WO2016070498A1 - 可通过非接触手势操控的电子设备 - Google Patents

可通过非接触手势操控的电子设备 Download PDF

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Publication number
WO2016070498A1
WO2016070498A1 PCT/CN2015/071091 CN2015071091W WO2016070498A1 WO 2016070498 A1 WO2016070498 A1 WO 2016070498A1 CN 2015071091 W CN2015071091 W CN 2015071091W WO 2016070498 A1 WO2016070498 A1 WO 2016070498A1
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Prior art keywords
infrared
circuit
electronic device
output
infrared sensing
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PCT/CN2015/071091
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English (en)
French (fr)
Inventor
李灿松
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惠州Tcl移动通信有限公司
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Application filed by 惠州Tcl移动通信有限公司 filed Critical 惠州Tcl移动通信有限公司
Priority to EP15794049.5A priority Critical patent/EP3217253B1/en
Priority to US14/901,835 priority patent/US10048766B2/en
Publication of WO2016070498A1 publication Critical patent/WO2016070498A1/zh

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    • 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
    • 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
    • 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
    • G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
    • 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
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G06F3/0485—Scrolling or panning

Definitions

  • the present invention relates to the field of electronic devices, and more particularly to an electronic device that can be manipulated by non-contact gestures.
  • the technical problem to be solved by the present invention is to provide an electronic device that can be controlled by a non-contact gesture, which enables the user to control the electronic device more quickly, and can improve the user experience.
  • the technical solution adopted by the present invention is to provide an electronic device that can be controlled by a non-contact gesture.
  • the electronic device includes: a plurality of infrared sensing units, and the infrared sensing unit when the gesture passes through the infrared sensing unit.
  • the level state of the output of the output terminal changes;
  • the logic circuit, the plurality of input ends of the logic circuit are respectively connected to the outputs of the plurality of infrared sensing units, and are used when the level of the output of the infrared sensor unit changes And generating an interrupt signal and outputting;
  • the processor is coupled to the output ends of the plurality of infrared sensing units respectively, and the processor is connected to the output end of the logic circuit, the processor is configured to receive the interrupt signal, and each time the interrupt is received When the signal is obtained, the level states of the outputs of the plurality of infrared sensing units are acquired and saved as a set of level state data, and the level state data is The preset data comparison, if consistent, continues to receive the next interrupt signal, and after receiving the predetermined number of interrupt signals, the processor determines that the gesture recognition is successful and executes the corresponding instruction; wherein the logic circuit includes the NAND gate circuit and the plurality or The non-gate circuit, the output end of each infrared sens
  • Each NAND circuit includes four input terminals, the number of infrared sensing units is 14, the number of NAND gate circuits is four, the number of NAND gate circuits is one, and the infrared sensing unit is not connected or The input of the NOT circuit is grounded.
  • the infrared sensor comprises an infrared receiving circuit and an infrared transmitting circuit.
  • the gesture passes through the infrared sensor, the infrared light emitted by the infrared transmitting circuit is blocked and reflected to the infrared receiving circuit, and the infrared receiving circuit receives the reflected infrared light.
  • a pulse signal is generated.
  • the signal conversion circuit is a monostable trigger circuit.
  • the electronic device further includes a pull-up resistor, and an output of the infrared sensing unit is further connected to the reference voltage through a pull-up resistor.
  • the display size of the electronic device is 5 inches, and the infrared sensing unit is disposed on both sides of the display screen, and 7 infrared sensing units are disposed on each side.
  • the processor stores the task flag.
  • the task flag is incremented by one.
  • the gesture recognition is determined to be successful and the corresponding instruction is executed.
  • the corresponding instruction is an unlock instruction, a Bluetooth transmission instruction, a page turning instruction, or a call instruction.
  • the electronic device includes: a plurality of infrared sensing units, and infrared sensing when the gesture passes through the infrared sensing unit.
