CN101160505A - 用于确定机动车的车轮和/或轴几何特征的方法 - Google Patents
用于确定机动车的车轮和/或轴几何特征的方法 Download PDFInfo
- Publication number
- CN101160505A CN101160505A CNA2006800125890A CN200680012589A CN101160505A CN 101160505 A CN101160505 A CN 101160505A CN A2006800125890 A CNA2006800125890 A CN A2006800125890A CN 200680012589 A CN200680012589 A CN 200680012589A CN 101160505 A CN101160505 A CN 101160505A
- Authority
- CN
- China
- Prior art keywords
- wheel
- image
- point cloud
- vehicle body
- feature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/275—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing wheel alignment
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
- G01B2210/10—Wheel alignment
- G01B2210/14—One or more cameras or other optical devices capable of acquiring a two-dimensional image
- G01B2210/146—Two or more cameras imaging the same area
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
- G01B2210/10—Wheel alignment
- G01B2210/20—Vehicle in a state of translatory motion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
- G01B2210/10—Wheel alignment
- G01B2210/28—Beam projector and related sensors, camera, inclinometer or other active sensing or projecting device
- G01B2210/283—Beam projectors and related sensors
- G01B2210/286—Projecting a light pattern on the wheel or vehicle body
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005017624A DE102005017624A1 (de) | 2005-04-15 | 2005-04-15 | Verfahren zum Bestimmen der Rad- und/oder Achsgeometrie von Kraftfahrzeugen |
DE102005017624.0 | 2005-04-15 | ||
PCT/EP2006/061521 WO2006133982A1 (de) | 2005-04-15 | 2006-04-11 | Verfahren zum bestimmen der rad- und/oder achsgeometrie von kraftfahrzeugen |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101160505A true CN101160505A (zh) | 2008-04-09 |
CN101160505B CN101160505B (zh) | 2010-11-10 |
Family
ID=36782271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006800125890A Active CN101160505B (zh) | 2005-04-15 | 2006-04-11 | 用于确定机动车的车轮和/或轴几何特征的方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8254666B2 (zh) |
EP (1) | EP1875164B1 (zh) |
JP (1) | JP4617377B2 (zh) |
CN (1) | CN101160505B (zh) |
DE (2) | DE102005017624A1 (zh) |
WO (1) | WO2006133982A1 (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102016495A (zh) * | 2008-04-23 | 2011-04-13 | 罗伯特.博世有限公司 | 用于进行底盘测量的方法和装置 |
CN102753313A (zh) * | 2010-02-23 | 2012-10-24 | 罗伯特·博世有限公司 | 用于在车辆上确定间距的方法和装置 |
CN102893125A (zh) * | 2010-05-18 | 2013-01-23 | 罗伯特·博世有限公司 | 用于确定车辆的车轴几何学的方法和装置 |
CN103547885A (zh) * | 2011-05-24 | 2014-01-29 | 罗伯特·博世有限公司 | 用于测量机动车的行走机构的设备和方法 |
CN104937366A (zh) * | 2013-01-22 | 2015-09-23 | 罗伯特·博世有限公司 | 用于进行车辆测量的方法和装置 |
CN109506539A (zh) * | 2018-11-20 | 2019-03-22 | 中国计量科学研究院 | 一种卡尺自动测量装置及其测量方法 |
CN110539297A (zh) * | 2019-08-21 | 2019-12-06 | 长春工程学院 | 一种3d视觉引导的轮对配盘机械手定位方法及装置 |
CN110550067A (zh) * | 2018-06-01 | 2019-12-10 | 阿尔斯通运输科技公司 | 列车车轮的测量方法及相关系统 |
CN110945510A (zh) * | 2017-08-31 | 2020-03-31 | 克朗斯股份公司 | 借助于测量车辆进行空间测量的方法 |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005063051A1 (de) * | 2005-12-29 | 2007-07-05 | Robert Bosch Gmbh | Verfahren zur optischen Fahrwerksvermessung |
