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CN1378169A - A keyboard using fingerprint recognition technology for information input - Google Patents

A keyboard using fingerprint recognition technology for information input Download PDF

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Publication number
CN1378169A
CN1378169A CN 01112507 CN01112507A CN1378169A CN 1378169 A CN1378169 A CN 1378169A CN 01112507 CN01112507 CN 01112507 CN 01112507 A CN01112507 A CN 01112507A CN 1378169 A CN1378169 A CN 1378169A
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fingerprint
fingerprint sensor
sensor
information input
keyboard
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CN 01112507
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CN1141663C (en
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王建勤
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Abstract

The invention discloses a keyboard for inputting information by utilizing a fingerprint identification technology, which is characterized by comprising fingerprint sensing keys, an azimuth pressure sensor and a substrate, wherein the fingerprint sensing keys are provided with convex edges, the surface of each fingerprint sensing key is provided with the fingerprint sensor, a polygonal supporting table is connected below the fingerprint sensor, the fingerprint sensor is connected with a data transmission line, the substrate is arranged at the lower part of the polygonal supporting table and provided with the azimuth pressure sensor, and a return spring is arranged between each fingerprint sensing key and the substrate. During the use, the fingerprint sensor is connected on the fingerprint input module through the data transmission line, the fingerprint input module is connected on the singlechip, and the singlechip is connected in serial communication interface. The invention has small volume, can be embedded into some small-sized equipment and is convenient to use.

Description

一种利用指纹识别技术进行信息输入的键盘A keyboard using fingerprint recognition technology for information input

本发明涉及一种键盘，具体地说是一种利用指纹识别技术进行信息输入的键盘。The invention relates to a keyboard, in particular to a keyboard using fingerprint recognition technology for information input.

目前主要用于输入字符及控制信息的键盘，缺点是按键太多，不利于嵌入到一些小型设备如手机、个人数字助理(PDA)等。At present, the keyboard is mainly used to input characters and control information. The disadvantage is that there are too many keys, which is not conducive to being embedded in some small devices such as mobile phones and personal digital assistants (PDAs).

本发明的目的在于提供一种利用指纹识别技术进行信息输入的键盘，它利用使用者各个手指的指纹特征不同，结合使用者在输入指纹特征时用力的方位不同，产生不同编码组合来输入信息，特别有利于嵌入到一些小型设备中。The object of the present invention is to provide a keyboard for information input using fingerprint identification technology, which utilizes the different fingerprint features of the user's fingers, combined with the different orientations of the user's force when inputting the fingerprint features, to generate different code combinations to input information, It is especially beneficial to be embedded in some small devices.

本发明的目的是这样实现的：The purpose of the present invention is achieved like this:

利用指纹识别技术进行信息输入的键盘，包括有普通按键、键盘扫描模组、指纹输入模组，特点是该键盘还包括指纹传感按键、方位压力传感器；指纹传感按键有凸起边缘、表面置有指纹传感器、下方连接一多边形支撑台；多边形支撑台下部设有基板，基板上设有方位压力传感器、中部设有多边形凹坑；指纹传感器接有数据传输线，指纹传感器下方设有压力传感器；指纹传感按键与基板之间设有回位弹簧。The keyboard that uses fingerprint identification technology for information input includes ordinary keys, keyboard scanning module, and fingerprint input module. The feature is that the keyboard also includes fingerprint sensing keys and azimuth pressure sensors; A fingerprint sensor is installed, and a polygonal support platform is connected below; a substrate is provided at the bottom of the polygonal support platform, an azimuth pressure sensor is provided on the substrate, and a polygonal pit is provided in the middle; the fingerprint sensor is connected with a data transmission line, and a pressure sensor is provided below the fingerprint sensor; A return spring is arranged between the fingerprint sensing button and the substrate.

