WO2017041506A1 - 一种光投影键盘和鼠标 - Google Patents

一种光投影键盘和鼠标 Download PDF

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Publication number
WO2017041506A1
WO2017041506A1 PCT/CN2016/082173 CN2016082173W WO2017041506A1 WO 2017041506 A1 WO2017041506 A1 WO 2017041506A1 CN 2016082173 W CN2016082173 W CN 2016082173W WO 2017041506 A1 WO2017041506 A1 WO 2017041506A1
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WO
WIPO (PCT)
Prior art keywords
light projection
mouse
keyboard
area
fingertip
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PCT/CN2016/082173
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English (en)
French (fr)
Inventor
侯明鑫
高云鹏
Original Assignee
北京佳拓思科技有限公司
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Publication of WO2017041506A1 publication Critical patent/WO2017041506A1/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
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/0304—Detection arrangements using opto-electronic means
    • G06F3/0317—Detection arrangements using opto-electronic means in co-operation with a patterned surface, e.g. absolute position or relative movement detection for an optical mouse or pen positioned with respect to a coded surface
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1662—Details related to the integrated keyboard
    • G06F1/1673—Arrangements for projecting a virtual keyboard
    • 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
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
    • G06F3/0426—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected tracking fingers with respect to a virtual keyboard projected or printed on the surface
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/169—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being an integrated pointing device, e.g. trackball in the palm rest area, mini-joystick integrated between keyboard keys, touch pads or touch stripes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/1694—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being a single or a set of motion sensors for pointer control or gesture input obtained by sensing movements of the portable computer
    • 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
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • G06F3/021—Arrangements integrating additional peripherals in a keyboard, e.g. card or barcode reader, optical scanner
    • 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
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/0304—Detection arrangements using opto-electronic means
    • G06F3/0325—Detection arrangements using opto-electronic means using a plurality of light emitters or reflectors or a plurality of detectors forming a reference frame from which to derive the orientation of the object, e.g. by triangulation or on the basis of reference deformation in the picked up image
    • 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
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03543—Mice or pucks
    • 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
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry

Definitions

  • the invention relates to a light projection keyboard and a mouse, in particular to an apparatus and a method for realizing keyboard input and mouse operation functions by light projection.
  • Keyboards and mice have been widely used and popularized as input devices.
  • Traditional keyboards and mice are usually implemented in a physical manner, that is, input operations are performed through keyboard entities and mouse entities.
  • Keyboard input usually has a variety of input methods, such as mechanical tapping keys for input, tablet mobile phone input through analog keyboard, laser projection keyboard for keyboard input through light projection, and so on.
  • the operation of the mouse is usually through the control movement of the mouse entity to realize the movement operation of the mouse, and the mouse operation can also be realized by using a touchpad such as a notebook and a pointing stick.
  • the current mainstream keyboard input and mouse input mainstream is realized by physical physical operations.
  • the way of physical physical operation implementation depends on the input device of the entity.
  • the physical entity input has the disadvantage of having a certain volume, weight and mechanical tapping life.
  • the invention provides a method for realizing projection keyboard and mouse control based on light projection, which realizes projection keyboard and mouse functions through light projection without relying on physical entities, has convenient carrying and tapping life, and can be independently operated or embedded.
  • Features to other devices are possible to realizing projection keyboard and mouse control based on light projection, which realizes projection keyboard and mouse functions through light projection without relying on physical entities, has convenient carrying and tapping life, and can be independently operated or embedded.
  • the light projection keyboard and mouse proposed by the invention comprises: a light projection keyboard area and a light projection mouse area.
  • the light projection keyboard area is used to implement input information of a key operation.
  • the light projection mouse area is used to implement control of mouse operation.
  • the light projection mouse area can also implement multi-finger operation, and cooperate with related algorithms to achieve specific operational tasks.
  • the light projection keyboard area and the light projection mouse area can work independently or simultaneously realize keyboard input and mouse operation.
  • FIG. 1 is a general architectural diagram of a light projection keyboard and mouse of the present invention.
  • FIG. 2 is a composition diagram of a light projection hardware module of the present invention.
  • FIG. 3 is a schematic diagram of input key positions and recognition of the light projection keyboard area of the present invention.
  • FIG. 4 is a schematic diagram of single finger input and recognition of the light projection mouse area of the present invention.
  • FIG. 5 is a schematic diagram of multi-finger input and recognition of the light projection mouse area of the present invention.
  • FIG. 1 is a general architectural diagram of a light projection keyboard and a mouse of the present invention, specifically including two partial light projection hardware modules 101 and a light projection hardware module. 101 Projected light projection area.
  • the light projection area includes two portions: a light projection keyboard area 103 and a light projection mouse area 104.
  • the light projection keyboard area 103 and the light projection mouse area 104 are projected by the projection head 102 through the projection optical path 105. Produced.
  • FIG. 2 is a diagram showing the components of the optical projection hardware module of the present invention.
  • the light projection hardware module 201 is composed of six parts, that is, a projection head 102.
  • the purpose of the projection head 202 is to project a mouse area and a keyboard area that the user can recognize.
  • the image collector 203 can be a camera or other sensor for capturing the user's fingertip operating position.
  • the laser 204 is used to emit invisible light, and the reflected light passing through the tip of the finger passes through the image collector 203. The position and moving distance of the finger tip are recognized.
  • the function of the processor 205 is to process related software algorithms, and the power supply unit 206 can project the entire light projection hardware module 201. Each part is powered, and the interface module 207 is used to provide interfaces to other devices and modules.
  • the processor 205 can be an ARM, a microcontroller, a DSP, an FPGA, or an Intel CPU.
  • the chip can also be a programmable chip designed by the user.
  • the interface module 207 can provide a USB port, an SPI port, a serial port, an I2C port, or an EtherNET. Network port and other interfaces, or communication interfaces between other modules.
  • FIG. 3 is a schematic diagram of the input key position and recognition of the light projection keyboard area of the present invention.
  • the finger is in the light projection keyboard area 306
  • the optical path 310 emitted by the laser 204 is refracted by the fingertip to generate an optical path 309, so that the image collector 203
  • the pressing key of the finger can be recognized.
  • the user's operation pressing key position information can be transmitted to the processor 205 through the image collector 203, and the processor 205
  • the user's pressed key position and compression frequency can be identified by a software algorithm.
  • the user may be a single-finger push button operation in the light projection keyboard area 103, or may be a multi-finger typing composite operation.
  • the light projection keyboard area 103 can project a letter conventional keyboard, a numeric keypad, F* Key keyboards, etc., can also be user-defined keyboards.
  • FIG. 4 is a schematic diagram of single finger input and recognition of a light projection mouse area according to the present invention.
  • the user can control the mouse through the movement of the fingertips.
  • the optical path 409 is emitted by the laser 204 to the fingertip, thereby reflecting the optical path 408 to the image collector 203
  • Image collector 203 sends light projection mouse area to processor 205 104
  • the algorithm in the processor 205 realizes the precise movement of the mouse.
  • the light projection mouse area 104 In the user, the user can perform a mouse click function by clicking a fingertip, or a right mouse button function can be implemented with two or more fingers.
  • FIG. 5 is a schematic diagram of multi-finger input and recognition of a light projection mouse region according to the present invention.
  • the user can perform multi-finger operation, such as the two-finger contraction operation, and the laser 204 is transmitted through the optical path 509 to each fingertip of the multi-finger, passing through the optical path 508.
  • the multi-finger position information and the moving distance are reflected onto the image collector 203, and the image collector 203 sends the information to the processor 205 through the processor 205.
  • the software algorithm in the middle can recognize multi-finger composite operations.
  • the multi-finger operation in the light projection mouse area 104 may be a two-finger operation or a three-finger and multi-finger operation, and the processor 205
  • the algorithm in the algorithm can be used with specific multi-finger operation tasks to define the functions of the algorithm, such as reduction, amplification, task switching and so on.
  • FIG 3 Figure 4, Figure 5
  • the light projection mouse area and the light projection keyboard area can work independently or at the same time, that is, the user can independently implement key input, independently realize mouse or multi-finger task operation, and can also perform key input simultaneously. Mouse or multi-finger task operations.
  • Figure 2 Figure 3, Figure 4, and Figure 5
  • the position of the projection head and the image collector can be adjusted or interchanged according to specific design requirements.
  • the light projection mouse area and the light projection keyboard area in Figures 1, 3, 4, and 5 can be interchanged with the projected position.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Multimedia (AREA)
  • Position Input By Displaying (AREA)

