【技术领域】【Technical field】
本发明涉及一种输入装置，具体指一种手写输入装置。The invention relates to an input device, in particular to a handwriting input device.
【背景技术】【Background technique】
现有的手写输入装置，通常为一磁性感应的手写数位板配合一感应感，或者为一触摸显示屏配合一手写笔等。也就是说，现有的手写输入装置皆需配合手写数位板，不但成本增加，也造成使用者携带不方便。Existing handwriting input devices are usually a magnetically sensitive digital tablet with a sense of induction, or a touch screen with a stylus. That is to say, the existing handwriting input devices all need to cooperate with the handwriting digital tablet, which not only increases the cost, but also makes it inconvenient for users to carry.
因此，有必要提供一种新的手写输入装置来解决上述问题。Therefore, it is necessary to provide a new handwriting input device to solve the above problems.
【发明内容】【Content of invention】
本发明的目的在于提供一种书写方便的手写输入装置。The purpose of the present invention is to provide a convenient handwriting input device.
本发明的技术方案如下：一种手写输入装置，其包括发射超声波信号的手写笔和接收所述超声波信号的信号接收及处理模块，所述手写笔包括壳体及置于所述壳体内的笔芯，所述笔芯包括用于书写文字的笔尖，所述笔尖可选择的露出于所述壳体的下端，所述书写笔还包括用于清除所述笔尖书写的文字的橡皮擦，所述橡皮擦露出于所述壳体的上端，The technical scheme of the present invention is as follows: a handwriting input device, which includes a stylus for emitting ultrasonic signals and a signal receiving and processing module for receiving the ultrasonic signals, the stylus includes a housing and a pen placed in the housing core, the pen core includes a nib for writing characters, the nib is optionally exposed at the lower end of the housing, the writing pen also includes an eraser for erasing the characters written by the nib, the The eraser is exposed on the upper end of the housing,
所述书写笔还包括置于壳体内的第一压力传感器、第二压力传感器、超声驱动电路、第一超声发射器以及第二超声发射器，所述第一压力传感器用于在侦测到所述笔芯受到任一接触面的按压时，产生第一压力感应信号；所述第二压力传感器用于在侦测到所述橡皮擦受到任一接触面的按压时，产生第二压力感应信号；所述超声驱动电路接收第一压力感应信号和第二压力感应信号并且驱动第一超声发射器发射第一超声波信号和驱动所述第二超声发射器发射第二超声波信号，所述第一超声波信号和第二超声波信号是不同编码的超声波信号；The writing pen also includes a first pressure sensor, a second pressure sensor, an ultrasonic drive circuit, a first ultrasonic emitter and a second ultrasonic emitter placed in the housing, and the first pressure sensor is used to detect the When the refill is pressed by any contact surface, a first pressure sensing signal is generated; the second pressure sensor is used to generate a second pressure sensing signal when detecting that the eraser is pressed by any contact surface The ultrasonic driving circuit receives the first pressure sensing signal and the second pressure sensing signal and drives the first ultrasonic transmitter to transmit the first ultrasonic signal and drives the second ultrasonic transmitter to transmit the second ultrasonic signal, the first ultrasonic The signal and the second ultrasonic signal are ultrasonic signals with different codes;
所述信号接收及处理模块包括信号处理电路以及至少两个超声波接收传感器，所述超声波接收传感器用于接收第一超声波信号和第二超声波信号，所述信号处理电路根据第一超声波信号和第二超声波信号识别笔尖和橡皮擦的运动轨迹并将笔尖和橡皮擦的轨迹数据发送给电子终端。The signal receiving and processing module includes a signal processing circuit and at least two ultrasonic receiving sensors, the ultrasonic receiving sensors are used to receive the first ultrasonic signal and the second ultrasonic signal, and the signal processing circuit is based on the first ultrasonic signal and the second ultrasonic signal. The ultrasonic signal recognizes the trajectory of the pen tip and the eraser and sends the trajectory data of the pen tip and the eraser to the electronic terminal.