  • the level of the output of the output of the unit changes; logic a plurality of input ends of the logic circuit are respectively connected to the output ends of the plurality of infrared sensing units, and are configured to generate an interrupt signal and output when the level of the output of the infrared sensor unit changes; the processor, the processor And respectively coupled to the output ends of the plurality of infrared sensing units, and the processor is connected to the output end of the logic circuit, the processor is configured to receive the interrupt signal, and acquire the output ends of the plurality of infrared sensing units each time the interrupt signal is received
  • the level state is saved as a set of level state data, and the level state data is compared with the preset data. If it is consistent, the next interrupt signal is continuously received, and the processor determines the gesture recognition after receiving the predetermined number of interrupt signals. Success and execute the appropriate instructions.
  • the logic circuit comprises a NAND gate circuit and a plurality of NOR gate circuits, wherein an output end of each infrared sensing unit is connected to an input terminal of the NOR circuit, and an output end of each NOR circuit is connected The input of the gate circuit and the output of the NAND gate function as the output of the logic circuit.
  • Each NAND circuit includes four input terminals, the number of infrared sensing units is 14, the number of NAND gate circuits is four, the number of NAND gate circuits is one, and the infrared sensing unit is not connected or The input of the NOT circuit is grounded.
  • Each of the infrared sensing units includes an infrared sensor and a signal conversion circuit, and the infrared sensor is connected to the signal conversion circuit, and the infrared sensor generates a pulse signal when the gesture passes, and the signal conversion circuit is used to generate the corresponding infrared sensor.
  • the pulse signal is converted to a high level signal.
  • the infrared sensor comprises an infrared receiving circuit and an infrared transmitting circuit.
  • the gesture passes through the infrared sensor, the infrared light emitted by the infrared transmitting circuit is blocked and reflected to the infrared receiving circuit, and the infrared receiving circuit receives the reflected infrared light.
  • a pulse signal is generated.
  • the signal conversion circuit is a monostable trigger circuit.
  • the electronic device further includes a pull-up resistor, and an output of the infrared sensing unit is further connected to the reference voltage through a pull-up resistor.
  • the display size of the electronic device is 5 inches, and the infrared sensing unit is disposed on both sides of the display screen, and 7 infrared sensing units are disposed on each side.
  • the processor stores the task flag bit, and when the level state data is consistent with the preset data, the task flag is incremented by one, and when the task flag is added to the predetermined value, determining that the gesture recognition is successful and executing the corresponding finger make.
  • the corresponding instruction is an unlock instruction, a Bluetooth transmission instruction, a page turning instruction, or a call instruction.
  • the present invention sets a plurality of infrared sensing units, and when the gesture passes through the infrared sensing unit, the level state of the output of the infrared sensing unit changes, and the setting is changed.
  • the plurality of input ends of the logic circuit are respectively connected to the output ends of the plurality of infrared sensing units, and when the level of the output of the infrared sensor unit changes, an interrupt signal is generated and outputted, and the plurality of infrared sensors are respectively processed by the processor.
  • the output end of the unit is coupled to receive an interrupt signal, and each time an interrupt signal is received, the level state of the output ends of the plurality of infrared sensing units is acquired and saved as a set of level status data, and the level status data is pre- If the data is compared, if the next interrupt signal is received, the processor determines that the gesture recognition is successful and executes the corresponding command after receiving the predetermined number of interrupt signals, thereby enabling the user to control the electronic device more quickly. Improve the user experience.
  • FIG. 1 is a block diagram of an electronic device that can be manipulated by a contactless gesture according to a first embodiment of the present invention
  • FIG. 2 is a block diagram of an electronic device that can be manipulated by a contactless gesture according to a second embodiment of the present invention
  • FIG. 3 is a schematic view showing the mounting position of the infrared sensor of the present invention on an electronic device
  • FIG. 4 is a flow chart showing a specific application example of an electronic device according to a second embodiment of the present invention.
  • FIG. 1 is a schematic diagram of a module of an electronic device that can be controlled by a non-contact gesture according to a first embodiment of the present invention.
  • the electronic device includes a plurality of infrared sensing units 10, logic circuits 11, and a processor 12.
  • the plurality of input ends of the logic circuit 11 are respectively connected to the output ends of the plurality of infrared sensing units 10, and are used to generate an interrupt signal and output when the level of the output of the infrared sensor unit 10 changes.
  • the processor 12 is coupled to the output ends of the plurality of infrared sensing units 10, and the processor 12 is coupled to the output of the logic circuit 11, and the processor 12 is configured to receive the interrupt signal generated by the logic circuit 11 and receive each time.
