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1.发明授权Method and apparatus for reading multiple tracks and writing at least one track of an optical disk 失效用于读取多个轨道并写入光盘的至少一个轨道的方法和装置公开(公告)号：US06314071B1
公开(公告)日：2001-11-06
申请号：US09026736
申请日：1998-02-20
Applicant: Amir Alon , Tatiana Kosoburd , Shlomo Shapira , Michael Naor , Joseph Kedmi
Inventor： Amir Alon , Tatiana Kosoburd , Shlomo Shapira , Michael Naor , Joseph Kedmi
IPC: G11B709
CPC classification number: G11B7/126 , G02F1/216 , G02F2201/305 , G11B7/127 , G11B7/1353 , G11B7/1356 , G11B7/1369 , G11B7/14 , G11B2007/13727
Abstract: The present invention provides an optical system having a read mode, during which multiple tracks of an optical disk are simultaneously read, and a write mode, during which data is written to at least one track of the optical disk. The multiple light beams employed during read mode may be generated by a single laser diode operated at low power used in combination with a diffractive element, multiple laser diodes, or combinations thereof.
Abstract translation: 本发明提供了一种具有读取模式的光学系统，在该模式期间，同时读取光盘的多个轨道以及写入模式，在该模式期间，将数据写入光盘的至少一个轨道。 在读取模式期间使用的多个光束可以由与衍射元件，多个激光二极管或其组合组合使用的以低功率操作的单个激光二极管产生。
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2.发明授权Method and apparatus for generating focus error signals in a multi-beam optical disk drive 失效用于在多光束光盘驱动器中产生聚焦误差信号的方法和装置公开(公告)号：US06229771B1
公开(公告)日：2001-05-08
申请号：US09169212
申请日：1998-10-09
Applicant: Tatiana Kosoburd , Amir Alon , Shlomo Shapira , Michael Naor
Inventor： Tatiana Kosoburd , Amir Alon , Shlomo Shapira , Michael Naor
IPC: G11B7095
CPC classification number: G11B7/131 , G11B7/0909 , G11B7/0943 , G11B7/133 , G11B7/1353 , G11B7/14
Abstract: A focus detection system for use in a multi-beam optical pickup assembly is provided that uses an optical element, either a holographic element or diffractive element, to split beams reflected off of a data-bearing surface of an optical disk into a plurality of data beams and a plurality of focus beams. The optical element also introduces astigmatism into the focus beams. The focus beams are projected onto focus detectors configured to account for overlap between adjacent focus beams to produce an accurate focus error signal.
Abstract translation: 提供了一种用于多光束光学拾取器组件的焦点检测系统，其使用全息元件或衍射元件的光学元件将从光盘的数据承载表面反射的光束分成多个数据 光束和多个聚焦光束。 光学元件还将焦散射入聚焦光束。 聚焦光束被投影到被配置成考虑相邻聚焦光束之间重叠的焦点检测器，以产生准确的聚焦误差信号。
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公开(公告)号：US5793715A
公开(公告)日：1998-08-11
申请号：US558835
申请日：1995-11-15
Applicant: Amir Alon , Shlomo Shapira , Michael Naor , Jacob Finkelstein , Itzhak Katz
Inventor： Amir Alon , Shlomo Shapira , Michael Naor , Jacob Finkelstein , Itzhak Katz
CPC classification number: G11B7/131 , G11B7/08541 , G11B7/14
Abstract: Methods and apparatus are provided for improving optical drive access times using a detector having multiple sensing elements to sense and count disk tracks. The detector may be oriented either radially or tangentially with respect to the disk radius, and either capable of sensing more than one disk location simultaneously or have a length greater than the maximum distance between detectable features of the disk.
