Patents by Inventor Pentti Lajunen

Pentti Lajunen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Measurement system, measurement method and new use of antenna
    Patent number: 8525647
    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.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: September 3, 2013
    Assignee: Valtion Teknillinen Tutkimiskeskus
    Inventors: Timo Varpula, Kaj Nummila, Kaarle Jaakkola, Pentti Lajunen
  • Measurement System, Measurement Method and New Use of Antenna
    Publication number: 20090160612
    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.
    Type: Application
    Filed: June 30, 2006
    Publication date: June 25, 2009
    Applicant: Valtion Teknillinen Tutkimuskeskus
    Inventors: Timo Varpula, Kaj Nummila, Kaarle Jaakkola, Pentti Lajunen