  • the interrupt signal is reached, the level state of the output ends of the plurality of infrared sensing units 10 is acquired and saved as a set of level state data, and the level state data is compared with the preset data, and if they are consistent, the next interrupt signal is continuously received.
  • the processor 12 determines that the gesture recognition is successful and executes the corresponding instruction after receiving the predetermined number of interrupt signals.
  • the processor 12 stores the task flag.
  • the task flag is incremented by one.
  • the task flag is added to the predetermined value, it is determined that the gesture recognition is successful and the corresponding instruction is executed.
  • the corresponding instruction is an unlocking instruction, a Bluetooth transmission instruction, a page turning instruction or a call receiving instruction.
  • FIG. 2 is a schematic diagram of a module of an electronic device that can be controlled by a contactless gesture according to a second embodiment of the present invention.
  • the electronic device includes a plurality of infrared sensing units 20, logic circuits 21, and a processor 22.
  • the level of the output of the output of the infrared sensing unit 10 changes.
  • the plurality of input ends of the logic circuit 21 are respectively connected to the output ends of the plurality of infrared sensing units 20, and are used to generate an interrupt signal and output when the level of the output of the infrared sensor unit 20 changes.
  • the processor 22 is coupled to the output ends of the plurality of infrared sensing units 20, and the processor 22 is coupled to the output of the logic circuit 21, and the processor 12 is configured to receive the interrupt signal generated by the logic circuit 21, and receive each time.
  • the interrupt signal is reached, the level states of the outputs of the plurality of infrared sensing units 20 are acquired and saved as a set of level state data, and the level state data is compared with the preset data, and if they are consistent, then After receiving the next interrupt signal, the processor 22 determines that the gesture recognition is successful and executes the corresponding command after receiving the predetermined number of interrupt signals.
  • the processor 22 stores the task flag bit.
  • the task flag is incremented by one.
  • the task flag is added to the predetermined value, it is determined that the gesture recognition is successful and the corresponding instruction is executed.
  • the logic circuit 21 includes a NAND circuit 211 and a plurality of NOR circuits 212.
  • the output of each of the infrared sensing units 20 is connected to one input of the NOR circuit 212, and each NOR circuit 212
  • the output terminals are connected to the input terminals of the NAND circuit 211, and the output terminals of the NAND circuit 211 serve as the output terminals of the logic circuit 21.
  • each NOR circuit 212 includes four input terminals, the number of infrared sensing units 20 is 14, the number of NOR gate circuits 212 is four, and the number of NAND gate circuits 211 is one.
  • the input terminal of the NOR circuit 212 to which the infrared sensing unit 20 is not connected is grounded.
  • each infrared sensing unit 20 includes an infrared sensor 201 and a signal conversion circuit 202.
  • the infrared sensor 201 is connected to the signal conversion circuit 202.
  • the infrared sensor 201 generates a pulse signal when a gesture passes, and the signal conversion circuit 202 is used for The pulse signal generated by the corresponding infrared sensor 201 is converted into a high level signal.
  • signal conversion circuit 202 is monostable trigger circuit 202.
  • the electronic device further includes pull-up resistors r1 r r14, and the output of the infrared sensing unit 20 is further connected to the reference voltage V through the pull-up resistors r1 r r14.
  • the connection relationship of other pull-up resistors r2, r3, r4, ... r13 is similar, that is, the n-th group of infrared sensing units 20
  • the output terminal is connected to the reference voltage V through rn.
  • the magnitude of the reference voltage V is 3V.
  • the processor 12 is coupled to the output of the plurality of infrared sensing units 10 (ie, the output of the signal conversion circuit 202) through resistors R1 R R14, and only R1 and R14 are shown in FIG. 2, and those skilled in the art may It is clearly understood that the connection relationship of the other resistors R2, R3, R4, ... R13 is similar, that is, the output of the nth group of infrared sensing units 20 is connected to the GPIO port GPIO_0n of the processor 12 via Rn, for example, the seventh. The output of the group infrared sensing unit 20 passes through R7 and the GPIO_07 of the processor 12. Connections, and so on.