本发明一方面根据使用者各个手指的指纹特征不同，利用指纹传感按键上的指纹传感器输入使用者的手指指纹信息；另一方面结合使用者在按键时用力的方位不同，在键盘内设有方位压力传感器，用于侦测指纹传感按键的运动方位信息，这样人的五个指纹特征并结合人手指不同的方位可以产生不同的编码组合，如果将这些编码组合和我们要输入的字符、控制符等信息结合就形成信息输入编码方案。On the one hand, the present invention uses the fingerprint sensor on the fingerprint sensor button to input the fingerprint information of the user according to the different fingerprint characteristics of each finger of the user; The azimuth pressure sensor is used to detect the movement azimuth information of the fingerprint sensor key. In this way, the five fingerprint characteristics of a person and the different orientations of the fingers can generate different code combinations. If these code combinations are combined with the characters we want to input, The combination of control symbols and other information forms the information input coding scheme.

本发明可作为一个独立的信息输入键盘，也可作为一个子系统嵌入到其它设备中，同样可以作为一种利用指纹识别技术进行人员身份识别的系统，它体积小并能满足字符和控制信息的输入，利于嵌入一些小型设备中，使用方便。The present invention can be used as an independent information input keyboard, and can also be embedded in other devices as a subsystem. It can also be used as a system for identifying personnel using fingerprint identification technology. It is small in size and can meet the needs of characters and control information. The input is beneficial to be embedded in some small devices, and it is convenient to use.

下面结合附图对本发明实施例进行详细描述：Embodiments of the present invention are described in detail below in conjunction with the accompanying drawings:

图1为本发明实施例指纹信息输入部分的结构示意图Fig. 1 is the structure schematic diagram of the fingerprint information input part of the embodiment of the present invention

图2为图1的俯视图Figure 2 is a top view of Figure 1

图3为本发明实施中的电路框图Fig. 3 is the circuit block diagram in the implementation of the present invention

图4为本发明实施例的外形图Fig. 4 is the outline drawing of the embodiment of the present invention

参阅图1、2，本发明中的指纹信息输入部分由指纹传感按键1、方位压力传感器3、数据传输线6、回位弹簧5、基板7组成，指纹传感按键1表面置有指纹传感器9，用于输入使用者手指的指纹信息；指纹传感器9下方置有压力传感器10，用于检测使用者手指是否按下；指纹传感按键1与多边形支撑台4固定连接为一体，通过回位弹簧5连接在基板7之上，指纹传感按键1有凸起边缘2，该边缘使得使用者在指纹传感按键1上按某一方向移动时，带动指纹传感按键1向相同方向倾斜，使指纹传感按键1触动位于其下方的方位压力传感器3；当手指移开指纹传感按键1时，在回位弹簧5的作用下指纹传感按键1自动回位；基板7中部有一个和多边形支撑台4相对应的多边形凹坑8，多边形支撑台4置于多边形凹坑8中，多边形支撑台4可使指纹传感按键1沿几个特定的方向倾斜，使得只能触动特定方向的方位压力传感器3；数据传输线6接指纹传感按键1上的指纹传感器10。Referring to Figures 1 and 2, the fingerprint information input part in the present invention is composed of a fingerprint sensing button 1, an azimuth pressure sensor 3, a data transmission line 6, a return spring 5, and a substrate 7, and a fingerprint sensor 9 is placed on the surface of the fingerprint sensing button 1 , for inputting the fingerprint information of the user's finger; a pressure sensor 10 is arranged below the fingerprint sensor 9 for detecting whether the user's finger is pressed; 5 is connected to the substrate 7, and the fingerprint sensor button 1 has a raised edge 2, which allows the user to move the fingerprint sensor button 1 in a certain direction when the user moves on the fingerprint sensor button 1 to tilt the fingerprint sensor button 1 in the same direction, so that The fingerprint sensor button 1 touches the azimuth pressure sensor 3 located below it; when the finger moves away from the fingerprint sensor button 1, the fingerprint sensor button 1 automatically returns under the action of the return spring 5; the middle part of the substrate 7 has a and polygonal The polygonal pit 8 corresponding to the support table 4, the polygonal support table 4 is placed in the polygonal pit 8, the polygonal support table 4 can make the fingerprint sensor button 1 tilt along several specific directions, so that only the azimuth of a specific direction can be touched The pressure sensor 3; the data transmission line 6 is connected to the fingerprint sensor 10 on the fingerprint sensor button 1.

