WO2012163256A1 - 具有加速度测量功能的移动支付方法及装置 - Google Patents

具有加速度测量功能的移动支付方法及装置 Download PDF

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Publication number
WO2012163256A1
WO2012163256A1 PCT/CN2012/076119 CN2012076119W WO2012163256A1 WO 2012163256 A1 WO2012163256 A1 WO 2012163256A1 CN 2012076119 W CN2012076119 W CN 2012076119W WO 2012163256 A1 WO2012163256 A1 WO 2012163256A1
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WIPO (PCT)
Prior art keywords
acceleration
integrated circuit
circuit card
processing module
information
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PCT/CN2012/076119
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English (en)
French (fr)
Inventor
罗魏熙
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Luo Weixi
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Publication of WO2012163256A1 publication Critical patent/WO2012163256A1/zh

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/32—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using wireless devices
    • G06Q20/326—Payment applications installed on the mobile devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion

Definitions

  • the present invention relates to the field of payment based on mobile terminals, and more particularly to a mobile payment method and apparatus having user confirmation functions.
  • the technical problem to be solved by the present invention is to provide a mobile payment method and apparatus having an acceleration measurement function capable of recognizing a user-specific action as a human-computer interaction confirmation payment input signal.
  • a mobile payment method with acceleration measurement function is proposed, which includes the following steps:
  • the integrated circuit card main function module controls the acceleration processing module to start identifying the motion track of the integrated circuit card
  • the acceleration processing module controls the acceleration sensor to start detecting acceleration change information of the motion generated by the integrated circuit card by the user holding the mobile terminal to perform a specific action
  • the acceleration sensor sends the obtained acceleration change information to the acceleration processing module for processing
  • the acceleration processing module performs motion recognition on the received acceleration change information and identifies the recognized motion information. Comparing with the user-specific action information stored in advance, and transmitting the comparison result information to the integrated circuit card main function module;
  • the integrated circuit card main function module allows the current mobile payment, if the comparison result information does not meet the pre-stored user-specific The action information, the integrated circuit card main function module prohibits the current mobile payment.
  • the mobile payment method with an acceleration measurement function after the step 5, the integrated circuit card main function module controls the acceleration processing module to stop recognizing the motion trajectory of the mobile terminal.
  • the acceleration processing module controls the acceleration sensor to stop detecting acceleration change information of the integrated circuit card.
  • Pre-stored user-specific motion information includes rotation motion information, rocking motion information, or user-defined motion
  • the user-defined motion information is stored after learning the user's custom motion through the acceleration processing module.
  • the following methods can be used to identify the rotation action:
  • the acceleration processing module subtracts the fixed three-dimensional vector acceleration sent by the acceleration sensor, and the 3-dimensional vector acceleration difference of the subtraction result is used as the characteristic parameter of the recognized rotation action.
  • the parameter contains the rotation direction information; the modulus length of the 3-dimensional vector acceleration difference is used as a characteristic parameter of the rotation action, and the feature parameter includes the rotation acceleration size information of the rotation speed.
  • a mobile payment integrated circuit card with an acceleration measurement function comprising an integrated circuit card body, an integrated circuit card main function module disposed on the integrated circuit card body, an acceleration processing module and an acceleration sensor;
  • the acceleration sensor is electrically connected, controls the acceleration sensor to operate, receives the acceleration change information transmitted by the acceleration sensor, and performs motion recognition processing on the acceleration signal;
  • the acceleration processing module is electrically connected with the integrated circuit card main function module, and sends the identified motion information Give the IC card the main function module.
  • the acceleration sensor can be an acceleration sensor that can measure the acceleration of two spatial points, and the sensor can sense the rotational motion.
  • the technical effect of the present invention is:
  • the user moves the mobile terminal with a specific motion to confirm the card swipe operation, for example, simply swinging the mobile terminal to the left or right or drawing a five-pointed star in the air with the mobile terminal.
  • Confirming the card swipe operation is more convenient than password confirmation.
  • it can also be used to initiate a specific application function within the integrated circuit card, such as waking up a functional module in the sleep power saving state of the integrated circuit card, so that it is immediately put into operation.
  • 1 is a block diagram of a module of a mobile payment integrated circuit card with an acceleration measurement function
  • FIG. 2 is a schematic flow chart of a mobile payment method with an acceleration measurement function
  • FIG. 3 is a schematic diagram of an embodiment of a mobile payment integrated circuit card with an acceleration measurement function.