DE102006035924A1 (de) | 2006-07-31 | 2008-02-07 | Robert Bosch Gmbh | Verfahren zum Bestimmen der Drehachse und des Drehzentrums eines Fahrzeugrads |
DE102006048725A1 (de) | 2006-10-16 | 2008-04-17 | Robert Bosch Gmbh | Verfahren zum Ermitteln der Drehachse eines Fahrzeugrades |
DE102007021328A1 (de) | 2007-05-07 | 2008-11-13 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Fahrwerksvermessung |
WO2010028965A1 (de) * | 2008-09-12 | 2010-03-18 | Robert Bosch Gmbh | Targetanordnung, satz von target-anordnungen und vorrichtung zur optischen achsvermessung |
DE102008058771A1 (de) * | 2008-11-24 | 2010-05-27 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Verfahren und Vorrichtung zur Unwuchtprüfung an mindestens einem Rad eines Kraftfahrzeugs |
DE102008054975A1 (de) * | 2008-12-19 | 2010-07-01 | Robert Bosch Gmbh | Verfahren zur Fahrwerksvermessung sowie Vorrichtung zum Vermessen der Fahrwerksgeometrie eines Fahrzeugs |
JP5387202B2 (ja) * | 2009-07-23 | 2014-01-15 | 横浜ゴム株式会社 | タイヤ解析システムおよびタイヤ解析方法 |
US8736458B2 (en) | 2010-04-29 | 2014-05-27 | Signature Research, Inc. | Weigh-in-motion scale |
FR2974218A1 (fr) | 2011-04-18 | 2012-10-19 | Michelin Soc Tech | Analyse de l'image numerique de la surface d'un pneumatique - traitement des points de non mesure |
FR2974219A1 (fr) | 2011-04-18 | 2012-10-19 | Michelin Soc Tech | Analyse de l'image numerique de la surface externe d'un pneumatique - traitement des points de fausse mesure |
FR2974220B1 (fr) * | 2011-04-18 | 2013-04-12 | Michelin Soc Tech | Analyse de l'image numerique de la surface interne d'un pneumatique - traitement des points de fausse mesure |
JP6089819B2 (ja) * | 2013-03-13 | 2017-03-08 | 株式会社ジェイテクト | 軸受の構成部品の挙動解析方法および挙動解析装置 |
US9665793B2 (en) | 2013-03-15 | 2017-05-30 | Hunter Engineering Company | Method for determining parameters of a rotating object within a projected pattern |
US10013754B2 (en) * | 2013-08-09 | 2018-07-03 | Hunter Engineering Company | Method and apparatus for utilizing wheel profile data during wheel assembly service procedures |
US9412028B2 (en) * | 2013-11-13 | 2016-08-09 | Elwha Llc | Wheel slip or spin notification |
JP2020508457A (ja) | 2017-03-29 | 2020-03-19 | エスゼット ディージェイアイ テクノロジー カンパニー リミテッドSz Dji Technology Co.,Ltd | センサーシステム及びその方法 |
EP3602121A4 (en) | 2017-03-29 | 2021-05-12 | SZ DJI Technology Co., Ltd. | CIRCUIT FOR PROCESSING LIGHT DETECTION AND DISTANCE MEASUREMENT (LIDAR) SIGNALS |
CN110383647B (zh) | 2017-03-29 | 2022-10-25 | 深圳市大疆创新科技有限公司 | 中空马达设备及相关系统和方法 |
DE102017206625A1 (de) | 2017-04-20 | 2018-10-25 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Fahrwerksvermessung |
EP3615979A4 (en) | 2017-04-28 | 2020-03-25 | SZ DJI Technology Co., Ltd. | ANGLE CALIBRATION IN A LIGHT DETECTION AND DISTANCE MEASURING SYSTEM |
CN110573901A (zh) | 2017-04-28 | 2019-12-13 | 深圳市大疆创新科技有限公司 | 激光传感器和视觉传感器的校准 |
CN110573830B (zh) | 2017-04-28 | 2022-03-22 | 深圳市大疆创新科技有限公司 | 激光传感器的校准方法 |
WO2019014896A1 (en) | 2017-07-20 | 2019-01-24 | SZ DJI Technology Co., Ltd. | SYSTEMS AND METHODS FOR OPTICAL DISTANCE MEASUREMENT |
KR102284565B1 (ko) | 2017-07-31 | 2021-07-30 | 에스지 디제이아이 테크놀러지 코., 엘티디 | 포인트 클라우드에서의 모션 기반 부정확성의 정정 |