优选的，所述手写笔还包括置于壳体内的供电模块，所述供电模块与所述超声驱动电路连接。Preferably, the stylus further includes a power supply module placed in the casing, and the power supply module is connected to the ultrasonic drive circuit.
优选的，所述超声波接收传感器为超声麦克风。Preferably, the ultrasonic receiving sensor is an ultrasonic microphone.
优选的，所述第一超声发射器为第一超声蜂鸣器，所述第二超声发射器为第二超声蜂鸣器。Preferably, the first ultrasonic transmitter is a first ultrasonic buzzer, and the second ultrasonic transmitter is a second ultrasonic buzzer.
优选的，所述信号处理电路包括与所述超声波接收传感器连接的信号放大器、模数转换器以及轨迹识别电路。Preferably, the signal processing circuit includes a signal amplifier connected to the ultrasonic receiving sensor, an analog-to-digital converter, and a trajectory identification circuit.
一种手写输入装置，其包括发射超声波信号的手写笔和接收所述超声波信号的信号接收及处理模块，所述手写笔包括壳体及置于所述壳体内的第一笔芯，所述第一笔芯包括用于书写文字的第一笔尖，所述第一笔尖可选择的露出于所述壳体的下端，所述书写笔还包括置于壳体内的与第一笔芯不同的第二笔芯，所述第二笔芯包括用于书写文字的第二笔尖，所述第二笔尖可选择的露出于所述壳体的上端，A handwriting input device, which includes a stylus for emitting ultrasonic signals and a signal receiving and processing module for receiving the ultrasonic signals, the stylus includes a casing and a first refill placed in the casing, the first A refill includes a first nib for writing characters, and the first nib is selectively exposed at the lower end of the housing, and the writing pen also includes a second nib different from the first refill placed in the housing. a refill, the second refill includes a second nib for writing characters, the second nib is optionally exposed on the upper end of the housing,
所述书写笔还包括置于壳体内的第一压力传感器、第二压力传感器、超声驱动电路、第一超声发射器以及第二超声发射器，所述第一压力传感器用于在侦测到所述第一笔芯受到任一接触面的按压时，产生第一压力感应信号；所述第二压力传感器用于在侦测到所述第二笔芯受到任一接触面的按压时，产生第二压力感应信号；所述超声驱动电路接收第一压力感应信号和第二压力感应信号并且驱动第一超声发射器发射第一超声波信号和驱动所述第二超声发射器发射第二超声波信号，所述第一超声波信号和第二超声波信号是不同编码的超声波信号；The writing pen also includes a first pressure sensor, a second pressure sensor, an ultrasonic drive circuit, a first ultrasonic emitter and a second ultrasonic emitter placed in the housing, and the first pressure sensor is used to detect the When the first pen core is pressed by any contact surface, a first pressure sensing signal is generated; the second pressure sensor is used to generate a first pressure sensor signal when it detects that the second pen core is pressed by any contact surface. Two pressure sensing signals; the ultrasonic drive circuit receives the first pressure sensing signal and the second pressure sensing signal and drives the first ultrasonic transmitter to emit the first ultrasonic signal and drives the second ultrasonic emitter to emit the second ultrasonic signal, so The first ultrasonic signal and the second ultrasonic signal are ultrasonic signals of different codes;
所述信号接收及处理模块包括信号处理电路以及至少两个超声波接收传感器，所述超声波接收传感器用于接收第一超声波信号和第二超声波信号，所述信号处理电路根据第一超声波信号和第二超声波信号识别第一笔尖和第二笔尖的运动轨迹并将第一笔尖和第二笔尖的轨迹数据发送给电子终端。The signal receiving and processing module includes a signal processing circuit and at least two ultrasonic receiving sensors, the ultrasonic receiving sensors are used to receive the first ultrasonic signal and the second ultrasonic signal, and the signal processing circuit is based on the first ultrasonic signal and the second ultrasonic signal. The ultrasonic signal identifies the movement track of the first pen tip and the second pen tip and sends the track data of the first pen tip and the second pen tip to the electronic terminal.
