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    • 3. 发明申请
    • A METHOD AND SYSTEM FOR RECORDING DATA ON AN OPTICAL DISC BY A PLURALITY OF LASER BEAMS
    • 一种用多个激光束记录光盘上的数据的方法和系统
    • WO2007046040A2
    • 2007-04-26
    • PCT/IB2006053745
    • 2006-10-12
    • KONINKL PHILIPS ELECTRONICS NVCHEN DAYUGOOSSENS HENK
    • CHEN DAYUGOOSSENS HENK
    • G11B7/14G11B7/00456
    • The invention relates to a system and method of recording data on an optical disc by a plurality of laser beams positioned along inner tracks to outer tracks of said optical disc, said optical disc comprising segments each being identified by a start of segment, said method comprising the steps of: switching writing on (710) successively each laser beam at different starts of segments for recording data, switching writing off (720) successively each laser beam arriving at the start of a segment previously recorded by another laser beam, detecting (730) when only one laser beam remains writing on, detecting (740) a subsequent start of a segment accessed by said one laser beam, switching writing off (750) said one laser beam, shifting (760) all the laser beams so that the innermost laser beam gets positioned at said subsequent start.
    • 本发明涉及一种通过多个激光束在光盘上记录数据的系统和方法,所述多个激光束沿着所述光盘的内轨道到外轨道定位,所述光盘包括分段,每个分段由分段的起点标识,所述方法包括 以下步骤:在记录数据的段的不同开始处连续地写入(710)每个激光束,连续地切断(720)每个激光束到达先前由另一激光束记录的段的开始处,检测(730) )当只有一个激光束保持写入时,检测(740)随后的由所述一个激光束访问的段的开始,切断(750)所述一个激光束,切换(760)所有激光束,使得最内侧的 激光束被定位在所述随后的开始处。
    • 4. 发明申请
    • METHOD AND SYSTEM FOR MAGNETIC INDUCTION TOMOGRAPHY
    • 用于磁感应造影的方法和系统
    • WO2010029465A3
    • 2011-05-12
    • PCT/IB2009053817
    • 2009-09-02
    • KONINKL PHILIPS ELECTRONICS NVYAN MINGCHEN DAYUJIN HUA
    • YAN MINGCHEN DAYUJIN HUA
    • G01V3/10
    • G01V3/104A61B5/0522A61B5/0536
    • The invention relates to a method and a system for magnetic induction tomography, the system comprising: at least one transmitting coil (312, 314) for generating a primary magnetic field to be applied to the object of interest (301); and at least one measurement coil arrangement (315, 317) for measuring electric signals induced by a secondary magnetic field which is generated by the object of interest in response to the primary magnetic field, wherein the at least one measurement coil arrangement comprises a plurality of measurement coils which are positioned in substantially the same plane. By using a plurality of independent measurement coils positioned in a plane so as to replace a conventional single measurement coil, the measurement coil across which the measured difference voltage is most sensitive to a change of the secondary magnetic field can be selected for calculating the change of conductivity distribution, resulting in an improved sensitivity of a MIT system.
    • 本发明涉及一种用于磁感应断层摄影的方法和系统,该系统包括:用于产生要施加到感兴趣对象(301)的主磁场的至少一个发射线圈(312,314); 以及用于测量由所述感兴趣对象响应于所述主磁场产生的次级磁场感应的电信号的至少一个测量线圈装置(315,317),其中所述至少一个测量线圈装置包括多个 测量线圈位于基本相同的平面中。 通过使用位于平面中的多个独立的测量线圈来代替常规的单个测量线圈,可以选择测量的差分电压对次级磁场的变化最敏感的测量线圈,以计算 电导率分布,导致MIT系统的灵敏度提高。
    • 5. 发明申请
    • COIL ARRANGEMENT AND MAGNETIC INDUCTION TOMOGRAPHY SYSTEM COMPRISING SUCH A COIL ARRANGEMENT
    • 包括这种线圈布置的线圈布置和磁感应感应系统
    • WO2010052609A3
    • 2011-04-21
    • PCT/IB2009054766
    • 2009-10-28
    • KONINKL PHILIPS ELECTRONICS NVCHEN DAYUYAN MINGJIN HUA
    • CHEN DAYUYAN MINGJIN HUA
    • G01V3/10
    • G01V3/104
    • The invention relates to a coil arrangement comprising at least one transmitting coil for generating a primary magnetic field; and a plurality of measurement coils; wherein the at least one transmitting coil (408, 409) and the plurality of measurement coils (410, 411) are arranged in such a way that the flux curve of the primary magnetic field generated by a transmitting coil (409) among said at least one transmitting coil (408, 409) passes into and out of a first measurement coil (410) among said plurality of measurement coils (410, 411), the first measurement coil being the coil closest to the transmitting coil. By enabling the flux of the primary magnetic field to pass into and out of a first measurement coil, the signal induced on the first measurement coil by the positive and negative flux can be compensated, resulting in a reduction of the signal strength of the induced signal on the measurement coil and the signal dynamic range.
    • 本发明涉及一种线圈装置,其包括至少一个用于产生初级磁场的传输线圈; 和多个测量线圈; 其中所述至少一个发射线圈(408,409)和所述多个测量线圈(410,411)以这样的方式布置,使得由所述至少一个发射线圈(409)产生的所述初级磁场的磁通曲线 一个发射线圈(408,409)在所述多个测量线圈(410,411)之间进入和离开第一测量线圈(410),第一测量线圈是最靠近发射线圈的线圈。 通过使一次磁场的磁通量能够通过和流出第一测量线圈,可以补偿在第一测量线圈上由正和负磁通感应的信号,导致感应信号的信号强度的降低 在测量线圈和信号动态范围内。
    • 6. 发明专利
    • DE602006013870D1
    • 2010-06-02
    • DE602006013870
    • 2006-11-14
    • KONINKL PHILIPS ELECTRONICS NV
    • CHEN DAYUGOOSSENS HENK
    • G11B7/14
    • The invention relates to a method and system for recording data by a plurality of laser beams (A, B) on an optical disc, said optical disc comprising segments which (1-51) are each identified by a synchronization pattern, said plurality of laser beams comprising at least a first laser beam (A) which has a first position on said optical disc for recording/reading data on a first segment and a second laser beam (B) which has a second position on said optical disc for recording data on a second segment, said method comprising the steps of: —calculating (410) said second position from said first position and the relative distance between said first laser beam and said second laser beam, —detecting (420) a synchronization pattern by said second laser beam, and —starting (430) to record data with said second laser beam on the basis of said second position and said detected synchronization pattern.
    • 8. 发明专利
    • AT465489T
    • 2010-05-15
    • AT06821422
    • 2006-11-14
    • KONINKL PHILIPS ELECTRONICS NV
    • CHEN DAYUGOOSSENS HENK
    • G11B7/14
    • The invention relates to a method and system for recording data by a plurality of laser beams (A, B) on an optical disc, said optical disc comprising segments which (1-51) are each identified by a synchronization pattern, said plurality of laser beams comprising at least a first laser beam (A) which has a first position on said optical disc for recording/reading data on a first segment and a second laser beam (B) which has a second position on said optical disc for recording data on a second segment, said method comprising the steps of: —calculating (410) said second position from said first position and the relative distance between said first laser beam and said second laser beam, —detecting (420) a synchronization pattern by said second laser beam, and —starting (430) to record data with said second laser beam on the basis of said second position and said detected synchronization pattern.