  • the output of logic circuit 21 is coupled to the GPIO interrupt pin of processor 22, i.e., to the GPIO_INT pin.
  • FIG. 3 is a schematic diagram of the installation position of the infrared sensor of the present invention on an electronic device.
  • the infrared sensor 201 includes an infrared receiving circuit 2011 and an infrared transmitting circuit 2012.
  • the gesture passes through the infrared sensor 201, the infrared light emitted by the infrared transmitting circuit 2012 is blocked and reflected to the infrared receiving circuit 2011, and the infrared receiving circuit A pulse signal is generated when the reflected infrared light is received in 2011.
  • the display screen 23 of the electronic device is 5 inches in size, and the infrared sensing unit 20 is disposed on both side edges of the display screen 23, and seven infrared sensing units are disposed on each side.
  • the infrared sensor 201 in the infrared sensing unit 20 can be disposed on the frame surface of the display of the electronic device.
  • the infrared transmitting circuit 2012 includes an astable oscillator and an infrared transmitting tube
  • the infrared receiving circuit 2011 includes an infrared receiving tube, a rectifying and filtering circuit, and two inverting amplifiers.
  • the monostable trigger circuit consists of the NE555 and a peripheral RC device.
  • the existing NOR integrated IC at most four input terminals are integrated, so that only four infrared sensing units 20 can correspond to the output of one NOR circuit 212. It can be understood that when the technology develops into a NAND gate integrated IC that can integrate more inputs, it is implemented with as few NAND gates 212 as possible.
  • each of the infrared sensors 201 has no occlusion (ie, no gesture passes)
  • the pulse signal is not output, and the monostable trigger circuit 202 always outputs a low level, that is, four inputs of the NOR circuit 212.
  • the terminals are all low, then the output of the NOR circuit 212 is high.
  • the reflected light source is absorbed and amplified by the infrared receiving circuit 2011, and a pulse signal is output, and the pulse signal is converted to a high level by the monostable trigger circuit 202, according to the NOR circuit 212.
  • the logical relationship when any input becomes high, will output a low level.
  • the logic diagram of the NOR circuit 212 is shown in Table 1 below.
  • the number of the NOR gates 212 is different according to the number of the infrared sensors 201.
  • four NOR circuits 212 are required, and the output terminals of the four NOR circuits 212 are connected to a NAND circuit 211.
  • the four NOR circuits output a high level. According to the logic relationship of the NAND circuit 211, the output of the NAND circuit 211 will be a low power. level.
  • an infrared sensor 201 is triggered (ie, occluded, that is, there is a gesture passing through it)
  • at least one of the four NOR circuits will jump from a high level to a low level
  • the output of the gate circuit 211 will jump from a low level to a high level, thereby triggering a hardware interrupt
  • an output of the NAND circuit 211 i.e., the output of the logic circuit 21
  • the processor 22 When the interrupt is woken up (ie, the processor 22 receives the interrupt signal), the processor 22 immediately reads the level status of the 14 GPIO ports (GPIO_01 to GPIO_14) (the GPIO port refers to the general-purpose input/output interface on the processor 22). It is saved to the cache as a set of level status data and compared with the data preset by the phone. If they are the same, they continue to receive the next interrupt response (receive interrupt signal), and then record the GPIO level status after each interrupt response, until 14 infrared sensors trigger the interrupt. If the comparison result is different at any one of them, the interrupt response is stopped, and the user is prompted to judge the failure, and the program ends until the user starts the next gesture judgment.
  • the interrupt response time of mobile phones the number of hardware interrupts ⁇ clock cycles.
  • the memory access speed is determined not only by its own working frequency, but also by CAS (column address selection) Access time and delay time of the Pulse Address, but considering that the current memory is nominally nanosecond reading speed, it is fully guaranteed to store data after interrupt response.
  • the read speed of the GPIO port of the processor 22 is theoretically equal to one clock cycle, but considering the system delay and the occupation of various processes, it is impossible to reach the theoretical value regardless of the GPIO port read speed or the interrupt response speed.
  • the current android system and hardware environment can fully respond to the user's gesture change speed. According to our experimental statistics, the user's gestures normally complete a complete change on a 5-inch screen mobile phone.
