CN102448636A - 具有齿分析的钥匙原坯识别系统 - Google Patents

具有齿分析的钥匙原坯识别系统 Download PDF

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CN102448636A
CN102448636A CN2010800241633A CN201080024163A CN102448636A CN 102448636 A CN102448636 A CN 102448636A CN 2010800241633 A CN2010800241633 A CN 2010800241633A CN 201080024163 A CN201080024163 A CN 201080024163A CN 102448636 A CN102448636 A CN 102448636A
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recognition system
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CN102448636B (zh
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切斯特·O·D·汤普森
威廉·R·穆奇
兰德尔·A·波拉斯
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Hy Ko Products Co
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/66—Trinkets, e.g. shirt buttons or jewellery items
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/28—Grooving workpieces
    • B23C3/35—Milling grooves in keys
    • 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
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • 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
    • G01B11/22—Measuring arrangements characterised by the use of optical techniques for measuring depth
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/22—Matching criteria, e.g. proximity measures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/46—Descriptors for shape, contour or point-related descriptors, e.g. scale invariant feature transform [SIFT] or bags of words [BoW]; Salient regional features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2235/00—Details of milling keys
    • B23C2235/12—Using a database to store details of the key, the information in the database being used for the generation of the profile of the key
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2235/00—Details of milling keys
