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Class Information
Number: 359/769
Name: Optical: systems and elements > Lens > Multiple component lenses > Five components > First component positive > First two components positive > + + - + + arrangement
Description: Subject matter wherein the plus and minus signs indicate convergent and divergent lens components, respectively.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7215478 |
Immersion objective optical system |
May. 8, 2007 |
| 7154683 |
Five-element optical device |
Dec. 26, 2006 |
| 6295166 |
Projection lens for projection type of television system |
Sep. 25, 2001 |
| 6166864 |
Zoom lens and optical apparatus using the same |
Dec. 26, 2000 |
| 5930032 |
UV image forming optical system and lens for UV radiation |
Jul. 27, 1999 |
| 5371626 |
Wide angle binocular system with variable power capability |
Dec. 6, 1994 |
| 4289385 |
Photographic lens with rear stop diaphragm |
Sep. 15, 1981 |
| 4283123 |
Microscope objective |
Aug. 11, 1981 |
| 4283123 |
Microscope objective |
Aug. 11, 1981 |
| 4030805 |
Infra-red lenses |
Jun. 21, 1977 |
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