Patents by Inventor Matti Ritamäki

Matti Ritamäki 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).

  • Patent number: 10276071
    Abstract: A safety lock (100) comprising a transponder (1) and a shackle (2). The transponder (1) comprises an inlay (10) including an IC (13) and antenna coupling elements (14). The inlay (10) is arranged in a base member (8). The safety lock (100) further comprises a housing (6), wherein the base member (8) comprises a reduction zone (9) the mechanical strength of which is reduced compared to portions of the base member (8) next to said reduction zone (9). The reduction zone (9) is arranged under the IC (13) and/or the antenna coupling elements (14) of the inlay (10). The force striving the shackle (2) from the locked state to the open state is arranged to being transmitted to the reduction zone (9).
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: April 30, 2019
    Assignee: Confidex OY
    Inventors: Matti Ritamäki, Heikki Ahokas
  • Publication number: 20180025673
    Abstract: A safety lock (100) comprising a transponder (1) and a shackle (2). The transponder (1) comprises an inlay (10) including an IC (13) and antenna coupling elements (14). The inlay (10) is arranged in a base member (8). The safety lock (100) further comprises a housing (6), wherein the base member (8) comprises a reduction zone (9) the mechanical strength of which is reduced compared to portions of the base member (8) next to said reduction zone (9). The reduction zone (9) is arranged under the IC (13) and/or the antenna coupling elements (14) of the inlay (10). The force striving the shackle (2) from the locked state to the open state is arranged to being transmitted to the reduction zone (9).
    Type: Application
    Filed: February 9, 2016
    Publication date: January 25, 2018
    Inventors: MATTI RITAMÄKI, Heikki Ahokas
  • Patent number: 9858521
    Abstract: An RFID transponder (100), comprising a printable surface (1), an antenna element (2), an IC (3), and a ground plane (4) arranged under the antenna element (2). The ground plane (4) comprises one or more opening(s) (6) through said ground plane (4) for enabling near field communication through the ground plane (4).
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: January 2, 2018
    Assignee: Confidex OY
    Inventors: Matti Ritamäki, Heikki Ahokas, Miika Pylvänäinen
  • Publication number: 20170316299
    Abstract: An RFID transponder (100), comprising a printable surface (1), an antenna element (2), an IC (3), and a ground plane (4) arranged under the antenna element (2). The ground plane (4) comprises one or more opening(s) (6) through said ground plane (4) for enabling near field communication through the ground plane (4).
    Type: Application
    Filed: October 14, 2014
    Publication date: November 2, 2017
    Inventors: MATTI RITAMÄKI, Heikki Ahokas, MIIKA PYLVÄNÄINEN
  • Patent number: 8794531
    Abstract: The present invention relates to a radio frequency identification tag which is adapted to work at a frequency between 850 MHz and 950 MHz. The tag may comprise a planar inverted F antenna, a loop antenna, or a dual patch antenna.
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: August 5, 2014
    Assignee: Confidex Oy
    Inventors: Matti Ritamäki, Marko Hanhikorpi, Heikki Ahokas, Lari Kytölä
  • Publication number: 20110248833
    Abstract: An RFID system comprising: an RFID tag, an exciter, and an RFID reader. The RFID tag is an active RFID tag operating at an UHF band and being connected to an energy source for energizing the RFID tag, the RFID tag further comprising at least one tag antenna for wireless communication at an UHF band with the RFID reader, wherein the RFID tag is configured to have a semi-passive state and a ready state, the semi-passive state being arranged to change into the ready state by an UHF (Ultra High Frequency) wake-up signal received by the tag antenna, and said RFID reader comprising at least one antenna for wireless communication with the tag antenna, the exciter being arranged to generate and send the UHF wake up signal for changing the RFID tag from the semi-passive state to the ready state, and the RFID reader sending and/or receiving data with the RFID tag in the ready state.
    Type: Application
    Filed: April 8, 2011
    Publication date: October 13, 2011
    Applicant: Confidex Oy
    Inventor: Matti Ritamäki
  • Patent number: 7975414
    Abstract: This relates to a label to be attached to a surface, the label comprising a transponder. The label comprises a non-adherent flap which contains the transponder. This also relates to a web comprising a backing web and labels, and to a system comprising a surface and a label.
    Type: Grant
    Filed: September 2, 2005
    Date of Patent: July 12, 2011
    Assignee: UPM Raflatac Oy
    Inventors: Matti Ritamäki, Samuli Strömberg, Marko Hanhikorpi, Jarkko Miettinen, Lari Kytölä
  • Publication number: 20100213264
    Abstract: An RFID tag to be attached to an item, and a method. The tag comprises an antenna and an integrated circuit. The RFID tag further comprises a substrate on which the antenna is attached. The substrate is construed to form a stand-off relation between the item and the antenna when buried inside of the material of the item.
    Type: Application
    Filed: October 15, 2008
    Publication date: August 26, 2010
    Applicant: CONFIDEX OY
    Inventors: Heikki Ahokas, Matti Ritamäki, Marko Hanhikorpi