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1. 发明授权

US06894968B2 Optical wavefront modifier including a series arrangement of transparent resistors between electrodes and scanning devices including such a modifier 失效
标题翻译：光波前修正器包括在电极和包括这种修饰器的扫描装置之间的透明电阻的串联布置
公开(公告)号：US06894968B2
公开(公告)日：2005-05-17
申请号：US09914093
申请日：2000-12-19
申请人： Sjoerd Stallinga , Jeroen Wals , Joris Jan Vrehen
发明人： Sjoerd Stallinga , Jeroen Wals , Joris Jan Vrehen
IPC分类号： G02F1/13 , G02F1/1343 , G11B7/095 , G11B7/135
CPC分类号： G11B7/1369 , G02F1/134309 , G02F2203/18 , G11B7/0956 , G11B7/13927
摘要： An optical wavefront modifier (27) is adapted for modifying a wavefront of an optical beam passing through the modifier. The modifier comprises a first and a second transparent electrode layer (42′, 43′) and a flat medium (46) for modifying the wavefront in dependence on electrical excitation and arranged between the electrode layers. The first electrode layer (42′) comprises three or more electrodes (51-55) of a transparent, conductive material. The electrode layer also comprises a series arrangement of resistors, comprising three terminals (48, 48′, 48″) connected to the electrodes and resistors (49, 49′) connecting the terminals. The resistors are made of the same transparent conductive material as the electrodes.
摘要翻译：光波前修正器（27）适于修改通过改性器的光束的波前。改性剂包括第一和第二透明电极层（42'，43'）和平坦介质（46），用于根据电激励修改波阵面并且布置在电极层之间。第一电极层（42'）包括透明导电材料的三个或更多个电极（51-55）。电极层还包括电阻器的串联布置，包括连接到电极的三个端子（48,48'，48“）和连接端子的电阻器（49,49'）。电阻由与电极相同的透明导电材料制成。

2. 发明授权

US06586717B2 Optical scanning head 失效
公开(公告)号：US06586717B2
公开(公告)日：2003-07-01
申请号：US09914007
申请日：2001-08-21
申请人： Joris Jan Vrehen , Jeroen Wals , Sjoerd Stallinga
发明人： Joris Jan Vrehen , Jeroen Wals , Sjoerd Stallinga
IPC分类号： G02B2740
CPC分类号： G11B7/1369 , G11B7/0956
摘要： An optical head scans the information layer (3) of an optical record carrier (1) by means of a radiation beam (13). Optical aberrations in the beam such as coma and spherical aberration, caused by tilt and thickness variations in the optical disc respectively, are compensated by an aberration compensator (27) arranged in the radiation beam. The tilt or thickness variation is measured by a detector (30) and used to control the aberration compensator. The radiation beam is focused onto the information layer by an objective system (11). A displacement of the objective system in the transverse direction (26) as used for radial tracking of the optical beam, causes a mismatch between the wavefront to be compensated and the wavefront introduced by the aberration compensator (27). The mismatch is reduced by using a position detector (33) for measuring the transverse position of the objective system and using the position signal (34) as input for the control of the aberration compensator.

3. 发明授权

US06496452B2 Optical scanning with aberration correction 失效
标题翻译：具有像差校正的光学扫描
公开(公告)号：US06496452B2
公开(公告)日：2002-12-17
申请号：US09741920
申请日：2000-12-20
申请人： Sjoerd Stallinga , Joris Jan Vrehen , Jeroen Wals
发明人： Sjoerd Stallinga , Joris Jan Vrehen , Jeroen Wals
IPC分类号： G11B700
CPC分类号： G11B7/1369 , G11B7/0956 , G11B7/13927
摘要： An optical head scans the information layer (3) of an optical record carrier (1) by means of a radiation beam (13). Optical aberrations in the beam such as coma and spherical aberration, caused by tilt and thickness variations in the optical disc respectively, are compensated by an aberration compensator (27) arranged in the radiation beam. The tilt or thickness variation is measured by a detector (30) and used to control the aberration compensator. The radiation beam is focused onto the information layer by an objective system (11). A displacement of the objective system in the transverse direction (26) as used for radial tracking of the optical beam, causes a mismatch between the wavefront to be compensated and the wavefront introduced by the aberration compensator (27). The detrimental effects of the mismatch are reduced by compensating only part of the aberration. The degree of compensation depends on the maximum displacement of the objective system and the tolerable wavefront error.
摘要翻译：光头通过辐射束（13）扫描光学记录载体（1）的信息层（3）。由光盘中的倾斜和厚度变化引起的诸如彗差和球面像差的光束中的光学像差由布置在辐射束中的像差补偿器（27）补偿。倾斜或厚度变化由检测器（30）测量并用于控制像差补偿器。辐射束通过客观系统（11）聚焦到信息层上。用于光束的径向跟踪的横向（26）的物镜系统的位移导致要补偿的波前与由像差补偿器（27）引入的波阵面之间的失配。通过仅补偿部分像差来减少不匹配的有害影响。补偿程度取决于物镜系统的最大位移和允许的波前误差。