参阅图3，在实施本发明时，指纹传感按键1上的指纹传感器10通过数据传输线6接在指纹输入模组上，指纹输入模组连在单片机上，普通按键11与方位压力传感器3及指纹传感器9下方的压力传感器10通过键盘扫描模组连接在单片机上，单片机连接于串行通讯接口。Referring to Fig. 3, when implementing the present invention, the fingerprint sensor 10 on the fingerprint sensor button 1 is connected to the fingerprint input module through the data transmission line 6, and the fingerprint input module is connected to the single-chip microcomputer, and the common button 11 is connected with the azimuth pressure sensor 3 and The pressure sensor 10 below the fingerprint sensor 9 is connected to the single-chip microcomputer through the keyboard scanning module, and the single-chip microcomputer is connected to the serial communication interface.

本发明实施过程中的指纹输入模组采用杭州中正科技开发有限公司开发的MS2200指纹识别模块，该模块内含DPS高速处理器，用作指纹图像处理、匹配、搜索以及对指纹模板的存取等项处理。The fingerprint input module in the implementation process of the present invention adopts the MS2200 fingerprint identification module developed by Hangzhou Zhongzheng Technology Development Co., Ltd., which contains a DPS high-speed processor, which is used for fingerprint image processing, matching, searching, and access to fingerprint templates, etc. item processing.

本发明实施过程中的单片机采用MCS52单片机，它与MS2200指纹识别模块进行数据交换、接受从方位压力传感器输送过来的数据。此外还充当指纹识别模块与微型计算机即PC机之间的通讯接口。The single-chip microcomputer in the implementation process of the present invention adopts the MCS52 single-chip microcomputer, which performs data exchange with the MS2200 fingerprint identification module, and accepts the data delivered from the azimuth pressure sensor. In addition, it also acts as a communication interface between the fingerprint identification module and the microcomputer, that is, the PC.

本发明实施过程中的串行通讯接口采用标准的RS-232串行接口。The serial communication interface in the implementation process of the present invention adopts a standard RS-232 serial interface.

本发明中的指纹传感器采用FPS110 CMOS指纹传感器，它将指纹图像转变成数字信号，提供给指纹识别模块。The fingerprint sensor in the present invention adopts the FPS110 CMOS fingerprint sensor, which converts the fingerprint image into a digital signal and provides it to the fingerprint identification module.

本发明实施过程中的方位压力传感器及指纹传感器下方的压力传感器可以采用触点开关电路，也可采用压敏电容。The azimuth pressure sensor and the pressure sensor below the fingerprint sensor in the implementation process of the present invention can use a contact switch circuit or a pressure-sensitive capacitor.

本发明实施过程中的键盘扫描模组采用单片机与74HC164集成块构成。The keyboard scanning module in the implementation process of the present invention is composed of a single-chip microcomputer and a 74HC164 integrated block.

本发明的工作过程是：使用者首先按顺序输入各个指头的指纹信息，建立各个指头的指纹模板，建立完毕之后，当使用者将手指按在指纹传感按键1并向某一方向轻推时，指纹信息便输入指纹传感器9，而使用者沿某一方向的推力，将使某一方向的方位压力传感器3被触动，产生一个该方向被触动的信号(如果仅向下按时，指纹传感器9下方的压力传感器10被触动)，该信号通过键盘模组被传输到单片机，再通过串行通讯接口传到各种设备，如PC机。而指纹图像被指纹传感按键1上的指纹传感器9转变为数字信号，提供给指纹识别模块，指纹识别模块将处理完的结果提供给单片机，然后单片机再通过串行通讯接口传到其它设备的微处理器，而在其它设备如PC机中早已有预先定义好的编码方案，如食指向左代表字符A，向右移动表示D，不移动表示S等，人的五个手指，如设8个方向的压力传感器，即可有5×9＝45种组合，再结合其它的辅助键，可组合成更加复杂的编码方案。The working process of the present invention is as follows: the user firstly inputs the fingerprint information of each finger in order to establish the fingerprint template of each finger. After the establishment is completed, when the user presses the finger on the fingerprint sensing button 1 and pushes it slightly , the fingerprint information is just input into the fingerprint sensor 9, and the thrust of the user along a certain direction will make the azimuth pressure sensor 3 in a certain direction be touched, and generate a signal that this direction is touched (if only pressed down, the fingerprint sensor 9 The pressure sensor 10 below is touched), and the signal is transmitted to the single-chip microcomputer through the keyboard module, and then passed to various devices through the serial communication interface, such as a PC. The fingerprint image is converted into a digital signal by the fingerprint sensor 9 on the fingerprint sensor button 1, and provided to the fingerprint identification module. Microprocessors, and in other equipment such as PCs, there are already pre-defined coding schemes. For example, the index finger represents the character A to the left, D to the right, and S to the left. Five fingers of a person, such as setting 8 There are 5 × 9 = 45 combinations of pressure sensors in one direction, and combined with other auxiliary keys, it can be combined into a more complex coding scheme.