优选的，所述手写笔还包括置于壳体内的供电模块，所述供电模块与所述超声驱动电路连接。Preferably, the stylus further includes a power supply module placed in the casing, and the power supply module is connected to the ultrasonic driving circuit.
优选的，所述超声波接收传感器为超声麦克风。Preferably, the ultrasonic receiving sensor is an ultrasonic microphone.
优选的，所述第一超声发射器为第一超声蜂鸣器，所述第二超声发射器为第二超声蜂鸣器。Preferably, the first ultrasonic transmitter is a first ultrasonic buzzer, and the second ultrasonic transmitter is a second ultrasonic buzzer.
优选的，所述信号处理电路包括与所述超声波接收传感器连接的信号放大器、模数转换器以及轨迹识别电路。Preferably, the signal processing circuit includes a signal amplifier connected to the ultrasonic receiving sensor, an analog-to-digital converter, and a trajectory identification circuit.
本发明的有益效果在于：由于手写笔的两端分别设有书写文件的笔尖和可擦除笔迹的橡皮擦或者是两端分别设置不同的笔尖，手写笔可以在任何接触面进行书写，无需配备手写板，并且手写笔的一端可以用于书写，另一端可用于擦除或标记。The beneficial effects of the present invention are: since the two ends of the stylus are respectively provided with a nib for writing documents and an eraser for erasing handwriting or different nibs are respectively set at both ends, the stylus can write on any contact surface without any equipment. A tablet with a stylus that can be used for writing on one end and erasing or marking on the other.
【附图说明】【Description of drawings】
图1为本发明第一实施例的手写输入装置的框图示意图；FIG. 1 is a schematic block diagram of a handwriting input device according to a first embodiment of the present invention;
图2为本发明第一实施例的手写输入装置的原理图；2 is a schematic diagram of a handwriting input device according to a first embodiment of the present invention;
图3为本发明第二实施例的手写输入装置的书写笔的框图示意图。FIG. 3 is a schematic block diagram of a writing pen of a handwriting input device according to a second embodiment of the present invention.
【具体实施方式】【Detailed ways】
下面结合附图和实施方式对本发明作进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
如图1及图2所示，为本发明第一实施例的手写输入装置100，其包括发射超声波信号的手写笔10和接收所述超声波信号的信号接收及处理模块20，As shown in FIG. 1 and FIG. 2, it is a handwriting input device 100 according to the first embodiment of the present invention, which includes a stylus 10 for emitting ultrasonic signals and a signal receiving and processing module 20 for receiving said ultrasonic signals,
所述手写笔10包括壳体110以及置于所述壳体110内的笔芯11，壳体110的大小与一般圆珠笔的大小相当，所述笔芯11包括用于书写文字的笔尖112以及置于壳体110内的油墨芯111，所述笔尖112可选择的露出于所述壳体110的下端或隐藏于壳体110内，笔尖112可为一圆珠笔笔头、铅笔笔头或任何市面上已知的笔头，以供使用者方便书写。在本实施方式中，所述油墨芯111为可擦除的油墨芯，并且所述书写笔10还包括用于清除所述笔尖112笔迹的橡皮擦14，所述橡皮擦14露出于所述壳体110的上端，即，书写笔10的两端分别设置笔尖112和橡皮擦14。The stylus 10 includes a casing 110 and a refill 11 placed in the casing 110. The size of the casing 110 is equivalent to that of a general ballpoint pen. The refill 11 includes a nib 112 for writing characters and a The ink core 111 in the housing 110, the nib 112 can be selectively exposed at the lower end of the housing 110 or hidden in the housing 110, the nib 112 can be a ballpoint pen nib, a pencil nib or any known on the market The tip of the pen is convenient for users to write. In this embodiment, the ink core 111 is an erasable ink core, and the writing pen 10 further includes an eraser 14 for removing the writing of the nib 112, and the eraser 14 is exposed from the shell. The upper end of the body 110 , that is, the two ends of the writing pen 10 are respectively provided with a nib 112 and an eraser 14 .
