-
1.发明公开Information recording-reproducing method and magneto-optical medium 审中-公开Verfahren zur Informationsaufzeichnung / -wiedergabe und magnetooptisches Medium
公开(公告)号：EP0899726A3
公开(公告)日：2000-03-15
申请号：EP98306870.1
申请日：1998-08-27
IPC分类号： G11B11/10
CPC分类号： G11B11/10508 , G11B11/10515 , G11B11/10528 , G11B11/10586
摘要： Disclosed herein is an information recording-reproducing method, wherein a domain wall is displaced on a recording medium in which information has been recorded, thereby conducting the reproduction of the information, the method comprising, projecting a light spot on the recording medium, relatively moving the light spot and the recording medium, applying a magnetic field modulated according to the information to the site projected by the light spot to form record marks the maximum mark length of which is at most 0.15 times the spot size of the light spot and displacing the domain wall from the front to the back of the moving direction of the light spot by a temperature distribution formed on the recording medium by the light spot, and at the same time detecting the displacement of the domain wall from reflected light of the light spot, thereby detecting the record marks.
摘要翻译： 本文公开了一种信息记录再现方法，其中域壁在已经记录信息的记录介质上移位，从而进行信息的再现，该方法包括：将光点投影在记录介质上，相对移动 光点和记录介质，将根据该信息调制的磁场施加到由光点投射的位置，以形成最大标记长度为光斑大小的至多0.15倍的记录标记， 通过由光点在记录介质上形成的温度分布，从光斑的移动方向的前方到后方的畴壁，同时检测畴壁从光斑的反射光的位移， 从而检测记录标记。
-
公开(公告)号：EP2431749B1
公开(公告)日：2016-10-26
申请号：EP11158395.1
申请日：2011-03-16
CPC分类号： G01P3/68 , G01D5/2451 , G01D5/34746 , G01P3/486 , G03G15/5054 , G03G2215/0158
-
3.发明公开
公开(公告)号：EP0899726A2
公开(公告)日：1999-03-03
申请号：EP98306870.1
申请日：1998-08-27
IPC分类号： G11B11/10
CPC分类号： G11B11/10508 , G11B11/10515 , G11B11/10528 , G11B11/10586
摘要： Disclosed herein is an information recording-reproducing method, wherein a domain wall is displaced on a recording medium in which information has been recorded, thereby conducting the reproduction of the information, the method comprising, projecting a light spot on the recording medium, relatively moving the light spot and the recording medium, applying a magnetic field modulated according to the information to the site projected by the light spot to form record marks the maximum mark length of which is at most 0.15 times the spot size of the light spot and displacing the domain wall from the front to the back of the moving direction of the light spot by a temperature distribution formed on the recording medium by the light spot, and at the same time detecting the displacement of the domain wall from reflected light of the light spot, thereby detecting the record marks.
-
4.发明公开Magneto-optical recording apparatus having means for delaying an input signal for preventing bit shift 失效磁光记录设备包括用于延迟所述输入信号以防止比特移位的装置。
公开(公告)号：EP0387052A2
公开(公告)日：1990-09-12
申请号：EP90302466.9
申请日：1990-03-08
CPC分类号： G11B11/10508 , G11B11/1053
摘要： An apparatus for recording an input signal on a magneto-optical recording medium comprises an optical head for applying a light beam to the medium, a circuit for delaying the input signal by a time for preventing a bit recorded on the medium from shifting relative to the input signal, a magnetic head for applying a magnetic field modulated in conformity with the delayed signal to that portion of the medium to which the light beam is applied, and a mortor for moving the medium relative to the light beam.