CN111033312A (zh) | 2017-08-31 | 2020-04-17 | 深圳市大疆创新科技有限公司 | 光学距离测量设备的延迟时间校准及相关联的系统和方法 |
JP2019078612A (ja) | 2017-10-24 | 2019-05-23 | コニカミノルタ株式会社 | タイヤ変形量算出装置、過積載検出システム及びタイヤ変形量算出方法 |
US11835646B2 (en) | 2018-04-30 | 2023-12-05 | BPG Sales and Technology Investments, LLC | Target alignment for vehicle sensor calibration |
US11597091B2 (en) | 2018-04-30 | 2023-03-07 | BPG Sales and Technology Investments, LLC | Robotic target alignment for vehicle sensor calibration |
US11781860B2 (en) | 2018-04-30 | 2023-10-10 | BPG Sales and Technology Investments, LLC | Mobile vehicular alignment for sensor calibration |
HRP20240567T1 (hr) | 2018-04-30 | 2024-07-05 | BPG Sales and Technology Investments, LLC | Usklađivanje vozila radi kalibracije senzora |
US11243074B2 (en) | 2018-04-30 | 2022-02-08 | BPG Sales and Technology Investments, LLC | Vehicle alignment and sensor calibration system |
IT201900014406A1 (it) * | 2019-08-08 | 2021-02-08 | Autostrade Tech S P A | Metodo e sistema per rilevare gli assi di un veicolo |
CA3206149A1 (en) | 2021-01-28 | 2022-08-04 | Ryan M. Jefferies | Target alignment system and method for sensor calibration |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4159574A (en) * | 1973-12-07 | 1979-07-03 | Erik Samuelsson | Method of measuring the angular position of the axis of rotation of a wheel |
US4097157A (en) * | 1977-03-02 | 1978-06-27 | Fmc Corporation | Vehicle wheel aligner for measuring front wheel toe with respect to the rear wheel axis of rotation |
JPH0625661B2 (ja) * | 1986-07-02 | 1994-04-06 | 日産自動車株式会社 | 自動車のホイ−ルアライメント測定方法 |
US5724743A (en) * | 1992-09-04 | 1998-03-10 | Snap-On Technologies, Inc. | Method and apparatus for determining the alignment of motor vehicle wheels |
FR2730056B1 (fr) * | 1995-01-27 | 1997-04-11 | Muller Bem | Dispositif de detection et de mesure d'emplacement sur corps tournant, et machine d'equilibrage de corps tournant |
US5969246A (en) * | 1995-10-10 | 1999-10-19 | Snap-On Technologies, Inc. | Apparatus and method for determining axial stability |
IT1294940B1 (it) | 1997-08-01 | 1999-04-23 | Corghi Spa | Metodo e dispositivo per regolare l'assetto di un autoveicolo |
DE19757763A1 (de) | 1997-12-23 | 1999-07-01 | Bosch Gmbh Robert | Vorrichtung zum Bestimmen der Rad- und/oder Achsgeometrie von Kraftfahrzeugen |
DE19757760A1 (de) * | 1997-12-23 | 1999-07-01 | Bosch Gmbh Robert | Vorrichtung zum Bestimmen der Rad- und/oder Achsgeometrie von Kraftfahrzeugen |
DE19934864A1 (de) | 1999-07-24 | 2001-02-08 | Bosch Gmbh Robert | Vorrichtung zum Bestimmen der Rad- und/oder Achsgeometrie von Kraftfahrzeugen |
JP3995846B2 (ja) * | 1999-09-24 | 2007-10-24 | 本田技研工業株式会社 | 物体認識装置 |
DE19949704A1 (de) * | 1999-10-15 | 2001-05-10 | Bosch Gmbh Robert | Verfahren und Einrichtung zum Bewerten des Spieles in Lagern oder Gelenken miteinander gekoppelter Bauteile |
DE10050653A1 (de) | 2000-10-13 | 2002-05-02 | Bosch Gmbh Robert | Vorrichtung zum Bestimmen der Rad-und/oder Achsgeometrie |
DE10062251C2 (de) * | 2000-12-14 | 2002-12-12 | Fraunhofer Ges Forschung | Vorrichtung und Verfahren zur Qualitätsüberprüfung eines Körpers |
