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:
Sep. 03, 2013
Filed:
Jun. 30, 2006
Timo Varpula, Vantaa, FI;
Kaj Nummila, Espoo, FI;
Kaarle Jaakkola, Helsinki, FI;
Pentti Lajunen, Kotka, FI;
Timo Varpula, Vantaa, FI;
Kaj Nummila, Espoo, FI;
Kaarle Jaakkola, Helsinki, FI;
Pentti Lajunen, Kotka, FI;
Valtion Teknillinen Tutkimiskeskus, Espoo, FI;
Abstract
The invention relates to a measuring system for detecting radio-frequency tags, a measuring method, and a new use for a leaky waveguide. The measuring system comprises a reading device and an antenna, which is connected to reading device for connecting to the tags. According to the invention, the antenna is a microstrip-type leaky waveguide having a length which is several times the operating wavelength of the tags. The invention permits reliable and precise RFID detection, for example, for a results service for sports events.