Annular antenna and transponder apparatus and method of disposition in pneumatic tires

An annular antenna loop (32) is electrically coupled to a transponder (34). The antenna (32) and the transponder (34) are at least partially embedded into a non-conductive carrier strip (36) to form a ring assembly (10) to render the antenna (32) and transponder (34) package unitarily transportable....

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Bibliographische Detailangaben
Hauptverfasser:	POLLACK, RICHARD STEPHEN, LOGAN, BRIAN MATTHEW, BENEDICT, ROBERT LEON, JOHNSON, DAVID ALLAN, TUBB, GARY EDWIN, SCHNEIDER, CHRISTIAN JOHANN KARL JOSEF, LETKOMILLER, JOSEPH MICHAEL, PARSONS, ANTHONY WILLIAM, HILLENMAYER, FRANZ JOSEF
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS DEVICES OR ARRANGEMENTS RELATED TO TYRES ELECTRICITY MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE PERFORMING OPERATIONS PHYSICS REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL SIGNALLING TESTING TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION VEHICLE TYRES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	An annular antenna loop (32) is electrically coupled to a transponder (34). The antenna (32) and the transponder (34) are at least partially embedded into a non-conductive carrier strip (36) to form a ring assembly (10) to render the antenna (32) and transponder (34) package unitarily transportable. The annular assembly (10) affixes to a tire (12) in a post-manufacture attachment procedure and at a location that minimizes exposure of the annular apparatus (10) to strain and to electro-magnetic interference from the metallic wheel rim (26). An annular apparatus (10) comprises a toroidal body (82) composed of a material having high electromagnetic permeability and the body (82) a through bore 88), an electrical device (34) coupled to the toroidal body (82), and a loop antenna (32) disposed to extend through the through bore (88) in direct magnetic coupled relationship with the toroidal body (82). The loop antenna (32) is in a mechanically de-coupled relationship with the toroidal body (82) and lies substantially in a first plane that intersects the toroidal body opening (88) at a right angle. In one embodiment, the electrical device (34) comprises a transponder (34) for monitoring cavity parameters in a pneumatic tire (12).