen provided with diffusion sheet, method of manufacturing mold for diffusion sheet, and method of manufacturing diffusion sheet |
Nov. 18, 2008 |
| 7403334 |
Optical member and process of producing the same |
Jul. 22, 2008 |
| 7365918 |
Fast x-ray lenses and fabrication method therefor |
Apr. 29, 2008 |
| 7309149 |
Prism sheet, backlight assembly and liquid crystal display device having the same |
Dec. 18, 2007 |
| 7251084 |
Fresnel lens and an illuminating device provided with the Fresnel lens |
Jul. 31, 2007 |
| 7224539 |
Providing optical systems having improved properties to users of catalog (stock) lenses |
May. 29, 2007 |
| 7212348 |
Compact zoom lens system |
May. 1, 2007 |
| 7212340 |
Forming methods, forming devices for articles having a micro-sized shape and optical elements |
May. 1, 2007 |
| 7201503 |
Vehicular lamp including hemispherical translucent member with fan-shaped zones and lens elements |
Apr. 10, 2007 |
| 7187505 |
Imaging lens for infrared cameras |
Mar. 6, 2007 |
| 7170682 |
Projection aligner, aberration estimating mask pattern, aberration quantity estimating method, aberration eliminating filter and semiconductor manufacturing method |
Jan. 30, 2007 |
| 7167307 |
Projection screen, and projection type display system |
Jan. 23, 2007 |
| 7106528 |
Method and apparatus for manufacturing large double-sided curved Fresnel lens |
Sep. 12, 2006 |
| 7006290 |
Optical system and method of designing optical system |
Feb. 28, 2006 |
| RE38943 |
Compound objective lens for optical disks having different thicknesses |
Jan. 24, 2006 |
| 6987624 |
Fresnel lens sheet and rear projection screen |
Jan. 17, 2006 |
| 6970291 |
Projection aligner, aberration estimating mask pattern, aberration quantity estimating method, aberration eliminating filter and semiconductor manufacturing method |
Nov. 29, 2005 |
| 6956193 |
Highly sensitive imaging camera for space applications including detection of ultrahigh energy cosmic rays |
Oct. 18, 2005 |
| 6947225 |
Fresnel lens sheet, process of producing Fresnel lens sheet, mold for use in the production process, and rear projection screen comprising the Fresnel lens sheet |
Sep. 20, 2005 |
| 6926412 |
Projection display apparatus with a curved screen |
Aug. 9, 2005 |
| 6924943 |
Asymmetric TIR lenses producing off-axis beams |
Aug. 2, 2005 |
| 6922292 |
Wide angle imaging system |
Jul. 26, 2005 |
| 6882482 |
Liquid-crystal lens and method and apparatus for driving the same |
Apr. 19, 2005 |
| 6876498 |
Optical component thickness adjustment method and optical component |
Apr. 5, 2005 |
| 6831790 |
Optical element, method for producing the same, and optical pickup |
Dec. 14, 2004 |
| 6822812 |
Off-angle display systems and associated methods of manufacture and use |
Nov. 23, 2004 |
| 6741402 |
Objective lens for optical head |
May. 25, 2004 |
| 6717747 |
Image pickup lens |
Apr. 6, 2004 |
| 6710939 |
Objective lens for optical pick-up device and optical pick-up device |
Mar. 23, 2004 |
| 6704149 |
Lens optical system |
Mar. 9, 2004 |
| 6654172 |
Combined stop/turn/tail/clearance lamp using light emitting diode technology |
Nov. 25, 2003 |
| 6628462 |
Optical system and optical apparatus having the same |
Sep. 30, 2003 |
| 6614600 |
Objective lens and optical pickup apparatus |
Sep. 2, 2003 |
| 6600600 |
Projection screen and projection method |
Jul. 29, 2003 |
| 6493155 |
Thin infrared lens |
Dec. 10, 2002 |
| 6469241 |
High concentration spectrum splitting solar collector |
Oct. 22, 2002 |
| 6462891 |
Shaping optic for diode light sheets |
Oct. 8, 2002 |
| 6445509 |
Variable fresnel type structures and process |
Sep. 3, 2002 |
| 6421188 |
Optical element |
Jul. 16, 2002 |
| 6407860 |
Fresnel lens sheet |
Jun. 18, 2002 |
| 6347012 |
Display system with improved luminosity |
Feb. 12, 2002 |
| 6320699 |
Aberration correcting apparatus and optical apparatus using the same |
Nov. 20, 2001 |
| 6310733 |
Optical elements and methods for their manufacture |
Oct. 30, 2001 |
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