Abstract translation: 提供了使用具有多个感测元件的检测器来感测和计数磁盘轨迹来提高光驱访问时间的方法和装置。 检测器可以相对于盘半径径向地或切向地定向，并且能够同时感测多于一个盘位置或者具有大于盘的可检测特征之间的最大距离的长度。
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公开(公告)号：US5774432A
公开(公告)日：1998-06-30
申请号：US842936
申请日：1997-04-25
Applicant: Amir Alon , Jacob Finkelstein , Itzhak Katz , Michael Naor , Shlomo Shapira
Inventor： Amir Alon , Jacob Finkelstein , Itzhak Katz , Michael Naor , Shlomo Shapira
CPC classification number: G11B7/131 , G11B7/0909 , G11B7/0912 , G11B7/094 , G11B7/1372 , G11B7/14
Abstract: Focussing system methods and apparatus are provided for apparatus capable of simultaneously reading multiple tracks of an optical disk. Astigmatism introduced by a cylindrical lens disposed adjacent to the light source, or before the focus detectors arranged at the edge of a wide-area field of illumination, is used to compute an error signal corresponding to the degree of out-of-focus, which error signal is provided to a servo-system that moves the objective lens to correct the focus. An alternative embodiment employs a pair of focus detectors and a pair of micro-lenses having different focal lengths that directs the reflected light onto the focus detectors to generate a focus correction signal. Further alternative embodiments of employing the astigmatism method of focussing are described.
Abstract translation: 提供了能够同时读取光盘的多个轨道的装置的聚焦系统方法和装置。 由与邻近光源设置的柱面透镜或者布置在大面积照明区域的边缘处的焦点检测器之前的散光引入的散光用于计算对应于失焦程度的误差信号，其中 误差信号被提供给移动物镜以校正焦点的伺服系统。 替代实施例采用一对焦点检测器和具有不同焦距的一对微透镜，其将反射光引导到焦点检测器上以产生聚焦校正信号。 描述采用聚焦散光方法的其它替代实施例。
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公开(公告)号：US5708634A
公开(公告)日：1998-01-13
申请号：US531764
申请日：1995-09-20
Applicant: Amir Alon , Jacob Finkelstein , Itzhak Katz , Michael Naor , Shlomo Shapira
Inventor： Amir Alon , Jacob Finkelstein , Itzhak Katz , Michael Naor , Shlomo Shapira
CPC classification number: G11B7/131 , G11B7/0909 , G11B7/0912 , G11B7/094 , G11B7/1372 , G11B7/14
Abstract: Focussing system methods and apparatus are provided for apparatus capable of simultaneously reading multiple tracks of an optical disk. Astigmatism introduced by a cylindrical lens disposed adjacent to the light source, or before the focus detectors arranged at the edge of a wide-area field of illumination, is used to compute an error signal corresponding to the degree of out-of-focus, which error signal is provided to a servo-system that moves the objective lens to correct the focus. An alternative embodiment employs a pair of focus detectors and a pair of micro-lenses having different focal lengths that directs the reflected light onto the focus detectors to generate a focus correction signal. Further alternative embodiments of employing the astigmatism method of focussing are described.
Abstract translation: 提供了能够同时读取光盘的多个轨道的装置的聚焦系统方法和装置。 由与邻近光源设置的柱面透镜或者布置在大面积照明区域的边缘处的焦点检测器之前的散光引入的散光用于计算对应于失焦程度的误差信号，其中 误差信号被提供给移动物镜以校正焦点的伺服系统。 替代实施例采用一对焦点检测器和具有不同焦距的一对微透镜，其将反射光引导到焦点检测器上以产生聚焦校正信号。 描述采用聚焦散光方法的其它替代实施例。
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Patent Agency Ranking
公开(公告)号：US06411573B1
公开(公告)日：2002-06-25
申请号：US09027313
申请日：1998-02-20
Applicant: Amir Alon , Tatiana Kosoburd
Inventor： Amir Alon , Tatiana Kosoburd
IPC: G11B700
CPC classification number: G11B7/1353 , G11B7/14
Abstract: An optical pickup for simultaneously reading a plurality of data tracks of an optical storage medium is provided. The optical pickup uses a diffractive element to split an illumination beam into a plurality of reading beams which are projected onto a plurality of tracks of the optical storage medium. Apparatus and methods are shown for improving the optical characteristics of the optical pickup by reducing vignetting, optical aberrations, and field curvature. These improvements are achieved by relocating the diffractive element at a greater distance from the laser source, so that a diffractive element having a larger period, and a smaller angle between diffractive orders may be used. The apparatus and methods shown also reduce the number of components and the manufacturing cost of the optical pickup.