  • An integrated circuit card is an electronic product in which an integrated circuit is housed in a card for storing and processing data.
  • the integrated circuit card described herein includes the following products: Secure Digital Memory Card, MMC (MultiMediaCard), Memory Stick, SmartMedia, Subscriber Identity Module, USIM ( UniversalSubscriber Identity Module) and UIM Card (User Identity Model).
  • Mobile terminal An electronic device that is lightweight and can be used from a battery and can be used without a cable to connect to other electronic devices.
  • the mobile terminal described in the present invention includes the following electronic devices: MP3 player, handheld game console, GPS, PDA (Personal Digital Assistant), mobile phone, smart phone, digital camera, electronic dictionary and handheld cash register.
  • the card is the process of exchanging the communication and data information between the IC card and the card reader, and the creation, storage, modification, reading, verification, comparison and processing of the data information in the IC card.
  • the card described herein includes an electronic payment card and an access card and an identification process for the card.
  • the integrated circuit card of the present invention has an acceleration sensor and an acceleration processing module in addition to the functions of a general integrated circuit card, as shown in FIG. It consists of an integrated circuit card main function module 11, an acceleration processing module 12, and an acceleration sensor 13.
  • the integrated circuit card main function module 11 is connected to the acceleration processing module 12.
  • the integrated circuit card main function module 11 is capable of implementing various functions of a conventional integrated circuit card.
  • the conventional integrated circuit card function includes a 30-card (Secure Digital Memory Card), an MMC card (MultiMediaCard), a memory stick (Memory Stick), a SM card (SmartMedia), a SIM card (Subscriber Identity Module), and a USIM card (Universal Subscriber Identity Module). , UIM card (User Identity Model).
  • the acceleration processing module 12 is also coupled to the acceleration sensor 13, controls the operation of the acceleration sensor 13, and receives an acceleration signal sent from the acceleration sensor 13. When it is desired to detect the acceleration change characteristic, the acceleration processing module 12 controls the acceleration sensor 13 to start operating.
  • the acceleration sensor 13 is connected to the acceleration processing module 12, receives the control of the acceleration processing module 12, detects its own acceleration, and sends the detected acceleration information to the acceleration processing module 12 for recognition processing. Plus
  • the speed sensor 13 is capable of sensing an acceleration change of the integrated circuit card itself and outputting an electrical signal.
  • the acceleration processing module 12 is capable of receiving an electrical signal sent by the acceleration sensor 13 and identifying the change information of the acceleration, thereby determining whether the specific action of the user matches the pre-stored user-specific action, and if so, allowing the card card to be swiped, if Does not match the card swipe operation. By identifying a specific action, it can also be used to initiate a specific application function within the integrated circuit card, such as waking up a functional module in the sleep power saving state of the integrated circuit card, so that it is immediately put into operation.
  • the acceleration change signal measured by the acceleration sensor is a vector acceleration signal having a three-dimensional or more stereoscopic space, or an equivalent vector acceleration signal of three or more dimensions. If the dimension of the acceleration signal is less than 3 dimensions, for example, if there is only a 2-dimensional vector acceleration signal in one plane, then the acceleration variation feature perpendicular to the plane direction cannot be obtained, so some actions cannot be recognized. If there is information on the rotation of the acceleration signal, then the action of the rotation can be identified.
  • the definition of curl can be referred to various materials on the theory of "field”.
  • the curl information can also be calculated from a multi-point vector acceleration signal with a 3-dimensional vector.
  • ' X a y ' 5 Z are the unit vectors in the x, y, and z directions, respectively. If 4 points ⁇ 0 (0, 0, 0 are known) ), ⁇ ( ⁇ , ⁇ , ⁇ ), Py(0,y,0), ⁇ ( ⁇ , ⁇ , ⁇ ) are respectively the acceleration vectors
  • a x a x + a yy + a z
  • a y a x + ⁇ ⁇ + ⁇ ⁇
  • & 2 can calculate the rotation of the acceleration near the 4 points in the integrated circuit card.