JP2002188917A (ja) * | 2000-12-22 | 2002-07-05 | Fuji Heavy Ind Ltd | 飛行体の姿勢角検出装置 |
JP4688309B2 (ja) * | 2001-02-20 | 2011-05-25 | 成典 田中 | 3次元コンピュータグラフィックス作成支援装置、3次元コンピュータグラフィックス作成支援方法、及び3次元コンピュータグラフィックス作成支援プログラム |
JP2003097915A (ja) * | 2001-09-27 | 2003-04-03 | Mazda Motor Corp | 車輪挙動計測装置及び当該システム、並びに車輪状態解析装置 |
JP2003294416A (ja) * | 2002-04-03 | 2003-10-15 | Eng Kk | ステレオ画像処理装置 |
US6894771B1 (en) * | 2002-05-15 | 2005-05-17 | Hunter Engineering Company | Wheel alignment apparatus and method utilizing three-dimensional imaging |
US7336350B2 (en) * | 2002-05-15 | 2008-02-26 | Hunter Engineering Company | Wheel alignment apparatus and method utilizing three-dimensional imaging |
EP1522051B1 (en) * | 2002-06-12 | 2006-12-06 | Spatial Integrated Systems, Inc. | Discrete linear space sampling method and apparatus for generating digital 3d models |
US7103212B2 (en) * | 2002-11-22 | 2006-09-05 | Strider Labs, Inc. | Acquisition of three-dimensional images by an active stereo technique using locally unique patterns |
US7355687B2 (en) * | 2003-02-20 | 2008-04-08 | Hunter Engineering Company | Method and apparatus for vehicle service system with imaging components |
DE10335829A1 (de) * | 2003-08-05 | 2005-03-10 | Siemens Ag | Verfahren zur Bestimmung der Achsgeometrie und Sensor zu dessen Durchführung |
US7120524B2 (en) * | 2003-12-04 | 2006-10-10 | Matrix Electronic Measuring, L.P. | System for measuring points on a vehicle during damage repair |
US7199873B2 (en) * | 2004-01-27 | 2007-04-03 | Snap-On Equipment Srl A Unico Socio | Method and apparatus for balancing a motor vehicle wheel |
US7191651B2 (en) * | 2004-08-27 | 2007-03-20 | Hunter Engineering Company | Vehicle wheel balancer system with projection display |
-
2005
- 2005-04-15 DE DE102005017624A patent/DE102005017624A1/de not_active Withdrawn
-
2006
- 2006-04-11 US US11/909,386 patent/US8254666B2/en not_active Expired - Fee Related
- 2006-04-11 WO PCT/EP2006/061521 patent/WO2006133982A1/de not_active Application Discontinuation
- 2006-04-11 CN CN2006800125890A patent/CN101160505B/zh active Active
- 2006-04-11 DE DE502006001766T patent/DE502006001766D1/de active Active
- 2006-04-11 EP EP06792451A patent/EP1875164B1/de active Active
- 2006-04-11 JP JP2008505889A patent/JP4617377B2/ja not_active Expired - Fee Related
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8522609B2 (en) | 2008-04-23 | 2013-09-03 | Robert Bosch Gmbh | Method and device for wheel suspension alignment |
CN102016495A (zh) * | 2008-04-23 | 2011-04-13 | 罗伯特.博世有限公司 | 用于进行底盘测量的方法和装置 |
CN102016495B (zh) * | 2008-04-23 | 2016-12-28 | 罗伯特.博世有限公司 | 用于进行底盘测量的方法和装置 |
CN102753313B (zh) * | 2010-02-23 | 2016-08-17 | 罗伯特·博世有限公司 | 用于在车辆上确定间距的方法和装置 |
CN102753313A (zh) * | 2010-02-23 | 2012-10-24 | 罗伯特·博世有限公司 | 用于在车辆上确定间距的方法和装置 |
US9188439B2 (en) | 2010-02-23 | 2015-11-17 | Robert Bosch Gmbh | Method and device for determining distances on a vehicle |
CN102893125A (zh) * | 2010-05-18 | 2013-01-23 | 罗伯特·博世有限公司 | 用于确定车辆的车轴几何学的方法和装置 |
CN102893125B (zh) * | 2010-05-18 | 2015-06-24 | 罗伯特·博世有限公司 | 用于确定车辆的车轴几何学的方法和装置 |
