Matches 1 - 10 out of 10
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US20090309799 SINGLE-LAYER ADAPTIVE PLANE ARRAY ANTENNA AND VARIABLE REACTANCE CIRCUIT  
A single-layer adaptive plane array antenna device includes a variable reactance circuit including a variable capacitance circuit controlled by bias voltage, a resonating folded line bias circuit...
US20090151150 MANUFACTURING METHOD FOR A CARD AND CARD OBTAINED BY SAID METHOD  
A method for manufacturing a dual interface card includes at least the following step: collocating multiple card support sheets one onto the other, some of these sheets showing holes, in...
US20080291101 METHOD AND APPARATUS FOR STEERING AND STABILIZING RADIO FREQUENCY BEAMS UTILIZING PHOTONIC CRYSTAL STRUCTURES  
An RF beam steering device employs a prism assembly to steer an RF beam and a compensation device to address undesirable movement of the beam steering device. The prism assembly includes a...
US20080278394 Low profile quasi-optic phased array antenna  
A phased array antenna device is described. The phased array antenna device includes at least one one-dimensional phased array of radiating elements arranged along an array direction, a lens, and a...
US20080238790 Rotating Screen Dual Reflector Antenna  
A system for steering a beam includes a main reflector that receives a signal from a subreflector and reflects the signal in a reflection direction. A prism refracts the signal in a refraction...
US20080094296 Antenna Clusters for Active Device Reduction in Phased Arrays with Restricted Scan  
A plurality of antenna clusters form an antenna array used in microwave imaging. Each antenna cluster has at least two antenna elements and an active device. The active device controls the two...
US20080055175 MULTI-BEAM ANTENNA  
A plurality of antenna elements on a dielectric substrate are adapted to launch or receive electromagnetic waves in or from a direction substantially away from either a convex or concave edge of...
US20080048921 MULTI-BEAM ANTENNA  
A plurality of antenna end-fire antenna feed elements at a corresponding plurality of locations and oriented in a corresponding plurality of directions on a third dielectric substrate cooperate...
US20080040913 RFID tag  
An RFID tag, including: a base; an antenna pattern that is provided on the base to form a communication antenna and has a tapered connection end portion which provides a connection terminal to the...
US20080030416 DUAL BAND SPACE-FED ARRAY  
A dual-band, space fed antenna array includes a feed array with a first set of feed radiators for operation in a first frequency band of operation and a second set of feed radiators for operation...
Matches 1 - 10 out of 10