  • the action time is approximately between 0.02S and 0.05S.
  • the user pre-stores 3--5 similar gesture changes, and the mobile phone saves the GPIO level data (level status data) in the gesture change process to the mobile_info partition, which is saved as preset data.
  • the data structure of each group consists of a 14 ⁇ 14 two-dimensional array array[14][14]. The rows of the two-dimensional array are used to record the GPIO state after the interrupt response, and the two-dimensional array column indicates how many interrupt responses there are. .
  • the acquired data is sequentially compared with the data preset in mobile_info. If the data is the same, the task flag is incremented by 1.
  • the corresponding command is an unlock command, a Bluetooth transfer command, a page turning command, or a call command.
  • the function of the present invention can be switched by the mobile phone setting. If the user turns on this function, by default, when the mobile phone is in the unlocked state, that is, after the gesture recognition is successful, the power switch on all the hardware circuits in the solution will be turned off. . Only when the user turns on the Bluetooth function, the software turns on the power switch on the GPIO control hardware. If the user turns off the Bluetooth function, the power switch will also be turned off automatically, thus minimizing power consumption.
  • the first triggered infrared sensor should be the seventh.
  • the interrupt when the interrupt responds, it will immediately read the value of the GPIO port.
  • the processor does not judge who is triggered, but instead will interrupt all that is triggered at the moment.
  • the state of the infrared sensor is recorded and saved to a 14 ⁇ 14 two-dimensional array. By comparing the data of the array, it is possible to accurately determine whether the user's gesture change is the same as the preset data.
  • FIG. 4 is a flowchart of a specific application example of the electronic device according to the second embodiment of the present invention.
  • This example describes the application of the electronic device of the present invention by taking the smart phone unlocking and Bluetooth transmission as an example.
  • the interrupt response ie, the interrupt signal
  • the processor determines whether the task flag is greater than 14 according to the input. If less than 14, the processor starts to determine the interrupt priority, locks the interrupt request, responds to the interrupt, and applies.
  • Temporary memory reading the GPIO value (that is, acquiring the level state of the output of the plurality of infrared sensing units 20 and saving them as a set of level state data) and saving them to array[0][], and then starting reading from an address Take mobile_info (that is, read the preset data stored in mobile_info), determine whether the value is empty (that is, determine whether the read preset data is empty), if it is empty, prompt the user to set a preset switch gesture (ie The above-mentioned pre-stored 3--5 similar gesture changes), if not empty, compare the first row of data in each group in array[0][] (ie, the preset data and the read The first row of data of each group in the array[0][] of the GPIO value data is compared), and it is judged whether they are equal.
  • Take mobile_info that is, read the preset data stored in mobile_info
  • determine whether the value is empty that is, determine whether the read preset data is empty
  • the task flag bit is cleared, the interrupt flag bit is cleared, and then the gesture ends. The judgment is unsuccessful. If they are equal, the release is within Save the space, then +1 the task flag, and then clear the interrupt flag.
  • the task flag is greater than 14, determine whether the phone is unlocked. If yes, determine if the Bluetooth is successfully paired. If the Bluetooth pairing is not successful, remind the user to Bluetooth. Pairing, if the Bluetooth pairing is successful, the current file is sent via Bluetooth (ie, the Bluetooth sending command is described above), and then the task flag is cleared to zero. If the mobile phone is not unlocked, the unlocking process (ie, the execution of the unlocking instruction described above) is started, and then the task flag is cleared to zero.
  • the electronic device is used as the mobile phone and the Bluetooth transmission command or the unlocking command is executed after the gesture recognition succeeds.
  • the present invention is not limited thereto, and the electronic device of the present invention can also be a smart reading e-book and intelligent answering.
  • the functions of the telephone and the like can also be applied to the flipping function on the smart TV, the boot function and the like.
  • the invention realizes the non-contact gesture control with fewer components, and can determine the number and spacing of the infrared sensors according to the screen size of the electronic device such as a mobile phone, thereby achieving better gesture detection effect.
