LandOfFree - US Patents - Listing for Optical: systems and elements

Optical: systems and elements – Lens – With reflecting element

Fixed focal length lens system

Optical: systems and elements – Lens – Multiple component lenses

Fixed focal length lens system

Optical: systems and elements – Lens – With viewed object or viewed field illumination

Fixed focus handy ovulation tester

Optical: systems and elements – Lens – Multiple component lenses

Fixed focus lens

Optical: systems and elements – Compound lens system – Microscope

Fixed focus microscope objective lens

Optical: systems and elements – Lens – With variable magnification

Fixed focus, optically athermalized, diffractive infrared...

Optical: systems and elements – Lens – With viewed object or viewed field illumination

Fixed mount imager using optical module for reading one or two-d

Optical: systems and elements – Lens – With viewed object or viewed field illumination

Fixed-angle roller mechanism

Optical: systems and elements – Lens – Reverse telephoto

Fixed-focal-length lens system

Optical: systems and elements – Lens – Including a nonspherical surface

Fixed-focus lens

Optical: systems and elements – Lens – Reverse telephoto

Fixed-focus lens

Optical: systems and elements – Lens – Multiple component lenses

Fixed-focus lens

Optical: systems and elements – Compound lens system – With curved reflective imaging element

Fixed-focus lens

Optical: systems and elements – Lens – With field curvature shaping

Fixed-focus lens

Optical: systems and elements – Lens – Multiple component lenses

Fixed-focus lens

Optical: systems and elements – Lens – Reverse telephoto

Fixed-focus lens

Optical: systems and elements – Lens – With field curvature shaping

Fixed-focus lens

Optical: systems and elements – Lens – Multiple component lenses

Fixed-focus triplet projection lens for overhead projectors

Optical: systems and elements – Mirror – Plural mirrors or reflecting surfaces

Fixing and covering structure for a reflection mirror