WO2010072177A1 - 手持式无线键盘和触摸板一体装置 - Google Patents

手持式无线键盘和触摸板一体装置 Download PDF

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Publication number
WO2010072177A1
WO2010072177A1 PCT/CN2009/076063 CN2009076063W WO2010072177A1 WO 2010072177 A1 WO2010072177 A1 WO 2010072177A1 CN 2009076063 W CN2009076063 W CN 2009076063W WO 2010072177 A1 WO2010072177 A1 WO 2010072177A1
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WIPO (PCT)
Prior art keywords
transmitter
receiver
keyboard
radio frequency
microcontroller
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Application number
PCT/CN2009/076063
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English (en)
French (fr)
Inventor
钟国光
唐兆雄
Original Assignee
联力胜有限公司
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Publication date
Priority claimed from CNU2008201297814U external-priority patent/CN201348765Y/zh
Priority claimed from CNU2009200085786U external-priority patent/CN201369015Y/zh
Application filed by 联力胜有限公司 filed Critical 联力胜有限公司
Publication of WO2010072177A1 publication Critical patent/WO2010072177A1/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
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • G06F3/0219—Special purpose keyboards
    • 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
    • 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
    • G06F3/03547—Touch pads, in which fingers can move on a surface

Definitions

  • the present invention relates to the field of computer control technologies, and in particular, to a handheld wireless keyboard and a touchpad integrated device. Background technique
  • the wireless mouse and the keyboard are in a split structure; moreover, the existing wireless mouse and keyboard adopt a standard structure, and the size is large, which is inconvenient for convenient application and carrying. For example, in conferences, lectures, education and training, and home computer entertainment, it always brings a lot of inconvenience to users.
  • existing wireless mice and keyboards do not have an integrated audio module and do not have audio input and output capabilities.
  • a Chinese utility model patent CN 201072534Y discloses a wireless keyboard with a touchpad function.
  • the utility model integrates a wireless keyboard with a touchpad to replace the space limitations of existing mice and save space.
  • its structure and size are still similar to those of existing keyboards, which are bulky, inconvenient to carry and operate during movement, and have no audio function.
  • an object of the present invention is to provide a handheld wireless keyboard and a touchpad integrated device, which have the advantages of simple structure, convenient carrying, and the like.
  • a handheld wireless keyboard and a touchpad integrated device comprising a handheld transmitter, and a receiver connected to the controlled computer, wherein the transmitter and the receiver communicate via a wireless radio frequency signal
  • the transmitter includes a radio frequency transceiver, a micro controller, and a keyboard and a touchpad connected to the microcontroller, and the input signals of the keyboard and the touchpad are processed by the microcontroller and transmitted to the receiver through the radio frequency transceiver.
  • the receiver includes a radio frequency transceiver, a USB controller connected to the radio frequency transceiver, and a USB interface connected to the computer for receiving signals from the transmitter and transmitting to the computer through the USB controller.
  • the transmitter further includes a digital audio decoder, and an audio input device and an audio output device coupled to the digital audio decoder; the receiver receives an audio signal from the computer and transmits to the transmitter through the radio frequency transceiver.
  • the audio signal generated by the audio input device is processed by the digital audio decoder and the microcontroller, and transmitted to the receiver through the radio frequency transceiver; the radio frequency transceiver receives the audio signal from the computer and is decoded by the microcontroller and digital audio. After processing, it is output through the audio output device.
  • the transmitter further includes a power supply circuit coupled to the radio frequency transceiver, the microcontroller, and the digital audio decoder, respectively.
  • the encoder, the audio input device and the audio output device are of a one-piece structure.
  • the keyboard includes an I/O matrix keyboard and left and right control keys.
  • the touch panel is a capacitive inductive touch panel.
  • the frequency of the radio frequency signal between the transmitter and the receiver is 2. 4 GHz, and the transmitter and the receiver establish a connection by transmitting a confirmation code to each other through the radio frequency signal.