  • the present invention sets a plurality of infrared sensing units, and when a gesture passes through the infrared sensing unit, the level state of the output of the output of the infrared sensing unit changes, and the plurality of input ends of the logic circuit are respectively set and The output ends of the plurality of infrared sensing units are correspondingly connected, and when the level of the output of the infrared sensor unit changes, an interrupt signal is generated and output, and is respectively coupled to the output ends of the plurality of infrared sensing units through the processor, and the receiving interrupt is received.
  • the processor determines that the gesture recognition is successful and executes the corresponding instruction after receiving the predetermined number of interrupt signals, thereby enabling the user to more quickly manipulate the electronic device, thereby improving the user experience.

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Abstract

一种可通过非接触手势操控的电子设备，该电子设备包括：多个红外感应单元（10），在有手势经过红外感应单元时，红外感应单元的输出端输出的电平状态发生变化；逻辑电路（11），其多个输入端分别与多个红外感应单元的输出端对应连接，且用于在有红外感应器单元输出的电平发生变化时，产生中断信号并输出；处理器（12），分别与多个红外感应单元的输出端耦接，且处理器与逻辑电路的输出端连接，用于接收中断信号，且在每次接收到中断信号时，获取多个红外感应单元的输出端的电平状态并保存为一组电平状态数据。该电子设备可以提升用户体验。

Description

可通过非接触手势操控的电子设备 【技术领域】
本发明涉及电子设备领域，特别是涉及一种可通过非接触手势操控的电子设备。
【背景技术】
随着智能手机的普及以及智能家居概念的日渐成熟，用户对于智能设备的体验要求越来越高，尽可能减少或简化用户的操作程序，减少用户与智能设备的接触时间，让用户可以在不接触设备的情况下进行一些功能的操作，将是今后智能技术的发展方向。
以目前的智能手机为例，开机的时候需要按开机键点亮屏幕，再通过滑动或其他方式解锁；再如手机之间的文件共享，需要打开蓝牙或WIFI，再操作相关文件来选择传输方式。这些操作都比较复杂，给用户操作带来不便。
因此，需要提供一种可通过非接触手势操控的电子设备，以解决上述问题。
【发明内容】
本发明主要解决的技术问题是提供一种可通过非接触手势操控的电子设备，能够使用户更快捷的对电子设备进行操控，可以提升用户体验。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种可通过非接触手势操控的电子设备，电子设备包括：多个红外感应单元，在有手势经过红外感应单元时，红外感应单元的输出端输出的电平状态发生变化；逻辑电路，逻辑电路的多个输入端分别与多个红外感应单元的输出端对应连接，且用于在有红外感应器单元输出的电平发生变化时，产生中断信号并输出；处理器，处理器分别与多个红外感应单元的输出端耦接，且处理器与逻辑电路的输出端连接，处理器用于接收中断信号，且在每次接收到中断信号时，获取多个红外感应单元的输出端的电平状态并保存为一组电平状态数据，且将电平状态数据与 预设的数据比较，若一致则继续接收下一个中断信号，处理器在接收到预定数量的中断信号后判定手势识别成功并执行相应的指令；其中，逻辑电路包括与非门电路和多个或非门电路，每一红外传感单元的输出端均连接或非门电路的一个输入端，每一或非门电路的输出端均连接与非门电路的输入端，与非门电路的输出端作为逻辑电路的输出端；每一红外感应单元包括红外感应器和信号转换电路，红外感应器与信号转换电路连接，红外感应器在有手势经过时产生脉冲信号，信号转换电路用于将对应的红外感应器所产生的脉冲信号转换为高电平信号。
