Patents by Inventor William Hendrik Hofmeyr

William Hendrik Hofmeyr 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: 8087586
    Abstract: Disclosed is a transponder of a radio frequency identification system. Connected to a controller is a memory storing r-pages of k-bits of data. A first page includes an ID code relating to an integrated chip forming part of the transponder. The controller is configured, after the transponder has been interrogated by a reader, automatically and on a transponder talk only basis, to transmit transponder ID data including a concatenation of pages. Each page is led by a respective m-bit header. The header includes: (a) a first part having a random number, (b) a second part having for the first page in the ID data, a total number of pages in the ID data and for any subsequent page, a page number of the page in the memory and; (c) a third part having a sequential number for the page in the ID data.
    Type: Grant
    Filed: September 20, 2007
    Date of Patent: January 3, 2012
    Assignee: IPICO South Africia (Pty) Limited
    Inventors: Albertus Jacobus Pretorius, Hendrik Lodewyk Van Eeden, William Hendrik Hofmeyr
  • Publication number: 20100019039
    Abstract: Disclosed is a transponder of a radio frequency identification system. Connected to a controller is a memory storing r-pages of k-bits of data. A first page includes an ID code relating to an integrated chip forming part of the transponder. The controller is configured, after the transponder has been interrogated by a reader, automatically and on a transponder talk only basis, to transmit transponder ID data including a concatenation of pages. Each page is led by a respective m-bit header. The header includes: (a) a first part having a random number, (b) a second part having for the first page in the ID data, a total number of pages in the ID data and for any subsequent page, a page number of the page in the memory and; (c) a third part having a sequential number for the page in the ID data.
    Type: Application
    Filed: September 20, 2007
    Publication date: January 28, 2010
    Applicant: IPICO SOUTH AFRICA (PTY) LIMITED
    Inventors: Albertus Jacobus Pretorius, Hendrik Lodewyk Van Eeden, William Hendrik Hofmeyr