    • B23C2235/41—Scanning systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/30084—Milling with regulation of operation by templet, card, or other replaceable information supply
    • Y10T409/300952—Milling with regulation of operation by templet, card, or other replaceable information supply to cut lock key
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/30084—Milling with regulation of operation by templet, card, or other replaceable information supply
    • Y10T409/300952—Milling with regulation of operation by templet, card, or other replaceable information supply to cut lock key
    • Y10T409/301008—Using templet other than a key
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/30084—Milling with regulation of operation by templet, card, or other replaceable information supply
    • Y10T409/300952—Milling with regulation of operation by templet, card, or other replaceable information supply to cut lock key
    • Y10T409/301064—Complete cycle

Abstract

提供了一种钥匙识别系统。该钥匙识别系统包括：感测装置，其用于从主钥匙提取齿信息；以及逻辑部件，其用于分析图像。所述感测装置可以被构造成捕获关于主钥匙的齿的信息，诸如齿的图像等。所述逻辑部件分析关于主钥匙的齿的信息并且将所述信息与已知的钥匙原坯的齿特征进行比较，以确定主钥匙和已知的钥匙原坯之间的匹配可能性。

Description

具有齿分析的钥匙原坯识别系统
相关申请的交叉引用
本申请要求2009年5月1日提交的美国临时专利申请序列号61/215,122以及2009年9月1日提交的美国临时专利申请序列号61/275,648的优先权，所述专利申请的全部内容均通过引用合并于此。
技术领域
本发明总体而言涉及对象识别系统领域，特别涉及利用装置识别钥匙原坯的系统，所述钥匙原坯功能上兼容未知的钥匙。
背景技术
钥匙复制技术是众所周知的。一般地，利用现有技术中已知的大量不同系统将打算复制的钥匙(主钥匙)复制到适当识别的钥匙原坯上。识别制作钥匙的复制件时要使用的适当钥匙原坯的过程可能是困难、乏味且耗时的事情。将各主钥匙复制到适合的钥匙原坯上是重要的，以防止由于将主钥匙再次复制到不适当的钥匙原坯上而引起的诸多不良后果。然而，即使对于本领域专家来说选择正确的钥匙原坯也可能是困难的。
即使没有上千也有上百种钥匙原坯，很多原坯不能容易地与其他原坯区别开。识别复制用的正确的钥匙原坯需要从钥匙原坯之间的差别可能非常细微的上百种甚至上千种可能性中选择原坯。这些难以注意到的细微处对于这种钥匙复制系统的所有操作员而言，包括缺乏经验的新手和专家均明显地增加了难度等级。
一旦选出了钥匙原坯，就对其进行切割处理。典型的切割处理是简单地将主钥匙的轮廓描绘到钥匙原坯上，使得钥匙原坯与原始主钥匙(在描绘器的误差极限和精度内)精确地匹配。通常，机械连接的切割轮在描绘器沿主钥匙的轮廓纵向移动时以模拟该描绘器的该移动的状态实际切入钥匙原坯。如果在该处理期间提供了不正确的钥匙原坯，则形成复制钥匙的钥匙原坯可能不具有正确的纵向长度，因此导致失败。当发生这种类型的失败时，必须重新开始选择复制用钥匙原坯以及随后的机械切割钥匙的整个处理过程。更糟的是，如果原坯具有了正确的长度但却不具有适当的厚度、轮廓、槽或其他特征，则可能直到钥匙实际插入锁中才发现该失败。