Claims (6)

1、一种利用指纹识别技术进行信息输入的键盘，包括有普通按键(11)、指纹输入模组，其特征在于该键盘还包括指纹传感按键(1)、方位压力传感器(3)。1. A keyboard for information input using fingerprint recognition technology, comprising common buttons (11) and a fingerprint input module, characterized in that the keyboard also includes fingerprint sensing buttons (1) and azimuth pressure sensors (3). 2、根据权利要求1所述的信息输入键盘，其特征在于所述的指纹传感按键(1)有凸起边缘(2)、表面置有指纹传感器(9)。2. The information input keyboard according to claim 1, characterized in that the fingerprint sensor key (1) has a raised edge (2) and a fingerprint sensor (9) is placed on the surface. 3、根据权利要求1所述的信息输入键盘，其特征在于所述的指纹传感按键(1)下方连接一多边形支撑台(4)。3. The information input keyboard according to claim 1, characterized in that a polygonal support platform (4) is connected under the fingerprint sensor key (1). 4、根据权利要求3所述的信息输入键盘，其特征在于多边形支撑台(4)下部设有基板(7)，基板(7)上设有方位压力传感器(3)、中部设有多边形凹坑(8)。4. The information input keyboard according to claim 3, characterized in that the bottom of the polygonal support table (4) is provided with a base plate (7), the base plate (7) is provided with an azimuth pressure sensor (3), and the middle part is provided with a polygonal pit (8). 5、根据权利要求2所述的信息输入键盘，其特征在于指纹传感器(9)接有数据传输线(6)，指纹传感器(9)下方设有压力传感器(10)。5. The information input keyboard according to claim 2, characterized in that the fingerprint sensor (9) is connected with a data transmission line (6), and a pressure sensor (10) is provided under the fingerprint sensor (9). 6、根据权利要求2所述的信息输入键盘，其特征在于指纹传感按键(1)与基板(7)之间设有回位弹簧(5)。6. The information input keyboard according to claim 2, characterized in that a return spring (5) is provided between the fingerprint sensor key (1) and the substrate (7).
CNB011125071A 2001-03-30 2001-03-30 A keyboard using fingerprint recognition technology for information input Expired - Fee Related CN1141663C (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
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CN100374991C (en) * 2005-03-31 2008-03-12 联想(北京)有限公司 Portable keyboard and fingerprint feature information extracting method thereof
US8049720B2 (en) 2002-12-30 2011-11-01 Motorola Mobility, Inc. Compact optical pointing apparatus and method
CN104461022A (en) * 2013-09-13 2015-03-25 联想(北京)有限公司 Glass keyboard
CN104978590A (en) * 2015-07-10 2015-10-14 湖北九州通达科技开发有限公司 Logistics electronic display sorting system
CN105493103A (en) * 2013-09-26 2016-04-13 英特尔公司 Biometric sensors for personal devices
CN106201067A (en) * 2016-06-29 2016-12-07 宇龙计算机通信科技(深圳)有限公司 Contactor control device, display control method, display control unit and terminal
CN107609376A (en) * 2017-09-11 2018-01-19 刘先利 A kind of information input method and device comprising biological characteristic
CN105138171B (en) * 2015-08-28 2018-05-08 小米科技有限责任公司 Touch key-press and fingerprint identification method
CN108073835A (en) * 2018-01-03 2018-05-25 北京知道创宇信息技术有限公司 Password mapping method, system and keyboard
CN108700970A (en) * 2016-03-31 2018-10-23 苹果公司 Input device with force sensor
US10379657B2 (en) 2014-02-12 2019-08-13 Apple Inc. Force determination employing sheet sensor and capacitive array
US10386970B2 (en) 2013-02-08 2019-08-20 Apple Inc. Force determination based on capacitive sensing
CN110174986A (en) * 2019-05-20 2019-08-27 维沃移动通信有限公司 A kind of audio frequency signal output and terminal
US10706252B2 (en) 2013-07-25 2020-07-07 Apple Inc. Electronic device with strain-based force sensor
US10817096B2 (en) 2014-02-06 2020-10-27 Apple Inc. Force sensor incorporated into display
US10866683B2 (en) 2018-08-27 2020-12-15 Apple Inc. Force or touch sensing on a mobile device using capacitive or pressure sensing

