Patents by Inventor Aloysius Michael Josephus Maria Spruijt

Aloysius Michael Josephus Maria Spruijt 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).

  • Method for generating a binary signal having a predetermined spectral shape
    Patent number: 7263052
    Abstract: The invention relates to a method for generating a primary binary signal having a predetermined spectral shape in a predetermined frequency range, in particular having a notch in the power spectrum in a predetermined frequency range. In order to avoid crosstalk between a primary binary signal and a secondary binary signal it is proposed according to the invention that data-words are modulated into channel-words forming the channel bitstream of the primary binary signal and that the modulation of the data-words is chosen such that the predetermined spectral shape of the channel bitstream of the primary binary signal is achieved by using an evaluation criterion based on a spectral weight function the shape of which is tailored to the spectral extent of the channel bitstream of a secondary binary signal.
    Type: Grant
    Filed: September 18, 2003
    Date of Patent: August 28, 2007
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Willem Marie Julia Marcel Coene, Job Cornelis Oostveen, Aloysius Michael Josephus Maria Spruijt, Paulus Reinier Joannes Van Roosmalen, Jan Harm De Boer
  • Record carrier, playback apparatus and information system comprising a record carrier and a playback apparatus
    Patent number: 7068574
    Abstract: An information system according to the invention comprises a record carrier and a playback apparatus. The record carrier has information marks along a track thereof and exhibits first variations caused by existence and nonexistence of the information marks along the track. The first variations represent an information signal recorded on said record carrier. The record carrier further exhibits second variations caused by variations associated with the information marks. The phase of the second variations is coupled to the phase of the first variations.
    Type: Grant
    Filed: July 2, 2001
    Date of Patent: June 27, 2006
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Job Cornelis Oostveen, Willem Marie Julia Marcel Coene, Jan Harm De Boer, Franciscus Antonius Johannes Kamperman, Aloysius Michael Josephus Maria Spruijt, Paulus Reinier Joannes Van Roosmalen
  • Method for generating a binary signal having a predetermined spectral shape
    Publication number: 20040062169
    Abstract: The invention relates to a method for generating a primary binary signal having a predetermined spectral shape in a predetermined frequency range, in particular having a notch in the power spectrum in a predetermined frequency range. In order to avoid crosstalk between a primary binary signal and a secondary binary signal it is proposed according to the invention that data-words are modulated into channel-words forming the channel bitstream of the primary binary signal and that the modulation of the data-words is chosen such that the predetermined spectral shape of the channel bitstream of the primary binary signal is achieved by using an evaluation criterion based on a spectral weight function the shape of which is tailored to the spectral extent of the channel bitstream of a secondary binary signal.
    Type: Application
    Filed: September 18, 2003
    Publication date: April 1, 2004
    Inventors: Willem Marie Julia Marcel Coene, Job Cornelis Oostveen, Aloysius Michael Josephus Maria Spruijt, Paulus Reinier Joannes Van Roosmalen, Jan Harm De Boer
  • Method for generating a binary signal having a predetermined spectral shape
    Patent number: 6654332
    Abstract: The invention relates to a method for generating a primary binary signal having a predetermined spectral shape in a predetermined frequency range, in particular having a notch in the power spectrum in a predetermined frequency range. In order to avoid crosstalk between a primary binary signal and a secondary binary signal it is proposed according to the invention that data-words are modulated into channel-words forming the channel bitstream of the primary binary signal and that the modulation of the data-words is chosen such that the predetermined spectral shape of the channel bitstream of the primary binary signal is achieved by using an evaluation criterion based on a spectral weight function the shape of which is tailored to the spectral extent of the channel bitstream of a secondary binary signal.
    Type: Grant
    Filed: August 14, 2001
    Date of Patent: November 25, 2003
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Willem Marie Julia Marcel Coene, Job Cornelis Oostveen, Aloysius Michael Josephus Maria Spruijt, Paulus Reinier Joannes Van Roosmalen, Jan Harm De Boer
  • Method for generating a binary signal having a predetermined spectral shape
    Publication number: 20020041550
    Abstract: The invention relates to a method for generating a primary binary signal having a predetermined spectral shape in a predetermined frequency range, in particular having a notch in the power spectrum in a predetermined frequency range. In order to avoid crosstalk between a primary binary signal and a secondary binary signal it is proposed according to the invention that data-words are modulated into channel-words forming the channel bitstream of the primary binary signal and that the modulation of the data-words is chosen such that the predetermined spectral shape of the channel bitstream of the primary binary signal is achieved by using an evaluation criterion based on a spectral weight function the shape of which is tailored to the spectral extent of the channel bitstream of a secondary binary signal.
    Type: Application
    Filed: August 14, 2001
    Publication date: April 11, 2002
    Inventors: Willem Marie Julia Marcel Coene, Job Cornelis Oostveen, Aloysius Michael Josephus Maria Spruijt, Paulus Reinier Joannes Van Roosmalen, Jan Harm De Boer
  • Record carrier, playback apparatus and information system comprising a record carrier and a playback apparatus
    Publication number: 20020031064
    Abstract: An information system according to the invention comprises a record carrier (1) and a playback apparatus (20). The record carrier has information marks along a track (11) thereof and exhibits first variations caused by existence and nonexistence of the information marks along the track. The first variations represent an information signal recorded on said record carrier. The record carrier further exhibits second variations (W) caused by variations associated with the information marks. The phase of the second variations is coupled to the phase of the first variations.
    Type: Application
    Filed: July 2, 2001
    Publication date: March 14, 2002
    Inventors: Job Cornelis Oostveen, Willem Marie Julia Marcel Coene, Jan Harm De Boer, Franciscus Antonius Johannes Kamperman, Aloysius Michael Josephus Maria Spruijt, Paulus Reinier Joannes Van Roosmalen
  • Record carrier, playback apparatus and information system comprising a record carrier and a playback apparatus
    Patent number: RE44678
    Abstract: An information system according to the invention comprises a record carrier and a playback apparatus. The record carrier has information marks along a track thereof and exhibits first variations caused by existence and nonexistence of the information marks along the track. The first variations represent an information signal recorded on said record carrier. The record carrier further exhibits second variations caused by variations associated with the information marks. The phase of the second variations is coupled to the phase of the first variations.
    Type: Grant
    Filed: June 13, 2008
    Date of Patent: December 31, 2013
    Assignee: Koninklijke Philips N.V.
    Inventors: Job Cornelis Oostveen, Willem Marie Julia Marcel Coene, Jan Harm Boer, Franciscus Lucas Antonius Johannes Kamperman, Aloysius Michael Josephus Maria Spruijt, Paulus Reinier Joannes Van Roosmalen