所述书写笔10还包括置于壳体110内的第一压力传感器13、第二压力传感器15、超声驱动电路17、第一超声发射器12以及第二超声发射器16。其中，所述第一压力传感器13与笔芯11连接并且用于在侦测到所述笔芯11受到任一接触面的按压时，产生第一压力感应信号；所述第二压力传感器15与橡皮擦14连接并且用于在侦测到所述橡皮擦14受到任一接触面的按压时，产生第二压力感应信号；所述超声驱动电路17接收第一压力感应信号和第二压力感应信号并且驱动第一超声发射器12发射第一超声波信号和驱动所述第二超声发射器16发射第二超声波信号，所述第一超声波信号和第二超声波信号是不同编码的超声波信号。另外，第一超声发射器12为第一蜂鸣器并且靠近笔尖112，第二超声发射器16为第二蜂鸣器并且靠近橡皮擦14。所述手写笔10还包括置于壳体110内的供电模块18，所述供电模块18与所述超声驱动电路17连接，可为超声驱动电路17供应电源。The writing pen 10 also includes a first pressure sensor 13 , a second pressure sensor 15 , an ultrasonic drive circuit 17 , a first ultrasonic emitter 12 and a second ultrasonic emitter 16 disposed in the casing 110 . Wherein, the first pressure sensor 13 is connected with the refill 11 and is used to generate a first pressure sensing signal when the refill 11 is detected to be pressed by any contact surface; the second pressure sensor 15 is connected with the refill 11. The eraser 14 is connected and used to generate a second pressure-sensing signal when it is detected that the eraser 14 is pressed by any contact surface; the ultrasonic drive circuit 17 receives the first pressure-sensing signal and the second pressure-sensing signal And driving the first ultrasonic transmitter 12 to emit a first ultrasonic signal and driving the second ultrasonic emitter 16 to emit a second ultrasonic signal, the first ultrasonic signal and the second ultrasonic signal are ultrasonic signals with different codes. In addition, the first ultrasonic emitter 12 is a first buzzer and is close to the pen tip 112 , and the second ultrasonic emitter 16 is a second buzzer and is close to the eraser 14 . The stylus 10 also includes a power supply module 18 placed in the housing 110 , the power supply module 18 is connected to the ultrasonic driving circuit 17 and can supply power to the ultrasonic driving circuit 17 .
