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公开(公告)号：EP2429385B1
公开(公告)日：2013-07-17
申请号：EP10726244.6
申请日：2010-05-10
发明人： HEZEMANS, Cornelius, A. , HENDRIKS, Bernardus, H., W. , BIERHOFF, Waltherus, C., J. , BRAUN, Augustinus, L. , MIHAJLOVIC, Nenad
CPC分类号： A61B5/6848 , A61B5/0068 , A61B5/0084 , G02B21/0012 , G02B21/0036 , G02B23/2423 , G02B23/26 , G02B26/103
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公开(公告)号：EP2238484B1
公开(公告)日：2012-01-11
申请号：EP09701938.4
申请日：2009-01-12
发明人： SUIJVER, Jan, F. , KUIPER, Stein , HENDRIKS, Bernardus, H., W. , DELADI, Szabolcs , RADEMAKERS, Antonius, J., J. , VAN DER VLEUTEN, Cornelius, A., N., M. , WEEKAMP, Johannes, W. , BIERHOFF, Waltherus, C., J.
CPC分类号： G02B7/008 , A61B1/0019 , G02B3/14 , G02B23/2407
摘要： Fluid lens system, e.g. for medical imaging or medical treatment, with a container enclosing a fluid arranged to refract incoming waves. A pressure release mechanism is in contact with the fluid so as to compensate changes in its volume due to thermal variations, e.g. during high temperature medical cleaning. This pressure release mechanism is positioned within a pathway of incoming waves. In preferred embodiments a fluid container connected via a tube to the fluid as a reservoir, is arranged within or outside the container, e.g. beyond an image sensor. Alternatively, an easily compressible body, e.g. a small closed metal bellows enclosing a gas, is positioned inside the fluid to absorb volume changes by compression. In both embodiments, the pressure release elements are preferably positioned in a peripheral part of the pathway of incoming waves to not affect performance of the lens. In another aspect, a fluid lens includes a container with an inner container part that fits inside an outer container part, wherein the inner container part is in rigid connection to at least a one boundary arranged for penetration of incoming waves. The pressure release mechanism is positioned within the outer container part, and it is in contact with the fluid so as to compensate changes in volume of the fluid due to thermal variations. In one embodiment the inner and outer container parts are arranged for relative one-dimensional movement and fluid tight interconnected. In another embodiment, a fluid filled cavity is formed between the inner and outer container parts, and this cavity houses a compressible body. The lens systems are suited for applications such as medical endoscopes, catheters and needles, optically as well as acoustically based.
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公开(公告)号：EP2429385A1
公开(公告)日：2012-03-21
申请号：EP10726244.6
申请日：2010-05-10
发明人： HEZEMANS, Cornelius, A. , HENDRIKS, Bernardus, H., W. , BIERHOFF, Waltherus, C., J. , BRAUN, Augustinus, L. , MIHAJLOVIC, Nenad
CPC分类号： A61B5/6848 , A61B5/0068 , A61B5/0084 , G02B21/0012 , G02B21/0036 , G02B23/2423 , G02B23/26 , G02B26/103
摘要： The present invention relates to an optical probe (1) suitable for miniature applications. An example application is a fibre-based confocal miniaturized microscope. The optical probe comprises a coil-based actuation system (9, 10) comprising drive coils (9) capable of displacing the distal end (3) of an optical guide (2) housed (4) by the optical probe. The probe makes use of a feedback loop which alternate between driving the displacement of the optical guide by driving a current through the drive coils and switching off the current through the drive coils, and while the drive current being switched off, measure the speed of the distal end of the optical guide. The measured speed is compared to the set -point speed, and if a difference is detected, the drive current is adjusted to eliminate, or at least bring down, this difference.
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公开(公告)号：EP2341813A1
公开(公告)日：2011-07-13
申请号：EP09744471.5
申请日：2009-10-21
发明人： HEZEMANS, Cornelius, A. , HENDRIKS, Bernardus, H., W. , BIERHOFF, Waltherus, C., J. , BRAUN, Augustinus, L. , DESJARDINS, Adrien, E.