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8049720B2 (en) 2002-12-30 2011-11-01 Motorola Mobility, Inc. Compact optical pointing apparatus and method
CN1732507B (en) * 2002-12-30 2012-07-04 摩托罗拉移动公司 Compact optical pointing apparatus and method
CN100374991C (en) * 2005-03-31 2008-03-12 联想(北京)有限公司 Portable keyboard and fingerprint feature information extracting method thereof
US11747950B2 (en) 2013-02-08 2023-09-05 Apple Inc. Force determination based on capacitive sensing
US10386970B2 (en) 2013-02-08 2019-08-20 Apple Inc. Force determination based on capacitive sensing
US10706252B2 (en) 2013-07-25 2020-07-07 Apple Inc. Electronic device with strain-based force sensor
CN104461022B (en) * 2013-09-13 2018-12-14 联想(北京)有限公司 A kind of glass keyboard
CN104461022A (en) * 2013-09-13 2015-03-25 联想(北京)有限公司 Glass keyboard
CN105493103A (en) * 2013-09-26 2016-04-13 英特尔公司 Biometric sensors for personal devices
US10817096B2 (en) 2014-02-06 2020-10-27 Apple Inc. Force sensor incorporated into display
US10739899B2 (en) 2014-02-12 2020-08-11 Apple Inc. Force determination employing sheet sensor
US10379657B2 (en) 2014-02-12 2019-08-13 Apple Inc. Force determination employing sheet sensor and capacitive array
CN104978590B (en) * 2015-07-10 2017-10-20 湖北九州通达科技开发有限公司 A kind of logistics electronical display sorting system
CN104978590A (en) * 2015-07-10 2015-10-14 湖北九州通达科技开发有限公司 Logistics electronic display sorting system
CN105138171B (en) * 2015-08-28 2018-05-08 小米科技有限责任公司 Touch key-press and fingerprint identification method
US10739855B2 (en) 2016-03-31 2020-08-11 Apple Inc. Electronic device configured to collect biometric and amount of force data when a user touches a displayed image
CN108700970A (en) * 2016-03-31 2018-10-23 苹果公司 Input device with force sensor
CN108700970B (en) * 2016-03-31 2022-04-26 苹果公司 Input device with force sensor
CN106201067A (en) * 2016-06-29 2016-12-07 宇龙计算机通信科技(深圳)有限公司 Contactor control device, display control method, display control unit and terminal
CN107609376A (en) * 2017-09-11 2018-01-19 刘先利 A kind of information input method and device comprising biological characteristic
CN108073835B (en) * 2018-01-03 2020-11-06 北京知道创宇信息技术股份有限公司 Password mapping method, system and keyboard
CN108073835A (en) * 2018-01-03 2018-05-25 北京知道创宇信息技术有限公司 Password mapping method, system and keyboard
US10866683B2 (en) 2018-08-27 2020-12-15 Apple Inc. Force or touch sensing on a mobile device using capacitive or pressure sensing
CN110174986A (en) * 2019-05-20 2019-08-27 维沃移动通信有限公司 A kind of audio frequency signal output and terminal

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