  • the acceleration can be calculated using the acceleration values of two points. Suppose the known spatial point Pl(xl, yl, zl) coordinates and acceleration are
  • the spatial point P2 (x2, y2, z2) coordinates and acceleration are
  • the modulus of the rotation rotA is equal to the modulus of the difference of the acceleration difference vectors of the two points divided by the difference of the spatial position coordinate vectors of the two points. That is, the curl mode length
  • ro 4 2 ; W means the modulus length of the vector X. Curl length
  • ro 4 is The metric of the rotation speed. While rl and r2 are fixed points in the acceleration sensor, rl-r2 is a constant, so the value of rotA depends only on al-a2, so al-a2 can be used to describe the rotation of the acceleration, ie using the vector al-a2 The value describes the rotation state of the mobile terminal.
  • the vector al-a2 contains the direction of the rotational acceleration, and the value of the mode length reflects the absolute value of the rotational acceleration.
  • Vector acceleration signals of more than 3 components can be used to identify more motion features.
  • a constant acceleration vector or the rotation of a constant acceleration
  • a constant gravitational acceleration or constant acceleration rotation
  • Identification only needs to process the changed acceleration information, so if the acceleration sensor can only sense the amount of change in acceleration and does not output the average amount of acceleration, it can be used in this scheme.
  • Some personalized users may need actions that only he can personally make, just like a signature.
  • the identification of such signature actions requires the acceleration processing module to have the function of motion learning, and the acceleration processing module learns
  • the signature action confirmation function can be used after the signature action.
  • due to individual differences even the same feature action will be different, so it is necessary to set a reasonable range of parameters, so that different people can be identified when using.
  • Embodiment 1 Identification and application of left and right rocking motions:
  • the structure of the integrated circuit card with acceleration measurement function is shown in Fig. 3. It consists of an integrated circuit card-based metal contact and other passive components such as a resistor-capacitor inductor, an integrated circuit chip 2, and an acceleration sensor 13.
  • the integrated circuit chip 2 is composed of an acceleration processing module 12 and an integrated circuit card main circuit 21, and the functions of the acceleration processing module 12 and the integrated circuit card main circuit 21 are realized by the same integrated circuit chip.
  • the integrated circuit card main circuit 21 and the integrated circuit card base metal contacts and other passive components such as the resistor capacitance inductors constitute the main function module of the integrated circuit card.
  • the integrated circuit card main function module 11 implements various functions of a conventional integrated circuit card.
  • the metal contacts in the passive components of the integrated circuit card base metal contacts and other resistors and capacitors are connected to the integrated circuit chip 2 and the card external circuit.
  • the acceleration processing module 12 is composed of an acceleration feature recognition software 221 and an SPI (SerialPeripheral Interface) interface 222.
  • the acceleration feature recognition software 221 is composed of a CPU, a memory, and a program, and performs acceleration-related control, operation, and motion feature recognition operations.
  • the SPI interface 222 completes the connection with the acceleration sensor 13.
  • the acceleration sensor 13 and the acceleration processing module 12 are connected via the SPI, receive the control of the acceleration processing module 12, and detect their own acceleration, and send the detected acceleration information to the acceleration processing module 12 for identification processing.
  • the accelerometer consists of digital output, SPI interface, single point 3-direction acceleration, MEMS (Micro Electro Mechanical Systems) accelerometer. Using MEMS technology accelerometer, the current technology can be made as small as the integrated circuit chip. Packaged into an integrated circuit card.
  • the integrated circuit card main function module 11 is connected to the acceleration processing module 12 in the integrated circuit chip 2.
  • the integrated circuit card main function module 11 also controls the operation of the acceleration processing module 12.
  • the acceleration processing module 12 is notified to start working to identify whether there is an acceleration change corresponding to the specific action. feature.
  • the acceleration processing module 12 is connected to the acceleration sensor 13, controls the operation of the acceleration sensor 13, and receives the acceleration signal sent from the acceleration sensor 13. When it is desired to detect the acceleration change characteristic, the acceleration sensor 13 is controlled to start operating.
  • the acceleration processing module 12 can recognize the actions of a plurality of different features, and can recognize the actions conforming to the features, and then send information to the integrated circuit card main function module 11 to notify the integrated circuit card main function module 11 of the type of action identified.
  • Specific various operational features may be stored in advance in the acceleration processing module 12. For example, the motion characteristics of the left and right swings may be stored in the acceleration processing module 12, and the integrated circuit card main function module 11 controls the acceleration processing module 12 to recognize whether there is a left and right swing motion when necessary.