摘要翻译： 用于施加光束到培养基中，用于通过时间为从相对于所述移动防止记录在介质上的位延迟输入信号的电路对光学头的磁 - 光记录介质包括输入信号的记录的装置 输入信号，一个磁头，用于将磁场施加符合调制与延迟的信号到没有到其中光束应用的介质中的部分，和用于相对于所述光束移动介质一个mortor。
-
公开(公告)号：EP2431749A3
公开(公告)日：2015-01-21
申请号：EP11158395.1
申请日：2011-03-16
CPC分类号： G01P3/68 , G01D5/2451 , G01D5/34746 , G01P3/486 , G03G15/5054 , G03G2215/0158
摘要： A displacement measuring apparatus including: a first light detector including a first emitter illuminating optically identifiable marks disposed on a moving body, and a first light receiver detecting light through the marks; a second light detector including a second emitter illuminating the marks and a second light receiver detecting light through the marks, wherein the second light detector is arranged at a predetermined interval from the first light detector in a moving direction of the moving body; an identical point detecting unit detecting a first timing at which the first and second light detector detecting an identical mark among the marks, and a second timing; a velocity calculating unit calculating a velocity of the moving body by using the first and second timing determined by the identical point detecting unit; and a time-sharing light emitting unit allowing the first and second emitter to emit the light in a time-sharing manner.
-
公开(公告)号：EP2431749A2
公开(公告)日：2012-03-21
申请号：EP11158395.1
申请日：2011-03-16
CPC分类号： G01P3/68 , G01D5/2451 , G01D5/34746 , G01P3/486 , G03G15/5054 , G03G2215/0158
摘要： A displacement measuring apparatus including: a first light detector including a first emitter illuminating optically identifiable marks disposed on a moving body, and a first light receiver detecting light through the marks; a second light detector including a second emitter illuminating the marks and a second light receiver detecting light through the marks, wherein the second light detector is arranged at a predetermined interval from the first light detector in a moving direction of the moving body; an identical point detecting unit detecting a first timing at which the first and second light detector detecting an identical mark among the marks, and a second timing; a velocity calculating unit calculating a velocity of the moving body by using the first and second timing determined by the identical point detecting unit; and a time-sharing light emitting unit allowing the first and second emitter to emit the light in a time-sharing manner.
摘要翻译： 1.一种位移测量装置，包括：第一光检测器，包括第一发射器，其照射设置在移动体上的光学识别标记;以及第一光接收器，用于检测通过所述标记的光; 第二光检测器，其包括照射标记的第二发射体和通过标记检测光的第二光接收器，其中第二光检测器沿着移动体的移动方向从第一光检测器以预定间隔布置; 相同的点检测单元，检测第一和第二光检测器在标记之间检测相同标记的第一定时和第二定时; 速度计算单元，通过使用由同一点检测单元确定的第一和第二定时来计算移动体的速度; 以及分时发光单元，其允许第一和第二发射器以分时方式发光。
-
7.发明授权Magneto-optical recording apparatus having means for delaying an input signal for preventing bit shift 失效磁光记录设备包括用于延迟所述输入信号以防止比特移位的装置。
公开(公告)号：EP0387052B1
公开(公告)日：1995-09-20
申请号：EP90302466.9
申请日：1990-03-08
CPC分类号： G11B11/10508 , G11B11/1053
-
8.发明公开Magneto-optical recording apparatus having means for delaying an input signal for preventing bit shift 失效具有用于延迟输入信号以防止位移的装置的磁光记录装置
公开(公告)号：EP0387052A3
公开(公告)日：1990-12-05
申请号：EP90302466.9
申请日：1990-03-08
CPC分类号： G11B11/10508 , G11B11/1053
摘要： An apparatus for recording an input signal on a magneto-optical recording medium comprises an optical head for applying a light beam to the medium, a circuit for delaying the input signal by a time for preventing a bit recorded on the medium from shifting relative to the input signal, a magnetic head for applying a magnetic field modulated in conformity with the delayed signal to that portion of the medium to which the light beam is applied, and a mortor for moving the medium relative to the light beam.
-
-
-
-
-
-
-
搜索结果
8 条记录 (耗时 0.014 秒)