提供钥匙切割服务的企业往往没有配备有经验的锁匠。反而通常将雇员训练成“仔细盯住”哪个被认为是正确的原坯然后切割出复制的钥匙。所述不正规且不精确的钥匙原坯识别方法总是增加复制处理的失败率。这些失败往往由企业承担费用并且使钥匙持有人非常失望。因此，厂家希望有能够提高钥匙复制的精度和效率且使用方便的钥匙原坯识别系统。
毫不奇怪，一直进行着大量尝试以改进识别系统和/或钥匙复制系统。这些改进中的很多均包括设计成基于要复制的钥匙的诸如长度、形状和槽特征等物理参数来确定合适的钥匙原坯的成像系统。
虽然这些系统中的很多都提供了用于确定合适的钥匙原坯的有用的改进，但是它们仍具有多种缺陷。具体地，这些系统中的很多将来自主钥匙的扫描数据与已知的钥匙原坯的数据进行比较。然而，在一些例子中，所扫描的钥匙参数和钥匙原坯数据不足以确定合适的钥匙原坯。在这种情况下，关于主钥匙和钥匙原坯的附加信息对于缩小预期的钥匙原坯的范围是有用的。因此，需要用于确定钥匙原坯的改进的系统和方法。
发明内容
提供了一种钥匙识别系统。该钥匙识别系统包括：感测装置，其构造为确定主钥匙的信息和特征；以及逻辑部件，其分析主钥匙的信息和特征。感测装置可以构造成捕获关于主钥匙的齿的信息。逻辑部件分析关于齿的信息并且将该信息与已知的钥匙原坯的齿特征进行比较，以确定主钥匙和已知的钥匙原坯之间的匹配可能性。
在实施例中，构造成提取齿信息的系统可以包括诸如照相机等的成像系统或其他成像装置。照相机可以拍摄主钥匙的齿的诸如数字图像等的图像以由逻辑部件进行分析。
附图说明
通过以下针对附图所进行的详细说明可以更好地理解本发明的目的、优点连同操作。在所述附图中：
图1示出主钥匙。
图2示出钥匙ID系统的实施例。
图3示出TR47主钥匙和TR47钥匙数据之间的示例比较图。
图4示出KW1主钥匙和KW1钥匙数据之间的示例比较图。
图5示出KW1主钥匙和SC1钥匙数据之间的示例比较图。
图6示出KW1主钥匙和AM3钥匙数据之间的示例比较图。
具体实施方式
现在将详细说明关于本发明的示例性实施方式，附图中示出了这些示例性实施方式的示例。可以理解，可以使用其他实施方式并且可以在不脱离本发明的相应范围的情况下进行结构和功能的改变。
提供了用于识别钥匙原坯的系统(“钥匙ID系统”)和用于识别钥匙原坯的方法。钥匙ID系统对准备复制的诸如门钥匙、车钥匙或其他钥匙等的主钥匙进行分析，并且确定要使用的适当钥匙原坯。这里所述的系统和方法可以独立地用于确定合适的钥匙原坯，或可以与其他系统联合起来使用以缩小预期的钥匙原坯的范围。此外，可以理解，可以对现有钥匙识别系统进行改进或改装以实施这里所述的一些或全部特征。
参照图1描述主钥匙10。主钥匙10可以包括诸如头部16和锁舌部18等的标准钥匙特征。锁舌部18的一端连接到头部16，而顶端14位于相反端。主钥匙10可以包括在锁舌部切割出的牙或齿12。齿12由切入锁舌部18的凹槽(notch)组成，以便与相应的锁的制动栓相互配合使用。齿12必须与锁的特有的制动栓构造匹配以致动并扭转锁。
钥匙ID系统可以分析主钥匙10以确定钥匙10的某些物理特征。基于这些特征，钥匙ID系统可以由此确定准备用于复制主钥匙10的合适的钥匙原坯。例如，钥匙ID系统可以包括感测装置或系统，以从主钥匙10提取齿信息。感测系统可以感测并且捕获齿12的参数。感测系统可以包括任何机械的、电子的或光学传感器、成像装置或者现有技术中已知的用于提取钥匙或类似对象的物理特征的其他工具。
在实施例中，用于从主钥匙10提取齿信息的感测系统包括用于扫描和分析主钥匙10的物理特征的成像系统。如现有技术中已知的，成像系统可以是激光成像系统、光学成像系统、照片成像系统或现有技术中已知的任何其他成像系统。成像系统可以扫描主钥匙或拍摄主钥匙的图像以确定钥匙的对于特定钥匙原坯而言独特的特征。此外，可以理解，诸如电的、机械的或光学的传感器等的其他已知的方法或装置可用来代替所述成像系统，或与所述成像系统联合起来使用以确定主钥匙几何形状的特性和特征。
在图2所示的实施例中，成像系统包括一个或多个构造成拍摄主钥匙10的诸如数字图像等的图像的照相机20。照相机20可以特别地定位成拍摄锁舌部18和齿12的图像。照相机20可以定位成垂直于锁舌部18。可选地，照相机20可以定位成以某个角度或在其他位置处拍摄期望的图像。