  • the action characteristic of the left and right swing is that, at the beginning, the acceleration gradually increases in a certain vector direction, and then the acceleration gradually increases in the opposite vector direction, and then vice versa, so repeatedly, at least twice, the acceleration changes.
  • Identification feature The frequency, number of times and amplitude of alternating repetitions can be set to an appropriate range.
  • the acceleration processing module 12 can recognize this change.
  • the identification of such changing features, as well as the identification of other various acceleration variation features, is implemented by software, and the recognition of the motion features is implemented by software, which facilitates the modification and addition of various feature motion recognition processes according to different application requirements.
  • the integrated circuit card main function module 11 needs to perform the card swiping operation, the control acceleration processing module 12 starts to recognize the user action, and the integrated circuit card main function module 11 starts timing to wait for the specific action of the user;
  • Acceleration processing module 12 controls the acceleration sensor 13 to start working
  • the acceleration sensor 13 sends the acceleration information to the acceleration processing module 12 for processing
  • the acceleration processing module 12 recognizes the action of the user, and transmits the recognized action information to the integrated circuit card main function module 11;
  • the integrated circuit card main function module 11 does not receive the action recognized by the acceleration processing module 12 or has an action but is not required to swipe the card within the predetermined waiting time, and then exits waiting, and prohibits the current card swipe operation, and transfers to Step 7;
  • IC card main function module 11 After receiving the action information required by the card in the specified waiting time, the current card swipe operation is allowed, and the process proceeds to step 7;