  • the handheld wireless keyboard and the touchpad integrated device of the present invention have an integrated structure of a keyboard and a touchpad (equivalent to a wireless mouse and a keyboard), and communicate with a computer (connected with a receiver) through a radio frequency method and Control and integrate audio functions. It has the advantages of simple structure, convenient carrying, etc. It is especially suitable for conferences, lectures, education and training, and home computer entertainment. DRAWINGS
  • FIG. 1 is a circuit block diagram of a first embodiment of the present invention
  • FIG. 2 is a circuit block diagram of a second embodiment of the present invention.
  • FIG. 3 is a schematic view showing the structure of the product of the present invention. detailed description
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the handheld wireless keyboard and the touchpad integrated device of the embodiment include a handheld transmitter 1 and a receiver 2 connected to the controlled computer, between the transmitter 1 and the receiver 2. Communication via a 2. 4 GHz radio frequency signal.
  • the transmitter 1 and the receiver 2 establish a one-to-one connection by transmitting a confirmation code to each other through the radio frequency signals, thereby avoiding signal interference between the multiple transmitters and the receiver. That is, the transmitter and the receiver have a pair of codes when starting the connection. The function of the code is to make the transmitter and the receiver form a pair. When several pairs of devices work in the same place at the same time, one pair of codes are mutually There will be no interference between them. In the process of pairing, the receiver and the transmitter communicate in both directions.
  • the transmitter 1 includes a radio frequency transceiver 10, a microcontroller 20, and a keyboard 21 and a touch panel 22 connected to the microcontroller 20.
  • the input signals of the keyboard 21 and the touch panel 22 are processed by the microcontroller 20. It is then transmitted through the RF transceiver 10 to the receiver.
  • the transmitter 1 further includes a power supply circuit 30 (including a battery 31 and a charging circuit 32) that is connected to the RF transceiver 10 and the microcontroller 20 for power supply, respectively.
  • the receiver 2 includes a radio frequency transceiver 40, a USB controller 50 connected to the radio frequency transceiver 40, and The computer-connected USB interface 51 receives the signal from the transmitter 1 and transmits it to the computer through the USB controller 50 to perform a control operation on the computer.
  • the receiver is connected to the computer via a USB interface and supplies power to the receiver through the computer.
  • the keyboard 21 includes an I/O matrix keyboard and left and right control keys.
  • the touch panel 22 is a capacitive inductive touch panel, the keyboard 21 and the touch panel 22 and the radio frequency transceiver 10, the microcontroller 20, and the power supply circuit 30.
  • the microcontroller 20 in the transmitter 1 can generate a corresponding button or movement signal and transmit it to the RF transceiver in the receiver 2 through the RF generator 10. 40, the signal is transmitted to the computer through the USB controller to achieve the corresponding control operation.
  • Embodiment 2 Embodiment 2:
  • the handheld wireless keyboard and touchpad integrated device includes a handheld transmitter 1 and a receiver 2 connected to the controlled computer, and the transmitter 1 and the receiver 2 communicate via a 2. 4 GHz radio frequency signal. .
  • the transmitter 1 and the receiver 2 establish a one-to-one connection by transmitting a confirmation code to each other through the radio frequency signals, thereby avoiding signal interference between the multiple transmitters and the receiver. That is, the transmitter and the receiver have a pair of codes when starting the connection. The function of the code is to make the transmitter and the receiver form a pair. When several pairs of devices work in the same place at the same time, one pair of codes are mutually There will be no interference between them. In the process of pairing, two-way communication between the receiver and the transmitter.
  • the transmitter 1 includes a radio frequency transceiver 10, a microcontroller 20, a keyboard 21 and a touch panel 22 connected to the microcontroller 20, a digital audio decoder 60, and an audio input device 61 connected to the digital audio decoder. And an audio output device 62, wherein the input signals of the keyboard 21 and the touch panel 22 are processed by the microcontroller 20 and transmitted to the receiver through the radio frequency transceiver 10; the audio signals generated by the audio input device 61 are passed through the digital audio decoder 60 and The microcontroller 20 processes and transmits to the receiver 2 through the radio frequency transceiver 10; the audio signal received from the computer by the radio frequency transceiver 10 is processed by the microcontroller 20 and the digital audio decoder 60, and then output through the audio output device 62.