Abstract translation: 提供了用于同时读取光存储介质的多个数据轨道的光学拾取器。 光学拾取器使用衍射元件将照明光束分成投影到光学存储介质的多个轨道上的多个读取光束。 示出了通过减少渐晕，光学像差和场曲率来改善光学拾取器的光学特性的装置和方法。 这些改进是通过将衍射元件与激光源相距更远的位置重新定位而实现的，从而可以使用具有较大周期的衍射元件和衍射级之间较小的角度。 所示的装置和方法也减少了光学拾取器的部件数量和制造成本。
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7.发明授权
公开(公告)号：US5592444A
公开(公告)日：1997-01-07
申请号：US254187
申请日：1994-06-06
Applicant: Amir Alon , Shlomo Shapira , Itzhak Katz
Inventor： Amir Alon , Shlomo Shapira , Itzhak Katz
CPC classification number: G11B7/127 , G11B7/0045 , G11B7/0901 , G11B7/14
Abstract: A method of writing data simultaneously on a plurality of tracks of an optical disk, comprises providing an array of light sources, each light source being independently modulated, providing means to determine the position of each light source with respect to the center of a given track, and varying the intensity of each light source so as to generate a plurality of writing light beams, each generated by a plurality of adjacent light sources, each of the said light beams having the desired width, intensity and position on the written track.
Abstract translation: 一种在光盘的多个磁道上同时写入数据的方法，包括提供光源阵列，每个光源被独立调制，提供用于确定每个光源相对于给定轨道的中心的位置的装置 并且改变每个光源的强度，以产生由多个相邻光源产生的多个写入光束，每个所述光束在所写入的轨道上具有期望的宽度，强度和位置。
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8.发明授权Optical information system with a broad non-coherent irradiating beam coupled with optical fiber from a laser source 失效具有广泛的非相干照射光束的光学信息系统与来自激光源的光纤耦合
公开(公告)号：US5535189A
公开(公告)日：1996-07-09
申请号：US393802
申请日：1995-02-24
Applicant: Amir Alon , Shlomo Shapira , Itzhak Katz
Inventor： Amir Alon , Shlomo Shapira , Itzhak Katz
CPC classification number: G11B7/131 , G11B7/0901 , G11B7/12 , G11B7/127 , G11B7/128 , G11B7/1362 , G11B7/1384 , G11B7/14
Abstract: A method of reading data from an optical disk comprises providing means for illuminating the required part of the disk and acquiring the optical image of a plurality of tracks, providing a detector matrix comprising a plurality of detectors, each of the detectors being capable of producing an output signal which is proportional to the intensity of the light detected by it causing an optical image corresponding to an illuminated area to fall on the said detector matrix, transferring the output signal of the detector matrix to image processing means, determining position coordinates of the track center for each data track, by analyzing the output signal of the said detector matrix, saving in memory means expected track center data, comprising position coordinates of the track center located by the analysis of the output signal, and if an actually detected track center is shifted with respect to the expected track center, electronically moving the track center position.
