公开(公告)号：US20180059481A1

公开(公告)日：2018-03-01

申请号：US15249163

申请日：2016-08-26

申请人： Laser Technology, Inc. ,  Kama-Tech (HK) Limited

发明人： Jeremy G. Dunne

IPC分类号： G02F1/1335

CPC分类号： G02F1/133606 ,  G01P1/08 ,  G02B27/026 ,  G02B2027/0147 ,  G02F1/133603 ,  G02F2001/133607

摘要： A backlight system for a display device which comprises a light emitting diode comprising an encapsulating lens and an aspheric lens interposed between the light emitting diode and the display device. The backlight system provides a luminance of substantially 100K nits at a cone angle of substantially 12° and is of particular utility in conjunction with laser-based range and speed measurement instruments.

公开(公告)号：US09576484B2

公开(公告)日：2017-02-21

申请号：US13411219

申请日：2012-03-02

申请人： Jiyoon Chung ,  Jeremy G. Dunne

发明人： Jiyoon Chung ,  Jeremy G. Dunne

IPC分类号： G01C3/08 ,  G08G1/052 ,  G01P3/68 ,  G01S17/58 ,  G01S17/88 ,  G01S7/481

CPC分类号： G08G1/052 ,  G01P3/68 ,  G01S7/481 ,  G01S17/58 ,  G01S17/88

摘要： A system and method for monitoring vehicular traffic with a laser rangefinding and speed measurement device utilizing a shaped divergent laser beam pattern. In accordance with the present invention, a traffic monitoring device is disclosed which comprises a light emitting diode having a die element producing an asymmetric beam pattern, an aperture for at least partially precluding some portion of the beam pattern in a first direction while allowing the beam pattern in a second orthogonal direction to pass therethrough and a lens associated with the aperture for causing the laser beam exiting the aperture to diverge providing a cone-like beam of laser energy.

摘要翻译： 一种使用激光测距和速度测量装置利用成形发散激光束图案来监测车辆交通的系统和方法。 根据本发明，公开了一种交通监控装置，其包括具有产生不对称束图案的模具元件的发光二极管，用于至少部分地阻止沿第一方向的波束图案的一些部分的孔，同时允许波束 在第二正交方向上通过的图案和与该孔相关联的透镜，用于使离开孔的激光束发散以提供锥形的激光能量束。

公开(公告)号：US20150276921A1

公开(公告)日：2015-10-01

申请号：US13267395

申请日：2011-10-06

申请人： Jeremy G. Dunne

发明人： Jeremy G. Dunne

IPC分类号： G01S7/481

CPC分类号： G01S7/486 ,  F41G3/06 ,  G01C3/08 ,  G01S7/481 ,  G01S7/4861 ,  G01S17/10 ,  H03F1/342 ,  H03F3/082 ,  H03F3/165 ,  H03F3/45085 ,  H03F3/45475

摘要： A non-saturating receiver design and clamping structure for high power laser rangefinders of especial utility with respect to pumped, monoblock lasers. The receiver comprises a photodiode and a transimpedance amplifier having at least first and second stages. The first stage comprises a field effect transistor and the second stage comprises a non-saturating, non-inverting amplification stage including a differential pair of bipolar transistors having a feedback path coupling the second stage to the input of the first stage. A clamping structure for the receiver comprises a resistor coupling a cathode of the photodiode to a first voltage input and a clamping diode also coupling the cathode to a second lower voltage input. A capacitor having a capacitance Cs couples the cathode of the photodiode to a reference voltage line, wherein the capacitance Cs is greater than the capacitance of the photodiode CD.

摘要翻译： 用于大功率激光测距仪的非饱和接收机设计和夹紧结构，对于泵浦，单块激光器具有特别实用性。 接收机包括具有至少第一和第二级的光电二极管和跨阻放大器。 第一级包括场效应晶体管，并且第二级包括非饱和的非反相放大级，其包括具有将第二级耦合到第一级的输入的反馈路径的双极晶体管的差分对。 用于接收器的夹持结构包括将光电二极管的阴极耦合到第一电压输入端的电阻器和还将阴极耦合到第二较低电压输入端的钳位二极管。 具有电容Cs的电容器将光电二极管的阴极耦合到参考电压线，其中电容Cs大于光电二极管CD的电容。

公开(公告)号：US20140071432A1

公开(公告)日：2014-03-13

申请号：US13615143

申请日：2012-09-13

申请人： Jeremy G. Dunne

发明人： Jeremy G. Dunne

IPC分类号： G01C3/08

CPC分类号： G01S7/4815 ,  G01C3/08 ,  G01C15/002 ,  G01S7/4802 ,  G01S7/497 ,  G01S17/10 ,  G01S17/105 ,  G01S17/36

摘要： A system and method for a rangefinding instrument incorporating pulse and continuous wave signal generating and processing techniques for increased distance measurement accuracy. The use of the former technique effectively solves the ambiguity issues inherent in the latter while allowing for relatively simple circuit implementations. Thus, a potentially more accurate phase-based distance measurement technique can be utilized which is also completely independent of the maximum range to the target.