  • the transmitter 1 further includes a power supply circuit 30 (including a battery 31 and a charging circuit 32), which are respectively connected to the radio frequency transceiver 10, the microcontroller 20, and the audio decoder 60 for power supply.
  • the audio input device 61 is a microphone
  • the audio output device 62 is a speaker or a speaker.
  • the receiver 2 includes a radio frequency transceiver 40, a USB controller 50 connected to the radio frequency transceiver 40, and a USB interface 51 connected to the computer. After receiving the signal from the transmitter 1, the receiver 2 is controlled by USB.
  • the device 50 is sent to a computer to perform a control operation on the computer; at the same time, the receiver 2 also transmits an audio signal from the computer to the transmitter 1 through the radio frequency transceiver 40, and the audio signal is processed by the digital audio decoder 60 and the microprocessor 20 It is output by the audio output device 62.
  • the receiver is connected to the computer via a USB interface and passes through the computer to the receiver powered by.
  • the keyboard 21 includes an I/O matrix keyboard and left and right control keys.
  • the touch panel 22 is a capacitive inductive touch panel, a keyboard 21, a touch panel 22, an audio input device 61 (microphone), and an audio output device 62 (speaker). Or the horn) is integrated with the RF transceiver 10, the microcontroller 20, and the power supply circuit 30.
  • the microcontroller 20 in the transmitter 1 can generate a corresponding button or movement signal and transmit it to the RF transceiver in the receiver 2 through the RF generator 10. 40, the signal is transmitted to the computer through the USB controller to achieve the corresponding control operation.
  • the audio signal from the audio input device 61 is processed by the digital audio decoder 60 and the microcontroller 20, transmitted through the radio frequency transceiver 10 of the transmitter 1 and the radio frequency transceiver 40 of the receiver 2, and
  • the computer is input to the computer via the USB interface 51; the audio signal from the computer is transmitted through the RF transceiver 40 of the receiver 2 and the RF transceiver 10 of the transmitter 1, processed by the digital audio decoder 60 and the microcontroller 20, and then output through the audio.