CN103547885A (zh) * | 2011-05-24 | 2014-01-29 | 罗伯特·博世有限公司 | 用于测量机动车的行走机构的设备和方法 |
US9612106B2 (en) | 2011-05-24 | 2017-04-04 | Robert Bosch Gmbh | Device and method for measuring the running gear of a motor vehicle |
CN103547885B (zh) * | 2011-05-24 | 2017-04-12 | 罗伯特·博世有限公司 | 用于测量机动车的行走机构的设备和方法 |
CN104937366A (zh) * | 2013-01-22 | 2015-09-23 | 罗伯特·博世有限公司 | 用于进行车辆测量的方法和装置 |
CN110945510A (zh) * | 2017-08-31 | 2020-03-31 | 克朗斯股份公司 | 借助于测量车辆进行空间测量的方法 |
CN110550067A (zh) * | 2018-06-01 | 2019-12-10 | 阿尔斯通运输科技公司 | 列车车轮的测量方法及相关系统 |
CN109506539A (zh) * | 2018-11-20 | 2019-03-22 | 中国计量科学研究院 | 一种卡尺自动测量装置及其测量方法 |
CN110539297A (zh) * | 2019-08-21 | 2019-12-06 | 长春工程学院 | 一种3d视觉引导的轮对配盘机械手定位方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1875164A1 (de) | 2008-01-09 |
JP4617377B2 (ja) | 2011-01-26 |
EP1875164B1 (de) | 2008-10-08 |
DE102005017624A1 (de) | 2006-10-19 |
CN101160505B (zh) | 2010-11-10 |
DE502006001766D1 (de) | 2008-11-20 |
US20080319706A1 (en) | 2008-12-25 |
WO2006133982A1 (de) | 2006-12-21 |
US8254666B2 (en) | 2012-08-28 |
JP2008536134A (ja) | 2008-09-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101160505B (zh) | 用于确定机动车的车轮和/或轴几何特征的方法 | |
US11105624B2 (en) | Methods and apparatus to track a blade | |
US8363979B2 (en) | Method for ascertaining the axis of rotation of a vehicle wheel | |
JP4450532B2 (ja) | 相対位置計測装置 | |
US8836764B2 (en) | Method and measuring assembly for determining the wheel or axle geometry of a vehicle | |
CN103398674B (zh) | 非接触式车轮定位传感器以及方法 | |
US20080186514A1 (en) | Method For Optical Chassis Measurement | |
CN103154665B (zh) | 用于分析感测体积中的特征的传感器系统和方法 | |
CN105358937A (zh) | 用于测绘仪器的定位方法和所述测绘仪器 | |
CN105547148A (zh) | 用于提高尺寸标注系统测量准确性的方法 | |
US20110085181A1 (en) | Measuring head for a chassis measuring system, chassis measuring system and method for determining the position parameters of measuring heads of a chassis measuring system | |
CN103814271A (zh) | 一般用于测量车辆的车轮、转向系统和底盘的特征角和尺寸的设备和方法 | |
CN102753313A (zh) | 用于在车辆上确定间距的方法和装置 | |
EP1886091A2 (en) | Machine vision vehicle wheel alignment image processing methods | |
CA2653385A1 (en) | Method and apparatus for obtaining photogrammetric data to estimate impact severity | |
CN103765439A (zh) | 用于环境表示的方法 | |
GB2396005A (en) | Calibrating an image sensor system in an automotive vehicle | |
CN109074653A (zh) | 用于检测机动车辆的道路旁边的物体的方法、计算设备、驾驶员辅助系统以及机动车辆 | |
JP5695821B2 (ja) | カラーコードターゲット、カラーコード判別装置及びカラーコード判別方法 | |
CN104949657A (zh) | 物体检测装置、物体检测方法、以及包括物体检测程序的计算机可读非瞬时性存储介质 | |
CN101981407B (zh) | 底盘测量系统以及确定底盘测量系统的测量头的位置参量的方法 | |
KR101977291B1 (ko) | 타이어의 마모도 측정 장치, 방법 및 컴퓨터 판독 가능한 기록매체 | |
KR20180085574A (ko) | 3d 모델링 기반의 타이어 점검시스템 | |
JP2008209354A (ja) | キャリブレーション方法及び装置、並びに自動検知装置 | |
JPH10221074A (ja) | 三次元座標測定方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190626 Address after: Munich, Germany Patentee after: Best Bart LLC Address before: Stuttgart, Germany Patentee before: ROBERT BOSCH GmbH |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230815 Address after: Munich, Germany Patentee after: BASBAT Automotive Testing Solutions Co.,Ltd. Address before: Munich, Germany Patentee before: Best Bart LLC |
|
TR01 | Transfer of patent right |