Dual feedback path linearization of galvanometer-scanned laser w

Dual format pre-objective scanner

Dual layer optical ball for pointing device

Dual mode light emitting diode/detector diode for optical fiber

Dual mode switch for handicapped

Dual probe interferometer for object profile measuring

Dual reflector illumination system

Dual resolution scanner with light source and pivoting mirror in

Dual riser/dual capillary viscometer for newtonian and...

Dual scattering-type smoke detector with cross-checking

Dual sensor encoder for detecting forward/reverse rotation havin

Dual sensor encoder to counter eccentricity errors

Dual use sensor design for enhanced spatioradiometric performanc

Dual wavelength sensor which employs object as part of a corner

Dual-axis optical encoder device

Dual-interferometer method for measuring bending of materials

Dual-mode resonant scanning system

Dual-parameter optical waveguide grating sensing device and...

Dual-wavelength low-power built-in-test for a laser-initiated or

Dustproof structure for optical coordinate input apparatus