  • Device 62 outputs.
  • FIG. 3 the structure of the product (transmitter) of the present invention is shown in FIG.
  • the keyboard 21 and the touchpad 22 are integrated on the surface of the main body of the transmitter 1, the radio frequency transceiver 10, The circuit structure of the microcontroller 20 and the like is integrated inside the body of the transmitter.
  • the transmitter 1 is provided with a signal indicator 23 for displaying the working state and the communication state.
  • the receiver 2 is connected to the computer through the USB interface, and then the power switch of the transmitter 1 is turned on. The transmitter and the receiver establish a one-to-one connection by transmitting a confirmation code to each other through the radio frequency signal, and the user holds the transmitter through
  • the keyboard 21 and the touchpad 22 enable remote control of the computer.
  • the invention adopts an integrated structure, integrates a wireless keyboard, a touch panel and an audio input and output device, and has the advantages of simple structure and convenient carrying, and is particularly suitable for use in conferences, lectures, education and training, and home computer entertainment.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Position Input By Displaying (AREA)

Description

手持式无线键盘和触摸板一体装置 技术领域
本发明涉及计算机控制技术领域， 特别涉及一种手持式无线键盘和触摸板一体装置。 背景技术
目前， 在计算机的外围设备中， 无线鼠标和键盘为分体式结构； 而且， 现有的无线鼠 标和键盘采用标准式结构， 尺寸较大， 不便于便捷式的应用与携带。 例如， 在会议、 演讲、 教育培训和家用电脑娱乐等方面， 总是给使用者带来诸多不便。 另外， 现有的无线鼠标和 键盘没有集成音频模块， 不具备音频输入和输出功能。
例如， 于 2008年 6月 11 日授权公告的中国实用新型专利 CN 201072534Y, 公开了一 种具有触摸板功能的无线键盘。 该实用新型将无线键盘与触摸板集成在一起， 用于取代现 有鼠标的空间限制， 节省空间。 但是， 其结构和尺寸仍与现有的键盘类似， 体积较大， 不 便于携带和在移动过程中操作， 亦没有音频功能。 发明内容
为了克服现有技术中的缺点， 本发明的目的在于提供一种手持式无线键盘和触摸板一 体装置， 具有结构简单、 携带方便等优点。
本发明所采用的技术方案： 一种手持式无线键盘和触摸板一体装置， 包括手持的发射 器， 以及与被控计算机连接的接收器， 所述发射器与接收器通过无线射频信号进行通讯， 其中， 所述发射器包括射频收发器、 微控制器， 以及与微控制器连接的键盘和触摸板， 所 述键盘和触摸板的输入信号经微控制器处理后通过射频收发器向接收器发射； 所述接收器 包括射频收发器、 与该射频收发器连接的 USB控制器， 以及与计算机连接的 USB接口， 用 于接收来自发射器的信号并通过 USB控制器输送至计算机。
上述发射器还包括数字音频解码器、 以及与数字音频解码器连接的音频输入装置和音 频输出装置； 所述接收器接收来自计算机的音频信号， 并通过射频收发器向发射器发射。 所述音频输入装置产生的音频信号经数字音频解码器和微控制器处理后， 通过射频收发器 向接收器发射； 所述射频收发器接收到来自计算机的音频信号经微控制器和数字音频解码 器处理后， 通过音频输出装置输出。