Abstract

一种光投影键盘和鼠标，由光投影来实现键盘输入和鼠标操作功能，包括光投影硬件模块（101）、光投影键盘区域（103）、光投影鼠标区域（104）。光投影硬件模块（101）发射的光路（308、310）经过指尖折射产生的光路（309）反射到光投影硬件模块（101）；光投影硬件模块（101）识别指尖的按压键位或指尖的移动距离，并将此信息进行处理并识别用户所按压的按键位置、按压频率和鼠标的精准移动。该光投影键盘和鼠标，方便携带、敲击寿命长，可独立运行，也可嵌入到其他设备。

Description

一种光投影键盘和鼠标 一种光投影键盘和鼠标
技术领域
本发明涉及一种光投影键盘和鼠标，具体涉及一种由光投影来实现键盘输入和鼠标操作功能的设备和方法。
背景技术
键盘和鼠标作为输入设备已经得到了广泛的应用和普及，传统的键盘和鼠标通常是基于物理的方式实现，即通过键盘实体和鼠标实体实现输入操作。
键盘输入通常有多种输入方式，如机械敲击按键实现输入、平板手机通过模拟键盘实现输入、激光投影键盘通过光投影实现键盘输入等等。鼠标的操作通常是通过鼠标实体的控制运动，实现鼠标的移动操作，也可以采用如笔记本的触摸板和指点杆等方式实现鼠标操作。
当前通用的键盘输入和鼠标输入主流是通过物理的实体操作进行实现，通过物理的实体操作实现的方式需要依赖实体的输入设备，物理实体输入缺点是有一定体积、重量和机械敲击寿命。
发明内容
本发明提出一种基于光投影实现投影键盘和鼠标控制的方法，不依赖于物理实体，通过光投影实现投影键盘和鼠标功能，具有方便携带、敲击寿命长，并且可独立运行、也可嵌入到其它设备中的特点。
本发明提出的光投影键盘和鼠标，包括：光投影键盘区域和光投影鼠标区域。
所述光投影键盘区域，用于实现键位操作的输入信息。
所述光投影鼠标区域，用于实现鼠标操作的控制。
所述光投影鼠标区域，也可实现多指操作，配合相关的算法，实现具体的操作任务。
所述光投影键盘区域和光投影鼠标区域，可以独立的工作，也可以同时实现键盘输入和鼠标操作的功能。
附图说明
图 1 是本发明光投影键盘和鼠标的总体架构图。
图 2 是本发明光投影硬件模块的组成图。
图 3 是本发明光投影键盘区域的输入键位与识别原理图。
图 4 是本发明光投影鼠标区域的单指输入与识别原理图。
图 5 是本发明光投影鼠标区域的多指输入与识别原理图。
具体实施方式
下面用具体实施方式结合附图对本发明做进一步详细说明。
图 1 所示为本发明光投影键盘和鼠标的总体架构图，具体包括两个部分光投影硬件模块 101 和由光投影硬件模块 101 投射的光投影区域。
所述光投影区域包括两个部分：光投影键盘区域 103 和光投影鼠标区域 104 。
所述光投影键盘区域 103 和光投影鼠标区域 104 ，由投影头 102 经过投影光路 105 产生。
图 2 所示为本发明光投影硬件模块的各部分组成图。光投影硬件模块 201 由六个部分组成，即投影头 102 、图像采集器 203 、激光器 204 、处理器 205 、供电单元 206 和接口模块 207 。
所述投影头 202 的作用是投射用户可以识别的鼠标区域和键盘区域。
所述图像采集器 203 可以是摄像头或者其他传感器，用来采集用户的指尖操作位置。