所述信号接收及处理模块20包括信号处理电路23以及至少两个互相间隔的超声波接收传感器，在本实施方式中，超声波接收传感器为超声麦克风，并且设有两个，分别为第一超声麦克风21和第二超声麦克风22，第一超声麦克风21和第二超声麦克风22分别设置在信号接收和处理模块20的两端，并且分别用于接收第一超声波信号和第二超声波信号，所述信号处理电路23根据第一超声波信号和第二超声波信号识别笔尖112和橡皮擦14的运动轨迹并将笔尖112和橡皮擦14的轨迹数据发送给电子终端。具体的，信号处理电路23包括与超声波接收传感器连接的信号放大器、模数转换器以及轨迹识别电路。在本发明中，当笔尖112在纸张或者是任意可书写文字的地方书写文字的时候，电子终端的屏幕会同步显示出笔尖112书写的字迹或经识别后成电子文档；橡皮擦14在擦除文字的时候，电子终端的屏幕上的字迹或文字也会对应的被擦除，由此达到既可以书写文字又可以擦除的目的。电子终端可以为平板电脑、手机、计算机或是其它电子设备。信号接收及处理模块可以为单独的设备，也可以为电子终端的一部分，此时信号处理模块为电子终端的信号处理器。The signal receiving and processing module 20 includes a signal processing circuit 23 and at least two ultrasonic receiving sensors spaced apart from each other. In this embodiment, the ultrasonic receiving sensor is an ultrasonic microphone, and two are provided, respectively the first ultrasonic microphone 21 and the second ultrasonic microphone 22, the first ultrasonic microphone 21 and the second ultrasonic microphone 22 are respectively arranged at the two ends of the signal receiving and processing module 20, and are respectively used to receive the first ultrasonic signal and the second ultrasonic signal, and the signal processing The circuit 23 identifies the trajectory of the pen tip 112 and the eraser 14 according to the first ultrasonic signal and the second ultrasonic signal, and sends the trajectory data of the pen tip 112 and the eraser 14 to the electronic terminal. Specifically, the signal processing circuit 23 includes a signal amplifier connected to the ultrasonic receiving sensor, an analog-to-digital converter, and a trajectory identification circuit. In the present invention, when the nib 112 writes characters on paper or any place where characters can be written, the screen of the electronic terminal will synchronously display the handwriting written by the nib 112 or become an electronic document after being recognized; the eraser 14 is erasing When writing, the handwriting or text on the screen of the electronic terminal will also be erased correspondingly, thereby achieving the purpose of both writing and erasing. The electronic terminal may be a tablet computer, a mobile phone, a computer or other electronic devices. The signal receiving and processing module can be a separate device, or a part of the electronic terminal, and in this case, the signal processing module is a signal processor of the electronic terminal.
参照图3所示，为本发明的第二实施例的书写输入装置的手写笔，第二实施例与第一实施例的区别在于：书写笔30的两端分别设置第一笔芯31和第二笔芯34，第一笔芯31和第一压力传感器33连接，第一笔芯31包括第一油墨芯311和第一笔尖312，第二笔芯34和第二压力传感器35连接，第二笔芯34包括第二油墨芯341和第二笔尖342，第一油墨芯311和第二油墨芯341的颜色不同，或者是第一笔尖312和第二笔尖342的粗细不同，由此，第一笔尖312可以用来书写，第二笔尖342可以用来标记。Referring to Fig. 3, it is the stylus of the writing input device of the second embodiment of the present invention, the difference between the second embodiment and the first embodiment is: the two ends of the writing pen 30 are respectively provided with a first refill 31 and a second pen core. Two pen cores 34, the first pen core 31 is connected with the first pressure sensor 33, the first pen core 31 includes the first ink core 311 and the first nib 312, the second pen core 34 is connected with the second pressure sensor 35, and the second pen core 31 is connected with the second pressure sensor 35. Pen core 34 comprises second ink core 341 and second pen point 342, the color of first ink core 311 and second ink core 341 are different, or the thickness of first pen point 312 and second pen point 342 are different, thus, the first The nib 312 can be used for writing and the second nib 342 can be used for marking.
以上所述的仅是本发明的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出改进，但这些均属于本发明的保护范围。What has been described above is only the embodiment of the present invention, and it should be pointed out that for those of ordinary skill in the art, improvements can be made without departing from the creative concept of the present invention, but these all belong to the present invention scope of protection.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510432511.5ACN105022505A (en) | 2015-07-21 | 2015-07-21 | Handwriting input apparatus |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510432511.5ACN105022505A (en) | 2015-07-21 | 2015-07-21 | Handwriting input apparatus |
| Publication Number | Publication Date |
|---|---|
| CN105022505Atrue CN105022505A (en) | 2015-11-04 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510432511.5APendingCN105022505A (en) | 2015-07-21 | 2015-07-21 | Handwriting input apparatus |
| Country | Link |
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| CN (1) | CN105022505A (en) |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | Application publication date:20151104 | |
| RJ01 | Rejection of invention patent application after publication |