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

Optical: systems and elements – Lens

Viewfinder optical system

Optical: systems and elements – Prism – With reflecting surface

Viewfinder optical system

Optical: systems and elements – Compound lens system – Telescope

Viewfinder optical system and optical apparatus

Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface

Viewfinder optical system and optical apparatus having the same

Optical: systems and elements – Lens – With reflecting element

Viewfinder optical system and optical apparatus having the same

Optical: systems and elements – Prism – With reflecting surface

Viewfinder optical system compensated in macrophotographic or pa

Optical: systems and elements – Diffraction – From grating

Viewfinder with diffractive optical element

Optical: systems and elements – Lens – With multipart element

Viewing aid for doors and windows

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

Viewing and inspection box

Optical: systems and elements – Single channel simultaneously to or from plural channels

Viewing angle lens

Optical: systems and elements – Compound lens system – Microscope

Viewing apparatus

Optical: systems and elements – Holographic system or element – Using a hologram as an optical element

Viewing apparatus

Optical: systems and elements – Compound lens system – With image recorder

Viewing apparatus having a photographic function

Optical: systems and elements – Compound lens system – Telescope

Viewing apparatus having a photographing system

Optical: systems and elements – Compound lens system – Microscope

Viewing apparatus having oblique illumination

Optical: systems and elements – Deflection using a moving element – Using a periodically moving element

Viewing apparatus with a counterbalanced and articulated mirror

Optical: systems and elements – Mirror – Including specified control or retention of the shape of a...

Viewing assembly for producing an optically corrected reflected

Optical: systems and elements – Mirror – Including specified control or retention of the shape of a...

Viewing assembly for producing an optically corrected reflected

Optical: systems and elements – Mirror – Including specified control or retention of the shape of a...

Viewing assembly for producing an optically corrected reflected