所述激光器 204 用来发射不可见光，通过手指尖的反射光，经图像采集器 203 识别到手指尖的位置和移动距离。
处理器 205 的作用是处理相关的软件算法，供电单元 206 可以对整个光投影硬件模块 201 的各个部分进行供电，接口模块 207 的作用是提供给其他设备及模块的接口。
所述处理器 205 可以是 ARM 、单片机、 DSP 、 FPGA 、 Intel CPU 等等芯片，也可以是用户自行设计的可编程芯片。
所述接口模块 207 可以提供 USB 口、 SPI 口、串口、 I2C 口或 EtherNET 网口等等接口，或者其他模块间的通讯接口。
图 3 为本发明光投影键盘区域的输入键位与识别原理图。当手指在光投影键盘区域 306 上按压一个光投影按键时，由激光器 204 发射来的光路 310 经过指尖折射产生光路 309 ，从而图像采集器 203 可以识别到手指的按压键位。通过图像采集器 203 可以将用户的操作按压键位信息传输给处理器 205 ，处理器 205 通过软件算法可以识别用户的所按压键位位置和按压频率。
所述用户在光投影键盘区域 103 可以是单指的按压按键操作，也可以是多指的打字复合操作。
所述光投影键盘区域 103 可以投影字母常规键盘，数字键盘， F* 键快捷键盘等等，也可以是用户自定义的键盘。
图 4 为本发明光投影鼠标区域的单指输入与识别原理图。在光投影鼠标区域 104 ，用户可以通过指尖的移动实现对鼠标的控制。由激光器 204 发射光路 409 到指尖，从而反射光路 408 到图像采集器 203 ，从而识别到用户的指尖输入位置及精确的移动距离，进一步实现精准的鼠标移动控制。图像采集器 203 向处理器 205 发送光投影鼠标区域 104 中的手指移动信息，经处理器 205 中的算法实现鼠标的精准移动。
所述光投影鼠标区域 104 中，用户可以进行指尖点击实现鼠标点击功能，也可以配合两指或多指实现鼠标右键功能。
图 5 为本发明光投影鼠标区域的多指输入与识别原理图。在光投影鼠标区域 104 上，用户可以进行多指的操作，如两指的收缩操作，激光器 204 经光路 509 发射到多指的每个指尖上，经过光路 508 把多指的位置信息和移动距离反射到图像采集器 203 上，图像采集器 203 将信息发送到处理器 205 ，通过处理器 205 中的软件算法可以识别到多指的复合操作。
所述光投影鼠标区域 104 中的多指操作，可以是双指操作，也可以是三指及多指操作，处理器 205 中的算法可以配合具体的多指操作任务定义算法的功能，如缩小、放大、任务切换等等功能。
图 3 、图 4 、图 5 中的光投影鼠标区域和光投影键盘区域，可以独立工作，也可以同时工作，即用户可以独立的实现键位输入、独立的实现鼠标或多指任务操作，也可以键位输入的同时，进行相关的鼠标或多指任务操作。
图 2 、图 3 、图 4 和图 5 中的投影头和图像采集器的位置，可以根据具体的设计需求进行位置调节或互换位置。
图 1 、图 3 、图 4 和图 5 中的光投影鼠标区域和光投影键盘区域可以互换投影位置。
以上内容是结合具体的优选实施方式对本发明所做的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明的保护范围 。

Claims (15)