CPC分类号： A61B1/00188 , A61B1/00096 , A61B1/00163 , A61B1/00165 , A61B5/0062 , A61B5/0084 , A61B5/061 , A61B5/062 , A61B5/065 , A61B34/73 , A61B90/361 , A61B2034/2051
摘要： This invention relates to an optical probe (200) and an optical imaging system, including an optical guide (201) having a proximal end and a distal end, an actuation means having driving coils (204) and a magnet, with of which being attached to the optical guide. By supplying a driving current through the driving coils a magnetic flux is generated which interacts with the magnet forming a driving force acting at on the optical guide causing a displacement of the distal end of the optical guide. A position measuring including a position measuring coil (205) is used for monitoring the position of the optical guide, where the internal arrangement of the position measuring coil and the driving coils is such that said displacement of the distal end of the optical guide causes a change in the internal arrangement. A power supply supplies an additional high frequency alternating current (AC) through the driving coils which causes an induced voltage in the position measuring coil and thus generates a magnetic coupling between the position measuring coil and the driving coils. A position measuring means measures the displacement of the distal end of the optical guide by means of measuring the induced voltage resulting in when the internal arrangement changes. This induced voltage change being indicative for the position of the distal end.
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公开(公告)号：EP1121689A1
公开(公告)日：2001-08-08
申请号：EP00958372.5
申请日：2000-08-02
CPC分类号： G11B7/08 , G11B7/08582 , G11B7/0956 , G11B7/22 , G11B19/2009 , G11B21/003 , G11B21/16
摘要： The invention relates to a method of manufacturing a scanning device comprising a support (9) for an information carrier (1), a motor (13) for rotating the support about an axis of rotation (11), a scanning unit (15) for scanning the information carrier, and a displacement device (19) for displacing the scanning unit relatively to the information carrier. According to this method, the motor and the displacement unit are each provided on a separate frame (29, 31), and the scanning device is provided with a pretensioning means (39) and an adjusting device (33, 35, 37). In at least one adjustment position, the frames are held at a mutual distance under the influence of a pretensioning force exerted by said pretensioning means, said distance being adjusted by means of said adjusting device. The adjusting device is used to correct an angular deviation present between a laser beam path (27) of the scanning unit and a normal to an information surface (7) of the information carrier as a result of manufacturing tolerances. According to the method in accordance with the invention, an adhesive (73, 75) is applied between the two frames adjoining the adjusting device, and the distance between the two frames, as adjusted by means of the adjusting device, is secured by curing the adhesive present between the two frames. In this manner, unwanted mutual displacements of the two frames, which could occur as a result of imbalance forces caused by the information carrier rotating at relatively high speeds, are prevented as much as possible.
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公开(公告)号：EP2238484A1
公开(公告)日：2010-10-13
申请号：EP09701938.4
申请日：2009-01-12
发明人： SUIJVER, Jan, F. , KUIPER, Stein , HENDRIKS, Bernardus, H., W. , DELADI, Szabolcs , RADEMAKERS, Antonius, J., J. , VAN DER VLEUTEN, Cornelius, A., N., M. , WEEKAMP, Johannes, W. , BIERHOFF, Waltherus, C., J.
CPC分类号： G02B7/008 , A61B1/0019 , G02B3/14 , G02B23/2407
摘要： Fluid lens system, e.g. for medical imaging or medical treatment, with a container enclosing a fluid arranged to refract incoming waves. A pressure release mechanism is in contact with the fluid so as to compensate changes in its volume due to thermal variations, e.g. during high temperature medical cleaning. This pressure release mechanism is positioned within a pathway of incoming waves. In preferred embodiments a fluid container connected via a tube to the fluid as a reservoir, is arranged within or outside the container, e.g. beyond an image sensor. Alternatively, an easily compressible body, e.g. a small closed metal bellows enclosing a gas, is positioned inside the fluid to absorb volume changes by compression. In both embodiments, the pressure release elements are preferably positioned in a peripheral part of the pathway of incoming waves to not affect performance of the lens. In another aspect, a fluid lens includes a container with an inner container part that fits inside an outer container part, wherein the inner container part is in rigid connection to at least a one boundary arranged for penetration of incoming waves. The pressure release mechanism is positioned within the outer container part, and it is in contact with the fluid so as to compensate changes in volume of the fluid due to thermal variations. In one embodiment the inner and outer container parts are arranged for relative one-dimensional movement and fluid tight interconnected. In another embodiment, a fluid filled cavity is formed between the inner and outer container parts, and this cavity houses a compressible body. The lens systems are suited for applications such as medical endoscopes, catheters and needles, optically as well as acoustically based.
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7.发明公开OPTICAL PICKUP UNIT FOR A DISK DRIVE AND DISK DRIVE COMPRISING SUCH AN OPTICAL PICK UP UNIT 审中-公开光学记录单元，用于磁盘驱动器和磁盘驱动器这样的记录单元
公开(公告)号：EP1883924A1
公开(公告)日：2008-02-06
申请号：EP06728093.3
申请日：2006-05-01
IPC分类号： G11B7/09
CPC分类号： G11B7/0932 , G11B7/0933 , G11B7/0956 , G11B2007/0006
摘要： An optical pickup unit for an optical disk drive, comprises a lens holder (27) including a lens having an optical axis, suspension wire members (33 - 36) suspend the lens holder (27) in a support frame in a cantilever fashion. The wire members constrain movement of the lens holder relative to the support frame, but allowing at least a translation in a focussing or axial direction (z) , parallel to the optical axis of a lens in the lens holder (27). The wire members are fixed to the lens holder in positions at a distance from each other at least in focussing and tracking directions (z, x). The wire members are bent around an axis parallel to the radial direction (x) so as to allow an at least limited rotation about an axis in a tracking or radial direction (x) as well. In this way, an active alpha tilt correction is made possible with simple means.
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8.发明公开CUSTOMIZABLE CARTRIDGE FOR PROTECTING A READABLE AND/OR WRITABLE DATA STORAGE MEDIUM 审中-公开可调TAPE用于保护可读和/或记录数据存储介质
公开(公告)号：EP1761928A1
公开(公告)日：2007-03-14
申请号：EP05745510.7
申请日：2005-06-09
CPC分类号： G11B23/0316 , G11B23/031 , G11B33/06
摘要： The invention relates to a cartridge for protecting a readable and/or writable data storage medium, such as an optical disk. The cartridge comprises a first cartridge part (1) for containing the data storage medium and a second cartridge part (2) connected to the first cartridge part and projecting therefrom. The second cartridge part is customized so as to perform at least one secondary function of the cartridge, such as connecting the cartridge to another object, or an electronic function such as data or copy protection.
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9.发明公开PICKUP UNIT COMPRISING A STROKE LIMITER, AND DISK DRIVE UNIT PROVIDED WITH SUCH A PICKUP UNIT 审中-公开WITH A行程限位器和与该客户机组配置驱动单元客户单位
公开(公告)号：EP1721315A1
公开(公告)日：2006-11-15
申请号：EP05708802.3
申请日：2005-02-18
CPC分类号： G11B7/0933 , G11B7/0932 , G11B7/121
摘要： A pickup unit (1) for reading and/or writing data on a disk comprises a lens holder (3) which is connected to a base (4) of the pickup unit (1) by means of at least one elastic support member (5). The lens holder (3) is movable with respect to the base (4) by bending of the at least one elastic support member (5) under the action of an actuator (6, 7, 8) acting between the lens holder and the base. A stroke limiter (11) is provided between the base and the lens holder to limit the stroke of the lens holder relative to the base. The stroke limiter (11) is of an electro-mechanical type including, besides an electrical contact, a mechanical stop. The electrical contact (5, 12, 13; 15, 12, 14) is operatively connected to the actuator (6, 7, 8) to cause the actuator to move the lens holder towards a central position upon closure of the contact.
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公开(公告)号：EP1709639A1
公开(公告)日：2006-10-11
申请号：EP05702682.5
申请日：2005-01-14
IPC分类号： G11B23/03
CPC分类号： G11B23/0307 , G11B23/0035 , G11B23/0312
摘要： A disk cartridge comprises a disk (1) having a central hub (4) for engagement with a disk drive. The disk is accommodated in a housing (2). The housing and disk are dimensioned such that there is limited clearance in a direction parallel to and perpendicular to the plane of the disk. The cartridge comprises a clamping member (11), such as a magnet, to clamp the disk to one side of the cartridge housing when the cartridge is free from the disk drive. The housing and the disk have co-operating centering members (13, 14), preferably near the center of the disk, so as to center the disk with respect to the cartridge housing when the disk is clamped to the housing by the clamping member. In this way, the disk is always in the correct position for a next engagement by the disk drive.
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