  • the integrated circuit card main function module 11 controls the acceleration processing module 12 to stop working
  • Acceleration Processing Module 12 Controls the acceleration sensor 13 to stop working.

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Abstract

本发明涉及一种具有加速度测量功能的移动支付方法和装置，进行移动支付时，集成电路卡主功能模块（11）控制加速度处理模块（12）开始工作，加速度处理模块（12）控制加速度传感器（13）开始检测集成电路卡所产生运动的加速度变化信息；加速度传感器（13）将所获得的加速度变化信息发送给加速度处理模块（12）处理；加速度处理模块（12）将收到的加速度变化信息进行动作识别并与预先存储的用户特定动作信息比较，然后将比较结果信息发送给集成电路卡主功能模块（11）；集成电路卡主功能模块（11）根据识别用户特定动作而作为确认支付输入信号。本发明的技术效果在于：在移动支付中，用户以特定的动作运动移动终端来确认刷卡操作，比密码确认更加方便。

Description

说 明 书
具有加速度测量功能的移动支付方法及装置
技术令页域本发明涉及基于移动终端进行支付的技术领域,特别是涉及具有用户确认功 能的移动支付方法及装置。
¾fc景技术 随着移动电话的普及， 移动支付（主要为手机支付）的业务需求非常迫切。 移动支付的各种应用中， 其中现场移动小额支付的方便性受到用户的欢迎。 移动小额支付的 基本要求是使用安全方便。 小额支付的方便性要求之一是能够非常快捷地完成支付操作。 比 如在地铁的使用中， 由于人流密度大， 要求 0.3秒内实现扣除（或返还）地铁车费的操作， 快捷地完成支付操作也方便乘客进出闸， 避免地铁闸机口累积大量乘客。 但小额支付的安全 性要求之一是， 刷卡操作需要得到用户的确认。 目前现场大额支付的信用卡的刷卡是以用户 在 POS 机键盘上输入密码来确认刷卡。 对于移动支付，可以通过对移动终端的操作来确认刷 卡， 这样更安全方便。 发明内容
本发明所要解决的技术问题是提出一种能识别用户特定动作而作为人机交互的确认支 付输入信号的具有加速度测量功能的移动支付方法及装置。
本发明解决所述技术问题可以通过釆用以下技术方案来实现：
提出一种具有加速度测量功能的移动支付方法， 包括以下步骤：
①设置于移动终端内的集成电路卡进行移动支付时，集成电路卡主功能模块控制加速度 处理模块开始识别集成电路卡的运动轨迹；
②所述加速度处理模块控制加速度传感器开始检测因用户持移动终端做特定动作而集 成电路卡所产生运动的加速度变化信息；
③所述加速度传感器将所获得的加速度变化信息发送给所述加速度处理模块处理；
④所述加速度处理模块将收到的加速度变化信息进行动作识别并将识别出的动作信息 与预先存储的用户特定动作信息比较，并将比较结果信息发送给所述集成电路卡主功能模块;
⑤如果所述比较结果信息是识别出的动作信息符合预先存储的用户特定动作信息，则所 述集成电路卡主功能模块允许本次移动支付， 如果所述比较结果信息不符合预先存储的用户 特定动作信息， 则所述集成电路卡主功能模块禁止本次移动支付。 所述具有加速度测量功能的移动支付方法，在所述步骤⑤之后，所述集成电路卡主功能 模块控制加速度处理模块停止识别移动终端的运动轨迹。 所述加速度处理模块控制加速度传 感器停止检测集成电路卡的加速度变化信息。
预先存储的用户特定动作信息包括旋转动作信息、摇摆动作信息或者用户自定义的动作
ΊΡ息。
用户自定义的动作信息是通过加速度处理模块对用户的自定义动作学习后存储的。 旋转动作的识别可以使用下列方法： 加速度处理模块将加速度传感器送过来的固定两 点的 3维矢量加速度相减， 相减结果的 3维矢量加速度差作为识别出来的旋转动作的特征参 数， 该特征参数包含旋转方向信息； 3 维矢量加速度差的模长作为旋转动作的特征参数， 该 特征参数包含旋转快慢的旋转加速度大小信息。
设计一种具有加速度测量功能的移动支付集成电路卡，包括集成电路卡本体、设置于所 述集成电路卡本体上的集成电路卡主功能模块、 加速度处理模块和加速度传感器； 所述加速 度处理模块与加速度传感器电连接， 控制加速度传感器工作， 接收所述加速度传感器传送的 加速度变化信息并对该加速度信号进行动作识别处理； 加速度处理模块与集成电路卡主功能 模块电连接， 将识别后的动作信息发送给集成电路卡主功能模块。
加速度传感器可以是能测量两空间点加速度的加速度传感器,这种传感器能够感测旋转 运动。
同现有技术相比较， 本发明的技术效果在于： 在移动支付中， 用户以特定的动作运动移 动终端来确认刷卡操作， 比如以简单的左右摇摆移动终端或者用移动终端在空中画五角星来 确认刷卡操作， 比密码确认更加方便。 通过识别特定动作还可以用于启动集成电路卡内的特 定应用功能， 比如喚醒集成电路卡内处于休眠节电状态的功能模块， 使其立即投入工作状态。 附图说明