成像系统可以进一步包括诸如一个或多个灯24和镜等的其他部件以辅助拍摄主钥匙10的图像。灯24可以定位成增强成像系统所记录的图像的清晰度和质量。例如，灯24可以定位成为钥匙提供背光。镜可以定位成使得处于第一位置的照相机能够从第二位置记录钥匙的图像。镜可以进一步使得单个照相机能够从不同的角度记录主钥匙的多个图像，由此增加了由单个照相机记录的与主钥匙相关的信息量。
如图2中所示，成像系统可以包括一个或多个反射器26。反射器26可以定位成将光引导到期望位置。例如，如图2中所示，反射器可以定位在钥匙10的下方并且面对灯24。反射器26可以诸如向上倾斜一定角度以将来自灯24的光引导到钥匙10的下侧，由此提供钥匙10的背光。然而，可以理解为，灯24和反射器26可以以任何构造配置以使钥匙10的图像优化或清晰。
钥匙ID系统可以包括钥匙保持器22以保持主钥匙10。钥匙保持器可以是能够保持或支撑主钥匙10的任何装置。例如，如图2中所示，钥匙保持器22可以包括下部支撑件和上部门以便夹紧钥匙10。钥匙保持器可以可选地包括夹具、握爪、平台、悬架或构造成保持主钥匙10的任何其他装置。
如下面进一步详细地所述，钥匙ID系统可以分析主钥匙的牙或齿12的特征。因为齿12被构造成与相应的锁的独特的制动栓构造匹配，所以齿12的各种特征对于某个类型的钥匙原坯来说是独特的。例如，某些钥匙制造商可以将不同的齿模式或一套独特的齿模式用于他们的锁或一组锁。此外，诸如门钥匙或车钥匙等某个类型的钥匙可以与其他类型的钥匙使用不同的齿构造。通过分析主钥匙的齿12并且将它们与使用已知的钥匙原坯的齿构造进行比较，可以大大地减小预期匹配的钥匙原坯的范围。
钥匙ID系统可以包括逻辑部件以分析钥匙ID系统捕获的齿特征信息。如此处所使用的，“逻辑部件”包括但不限于软件、固件、可执行程序、硬件或硬接线电路或者它们的组合。例如，基于期望的应用或需求，逻辑部件可以包括软件控制的微处理器、例如专用集成电路(ASIC)等的分散的逻辑模块、模拟电路、数字电路、编程的逻辑器件、包含指令的存储器件等。逻辑部件可以包括一个或多个门、门的组合或其他电路部件。逻辑部件也可以被完全实施为软件。在说明了多个逻辑部件的情况下，可以将多个逻辑部件整合到一个物理逻辑部件中。类似地，在说明了单个逻辑部件的情况下，可以在多个物理逻辑部件之间分配该单个逻辑部件。
逻辑部件可以构造成确定已知的钥匙原坯与主钥匙10之间的相关性或匹配可能性。例如，逻辑部件可以包括用于存储钥匙相关信息(“钥匙数据”)的数据库。钥匙数据可以包括已知的钥匙原坯的诸如长度、形状、齿信息、钥匙槽的尺寸、形状和位置等特征以及已知的钥匙原坯的其他几何和物理特征。数据库可以与逻辑部件集成在一起、与逻辑部件通信或能够远程访问逻辑部件。数据库可以使钥匙数据与特定的钥匙原坯相关联，或者与钥匙原坯的类型或组相关联。例如，数据库可以使钥匙数据与特定的钥匙制造商相关联，或者与诸如门钥匙或车钥匙等的不同钥匙类型相关联。钥匙ID系统可以访问数据库以将主钥匙的扫描特征与数据库中存储的钥匙数据进行比较。不具有与主钥匙的特征一致的特征的钥匙原坯由此被排除作为可能匹配的钥匙原坯。钥匙ID系统可以以一个或多个角度扫描主钥匙10并且将扫描数据与所存储的钥匙数据进行比较。
在实施例中，数据库存储与使用已知的钥匙原坯的齿相关的钥匙数据。传统地，钥匙齿被表示为包含关于钥匙如何被锁匠切割的信息的数字齿码。齿码通常是可以根据钥匙码图或齿码表翻译或解码的一系列整数(例如372164)。然而，不是齿码中的所有信息都是确定齿的独特特性所必要的。因此，数据库可以存储与已知的钥匙齿模式相关的数据而不存储数字齿码。例如，数据库可以存储使用已知的钥匙原坯的齿几何形状的测量值。
所存储的齿几何形状可以包括齿间距、凹槽深度、锁舌部宽度和齿平坦部宽度(bitting flat width)。间距数据与沿着钥匙锁舌部18的长度的各齿凹槽的位置或各齿凹槽之间的间距相关。可以测量从各凹槽的中心到诸如顶端14或锁舌部18的肩部等的特定基准点的间距数据。深度数据可以与各齿凹槽的深度相关，并且可以测量诸如锁舌部18的背面或中心线等的基准边缘和凹槽表面之间的距离作为深度数据。锁舌部宽度可以与要被切割的锁舌部表面的宽度相关。齿平坦部宽度可以与各凹槽表面的宽度相关，并且可以测量横跨凹槽底部的距离作为齿平面宽度。
