Inventor

SIEVENPIPER DANIEL F

US61 patents

⚠️ This page may combine multiple inventors who share the name “SIEVENPIPER DANIEL F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SIEVENPIPER DANIEL F

HRL LAB LLC

Microwave receiver front-end assembly and array

Single-pole multi-throw switch having low parasitic reactance, and an antenna incorporating the same

Antenna system and RF signal interference abatement method

Meta-element antenna and array

RF MEMs-tuned slot antenna and a method of making same

Low-cost HDMI-D packaging technique for integrating an efficient reconfigurable antenna array with RF MEMS switches and a high impedance surface

Large aperture rectenna based on planar lens structures

Steerable leaky wave antenna capable of both forward and backward radiation

Adaptive beam forming antenna system using a tunable impedance surface

Compact tunable antenna

Large aperture rectenna based on planar lens structures

Steerable leaky wave antenna capable of both forward and backward radiation

Antenna system for communicating simultaneously with a satellite and a terrestrial system

Large-scale adaptive surface sensor arrays

Tunable frequency selective surface

Molded high impedance surface and a method of making same

Low-profile, multi-antenna module, and method of integration into a vehicle

Method for designing artificial surface impedance structures characterized by an impedance tensor with complex components

Reflectarray

Single-pole multi-throw switch having low parasitic reactance, and an antenna incorporating the same

Standing wave amplifiers and oscillators

Method of making a high impedance surface

Plano-convex rotman lenses, an ultra wideband array employing a hybrid long slot aperture and a quasi-optic beam former

Low profile slot antenna using backside fed frequency selective surface

Antenna system and RF signal interference abatement method

Low-profile, multi-antenna module, and method of integration into a vehicle

Method of providing increased low-angle radiation sensitivity in an antenna and an antenna having increased low-angle radiation sensitivity

Artificial impedance structure

Wide field of view millimeter wave imager

Method and system for determining an optimized artificial impedance surface

Artificial impedance structure

Tunable frequency selective surface

Coaxial cable having high radiation efficiency

Meta-surface waveguide for uniform microwave heating

Smart chaff

GM GLOBAL TECH OPERATIONS INC

Antenna structures having adjustable radiation characteristics

Method for fabricating antenna structures having adjustable radiation characteristics

Method for improving the efficiency of transparent thin film antennas and antennas made by such method

Transparent thin film antenna

Control system and method for diversity antenna system

Method for improving the efficiency of transparent thin film antennas and antennas made by such method

SIEVENPIPER DANIEL F

Tunable frequency selective surface

Multiband tunable impedance surface

Method of achieving an opaque or absorption state in a tunable frequency selective surface

Radio frequency transparent photovoltaic cell

GEN MOTORS CORP

Dual band, low profile omnidirectional antenna

Crossed-slot antenna for mobile satellite and terrestrial radio reception

Low-profile antenna

SCHAFFNER JAMES H

Antenna having an impedance matching section for integration into apparel

LYNCH JONATHAN J

Wide field of view millimeter wave imager