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Patent

Microstrip network having phase adjustment

TLDR
In this article, an effective technique for phase adjustment in a microstrip coupling network makes use of a field altering structure positioned adjacent the microstrip, which shifts the angular location of the effective element radiation pattern.
Abstract
In an array antenna system having a coupling network interconnecting a plurality of element groups, the coupling network is provided with phase adjustments to shift the angular location of the effective element radiation pattern. An effective technique for this phase adjustment in a microstrip coupling network makes use of a field altering structure positioned adjacent the microstrip.

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Citations
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Patent

Reflection mode phase shifter

TL;DR: In this paper, a mechanically or electro-mechanically driven phase shifter for radio frequencies is proposed, which is a device for phase shifting a signal propagating through a transmission line by moving a conductive construct between an active line and a ground plane of the transmission line.
Patent

Microstrip shielding system

TL;DR: In this paper, a microstrip transmission line secured to the surface of a dielectric substrate between ground planes is shielded to isolate the microstrip and inhibit the escape of electromagnetic radiation.
Patent

Semiconductor integrated circuit having an equal propagation delay

TL;DR: In this article, the phase compensation section is implemented by covering a microstrip line by a insulator layer having a high dielectric constant or implemented by a second ground conductor disposed opposite to the microstrip conductor with a thin insulating layer of a high Dielectric constants.
Patent

Low loss RF transmission lines

TL;DR: In this article, a transmission structure with high propagation velocity and a low effective dielectric loss was proposed. But the structure was not considered in this paper, since it was assumed that the second reference conductor has a recess portion facing the signal, the recess portion defining a gap between the second and the signal conductor.
Patent

Active superconductive devices

TL;DR: Active superconductive devices are formed having a variable conductive element in electromagnetic contact with a superconductor as mentioned in this paper, where a variable ohmic conductive device (16) such as a photoconductor, is placed adjacent a superconductor.
References
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Patent

Microstrip latched ferrite phase shifter wherein latching pulses pass through ground plane

TL;DR: A latching ferrite phase shifter for microstrip transmission lines compatible with integrated circuits was proposed in this article, which incorporated two ferrite materials, one sandwiched between the transmission line and a ground plane and the other of which was on the side of the ground plane opposite the transmission lines.
Patent

Reciprocal ferrite film phase shifter having latching conductor film

TL;DR: In this paper, the authors describe a phase-shifter in a two-torroide configuration, where the first and second stages are separated by separate FERRITE LAYERS.
Patent

Planar phase shifter for use in the microwave range

TL;DR: A planar phase shifter for use in the microwave range is described in this article, which comprises a meander-like microstrip conductor which is provided on a non-magnetic ferrite substrate, and a gyromagnetic body being provided at a distance from the microstrip conductors to reduce attenuation of the microwave due to losses in the gyramagnetic material.