在实施例中，逻辑部件可以通过分析成像系统拍摄的图像来确定主钥匙10的齿参数。可以将齿参数与数据库中的齿数据进行比较以确定主钥匙10是否匹配数据库中的一个或多个钥匙原坯。如图3至图6中所示，可以在诸如齿凹槽处等的各种预选点处分析主钥匙的齿9的诸如间距和深度等的参数。然后可以将主钥匙齿参数与数据库中的齿数据进行比较。如果主钥匙的齿参数与数据库中的钥匙原坯的齿数据匹配，则该钥匙原坯可能适于复制主钥匙。例如，如果主钥匙10的各齿深度都非常接近给定的钥匙原坯的允许齿深度，则该钥匙原坯可能是匹配的。相同地，如果主钥匙10的齿平坦部宽度和齿的间距接近给定的钥匙原坯的允许齿平坦部宽度和间距，则该钥匙原坯可能是匹配的。然而，如果主钥匙的齿数据不接近给定的钥匙原坯的允许数据，则可以将该给定的一个或多个钥匙原坯排除作为可能的匹配。
数据库可以将齿数据与各种钥匙相关标识相关联。例如，当齿数据可以与特定钥匙原坯直接关联时，其还可以与诸如由特定钥匙制造商制造的钥匙或某种类型的钥匙等的钥匙组相关联。因此，如果主钥匙的齿参数与钥匙组共用的齿参数不匹配，则可以排除大部分潜在的钥匙原坯。
能够以多种方法分析齿位置。一个实施方式包括首先确定未知的对象钥匙的模式。然后，可以针对对象钥匙测试各所存储模式。测试可能涉及检查所存储模式的各个已知间距位置并且查看该位置处是否存在齿。为了完成该测试，逻辑部件对采样位置附近的相对于主钥匙模式的锁舌部18的长度的斜度或角度进行分析或测量并且判断该位置是否存在“平坦部”。平坦部可以被定义为模式中斜度或角度接近0度(例如小于17度)的(例如0.020″宽)的段，所述段是目标间距位置的中心或者仅在其左侧或右侧。如果识别出了平坦部，则平坦部的深度也能够从与基准轴线有关的对象钥匙模式识别出。
为了考虑到主钥匙中的合理变化，钥匙ID系统可以针对各齿参数测量值设定公差范围。为了使钥匙原坯匹配主钥匙，比较值必须落在预定的公差范围内。例如，如图3至图6的测试结果窗中所示，齿深度的公差范围可以设定为正负千分之六英寸。为了使主钥匙匹配钥匙原坯，各深度测量比较值必须落在该范围内。如图3和图4所示，比较值全都在-1和+1之间，表明主钥匙与被测试的一个或多个钥匙原坯匹配。然而，图5和图6示出大于6的比较值，表明主钥匙不与被测试的一个或多个钥匙原坯匹配。合格/不合格限制(公差范围)可以基于主钥匙的深度偏差的设定范围、设定百分比或者某个其他参数。限制可以设定为对于所有钥匙来说相同，或在钥匙与钥匙之间各不相同。
为了考虑到对象钥匙和/或检查系统固有的位置变化，可以在使数据沿一个或两个方向以小增幅(例如0.020″)移位的状态下重复模式匹配算法。例如，如果钥匙原坯被轻微地错误切割并且间距从标称位置移位了，则检索可能在标称位置处失效但可以识别从标称位置轻微移位了的模式。
可以使用0至100％的得分系统来测量间距和深度评估值，其中0被认为是不可能匹配并且100被认为是完美匹配。于是，齿的总得分就是组合的间距得分和深度得分的乘积。
逻辑部件可以将主钥匙10的齿与数据库中的关于钥匙原坯的钥匙数据进行比较并且对给定的钥匙原坯评估一系列预设间距点。例如，可以在各间距点处分析主钥匙10的几何形状。可以基于间距点处的齿12的平坦度和齿12相对于数据库深度的变化或斜度的测量值得到各间距点的得分。可以变化角度之间的关系以获得最优结果。间距点附近的区域越平坦，得分越高。例如，零度(或平坦)可以代表得分为100，并且45度可以代表得分为0。类似地，逻辑部件可以基于相对于数据库中存储的给定钥匙原坯的一个有效深度的变化来分析各间距点处的锁舌部的深度并且对该间距点给出得分。例如，没有变化可以表示得分为100并且2X深度之间的差可以表示得分为0。
逻辑部件可以计算各间距点的评估值并且然后通过平均所有点来计算总值。可以在朝向钥匙10的头部16轻微移位的情况下重复该整个处理，并且在朝向钥匙10的顶端14轻微移位的情况下再次重复该整个处理。这样将补偿具有轻微间距移位的钥匙10。将三个总值中最好的值用于齿评价的最终结果。
逻辑部件可以确定主钥匙10的齿12上的各平坦部的中心。因为位于齿的尖峰上的平坦部的中心可能由于左侧和右侧上的齿深度而歪斜，所以逻辑部件可以忽略尖峰。因为齿12的脊部上的平坦部的中心可能由于左侧或右侧的齿12的深度和高度而歪斜，所以逻辑部件还可以忽略脊部。然而，位于“谷部”或位于深度较小的齿之间的平坦部不管两侧如何经常能适当地对中。对于各识别出的谷部来说，逻辑部件可以比较最接近的数据库间距位置并且给出得分。于是，基于各谷部的平均得分来计算总的间距得分。
