Bi-directional optical transmission system

Bi-directional optical wireless communication apparatus and meth

Bi-directional optical-amplifier module

Bi-directional printer wiper for printing on bichromal or...

Bi-directional pumped optical fiber amplifier with fault...

Bi-directional wavelength division...

Bi-directional wavelength switching device and wavelength...

Bi-directional wavelength switching device and wavelength...

Bi-directional wavelength-selective optical data apparatus

Bi-directional, single material thermal actuator

Bi-directionally actuated thin membrane mirror

Bi-directionally pumped optical fiber lasers and amplifiers

Bi-focal plane rear view mirror

Bi-stable display device

Bi-stable electrowetting optical element and driving method...

Bi-stable liquid crystal device and driving method which allows

Bi-stable optical actuator

Bi-stable optical element actuator device

Bi-stable projection screen

Bias control and method for electro-optic modulators