摘要翻译： 一种用于测距仪器的系统和方法，其包括脉冲和连续波信号产生和处理技术，用于增加距离测量精度。 使用前一种技术有效地解决了后者中固有的歧义问题，同时允许相对简单的电路实现。 因此，可以利用可能更精确的基于相位的距离测量技术，其也完全独立于目标的最大距离。

公开(公告)号：US20130229644A1

公开(公告)日：2013-09-05

申请号：US13411219

申请日：2012-03-02

申请人： Jiyoon Chung ,  Jeremy G. Dunne

发明人： Jiyoon Chung ,  Jeremy G. Dunne

IPC分类号： G01C3/08 ,  G01P3/36

CPC分类号： G08G1/052 ,  G01P3/68 ,  G01S7/481 ,  G01S17/58 ,  G01S17/88

摘要： A system and method for monitoring vehicular traffic with a laser rangefinding and speed measurement device utilizing a shaped divergent laser beam pattern. In accordance with the present invention, a traffic monitoring device is disclosed which comprises a light emitting diode having a die element producing an asymmetric beam pattern, an aperture for at least partially precluding some portion of the beam pattern in a first direction while allowing the beam pattern in a second orthogonal direction to pass therethrough and a lens associated with the aperture for causing the laser beam exiting the aperture to diverge providing a cone-like beam of laser energy.

摘要翻译： 一种使用激光测距和速度测量装置利用成形发散激光束图案来监测车辆交通的系统和方法。 根据本发明，公开了一种交通监控装置，其包括具有产生不对称束图案的模具元件的发光二极管，用于至少部分地阻止沿第一方向的波束图案的一些部分的孔，同时允许波束 在第二正交方向上通过的图案和与该孔相关联的透镜，用于使离开孔的激光束发散以提供锥形的激光能量束。

公开(公告)号：US20130066542A1

公开(公告)日：2013-03-14

申请号：US13228250

申请日：2011-09-08

申请人： Jiyoon Chung

发明人： Jiyoon Chung

IPC分类号： G08G1/052 ,  G08G1/04

CPC分类号： G08G1/04 ,  G08G1/052 ,  G08G1/054

摘要： An intelligent laser tracking system and method for mobile and fixed position traffic monitoring and enforcement applications. The system disclosed herein can autonomously track multiple target vehicles with a highly accurate laser based speed measurement system or, under manual control via a touch screen, select a particular target vehicle of interest. In a mobile application the police vehicle speed is determined through the OBD II CAN port and updated for accuracy though an onboard GPS subsystem. The system and method of the present invention simultaneously provides both narrow and wide images of a target vehicle for enhanced evidentiary purposes. A novel, low inertia pan/tilt mechanism provides extremely fast and accurate target vehicle tracking and can compensate for geometrical errors and the cosine effect.

摘要翻译： 一种用于移动和固定位置交通监控和执行应用的智能激光跟踪系统和方法。 本文公开的系统可以利用高度精确的基于激光的速度测量系统自主地跟踪多个目标车辆，或者在通过触摸屏手动控制下，选择感兴趣的特定目标车辆。 在移动应用中，警车速度通过OBD II CAN端口确定，并通过车载GPS子系统进行更新。 本发明的系统和方法同时提供目标车辆的窄和宽图像以增强证据目的。 一种新颖的低惯性摇摄/倾斜机构提供了非常快速和准确的目标车辆跟踪，并可以补偿几何误差和余弦效应。

公开(公告)号：US20090079960A1

公开(公告)日：2009-03-26

申请号：US12236288

申请日：2008-09-23

申请人： Jiyoon Chung

发明人： Jiyoon Chung

IPC分类号： G01P3/36 ,  G01S1/00

CPC分类号： G08G1/054 ,  G01S17/023 ,  G01S17/10 ,  G01S17/58

摘要： Devices capable of capturing still and motion imagery are integrated with an accurate distance and speed measuring apparatus. By measuring the changing distance of the target over that time, a target's speed can be determined. At substantially the same time as the target's speed is determined, imagery of the target is captured in both a still and moving format. Using a queuing mechanism for both distance and imagery data along with time stamps associated with each, a target's image, both in motion and still, can be integrated with its speed. In situations in which a still image is unavailable, a target's speed can be associated with a portion of a continuous stream of motion imagery to a point where a positive identification can be captured with a still image.