图 1是具有加速度测量功能的移动支付集成电路卡的模块方框示意图；
图 2是具有加速度测量功能的移动支付方法的流程示意图；
图 3是具有加速度测量功能的移动支付集成电路卡的实施例示意图。 具体实施方式 以下结合附图所示之优选实施例作进一步详述。
几个名词的定义： 集成电路卡是卡片内封装有集成电路，用以存储和处理数据的电子产 品。 本文所述的集成电路卡包含以下产品： SD卡（ Secure Digital Memory Card )、 MMC卡 ( MultiMediaCard )、 记忆棒 (Memory Stick)、 SM卡（ SmartMedia )、 SIM卡 (Subscriber Identity Module)、 USIM卡 (UniversalSubscriber Identity Module)和 UIM卡 (User Identity Model)。 移动终 端： 重量较轻、 可以从电池供电、 不用电缆与其他电子设备连接就可以使用的电子设备。 本 文所述的移动终端包含以下电子设备： MP3播放器、掌上游戏机、 GPS、 PDA ( Personal Digital Assistant ), 手机、 智能手机、 数码相机、 电子词典和手持收款机等。 刷卡： 刷卡是集成电路 卡与读卡装置的通讯和数据信息的交换过程， 以及过程中集成电路卡内数据信息的创建、 存 储、 修改、 读取、 校验、 比较、 处理。 本文所述的刷卡包含电子支付刷卡和门禁刷卡以及卡 的身份识别认证过程。
本发明的集成电路卡内除了有一般的集成电路卡的功能外还具有加速度传感器和加速 度处理模块， 见图 1。 由集成电路卡主功能模块 11、 加速度处理模块 12以及加速度传感器 13 组成。 集成电路卡主功能模块 11与加速度处理模块 12连接。 集成电路卡主功能模块 11能够实 现常规集成电路卡的各种功能。常规集成电路卡功能包含 30卡（ Secure Digital Memory Card )、 MMC卡（ MultiMediaCard )、 记忆棒 (Memory Stick)、 SM卡（ SmartMedia )、 SIM卡 (Subscriber Identity Module)、 USIM卡 (Universal Subscriber Identity Module)、 UIM卡 (User Identity Model)。 加速度处理模块 12还与加速度传感器 13连接， 控制加速度传感器 13的工作， 并接收加速度传 感器 13送过来的加速度信号。 当需要检测加速度变化特征时， 加速度处理模块 12控制加速度 传感器 13开始工作。 加速度传感器 13与加速度处理模块 12连接， 接受加速度处理模块 12的控 制， 并检测自身的加速度， 将检测到的加速度信息送给加速度处理模块 12进行识别处理。 加 速度传感器 13能够感测集成电路卡本身的加速度变化， 输出电信号。 加速度处理模块 12能够 接收加速度传感器 13送过来的电信号， 识别加速度的变化信息， 从而判断用户的特定动作与 预先存储的用户特定动作是否相符， 如果相符， 则允许集成电路卡的刷卡操作， 如果不相符 禁止刷卡操作。 通过识别特定动作还可以用于启动集成电路卡内的特定应用功能， 比如喚醒 集成电路卡内处于休眠节电状态的功能模块， 使其立即投入工作状态。
加速度传感器测得的加速度变化信号最好为立体空间 3维及以上的矢量加速度信号， 或 者为等效的 3维及以上的矢量加速度信号。 如果加速度信号的维度少于 3维， 比如如果只有在 一个平面的 2维矢量加速度信号， 那么垂直于该平面方向的加速度变化特征就无法获得， 因此 某些动作就无法识别。 如果加速度信号中有加速度的旋度信息， 那么， 就可以从中识别出旋 转的动作。 关于旋度的定义可以参考各种关于 "场" 的理论的资料。 旋度信息也可以通过多 点的、 每个点都为 3维的矢量加速度信号计算出来。 例如:在以 x,y,z为其正方向的直角坐标系 中' X ay ' 5Z分别为 x,y,z方向的单位向量'如果已知 4个点 Ρ0(0,0,0)、 Ρχ(χ,Ο,Ο), Py(0,y,0)、 Ρζ(Ο,Ο,ζ)的加速度矢量分别为
ao= ax + ay + az
ax = ax + ay y + az
ay = ax + αγ + αζ
az= ax + ay Azy + az
根据旋度的计算表达式
→ dAz dAy → dAx dAz^ → ,dAy dAx
rotA = ax(-—-—^-) + a (-—-—-) + a ( -^ ) ，如果假定这些点附近所有点的 cy cz y OZ ax ex cy
旋度差异都很小， 远远小于识别旋转动作要求的误差 （这一点是很容易满足的， 旋转的刚体 内部各点的速度的旋度以及加速度的旋度都相同）， 那么， 根据这 4点的加速度 a0、 ax、 ay、
