Device for adjusting the polarization of an antenna and a method

Device for orienting and angularly positioning the axis of rotat

Device for positioning an antenna

Device for rotating an element about two orthogonal axes, applic

Device for the accurate positioning of an antenna

Device for two-dimensional imaging of scenes by microwave...

Devices for sending and receiving electromagnetic waves

Differential drive pedestal gimbal

Differential drive rolling arc gimbal

Differential drive rolling arc gimbal

Digital UHF/VHF antenna

Directional antenna mechanism

Directional beam antenna device and directional beam controlling

Dish antenna with impedance matched splash plate feed

Drive arrangement for mechanically-steered antennas

Dual cable drive rolling arc gimbal

Dual reflector folding antenna

Dual reflector mechanical pointing low profile antenna

Dual reflector scanning antenna system

Dual staggered vertically polarized variable azimuth...