摘要翻译： 能够捕获静止和运动图像的装置与精确的距离和速度测量装置集成在一起。 通过测量目标在那段时间内的变化距离，可以确定目标的速度。 在确定目标速度的基本同时，以静止和移动格式捕获目标的图像。 使用距离和图像数据的排队机制以及与每个时间戳相关联的时间戳，目标的运动和静止图像都可以与其速度相结合。 在静止图像不可用的情况下，目标的速度可以与运动图像的连续流的一部分相关联，从而可以用静止图像捕获正的标识。

公开(公告)号：US20070153378A1

公开(公告)日：2007-07-05

申请号：US11685080

申请日：2007-03-12

申请人： Wai-Hon Lee

发明人： Wai-Hon Lee

IPC分类号： G03C5/00 ,  G03B21/56 ,  G02B3/08

CPC分类号： G03B21/625

摘要： A Fresnel lens of the prior art is split into two Fresnel lenses to allow easier control of the horizontal and vertical viewing angles. In a second embodiment, the Fresnel lens is entirely eliminated. Instead, the diffuser contains elliptical microstructures so that the diffusing cones in orthogonal directions are different, eliminating the need for a Fresnel lens to perform this function. To compensate for the absence of the light collimation provided by the Fresnel lens, a diffuser with spatially varying diffusing angles is used.

摘要翻译： 现有技术的菲涅尔透镜被分成两个菲涅耳透镜，以便更容易地控制水平和垂直视角。 在第二实施例中，菲涅尔透镜被完全消除。 相反，扩散器包含椭圆形微结构，使得在正交方向上的漫射锥不同，从而不需要菲涅尔透镜来执行该功能。 为了补偿由菲涅耳透镜提供的光准直的缺失，使用具有空间上变化的扩散角的扩散器。

公开(公告)号：US6043868A

公开(公告)日：2000-03-28

申请号：US238349

申请日：1999-01-27

申请人： Jeremy G. Dunne

发明人： Jeremy G. Dunne

IPC分类号： G01C3/08 ,  G01S7/481 ,  G01S7/483 ,  G01S7/484 ,  G01S17/10 ,  H03K17/0416

CPC分类号： H03K17/04166 ,  G01C3/08 ,  G01S7/4813 ,  G01S7/484 ,  G01S17/10 ,  G01S7/483

摘要： A circuit and apparatus for generating a light pulse from an inexpensive light-emitting diode (LED) for an accurate distance measurement and ranging instrument comprises an LED and a firing circuit. An optional pre-biasing circuit provides a reverse-bias signal to the LED to ensure the LED does not begin to emit light before a firing circuit can provide a sufficiently high current pulse of short duration as a forward current through the LED. The LED is driven by the firing circuit with a pulse of high peak power and short duration. The resulting light pulse from the LED can be inexpensively used to derive distance and ranging information for use in a distance measurement and ranging device.

摘要翻译： 用于从廉价的发光二极管（LED）产生用于精确距离测量和测距仪器的光脉冲的电路和装置包括LED和点火电路。 可选的预偏置电路为LED提供反向偏置信号，以确保LED不会在点火电路提供足够长的短时间的电流脉冲之前开始发光，作为通过LED的正向电流。 LED由具有高峰值功率和持续时间短的脉冲由点火电路驱动。 来自LED的所得光脉冲可以被廉价地用于导出用于距离测量和测距装置的距离和测距信息。

公开(公告)号：US6040897A

公开(公告)日：2000-03-21

申请号：US69447

申请日：1998-04-29

申请人： Bruce Clifford ,  John Harrison

发明人： Bruce Clifford ,  John Harrison

IPC分类号： G01F23/292 ,  G11B5/55 ,  G01C3/08 ,  G01F23/00

CPC分类号： G11B5/5504 ,  G01F23/2928

摘要： Disclosed is an optical sensor used for remote laser level monitoring in liquid storage vessels. The sensor is mounted directly to a standard tank nipple, located on top of the vessel, by a threaded connecting means and is linked to a laser measurement device via fiber optic cabling. The level in the vessel is measured as a function of the time required for a laser signal to be transmitted from the sensor, reflected off the liquid surface and returned to the receiver lens located in the sensor.