&2就可以计算出集成电路卡内这 4点附近的加速度的旋度。
只要将下列 6个表达式公式， 即表达式：
dAz Α γζ -\ dAx Α dAz Axz - z
dy y ' dy y ' dx x dAy dAy γ ~ dAx
dx x ' dz z ' dz z
½度表 即可
Figure imgf000007_0001
由于刚体上所有点速度的旋度和加速度的旋度处处相等（速度和加速度并不一定处处相 等），可以使用更少的速度和加速度信息来计算获得速度的旋度和加速度的旋度。 可以使用两 点的加速度值来计算旋度。 假设已知空间点 Pl(xl,yl,zl)坐标和加速度分别为
坐标 ri = αχ χ1 + ay yl + a
加速度 al = αΛ 十 十 5ζΑι
空间点 P2(x2,y2,z2)坐标和加速度分别为
坐标 r2 = αχ χ2 + ay y2 + 5^2
加速度 a2 = 十 5yA y2 + ZA2
那么旋度 rotA的模长等于这两点的加速度差值矢量的模除以这两点的空间位置坐标矢量 的差值的模。 即旋度模长 |ro 4 = 2 ； W 表示对矢量 X取模长。 旋度模长 |ro 4是
Figure imgf000007_0002
旋转快慢的度量参数。 而 rl和 r2是加速度传感器中的固定点， 因此 rl-r2是常数， 因此 rotA的 值仅仅取决于 al-a2, 所以可以使用 al-a2来描述加速度的旋度， 即使用矢量 al-a2的值描述移 动终端的旋转状态。 矢量 al-a2中含有旋转加速度的方向， 而模长 的值反映了旋转加速 度绝对值的大小。
多于 3个分量的矢量加速度信号可以用于识别出更多的动作特征。 在动作特征的识别中， 恒定不变的加速度矢量 （或恒定不变的加速度的旋度） 与动作无关， 因此恒定不变的重力加 速度 （或恒定不变的加速度旋度）不影响各种动作的识别。 加速度处理模块只需要处理变化 的加速度信息， 故如果加速度传感器只能感测加速度的变化量， 不输出加速度的平均量， 也 是能够运用于本方案的。
一些个性化的使用者， 可能会需要只有他个人能够做出来的动作， 就像签名一样。 这种 签名动作的识别， 需要加速度处理模块能够具有动作学习的功能， 加速度处理模块学习 签名动作后， 才能使用签名动作的确认功能。 另外由于人们个体的差异， 即使是同一个特征 动作也会有差异， 因此需要设定其参数的合理范围， 这样便于不同的人群使用时都能够识别 出来。
实施例 1 , 左右摇摆动作的识别与应用：
具有加速度测量功能的集成电路卡结构见图 3,由集成电路卡基金属触点及其他电阻电容 电感等无源元件 10、 集成电路芯片 2以及加速度传感器 13组成。 其中集成电路芯片 2由加速度 处理模块 12和集成电路卡主电路 21组成， 加速度处理模块 12和集成电路卡主电路 21的功能由 同一片集成电路芯片实现完成。 集成电路卡主电路 21和集成电路卡基金属触点及其他电阻电 容电感等无源元件 10—起组成集成电路卡主功能模块 11。 集成电路卡主功能模块 11实现常规 集成电路卡的各种功能。 集成电路卡基金属触点及其他电阻电容电感等无源元件 10中的金属 触点连接集成电路芯片 2和卡外电路。
如图 3所示，加速度处理模块 12由加速度特征识别软件 221和 SPI(SerialPeripheral lnterface) 接口 222组成。 加速度特征识别软件 221由 CPU和存储器以及程序组成， 完成加速度有关的控 制、 操作和动作特征识别运算等功能。 SPI接口 222完成与加速度传感器 13的连接。 加速度传 感器 13与加速度处理模块 12通过 SPI连接， 接受加速度处理模块 12的控制， 并检测自身的加速 度， 将检测到的加速度信息送给加速度处理模块 12进行识别处理。 加速度传感器由数字输出 的、 SPI接口的、 单点 3方向加速度、 MEMS ( Micro Electro Mechanical Systems )加速度传感 器组成， 使用 MEMS技术的加速度传感器， 目前的技术可以做得与集成电路芯片一样小， 完 全可以封装到集成电路卡中。
集成电路卡主功能模块 11在集成电路芯片 2内与加速度处理模块 12连接。集成电路卡主功 能模块 11还控制加速度处理模块 12的工作， 当集成电路卡主功能模块 11需要持卡人对刷卡确 认时， 通知加速度处理模块 12开始工作， 识别是否存在特定动作对应的加速度变化特征。