4. 发明授权

US06449236B2 Optical wavefront modifier 失效
标题翻译：光波前修正
公开(公告)号：US06449236B2
公开(公告)日：2002-09-10
申请号：US09745939
申请日：2000-12-22
申请人： Jeroen Wals , Joris Jan Vrehen , Sjoerd Stallinga
发明人： Jeroen Wals , Joris Jan Vrehen , Sjoerd Stallinga
IPC分类号： G11B700
CPC分类号： G02B27/0031 , G02B27/0068 , G02F1/134309 , G02F2203/18 , G11B7/0956 , G11B7/1369 , G11B7/13927
摘要： An optical wavefront modifier modifies a wavefront of an optical beam passing through the modifier. The modifier comprises a first and a second transparent electrode layer and a flat medium for modifying the wavefront depending on electrical excitation of the medium and arranged between the electrode layers. The electrode layers are provide the electrical excitation to produce a first wavefront modification of a first order of a radius in the cross-section of the beam in the plane of the medium and simultaneously produce a second wavefront modification of a second order of the radius different from the first order.
摘要翻译：光波前修正器修改通过改性剂的光束的波前。改性剂包括第一和第二透明电极层和平坦介质，用于根据介质的电激发修改波阵面并且布置在电极层之间。电极层提供电激励以在介质的平面中的束的横截面中产生半径的第一阶的第一波前修改，并且同时产生半径不同的第二级的第二波前修改从第一个订单。

5. 发明授权

US06687037B2 Optical scanning device 失效
标题翻译：光学扫描装置
公开(公告)号：US06687037B2
公开(公告)日：2004-02-03
申请号：US09942018
申请日：2001-08-29
申请人： Bernardus Hendrikus Wilhelmus Hendriks , Jeroen Wals
发明人： Bernardus Hendrikus Wilhelmus Hendriks , Jeroen Wals
IPC分类号： G02B2608
CPC分类号： G02B5/1895 , G02B5/1876 , G02B26/106 , G11B7/1353 , G11B7/1374 , G11B2007/0006
摘要： An optical device scans record carriers with radiation of two wavelengths. The device has an objective lens with a diffractive part with a pattern of elements of stepped profile. The total of the step heights are substantially equal to multiples of height h1 with h 1 = λ 1 ( n - n 0 ) , where &lgr;1 is the first wavelength, n is the refractive index of the diffractive part, and n0 is the refractive index of an adjacent medium. The radiation of the first wavelength is transmitted through the diffractive part substantially without diffraction and the objective lens has a first focusing characteristic for the first wavelength. The radiation of the second wavelength is diffracted by the diffractive part and the objective lens has a second different focusing characteristic, for a selected diffractive order of the radiation of the second wavelength. The relative step height between adjacent steps is substantially equal to ah1, wherein a is a positive integer.
摘要翻译：光学装置用两个波长的辐射扫描记录载体。该装置具有带有具有阶梯形轮廓元件图案的衍射部分的物镜。步长的总和基本上等于高度h1的倍数，其中λ1是第一波长，n是衍射部分的折射率，n0是相邻介质的折射率。第一波长的辐射基本上不衍射透射穿过衍射部分，物镜具有第一波长的第一聚焦特性。对于第二波长的辐射的选定衍射级，第二波长的辐射被衍射部分衍射，物镜具有第二不同的聚焦特性。相邻步骤之间的相对步长基本上等于ah1，其中a是正整数。

6. 发明授权

US06399932B1 Optical record carrier scanning device 失效
标题翻译：光记录载体扫描装置
公开(公告)号：US06399932B1
公开(公告)日：2002-06-04
申请号：US09469877
申请日：1999-12-22
申请人： Jeroen Wals
发明人： Jeroen Wals
IPC分类号： G02B2740
CPC分类号： G11B7/1369 , G11B7/0906 , G11B7/0912 , G11B7/0943 , G11B7/0956 , G11B7/131 , G11B7/13927
摘要： An optical scanning device for scanning a record carrier directs a radiation beam towards the record carrier. Two detection systems are arranged in the path of the beam reflected by the record carrier, one before and one after the focus of the beam. Output signals of the detection systems represent the intensity distribution of the beam in the plane of each detection system. The output signals are processed to form a signal representing an aberration of the reflected beam. The aberration may be coma or spherical aberration. The aberration signal is used to control a compensation element in the optical path of the radiation beam incident on the record carrier.
摘要翻译：用于扫描记录载体的光学扫描装置将辐射束引向记录载体。在由记录载体反射的光束的路径中布置两个检测系统，一个在光束之前和之后。检测系统的输出信号表示每个检测系统的平面中光束的强度分布。处理输出信号以形成表示反射光束的像差的信号。像差可以是昏迷或球面像差。像差信号用于控制入射在记录载体上的辐射束的光路中的补偿元件。