Abstract translation: 从光盘读取数据的方法包括：提供用于照亮盘的所需部分并获取多个轨道的光学图像的装置，提供包括多个检测器的检测器矩阵，每个检测器能够产生 输出信号，其与由其检测到的光的强度成比例，使得与照明区域相对应的光学图像落在所述检测器矩阵上，将检测器矩阵的输出信号传送到图像处理装置，确定轨道的位置坐标 通过分析所述检测器矩阵的输出信号，通过分析所述检测器矩阵的输出信号来节省存储装置预期轨道中心数据，包括通过对输出信号的分析定位的轨道中心的位置坐标，以及如果实际检测到的轨道中心是 相对于预期轨道中心移动，电子地移动轨道中心位置。
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公开(公告)号：US5598393A
公开(公告)日：1997-01-28
申请号：US394309
申请日：1995-02-24
Applicant: Amir Alon , Shlomo Shapira , Itzhak Katz
Inventor： Amir Alon , Shlomo Shapira , Itzhak Katz
CPC classification number: G11B7/131 , G11B7/0901 , G11B7/12 , G11B7/127 , G11B7/128 , G11B7/1362 , G11B7/1384 , G11B7/14
Abstract: A method of reading data from an optical disk comprises providing means for illuminating the required part of the disk and acquiring the optical image of a plurality of tracks, providing a detector matrix comprising a plurality of detectors, each of the detectors being capable of producing an output signal which is proportional to the intensity of the light detected by it causing an optical image corresponding to an illuminated area to fall on the detector matrix, transferring the output signal of the detector matrix to image processing means, determining position coordinates of the track center for each data track, by analyzing the output signal of the detector matrix, saving in memory means expected track center data, comprising position coordinates of the track center located by the analysis of the output signal, and if an actually detected track center is shifted with respect to the expected track center, electronically moving the track center position.
Abstract translation: 从光盘读取数据的方法包括：提供用于照亮盘的所需部分并获取多个轨道的光学图像的装置，提供包括多个检测器的检测器矩阵，每个检测器能够产生 输出信号，其与由其检测到的光的强度成比例，使得与照明区域相对应的光学图像落在检测器矩阵上，将检测器矩阵的输出信号传送到图像处理装置，确定轨道中心的位置坐标 对于每个数据轨道，通过分析检测器矩阵的输出信号，保存存储器意味着期望的轨道中心数据，包括通过分析输出信号定位的轨道中心的位置坐标，以及如果实际检测到的轨道中心与 相对于预期的轨道中心，电子地移动轨道中心的位置。
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10.发明授权Reading multiple tracks data with a microscope scanner and a two mirror light beam focus unit 失效用显微镜扫描仪和两个镜子光束聚焦单元读取多个轨迹数据
公开(公告)号：US5537385A
公开(公告)日：1996-07-16
申请号：US394425
申请日：1995-02-24
Applicant: Amir Alon , Shlomo Shapira , Itzhak Katz
Inventor： Amir Alon , Shlomo Shapira , Itzhak Katz
CPC classification number: G11B7/131 , G11B7/0901 , G11B7/12 , G11B7/127 , G11B7/128 , G11B7/1362 , G11B7/1384 , G11B7/14
Abstract: A method of reading data from an optical disk comprises providing means for illuminating the required part of the disk and acquiring the optical image of a plurality of tracks, providing a detector matrix comprising a plurality of detectors, each of the detectors being capable of producing an output signal which is proportional to the intensity of the light detected by it causing an optical image corresponding to an illuminated area to fall on the said detector matrix, transferring the output signal of the detector matrix to image processing means, determining position coordinates of the track center for each data track, by analyzing the output signal of the said detector matrix, saving in memory means expected track center data, comprising position coordinates of the track center located by the analysis of the output signal, and if an actually detected track center is shifted with respect to the expected track center, electronically moving the track center position.
Abstract translation: 从光盘读取数据的方法包括：提供用于照亮盘的所需部分并获取多个轨道的光学图像的装置，提供包括多个检测器的检测器矩阵，每个检测器能够产生 输出信号，其与由其检测到的光的强度成比例，使得与照明区域相对应的光学图像落在所述检测器矩阵上，将检测器矩阵的输出信号传送到图像处理装置，确定轨道的位置坐标 通过分析所述检测器矩阵的输出信号，通过分析所述检测器矩阵的输出信号来节省存储装置预期轨道中心数据，包括通过对输出信号的分析定位的轨道中心的位置坐标，以及如果实际检测到的轨道中心是 相对于预期轨道中心移动，电子地移动轨道中心位置。
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