上述发射器还包括供电电路， 该供电电路分别与射频收发器、 微控制器和数字音频解 码器连接。 所述发射器的射频收发器、 微控制器、 供电电路、 键盘、 触摸板、 数字音频解 码器、 音频输入装置和音频输出装置为一体式结构。
如上所述， 其中所述音频输入装置为麦克风， 所述音频输出装置为扬声器。 所述键盘 包括 I/O矩阵键盘及左、 右控制键。 所述触摸板为电容感应式触摸板。
上述发射器与接收器之间的无线射频信号的频率为 2. 4GHz ,所述发射器和接收器通过 无线射频信号互相发送确认码建立连接。 本发明所述的手持式无线键盘和触摸板一体装置， 其键盘和触摸板 (相当于无线鼠标 和键盘)采用一体式结构， 通过无线射频方式与计算机 (连接有接收器)进行通讯和对其进 行控制， 并且可以集成音频功能。 具有结构简单、 携带方便等优点， 特别适用于会议、 演 讲、 教育培训和家用电脑娱乐等方面使用。 附图说明
图 1是本发明第一实施例的电路原理框图；
图 2是本发明第二实施例的电路原理框图；
图 3是本发明的产品结构示意图。 具体实施方式
下面结合附图对本发明的具体结构作进一步的描述。
实施例一：
如图 1所示， 本实施例所述手持式无线键盘和触摸板一体装置， 包括手持的发射器 1， 以及与被控计算机连接的接收器 2，所述发射器 1与接收器 2之间通过 2. 4GHz的无线射频 信号进行通讯。 使用时， 发射器 1和接收器 2通过无线射频信号互相发送确认码建立一对 一的连接， 避免多台发射器和接收器之间产生信号干扰。 即发射器和接收器在开始连接时 有一个对码的过程，对码的作用是让发射器和接收器组成一对， 当同时有几对设备在同一 场所工作时，一一对码后相互之间不会干扰。 在对码过程中， 接收器和发射器之间双向通 讯。
其中， 所述发射器 1包括射频收发器 10、 微控制器 20， 以及与微控制器 20连接的键 盘 21和触摸板 22， 其中， 键盘 21和触摸板 22的输入信号经微控制器 20处理后通过射频 收发器 10向接收器发射。 所述发射器 1还包括供电电路 30 (包括电池 31和充电电路 32)， 该供电电路分别与射频收发器 10和微控制器 20连接进行供电。
所述接收器 2包括射频收发器 40、 与该射频收发器 40连接的 USB控制器 50， 以及与 计算机连接的 USB接口 51， 该接收器 2接收到来自发射器 1的信号后， 通过 USB控制器 50输送至计算机， 对计算机进行控制操作。 该接收器通过 USB接口与计算机连接， 并通过 计算机向接收器供电。
所述键盘 21包括 I/O矩阵键盘及左、右控制键，所述触摸板 22为电容感应式触摸板， 该键盘 21和触摸板 22与射频收发器 10、 微控制器 20、 供电电路 30作为一体式结构。 当 键盘上产生按键动作或触摸板上产生移动动作时， 发射器 1 中的微控制器 20即可生成相 应的按键或移动信号， 并通过射频发生器 10发送至接收器 2中的射频收发器 40， 再通过 USB控制器将该信号传送给计算机， 实现相应的控制操作。 实施例二：
如图 2所示， 本实施例在上述实施例一的基础之上集成了音频功能。 所述手持式无线 键盘和触摸板一体装置包括手持的发射器 1， 以及与被控计算机连接的接收器 2， 所述发 射器 1与接收器 2之间通过 2. 4GHz的无线射频信号进行通讯。 使用时， 发射器 1和接收 器 2通过无线射频信号互相发送确认码建立一对一的连接， 避免多台发射器和接收器之间 产生信号干扰。 即发射器和接收器在开始连接时有一个对码的过程，对码的作用是让发射 器和接收器组成一对， 当同时有几对设备在同一场所工作时，一一对码后相互之间不会干 扰。 在对码过程中， 接收器和发射器之间双向通讯。
其中， 所述发射器 1包括射频收发器 10、 微控制器 20、 与微控制器 20连接的键盘 21 和触摸板 22、 数字音频解码器 60、 以及与数字音频解码器连接的音频输入装置 61和音频 输出装置 62， 其中， 键盘 21和触摸板 22的输入信号经微控制器 20处理后通过射频收发 器 10向接收器发射； 由音频输入装置 61产生的音频信号经数字音频解码器 60和微控制 器 20处理后通过射频收发器 10向接收器 2发射； 由射频收发器 10接收到来自计算机的 音频信号经微控制器 20和数字音频解码器 60处理后， 通过音频输出装置 62输出。 所述 发射器 1还包括供电电路 30 (包括电池 31和充电电路 32)， 该供电电路分别与射频收发器 10、 微控制器 20以及音频解码器 60连接， 进行供电。 在本实施例中， 所述音频输入装置 61为麦克风， 所述音频输出装置 62为扬声器或喇叭。
所述接收器 2包括射频收发器 40、 与该射频收发器 40连接的 USB控制器 50， 以及与 计算机连接的 USB接口 51， 该接收器 2接收到来自发射器 1的信号后， 通过 USB控制器 50输送至计算机， 对计算机进行控制操作； 同时该接收器 2也将来自计算机的音频信号通 过射频收发器 40向发射器 1发射， 音频信号经数字音频解码器 60和微处理器 20处理后 由音频输出装置 62输出。 该接收器通过 USB接口与计算机连接， 并通过计算机向接收器 供电。
