Thinkom Solutions, Inc.

Eugene Yum

William W Milroy

William Henderson

James Sor

James P Treinen

William Milroy

Willam Milroy

James Treinen

A multiport microwave device includes a first reactive three-port microwave device, a second reactive three-port microwave device, a third reactive three-port microwave device, and a matched four-port microwave device. The four-port microwave device includes first and second input ports and first and second output ports communicatively coupled to one another. A first port of each of the first, second and third three-port microwave devices is operative to receive a microwave signal, and a first output port and a second output port of the four-port microwave device are each operative to output a microwave signal. A second port of the first microwave device is communicatively coupled to a second port of the second microwave device, a second port of the third microwave device is communicatively coupled to a third port of the second microwave device, and a third port of the first microwave device is communicatively coupled to the first input port the four-port microwave device. A third port of the third microwave device is communicatively coupled to the second input port of the four-port microwave device.

Lossless lobing circuit for multi-subarray tracking

A waveguide rotary joint includes a first waveguide member comprising a first waveguide portion, and a second waveguide member comprising a second waveguide portion, the second waveguide member rotatably connected via a curved circumferential path to the first waveguide member, wherein the second waveguide portion is adjacent to the first waveguide portion to define a first split rectangular waveguide. A first waveguide input/output port is communicatively coupled to the first waveguide portion, and a second waveguide input/output port is communicatively coupled to the second waveguide portion. Relative rotation between the first waveguide member and the second waveguide member changes an angular length of the first waveguide connecting the first waveguide input/output port to the second waveguide input/output port.

Compact concentric split ring waveguide rotary joint

An antenna array employing continuous transverse stubs as radiating elements includes a first conductive plate structure including a first set of continuous transverse stubs arranged on a first surface, and a second set of continuous transverse stubs arranged on the first surface, wherein a geometry of the first set of continuous transverse stubs is different from a geometry of the second set of continuous transverse stubs. A second conductive plate structure is disposed in a spaced relationship relative to the first conductive plate structure, the second conductive plate structure having a surface parallel to the first surface. A relative rotation apparatus imparts relative rotational movement between the first conductive plate structure and the second conductive plate structure.

Augmented E-plane taper techniques in variable inclination continuous transverse (VICTS) antennas

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Los Angeles, CA, United States of America

Eugene Yum