Patents by Inventor Paul Gruijters

Paul Gruijters 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).

  • DUAL-MODE ELECTRONIC DEVICE
    Publication number: 20210076322
    Abstract: An electronic device able to communicate using both a long-range and a short-range wireless communication technology. A transceiver of the electronic device switches its operation mode based on a power saving mode of the long-range wireless communication technology. In particular, the electronic device switches between a short-range mode and a long-range mode based on the power saving mode of the long-range communication technology.
    Type: Application
    Filed: January 4, 2019
    Publication date: March 11, 2021
    Inventors: DAN JIANG, PAUL GRUIJTERS, DONG HAN, JIN YU, YUTING ZHANG
  • Coexistence of modulation schemes in a WLAN
    Patent number: 7471667
    Abstract: A local area network is provided where an OFDM station and DSSS/CCK station coexist. During a contention-free period both stations operate under the point coordination function rules as defined in the IEEE 802.11 specification. Both stations transmit data when polled by the access point. The contention-free period comprises a sub-contention period during which only the OFDM station communicate. During the sub-contention period the OFDM station operates under the distributed coordination function while the DSSS/CCK station waits to be polled by the access point before starting to communicate.
    Type: Grant
    Filed: February 19, 2002
    Date of Patent: December 30, 2008
    Assignee: NXP B.V.
    Inventors: Olaf Hirsch, Atul Kumar Garg, Sunghyun Choi, Abraham Jan de Bart, Paul Gruijters
  • Coexistence of OFDM and DSSS/CCK stations in a WLAN
    Publication number: 20030128659
    Abstract: A local area network is provided where OFDM stations and DSSS/CCK only stations coexist. Before transmitting, an OFDM station learns of the modulation capability of an intended receiving station. If the receiving station is only capable of DSSS/CCK modulation then the OFDM station transmits DSSS/CCK modulated data. If the receiving station is capable of OFDM modulation, then the OFDM station transmits OFDM modulated data thereby enabling efficient bandwidth usage.
    Type: Application
    Filed: February 22, 2002
    Publication date: July 10, 2003
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.
    Inventors: Olaf Josef Hirsch, Atul Kumar Garg, Sunghyun Choi, Abraham Jan de Bart, Paul Gruijters
  • Coexistence of modulation schemes in a WLAN
    Publication number: 20030128684
    Abstract: A local area network is provided where an OFDM station and DSSS/CCK station coexist. During a contention-free period both stations operate under the point coordination function rules as defined in the IEEE 802.11 specification. Both stations transmit data when polled by the access point. The contention-free period comprises a sub-contention period during which only the OFDM station communicate. During the sub-contention period the OFDM station operates under the distributed coordination function while the DSSS/CCK station waits to be polled by the access point before starting to communicate.
    Type: Application
    Filed: February 19, 2002
    Publication date: July 10, 2003
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.
    Inventors: Olaf Jose F. Hirsch, Atul Kumar Garg, Sunghyun Choi, Abraham Jan de Bart, Paul Gruijters