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:
Jul. 21, 2015
Filed:
Mar. 05, 2010
Derk Jan Roosenboom, Haaksbergen, NL;
Jan Cornelis Stekelenburg, Winterswijk, NL;
Derk Jan Roosenboom, Haaksbergen, NL;
Jan Cornelis Stekelenburg, Winterswijk, NL;
N.V. NEDERLANDSCHE APPARATENFABRICK NEDAP, Groenlo, NL;
Abstract
An antenna unit provided with an antenna which comprises at least one turn, wherein the antenna unit is further provided with an electronic circuit which is connected with the antenna, wherein the electronic circuit comprises connection contacts for connecting the antenna unit with a transmitting device, wherein the electronic circuit is arranged to draw energy from a transmission signal which is supplied to the connection contacts and, utilizing this energy, to tune the antenna unit such that this antenna unit has an impedance which has at least substantially no imaginary component in use of the transmission signal concerned.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile