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1. 发明申请

WO2018158276A1 METHOD OF DETERMINING OPERATION CONDITIONS OF A LASER-BASED PARTICLE DETECTOR 审中-公开
公开(公告)号：WO2018158276A1
公开(公告)日：2018-09-07
申请号：PCT/EP2018/054853
申请日：2018-02-28
申请人： KONINKLIJKE PHILIPS N.V.
发明人： WEICHMANN, Ulrich , HELLMIG, Joachim Wilhelm , VAN DER LEE, Alexander Marc , MOENCH, Holger Joachim
IPC分类号： H01S5/183 , H01S5/00 , H01S5/062 , G01N15/02 , G01S7/491 , G01N15/14 , H01S5/026 , H01S5/065 , G01N15/00 , G01N15/10
摘要： The invention describes a method of determining operation conditions of a particle detector (200) for detecting a particle density of particles with a size of less than 20 µm, preferably less than 10 µm in a fluid, wherein the particle detector (200) comprises a laser (111), wherein the laser is a multimode Vertical Cavity Surface Emitting Laser, the method comprising the steps of: providing an electrical drive current to the laser (111) such that a laser beam (112) is emitted by the laser, varying the drive current within a predefined range of drive currents, determining an intensity signal of an optical wave within a laser cavity of the laser (111) as a function of the drive current, determining a noise measure of the intensity signal as a function of the drive current, determining a range of drive currents in which the noise measure is below a predefined threshold value, determining at least a part of the operation conditions of the particle detector (200) by choosing a drive current for particle detection out of the determined range of drive currents. The invention further relates to a particle detector (200) and a mobile device (190) comprising such a particle detector (200). The invention finally relates to a related computer program product.

2. 发明申请

WO2018104153A1 OPTICAL PARTICLE SENSOR MODULE 审中-公开
公开(公告)号：WO2018104153A1
公开(公告)日：2018-06-14
申请号：PCT/EP2017/081088
申请日：2017-12-01
申请人： KONINKLIJKE PHILIPS N.V.
发明人： SPRUIT, Johannes Hendrikus Maria , VAN DER LEE, Alexander Marc , JUTTE, Petrus Theodorus , MOENCH, Holger Joachim , HELLMIG, Joachim Wilhelm , OVINK, Roy
IPC分类号： G01N15/06 , G01N15/14
摘要： 2016PF01329 39 ABSTRACT: The invention describes a laser sensor module. The laser sensor module comprises: at least a first laser (111) being adapted to emit a first measurement beam (111') and at least a second laser (112) being adapted to emit a second measurement beam (112'),5 an optical arrangement (150) being arranged to focus at least the first measurement beam (111') to a first measurement volume (161), the optical arrangement being further arranged to focus at least the second measurement beam (112 ') to a second measurement volume (162), wherein the optical arrangement is characterized by a first numerical aperture with respect to the first measurement beam (111') and a second numerical 10 aperture with respect to the second measurement beam (112'), wherein the first numerical aperture and the second numerical aperture are arranged to detect a predetermined minimum particle size at a reference velocity, wherein the reference velocity is chosen within a predetermined velocity range comprising the reference velocity, and wherein the first measurement beam (111') and the second measurement beam (112') mutually enclose an 15 angle between 10° and 160°, at least a first detector (121) being adapted to determine a first self-mixing interference signal of a first optical wave within a first laser cavity of the first laser (111), at least a second detector (122) being adapted to determine a second self- mixing interference signal of a second optical wave within a second laser cavity of the 20 second laser (111), an evaluator (140), wherein the evaluator (140) is adapted to receive detection signals generated by at least the first detector (121) and the second detector (122) in reaction to the determined self-mixing interference signals, wherein the evaluator (140) is further adapted to determine at least a first average velocity of particles detected by the first detector 25 (121) and at least a second average velocity of particles detected by the second detector (122) by means of the detection signals received in a predetermined time period, wherein the evaluator (140) is further adapted to determine at least a first number of particles based on the detection signals provided by the first detector (121) in the predetermined time period and at 2016PF01329 40 least a second number of particles based on the detected signals provided by the second detector (122) in the predetermined time period, and wherein the evaluator (140) is further adapted to determine a particle density based on an average particle velocity determined at least by means of the first average velocity and the second average velocity, at least the first number of particles and at least the second number of particles.5 The invention further relates to a method of particle density detection and a corresponding computer program product. The invention further relates to a mobile communication device (190) comprising such a laser sensor module (100). 10

3. 发明申请

WO2017016901A1 LASER SENSOR FOR MULTI PARAMETER DETECTION 审中-公开
标题翻译：用于多参数检测的激光传感器
公开(公告)号：WO2017016901A1
公开(公告)日：2017-02-02
申请号：PCT/EP2016/066873
申请日：2016-07-15
申请人： KONINKLIJKE PHILIPS N.V.
发明人： SPRUIT, Johannes Hendrikus Maria , VAN DER LEE, Alexander Marc , KOOIJMAN, Gerben , OUWELTJES, Okke , HELLMIG, Joachim Wilhelm , RAS, Arnoldus Johannes Martinus Jozeph , JUTTE, Petrus Theodorus
IPC分类号： G01N15/14 , G01B9/02 , G01S17/58 , G01S17/95 , G01S7/48 , G01S7/491
CPC分类号： G01N15/1434 , G01B9/02092 , G01N15/0205 , G01N15/06 , G01N2015/0693 , G01N2015/1075 , G01N2015/1438 , G01N2015/1452 , G01N2015/1454 , G01N2015/1493 , G01S7/4802 , G01S7/4812 , G01S7/4817 , G01S7/4916 , G01S17/58 , G01S17/87 , G01S17/95 , Y02A90/19
摘要： The invention describes a laser sensor module (100) which is adapted to detect or determine at least two different physical parameters by means of self-mixing interference by focusing a laser beam to different positions. Such a laser sensor module (100) may be used as an integrated sensor module, for example, in mobile devices (250). The laser sensor module (100) may be used as an input device and in addition as a sensor for detecting physical parameters in an environment of the mobile communication device (250). One physical parameter in the environment of the mobile communication device (250) may, for example, be the concentration of particles in the air (air pollution, smog...). The invention further describes a related method and computer program product.
摘要翻译：本发明描述了一种激光传感器模块（100），其适于通过将激光束聚焦到不同位置，借助于自混合干扰来检测或确定至少两个不同的物理参数。这种激光传感器模块（100）可以用作例如移动设备（250）中的集成传感器模块。激光传感器模块（100）可以用作输入装置，另外可以用作用于检测移动通信装置（250）的环境中的物理参数的传感器。移动通信装置（250）的环境中的一个物理参数例如可以是空气中的颗粒浓度（空气污染，烟雾）。本发明进一步描述了相关方法和计算机程序产品。

4. 发明申请

WO2017198489A1 COMPACT LASER SENSOR 审中-公开
标题翻译：紧凑型激光传感器
公开(公告)号：WO2017198489A1
公开(公告)日：2017-11-23
申请号：PCT/EP2017/060967
申请日：2017-05-09
申请人： KONINKLIJKE PHILIPS N.V.
发明人： JUTTE, Petrus Theodorus , SPRUIT, Johannes Hendrikus Maria , VAN DER LEE, Alexander Marc
IPC分类号： G01S17/58 , G01S17/95 , G01S7/481 , G01S7/491
摘要： The invention describes a laser sensor module. The laser sensor module comprises at least one laser (100) being adapted to emit a measurement beam (111). The laser sensor module further comprises a compact optical device (150) being arranged to focus the measurement beam (111) to a focus region (115). The compact optical device comprises an optical carrier (154) with a convex mirror surface (152) on one side and a concave mirror surface (156) on a second opposite side, wherein the concave mirror surface (156) comprises an entrance surface through which the measurement beam (111) can enter the optical carrier (154). The compact optical device (150) is arranged such that the measurement beam (111) entering the optical carrier is reflected and diverged by means of the convex mirror surface (152) to the concave mirror surface (156). The concave mirror surface (156) is arranged to focus the measurement beam (111) received from the convex mirror surface (152) to a focus region (115). The laser sensor module further comprises at least one detector (120) which is adapted to determine at least a self-mixing interference signal of a first optical wave within a laser cavity of the laser (100).The invention further describes a laser sensor (180) comprising such a laser sensor module. The invention finally describes devices like a mobile communication device comprising the laser sensor (180) or the laser sensor module.
摘要翻译：
本发明描述了一种激光传感器模块。激光传感器模块包括适于发射测量光束（111）的至少一个激光器（100）。激光传感器模块进一步包括布置成将测量光束（111）聚焦到聚焦区域（115）的小型光学装置（150）。该紧凑型光学装置包括光学载体（154），该光学载体在一侧具有凸镜面（152）并且在第二相对侧具有凹镜面（156），其中该凹镜面（156）包括入射面，测量光束（111）可以进入光学载体（154）。紧凑型光学装置（150）被布置成使得进入光学载体的测量光束（111）通过凸镜面（152）被反射和发散到凹面镜面（156）。凹镜面（156）被布置为将从凸镜面（152）接收的测量光束（111）聚焦到聚焦区域（115）。激光传感器模块还包括至少一个检测器（120），其适于至少确定激光器（100）的激光腔内的第一光波的自混合干涉信号。本发明还描述了一种激光传感器（ 180）包括这种激光传感器模块。本发明最后描述了包括激光传感器（180）或激光传感器模块的移动通信设备之类的设备。

5. 发明申请

WO2017017282A1 LASER SENSOR FOR PARTICLE SIZE DETECTION 审中-公开
标题翻译：用于颗粒尺寸检测的激光传感器
公开(公告)号：WO2017017282A1
公开(公告)日：2017-02-02
申请号：PCT/EP2016/068270
申请日：2016-08-01
申请人： KONINKLIJKE PHILIPS N.V.
发明人： VAN DER LEE, Alexander Marc , HELLMIG, Joachim Wilhelm , SPRUIT, Johannes Hendrikus Maria
IPC分类号： G01N15/14 , G01S17/58 , G01S17/95 , G01B9/02 , G01N15/02 , G01S7/48 , G01S7/491
CPC分类号： G01N15/1434 , G01N15/0205 , G01N2015/03 , G01N2015/1075 , G01N2015/1438 , G01N2015/1452 , G01N2015/1454 , G01N2015/1493 , G01S7/4802 , G01S7/4817 , G01S7/4916 , G01S17/58 , G01S17/87 , G01S17/95 , Y02A90/19
摘要： The invention describes a laser sensor module (100) for particle size detection. The laser sensor module (100) comprises at least one first laser (110), at least one first detector (120), at least one electrical driver (130) and at least one evaluator (140). The first laser (110) is adapted to emit first laser light in reaction to signals provided by the at least one driver (130). The at least one first detector (120) is adapted to determine a first self -mixing interference signal (30) of an optical wave within a first laser cavity of the first laser (110). The first self-mixing interference signal (30) is caused by first reflected laser light reentering the first laser cavity, the first reflected laser light being reflected by a particle receiving at least a part of the first laser light. The evaluator (140) is adapted to determine a size of the particle by determining a first relative distance between the particle and the first laser (110) by means of the first self -mixing interference signal (30) and by determining a first amplitude information by means of the first self-mixing interference signal (30). The invention is further related to a corresponding method of determining a particle size.
摘要翻译：本发明描述了一种用于粒度检测的激光传感器模块（100）。激光传感器模块（100）包括至少一个第一激光器（110），至少一个第一检测器（120），至少一个电驱动器（130）和至少一个评估器（140）。第一激光器（110）适于响应于由至少一个驱动器（130）提供的信号而发射第一激光。所述至少一个第一检测器（120）适于确定所述第一激光器（110）的第一激光腔内的光波的第一自混合干涉信号（30）。第一自混合干涉信号（30）由第一反射激光重新进入第一激光腔引起，第一反射激光由接收至少一部分第一激光的粒子反射。评估器（140）适于通过借助于第一自混合干扰信号（30）确定粒子和第一激光器（110）之间的第一相对距离并通过确定第一幅度信息来确定粒子的尺寸借助于第一自混合干扰信号（30）。本发明还涉及确定粒度的相应方法。

6. 发明申请

WO2016096647A1 LASER SENSOR MODULE 审中-公开
标题翻译：激光传感器模块
公开(公告)号：WO2016096647A1
公开(公告)日：2016-06-23
申请号：PCT/EP2015/079396
申请日：2015-12-11
申请人： KONINKLIJKE PHILIPS N.V.
发明人： MÖENCH, Holger , VAN DER LEE, Alexander Marc , GRONENBORN, Stephan
IPC分类号： H01S5/062 , H01S5/183 , H01S5/042 , H01S5/14 , H01S5/42
CPC分类号： H01S5/18305 , H01S5/0428 , H01S5/06216 , H01S5/141 , H01S5/18386 , H01S5/423
摘要： The invention describes a laser sensor module comprising at least one Vertical Cavity Surface Emitting Laser (100) and at least one driving circuit (120). The driving circuit (120) is adapted to provide electrical energy to the Vertical Cavity Surface Emitting Laser (100) such that the Vertical Cavity Surface Emitting Laser (100) emits laser pulses (345) with a pulse length (356) of less than 100 ns and a duty cycle of less than 5 % in comparison to a continuous laser emission. The driving circuit (120) is further adapted to provide additional energy to the Vertical Cavity Surface Emitting Laser (100) at least 100 ns prior to at least a part of the laser pulses (345) such that the part of the laser pulses (345) are emitted under defined optical conditions. The invention further describes a distance detection device comprising the laser sensor module and a method of driving the laser sensor module. The additional energy is preferably provided by means of a current pre-pulse (335) which is applied to the V(E)CSEL prior to preferably each laser pulse (345). The current pre-pulse is preferably arranged such that no laser light is emitted by means of the V(E)CSEL. The V(E)CSEL are enabled to emit the laser pulses (345) under defined optical conditions such that the time of emission and the pulse shape of the laser pulses (345) is well defined. Well defined time of emission and the pulse shape of the laser pulses (345) enable a reliable detection of reflected laser light (117) which corresponds to the emission of the respective laser pulse (345).
摘要翻译：本发明描述了包括至少一个垂直腔面发射激光器（100）和至少一个驱动电路（120）的激光传感器模块。驱动电路（120）适于向垂直腔表面发射激光器（100）提供电能，使得垂直腔表面发射激光器（100）发射具有小于100的脉冲长度（356）的激光脉冲（345） ns和与连续激光发射相比小于5％的占空比。驱动电路（120）还适于在至少一部分激光脉冲（345）之前至少100ns向垂直腔表面发射激光器（100）提供额外的能量，使得激光脉冲（345）的一部分）在限定的光学条件下发射。本发明还描述了一种距离检测装置，其包括激光传感器模块和驱动激光传感器模块的方法。附加能量优选地通过在优选地每个激光脉冲（345）之前施加到V（E）CSEL的电流预脉冲（335）来提供。当前的预脉冲优选地被布置成使得没有通过V（E）CSEL发射激光。 V（E）CSEL能够在限定的光学条件下发射激光脉冲（345），使得激光脉冲（345）的发射时间和脉冲形状被很好地限定。明确定义的发射时间和激光脉冲（345）的脉冲形状使得能够可靠地检测对应于相应激光脉冲（345）的发射的反射激光（117）。

7. 发明授权

EP3458874B1 LASER SENSOR FOR PARTICLE DETECTION 有权转让
公开(公告)号：EP3458874B1
公开(公告)日：2020-01-08
申请号：EP17722475.5
申请日：2017-05-12
申请人： Koninklijke Philips N.V.
发明人： SPRUIT, Johannes Hendrikus Maria , VAN DER LEE, Alexander Marc , KOOIJMAN, Gerben , OUWELTJES, Okke , HELLMIG, Joachim Wilhelm , RAS, Arnoldus Johannes Martinus Jozeph , JUTTE, Petrus Theodorus
IPC分类号： G01S17/58 , G01S17/87 , G01S17/95 , G01S7/481 , G01S7/497 , G01S7/491

8. 发明公开

EP3401664A1 METHOD OF SUPPRESSING FALSE POSITIVE SIGNALS DURING SELF MIXING INTERFERENCE PARTICLE DETECTION 审中-公开
公开(公告)号：EP3401664A1
公开(公告)日：2018-11-14
申请号：EP17170761.5
申请日：2017-05-12
申请人： Koninklijke Philips N.V.
发明人： OUWELTJES, Okke , SPRUIT, Johannes Hendrikus Maria , VAN DER LEE, Alexander Marc , JUTTE, Petrus Theodorus
IPC分类号： G01N15/06 , G01N15/14 , G01B9/02 , G01S7/491 , G01N15/00 , G01N15/10
CPC分类号： G01N15/06 , G01B9/02092 , G01N15/1434 , G01N15/1456 , G01N2015/0046 , G01N2015/0693 , G01N2015/1075 , G01N2015/1454 , G01S7/4916 , G01S7/493
摘要： The invention relates to a method of measuring a particle density of particles (10) with a size of less than 20 µm, preferably less than 10 µm in a fluid, the method comprising the steps of:
emitting a laser beam (112) to a mirror (160),
dynamically redirecting the laser beam (112) by means of the mirror (160) with a predetermined periodical movement,
imaging the laser beam (112) to a detection volume, by means of an optical imaging device (171),
allowing determination of a self mixing interference signal of an optical wave within a laser cavity of the laser if the self mixing interference signal is generated by laser light of the laser beam (112) reflected by at least one of the particles (10),
suppressing of a false self mixing interference signal if the self mixing interference signal is caused by a disturbance in an optical path of the laser beam (112).
The invention further relates to a laser sensor module (100), a particle detector (200) and a device (190) comprising such a laser sensor module (100). The invention finally relates to a corresponding computer program product.

9. 发明授权

EP3329249B1 LASER SENSOR FOR MULTI PARAMETER DETECTION 有权转让
公开(公告)号：EP3329249B1
公开(公告)日：2020-07-08
申请号：EP16739140.8
申请日：2016-07-15
申请人： Koninklijke Philips N.V.
发明人： SPRUIT, Johannes Hendrikus Maria , VAN DER LEE, Alexander Marc , KOOIJMAN, Gerben , OUWELTJES, Okke , HELLMIG, Joachim Wilhelm , RAS, Arnoldus Johannes Martinus Jozeph , JUTTE, Petrus Theodorus
IPC分类号： G01N15/14 , G01B9/02 , G01S17/58 , G01S17/95 , G01S7/48 , G01S7/491

10. 发明公开

EP3458873A1 COMPACT LASER SENSOR 审中-公开
公开(公告)号：EP3458873A1
公开(公告)日：2019-03-27
申请号：EP17721730.4
申请日：2017-05-09
申请人： Koninklijke Philips N.V.
发明人： JUTTE, Petrus Theodorus , SPRUIT, Johannes Hendrikus Maria , VAN DER LEE, Alexander Marc
IPC分类号： G01S17/58 , G01S17/95 , G01S7/481 , G01S7/491

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