Ads Corporation

The Foxboro Company

Eugene C Cullie

Ronald A Pecora, Jr

An antenna assembly is formed from at least one antenna and associated conductive connecting element (wires, conductive gel or liquid, etc.) mounted within a deformable membrane that allows the antenna assembly to be installed or fixed within a narrow gap or crevice, wherein the gap or crevice may be subject to harsh environmental conditions. The gap or crevice is preferably a gap or crevice in a closure. The antenna assembly typically has a low profile, and is installed either flush with or within a traffic surface or within &frac14;&Prime; above the surface. The deformable membrane will yield under force, but return to its original shape once the force is removed. The deformable membrane and antenna assembly will deform to conform to the shape of a gap or crevice into which the antenna assembly is installed.

Deformable antenna assembly for mounting in gaps and crevices

A vortex flow meter has a vortex shedder that spans a diameter or other chord of a fluid-guiding pipe, and protrudes partially externally through two opposed openings in the pipe wall. The vortex shedder includes two spaced-apart mounting pads and an elongate portion spanning therebetween. At least one mounting pad includes a cavity for seating a sensor. One preferred practice of the invention inserts the shedder through the openings into the fluid-guiding pipe such that the elongate section resides within the flowing fluid and produces a stream of space-apart vortices, and the mounting pads protrude at least partially through the openings. The sensor produces electrical signals in response to the induced vortices, and an electronic module receives the electrical signals and calculates the flow velocity of the fluid based on the frequency of the electrical signals.

Integral shedder and mounting pad

A dipole antenna is constructed of flexible conductive elements. These elements are encased in a flexible protective covering or attached to a semi-rigid substrate. This covering protects the antenna during handling, transport, and installation. The conductive elements and the protective covering may be further encased or embedded in an external protective covering. The final external protective covering serves as an adhesive to permanently attach the antenna to a mounting surface. When installed on the mounting surface, the antenna has a low profile with respect to the mounting surface.

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Franklin, MA, United States of America

Eugene C Cullie