可以理解，数据库不限于齿数据。除了齿数据以外，数据库可以存储与钥匙的其他识别参数有关的信息。钥匙ID系统可以组合使用齿信息和其他钥匙参数，以缩小可能的钥匙原坯的范围。
所述钥匙ID系统可以与其他已知的钥匙识别系统联合使用。例如，钥匙ID系统可以与用户界面识别系统联合使用，所述用户界面识别系统是诸如美国专利公报No.2004/0095380中公开的对象识别系统和美国专利公报No.2007/0224008中公开的钥匙复制系统，所述专利公报的所有内容通过引用合并于此。
上面已经说明了本发明，显然，对于其他人来说在阅读和理解本说明书的情况下可以进行变型和修改。所附的权利要求书意欲包括进入权利要求书的范围或等同范围内的所有变型和修改。

Claims (20)

1.一种钥匙识别系统，其包括：
感测系统，其用于从主钥匙提取齿信息；以及
逻辑部件，其用于分析所述齿信息以确定所述主钥匙的齿的特征，并且进一步将所述齿的所述特征与已知的钥匙原坯的齿特征进行比较以确定所述主钥匙和已知的钥匙原坯之间的匹配可能性。
2.根据权利要求1所述的钥匙识别系统，其特征在于，所述逻辑部件包括数据库，所述数据库包含与已知的钥匙原坯的齿特征有关的数据。
3.根据权利要求1所述的钥匙识别系统，其特征在于，所述感测系统包括成像系统。
4.根据权利要求3所述的钥匙识别系统，其特征在于，所述成像系统用于拍摄所述主钥匙的齿的图像。
5.根据权利要求3所述的钥匙识别系统，其特征在于，所述成像系统包括照相机。
6.根据权利要求5所述的钥匙识别系统，其特征在于，所述照相机被定位成与所述主钥匙的锁舌部垂直。
7.根据权利要求3所述的钥匙识别系统，其特征在于，所述成像系统包括灯。
8.根据权利要求4所述的钥匙识别系统，其特征在于，所拍摄的所述图像是数字图像。
9.根据权利要求1所述的钥匙识别系统，其特征在于，还包括钥匙保持器，所述钥匙保持器用于保持所述主钥匙。
10.根据权利要求9所述的钥匙识别系统，其特征在于，所述钥匙保持器包括支撑件和上部门。
11.根据权利要求2所述的钥匙识别系统，其特征在于，所述与已知的钥匙原坯的齿特征有关的数据包括与给定钥匙原坯相关联的在给定锁舌部间距点处的深度的集合。
12.根据权利要求2所述的钥匙识别系统，其特征在于，所述与已知的钥匙原坯的齿特征有关的数据包括与给定钥匙原坯相关联的在给定锁舌部间距点处的齿平坦部宽度的集合。
13.根据权利要求2所述的钥匙识别系统，其特征在于，所述与已知的钥匙原坯的齿特征有关的数据包括与给定钥匙原坯相关联的齿中心的集合。
14.根据权利要求11所述的钥匙识别系统，其特征在于，所述逻辑部件将所述主钥匙的齿在各间距点处的深度与所述给定钥匙原坯的所述深度的集合进行比较。
15.根据权利要求14所述的钥匙识别系统，其特征在于，所述逻辑部件基于所述主钥匙在各间距点处的深度与所述给定钥匙原坯的所述深度的集合之间的比较来计算所述给定钥匙原坯的得分。
16.根据权利要求12所述的钥匙识别系统，其特征在于，所述逻辑部件将所述主钥匙的齿在各间距点处的齿平坦部宽度与所述给定钥匙原坯的所述齿平坦部宽度的集合进行比较。
17.根据权利要求16所述的钥匙识别系统，其特征在于，所述逻辑部件基于所述主钥匙在各间距点处的齿平坦部宽度与所述给定钥匙原坯的所述齿平坦部宽度的集合之间的比较来计算所述给定钥匙原坯的得分。
18.根据权利要求13所述的钥匙识别系统，其特征在于，所述逻辑部件将所述主钥匙的齿的齿中心与所述给定钥匙原坯的所述齿中心的集合进行比较。
19.根据权利要求18所述的钥匙识别系统，其特征在于，所述逻辑部件基于所述主钥匙的齿中心与所述给定钥匙原坯的所述齿中心的集合之间的比较来计算所述给定钥匙原坯的得分。
20.根据权利要求2所述的钥匙识别系统，其特征在于，所述逻辑部件分析所述主钥匙在锁舌部间距点处的齿深度、齿平坦部宽度和齿中心之一，其中，所述锁舌部间距点相对于与给定钥匙原坯相关联的锁舌部间距点存在移位。
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US9582734B2 (en) 2017-02-28
US20170193327A1 (en) 2017-07-06
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US20140140628A1 (en) 2014-05-22
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