The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 27, 1994
Filed:
Jul. 02, 1993
Peter P Blunden, Lincolnshire, GB;
David A Williams, Lincolnshire, GB;
Plessey SemiConductors Limited, Wiltshire, GB;
Abstract
A transponder tag operative in the UHF range and including a substrate of dielectric material having formed on one side a conductive surface providing a ground plane and a dipole antenna, a slot line within the ground plane forming a balanced antenna feeder and leading to the center of the dipole antenna, and the substrate having mounted on the side of the substrate opposite to the one side a transmission line feeder positioned for electromagnetic coupling with the slot line, the transmission line feeder being coupled to transceiver circuit and processing circuit mounted on the opposite side for performing a transponding function.