所述键盘 21包括 I/O矩阵键盘及左、右控制键，所述触摸板 22为电容感应式触摸板， 键盘 21、 触摸板 22、 音频输入装置 61 (麦克风）、 音频输出装置 62 (扬声器或喇叭)与射频 收发器 10、 微控制器 20、 供电电路 30作为一体式结构。 当键盘上产生按键动作或触摸板 上产生移动动作时， 发射器 1 中的微控制器 20即可生成相应的按键或移动信号， 并通过 射频发生器 10发送至接收器 2中的射频收发器 40， 再通过 USB控制器将该信号传送给计 算机， 实现相应的控制操作。 同样地， 来自音频输入装置 61 (麦克风）的音频信号经数字音 频解码器 60和微控制器 20处理后， 通过发射器 1的射频收发器 10和接收器 2的射频收 发器 40进行传输， 并经过 USB接口 51输入电脑； 来自电脑的音频信号经接收器 2的射频 收发器 40和发射器 1的射频收发器 10进行传输， 经过数字音频解码器 60和微控制器 20 处理后， 经过音频输出装置 62输出。 综上实施例一、 二所述， 如图 3所示为本发明的产品（发射器)结构示意图， 其中， 键 盘 21和触摸板 22均集成在发射器 1的主体表面， 射频收发器 10、 微控制器 20等电路结 构集成于发射器的主体内部。 另外， 发射器 1上还设有信号指示灯 23， 用于显示工作状态 和通讯状态等。 使用时， 将接收器 2通过 USB接口与计算机连接， 然后打开发射器 1的电 源开关， 发射器和接收器通过无线射频信号互相发送确认码建立一对一的连接， 使用者手 持发射器， 通过键盘 21和触摸板 22即可实现对计算机的远程遥控。
本发明采用一体式结构， 集成无线键盘、 触摸板以及音频输入输出装置于一体， 具有 结构简单、 携带方便等优点， 特别适用于会议、 演讲、 教育培训和家用电脑娱乐等方面使 用。

Claims

权 利 要 求 书
1. 一种手持式无线键盘和触摸板一体装置， 包括手持的发射器（1)， 以及与被控计算机连 接的接收器 (2)， 所述发射器与接收器通过无线射频信号进行通讯， 其特征在于， 所述发射器（1)包括射频收发器（10)、微控制器 (20)， 以及与微控制器连接的键盘 (21)和触摸板 (22)， 所述键盘和触摸板的输入信号经微控制器处理后通过射频收发器 (10)向接收器发射；
所述接收器（2)包括射频收发器 (40)、 与该射频收发器 (40)连接的 USB 控制器 (50)， 以及与计算机连接的 USB接口（51)， 用于接收来自发射器的信号并通过 USB控 制器输送至计算机。
2. 根据权利要求 1 所述的手持式无线键盘和触摸板一体装置， 其特征在于， 所述发射器
(1)还包括数字音频解码器 (60)、以及与数字音频解码器连接的音频输入装置 (61)和音 频输出装置 (62) ; 所述接收器 (2)接收来自计算机的音频信号， 并通过射频收发器 (40) 向发射器（1)发射。
3. 根据权利要求 2 所述的手持式无线键盘和触摸板一体装置， 其特征在于， 所述音频输 入装置 (61)产生的音频信号经数字音频解码器 (60)和微控制器 (20)处理后， 通过射频 收发器（10)向接收器 (2)发射；所述射频收发器（10)接收到来自计算机的音频信号经微 控制器 (20)和数字音频解码器 (60)处理后， 通过音频输出装置 (62)输出。
4. 根据权利要求 2 所述的手持式无线键盘和触摸板一体装置， 其特征在于， 所述发射器
(1)还包括供电电路 (30)， 该供电电路分别与射频收发器（10)、微控制器 (20)和数字音 频解码器 (60)连接。
5. 根据权利要求 4所述的手持式无线键盘和触摸板一体装置， 其特征在于， 所述发射器 的射频收发器（10)、 微控制器 (20)、 供电电路 (30)、 键盘 (21)、 触摸板 (22)、 数字音 频解码器 (60)、 音频输入装置 (61)和音频输出装置 (62)为一体式结构。
6. 根据权利要求 2或 3或 5所述的手持式无线键盘和触摸板一体装置， 其特征在于， 所 述音频输入装置 (61)为麦克风， 所述音频输出装置 (62)为扬声器。
7. 根据权利要求 1或 2所述的手持式无线键盘和触摸板一体装置， 其特征在于， 所述键 盘 (21)包括 I/O矩阵键盘及左、 右控制键。
8. 根据权利要求 1或 2所述的手持式无线键盘和触摸板一体装置， 其特征在于， 所述触 摸板 (22)为电容感应式触摸板。
9. 根据权利要求 1或 2所述的手持式无线键盘和触摸板一体装置， 其特征在于， 所述发 射器（1)与接收器 (2)之间的无线射频信号的频率为 2. 4GHz 0
10.根据权利要求 9 所述的手持式无线键盘和触摸板一体装置， 其特征在于， 所述发射器
(1)和接收器 (2)通过无线射频信号互相发送确认码建立连接。
PCT/CN2009/076063 2008-12-26 2009-12-25 手持式无线键盘和触摸板一体装置 WO2010072177A1 (zh)

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CNU2009200085786U CN201369015Y (zh) 2009-03-18 2009-03-18 具有音频的手持式无线键盘和触摸板一体装置

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