  1. 一种光投影键盘和鼠标，其特征在于，包括：
    光投影硬件模块，用于投射光投影键盘区域及光投影鼠标区域；
    光投影键盘区域，用于实现键盘功能；
    光投影鼠标区域，用于实现鼠标功能。
  2. 根据权利要求1所述的光投影键盘和鼠标，其特征在于，在所述光投影键盘区域中投射的键盘包括字母常规键盘、数字键盘、F*键快捷键盘或自定义的键盘。
  3. 根据权利要求书1所述的光投影键盘和鼠标，其特征在于，在所述光投影鼠标区域中，用户通过手指指尖的移动实现鼠标的控制功能。
  4. 根据权利要求书3所述的光投影键盘和鼠标，其特征在于，在所述光投影鼠标区域中，用户进行多手指的复合任务操作实现鼠标的控制功能。
  5. 根据权利要求书1所述的光投影键盘和鼠标，其特征在于，所述光投影键盘区域和光投影鼠标区域的位置是可互换的。
  6. 根据权利要求书2或3所述的光投影键盘和鼠标，其特征在于，在所述光投影键盘区域和光投影鼠标区域中，用户独立的进行键盘敲击输入、鼠标控制，或同时进行键盘敲击输入和鼠标控制。
  7. 根据权利要求书1所述的光投影键盘和鼠标，其特征在于，所述光投影硬件模块包括：
    投影头，用于投射所述投影键盘区域和所述鼠标区域；
    激光器，发射不可见光到用户操作指尖；
    图像采集器，接收用户操作指尖的反射光线并采集用户的指尖操作位置；
    处理器，用于接收图像采集器传送的信息并处理和识别所述信息；
    供电单元，用于向所述光投影硬件模块中的各个模块进行供电；
    接口模块，用于与其他模块实现连接。
  8. 根据权利要求书7所述的光投影键盘和鼠标，其特征在于，所述图像采集器为摄像头或传感器。
  9. 根据权利要求书7所述的光投影键盘和鼠标，其特征在于，所述处理器是ARM、单片机、DSP、FPGA、Intel CPU或自行设计的可编程芯片。
  10. 根据权利要求书7所述的光投影键盘和鼠标，其特征在于，所述接口模块可以提供USB口、SPI口、串口、I2C口或Ethernet网口。
  11. 根据权利要求书1所述的光投影键盘和鼠标，其特征在于，所述光投影硬件模块为独立工作运行或嵌入到其它设备中来实现光投影键盘和鼠标的功能。
  12. 一种光投影键盘和鼠标的使用方法，其特征在于：
    光投影模块投射光投影键盘区域及光投影鼠标区域；
    在所述光投影键盘区域中，用户指尖按压光投影按键；
    在所述光投影鼠标区域中，用户指尖移动光投影鼠标；
    光投影模块发射的光路经过指尖折射产生的光路反射到光投影模块；
    光投影模块识别指尖的按压键位或指尖的移动距离；
    光投影模块将用户的操作按压键或指尖的移动距离的信息进行处理并识别用户所按压的按键位置、按压频率及鼠标的精准移动。
  13. 根据权利要求12所述的光投影键盘和鼠标的使用方法，其特征在于：
    所述用户指尖在光投影键盘区域为单指按压按键或多指按压操作。
  14. 根据权利要求12所述的光投影键盘和鼠标的使用方法，其特征在于：
    所述光投影模块包括投影头、图像采集器及处理器；
    所述投影头投射光投影键盘区域及光投影鼠标区域；
    所述激光器发射光路到用户指尖，用户指尖反射光路到图像采集器；
    所述图像采集器识别用户的指尖在光投影键盘区域的手指的按压键位；
    所述图像采集器将手指按压键位信息传输给所述处理器；
    所述处理器处理所述手指按压键位信息并识别指尖的按压键位位置和按压频率。
  15. 根据权利要求根据权利要求14所述的光投影键盘和鼠标的使用方法，其特征在于：
    所述图像采集器识别用户的指尖在光投影鼠标区域的指尖输入位置及移动距离；
    所述图像采集器向所述处理器发送光投影鼠标区域中的指尖移动信息；
    所述处理器处理所述指尖移动信息并实现鼠标的精准移动。
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