加速度处理模块 12与加速度传感器 13连接， 控制加速度传感器 13的工作， 并接收加速度 传感器 13送过来的加速度信号。 当需要检测加速度变化特征时， 控制加速度传感器 13开始工 作。 加速度处理模块 12可以识别多个不同特征的动作， 并可以将符合这些特征的动作识别出 来后， 发送信息给集成电路卡主功能模块 11 , 通知集成电路卡主功能模块 11识别出来的动作 类型。 具体的各种动作特征可以预先存储于加速度处理模块 12内。 比如可以将左右摇摆的动 作特征存储于加速度处理模块 12内， 集成电路卡主功能模块 11在必要的时候控制加速度处理 模块 12识别是否有左右摇摆的动作存在。 左右摇摆的动作特征是， 开始时， 加速度在某个矢 量方向逐渐增大， 然后加速度又在相反的矢量方向逐渐增大， 然后又反过来， 如此反复多次， 至少两次以上， 加速度变化的识别特征:交替反复的频率、 次数以及幅度可以设定在一个合适 的范围。 加速度处理模块 12可以识别出这种变化来。 这种变化特征的识别， 以及其他各种加 速度变化特征的识别由软件来实现， 由软件来实现动作特征的识别， 方便根据不同的应用需 要修改和添加各种特征动作的识别处理。
具体刷卡应用操作流程如下， 见图 2所示：
1. 集成电路卡主功能模块 11需要进行刷卡操作时，控制加速度处理模块 12开始识别用户 动作， 集成电路卡主功能模块 11开始计时等待用户的特定动作；
2. 加速度处理模块 12控制加速度传感器 13开始工作；
3. 加速度传感器 13将加速度信息送给加速度处理模块 12处理；
4. 加速度处理模块 12识别到用户动作后， 将识别出的动作信息传递给集成电路卡主功 能模块 11;
5.集成电路卡主功能模块 11在规定的等待时间内没有收到加速度处理模块 12识别出的动 作或者有动作但不是刷卡要求的动作， 就退出等待， 并禁止本次刷卡操作， 并转到步骤 7;
6. 集成电路卡主功能模块 11在规定的等待时间内收到刷卡要求的动作信息后，允许本次 刷卡操作， 并转到步骤 7;
7. 集成电路卡主功能模块 11控制加速度处理模块 12停止工作；
8. 加速度处理模块 12控制加速度传感器 13停止工作。

Claims

要 求 书
1. 一种具有加速度测量功能的移动支付方法， 其特征在于： 包括以下步骤，
① 设置于移动终端内的集成电路卡进行移动支付时， 集成电路卡主功能模块（11 )控制 加速度处理模块（12 ) 开始识别集成电路卡的运动轨迹；
② 所述加速度处理模块（12 ) 控制加速度传感器（13 ) 开始检测因用户持移动终端做特 定动作而集成电路卡所产生运动的加速度变化信息；
③ 所述加速度传感器（13 )将所获得的加速度变化信息发送给所述加速度处理模块（12 ) 处理；
④ 所述加速度处理模块（12 ) 将收到的加速度变化信息进行动作识别并将识别出的动作 信息与预先存储的用户特定动作信息比较， 并将比较结果信息发送给所述集成电路卡 主功能模块（11 );
⑤ 如果所述比较结果信息是识别出的动作信息符合预先存储的用户特定动作信息， 则所 述集成电路卡主功能模块（11 ) 允许本次移动支付， 如果所述比较结果信息不符合预 先存储的用户特定动作信息， 则所述集成电路卡主功能模块（11 )禁止本次移动支付。
2. 如权利要求 1所述的具有加速度测量功能的移动支付方法， 其特征在于： 在所述步骤⑤之 后， 所述集成电路卡主功能模块（11 )控制加速度处理模块（12 )停止识别移动终端的运 动轨迹。
3. 如权利要求 2所述的具有加速度测量功能的移动支付方法， 其特征在于： 所述加速度处理 模块（12 )控制加速度传感器（13 )停止检测集成电路卡的加速度变化信息。
4. 如权利要求 1所述的具有加速度测量功能的移动支付方法， 其特征在于： 所速预先存储的 用户特定动作信息是旋转动作信息、 摇摆动作信息或者用户自定义的动作信息。
5. 如权利要求 4所述的具有加速度测量功能的移动支付方法， 其特征在于： 所述用户自定义 的动作信息是通过加速度处理模块对用户的自定义动作学习后存储的。
6. 如权利要求 1 步骤④所述的具有加速度测量功能的移动支付方法,其特征在于:旋转动作的 识别是： 所述加速度处理模块（12)将加速度传感器（13)送过来的固定两点的 3维矢量 加速度相减， 相减结果的 3维矢量加速度差作为识别出来的旋转动作的特征参数， 该特征 参数包含旋转方向信息； 3维矢量加速度差的模长作为旋转动作的特征参数， 该特征参数 包含旋转快慢的旋转加速度大小信息。
7. 一种具有加速度测量功能的移动支付集成电路卡， 其特征在于： 包括集成电路卡本体、 设置于所述集成电路卡本体上的集成电路卡主功能模块（11)、 加速度处理模块（12)和 加速度传感器（13);
所述加速度处理模块（12)与加速度传感器（13) 电连接， 控制加速度传感器（13) 工作， 接收所述加速度传感器（13)传送的加速度变化信息并对该加速度信号进行动作识 别处理；
加速度处理模块（12) 与集成电路卡主功能模块（11) 电连接， 将识别后的动作信 息发送给集成电路卡主功能模块（11)。
8. 如权利要求 7所述的移动支付集成电路卡， 其特征在于： 所述加速度传感器（13)是能测 量两空间点加速度的加速度传感器。
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