7. 发明授权

US06751021B2 Optical scanning device 失效
标题翻译：光学扫描装置
公开(公告)号：US06751021B2
公开(公告)日：2004-06-15
申请号：US10169926
申请日：2002-07-10
申请人： Bernardus Hendrikus Wilhelmus Hendriks , Jeroen Wals
发明人： Bernardus Hendrikus Wilhelmus Hendriks , Jeroen Wals
IPC分类号： G02B518
CPC分类号： G11B7/13922 , G11B7/1353 , G11B7/1374 , G11B2007/0006
摘要： The present invention provides a scanning device with the following features: the system is capable of writing data to record carriers of a first format because it is corrected for chromatic aberration resulting from fast wavelength variations during write operation; it has a diffractive element with a generally sawtooth-like pattern, such that it may for example be manufactured in a single-step replication process; the system has high efficiency for scanning first optical record carriers (e.g. DVDs) and acceptable efficiency for scanning second optical record carriers (e.g. CDs); and the lens provides limited spherochromatism and the system is thus able to cope with wavelength variations.
摘要翻译：本发明提供了一种具有以下特征的扫描装置：该系统能够将数据写入第一格式的记录载体，因为在写入操作期间由于快速波长变化导致的色差被校正; 它具有通常具有锯齿状图案的衍射元件，使得其可以例如以单步复制工艺制造; 该系统具有用于扫描第一光学记录载体（例如DVD）的高效率和用于扫描第二光学记录载体（例如CD）的可接受的效率; 并且透镜提供有限的球状染料，因此该系统能够应对波长变化。

8. 发明申请

US20130009777A1 DEVICE AND METHOD FOR THE PREVENTION OF WANDERING 审中-公开
标题翻译：防止手段的装置和方法
公开(公告)号：US20130009777A1
公开(公告)日：2013-01-10
申请号：US13636345
申请日：2011-03-17
申请人： Ronaldus Maria Aarts , Jeroen Wals
发明人： Ronaldus Maria Aarts , Jeroen Wals
IPC分类号： G08B3/10
CPC分类号： G08B3/10 , G08B21/0261
摘要： There is provided a device for use by a user who may wander that comprises an audio unit for generating a first output audible to the user in response to a determination that the user is within a predetermined safe area. The audible output preferably comprises music. There is also provided a method of operating a device that is to be worn or carried by a user, comprising generating a first output audible to the user using an audio unit in the device in response to a determination that the user is within a predetermined safe area.
摘要翻译：提供了一种用户使用的设备，其可以漫游，其包括音频单元，用于响应于用户在预定安全区域内的确定而产生可听见的用户的第一输出。听觉输出优选地包括音乐。还提供了一种操作要由用户佩戴或携带的设备的方法，包括响应于用户在预定保险箱内的确定，使用设备中的音频单元生成可听见的第一输出的方法区。

9. 发明授权

US06493292B1 Device for scanning an information carrier and method of operating such a device 失效
标题翻译：用于扫描信息载体的装置和操作这种装置的方法
公开(公告)号：US06493292B1
公开(公告)日：2002-12-10
申请号：US09613233
申请日：2000-07-10
申请人： Arnoldus Jeroen Niessen , Marcel Rieck , Jeroen Wals
发明人： Arnoldus Jeroen Niessen , Marcel Rieck , Jeroen Wals
IPC分类号： G11B700
CPC分类号： G11B21/085 , G11B7/08529 , G11B7/08541
摘要： A device according to the invention is suitable for scanning an information carrier with tracks around an axis. The device has means for transferring information to/from a scanning spot on the information carrier. The device has tangential displacement means for moving the scanning spot in a tangential direction and radial displacement means for moving the scanning spot in a radial direction. The device has control means for controlling the radial displacement means and radial position measurement means for generating a radial position signal (cos(9&bgr;r), sin(9&bgr;r)) which is a measure of the instantaneous radial position of the scanning spot. The device has a scanning mode in which the scanning spot follows a track and a displacement mode in which tracks are crossed. The device according to the invention is characterized by tangential position detection means for generating a tangential position signal (S&agr;) which is indicative of the tangential position (&agr;) of the scanning spot. With the aid of the control means it is achieved that in the displacement mode the scanning spot is moved in a radial direction. The displacement is effected in a time interval having a radial displacement time (Tr) which is a function of the difference between a desired tangential position (&agr;e) and an instantaneous tangential position (&agr;b).
摘要翻译：根据本发明的装置适用于扫描具有绕轴线的信息载体。该装置具有用于向信息载体上的扫描点传送信息的装置。该装置具有用于沿切线方向移动扫描点的切向位移装置和用于沿径向方向移动扫描点的径向位移装置。该装置具有用于控制径向位移装置和径向位置测量装置的控制装置，用于产生作为扫描点的瞬时径向位置的量度的径向位置信号（cos（9betar），sin（9betar））。该装置具有扫描模式，其中扫描点跟随轨迹和轨迹被越过的位移模式。根据本发明的装置的特征在于切向位置检测装置用于产生指示扫描点的切线位置（α）的切向位置信号（Salpha）。借助于控制装置，实现了在位移模式中扫描点沿径向方向移动。位移在具有径向位移时间（Tr）的时间间隔内实现，其是期望的切向位置（αe）和瞬时切向位置（alphab）之间的差的函数。

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