其中，每一或非门电路包括四个输入端，红外感应单元的数量为14个，或非门电路的数量为4个，与非门电路的数量为1个，未连接红外感应单元的或非门电路的输入端接地。
其中，红外感应器包括红外接收电路和红外发射电路，在有手势经过红外感应器时，红外发射电路发射的红外光被遮挡且被反射至红外接收电路，红外接收电路接收到反射的红外光时产生脉冲信号。
其中，信号转换电路为单稳态触发电路。
其中，电子设备进一步包括上拉电阻，红外感应单元的输出端还通过上拉电阻与参考电压连接。
其中，电子设备的显示屏尺寸为5寸，且红外感应单元设置在显示屏的两侧边缘，且每侧设置7个红外感应单元。
其中，处理器存储任务标志位，电平状态数据与预设的数据比较一致时任务标志位加1，任务标志位加至预定数值时，判定手势识别成功并执行相应的指令。
其中，相应的指令为解锁指令、蓝牙传输指令、翻页指令或者接电话指令。
为解决上述技术问题，本发明采用的另一个技术方案是：提供一种可通过非接触手势操控的电子设备，电子设备包括：多个红外感应单元，在有手势经过红外感应单元时，红外感应单元的输出端输出的电平状态发生变化；逻辑电 路，逻辑电路的多个输入端分别与多个红外感应单元的输出端对应连接，且用于在有红外感应器单元输出的电平发生变化时，产生中断信号并输出；处理器，处理器分别与多个红外感应单元的输出端耦接，且处理器与逻辑电路的输出端连接，处理器用于接收中断信号，且在每次接收到中断信号时，获取多个红外感应单元的输出端的电平状态并保存为一组电平状态数据，且将电平状态数据与预设的数据比较，若一致则继续接收下一个中断信号，处理器在接收到预定数量的中断信号后判定手势识别成功并执行相应的指令。
其中，逻辑电路包括与非门电路和多个或非门电路，每一红外传感单元的输出端均连接或非门电路的一个输入端，每一或非门电路的输出端均连接与非门电路的输入端，与非门电路的输出端作为逻辑电路的输出端。
其中，每一或非门电路包括四个输入端，红外感应单元的数量为14个，或非门电路的数量为4个，与非门电路的数量为1个，未连接红外感应单元的或非门电路的输入端接地。
其中，每一红外感应单元包括红外感应器和信号转换电路，红外感应器与信号转换电路连接，红外感应器在有手势经过时产生脉冲信号，信号转换电路用于将对应的红外感应器所产生的脉冲信号转换为高电平信号。
其中，红外感应器包括红外接收电路和红外发射电路，在有手势经过红外感应器时，红外发射电路发射的红外光被遮挡且被反射至红外接收电路，红外接收电路接收到反射的红外光时产生脉冲信号。
其中，信号转换电路为单稳态触发电路。
其中，电子设备进一步包括上拉电阻，红外感应单元的输出端还通过上拉电阻与参考电压连接。
其中，电子设备的显示屏尺寸为5寸，且红外感应单元设置在显示屏的两侧边缘，且每侧设置7个红外感应单元。
其中，处理器存储任务标志位，电平状态数据与预设的数据比较一致时任务标志位加1，任务标志位加至预定数值时，判定手势识别成功并执行相应的指 令。
其中，相应的指令为解锁指令、蓝牙传输指令、翻页指令或者接电话指令。
本发明的有益效果是：区别于现有技术的情况，本发明通过设置多个红外感应单元，在有手势经过红外感应单元时，红外感应单元的输出端输出的电平状态发生变化，且设置逻辑电路的多个输入端分别与多个红外感应单元的输出端对应连接，在有红外感应器单元输出的电平发生变化时，产生中断信号并输出，并通过处理器分别与多个红外感应单元的输出端耦接，接收中断信号，且在每次接收到中断信号时，获取多个红外感应单元的输出端的电平状态并保存为一组电平状态数据，将电平状态数据与预设的数据比较，若一致则继续接收下一个中断信号，处理器在接收到预定数量的中断信号后判定手势识别成功并执行相应的指令，从而能够使用户更快捷的对电子设备进行操控，可以提升用户体验。
【附图说明】
图1是本发明第一实施例的可通过非接触手势操控的电子设备的模块示意图；
图2是本发明第二实施例的可通过非接触手势操控的电子设备的模块示意图；
图3是本发明红外感应器在电子设备上安装位置示意图；
图4是本发明第二实施例的电子设备的一种具体应用实例的流程图。
【具体实施方式】
下面结合附图和实施例对本发明进行详细的说明。
请参阅图1，图1是本发明第一实施例的可通过非接触手势操控的电子设备的模块示意图。在本实施例中，电子设备包括多个红外感应单元10、逻辑电路11以及处理器12。
在有手势经过多个红外感应单元10中任意一个红外感应单元10时，这个红外感应单元10的输出端输出的电平状态发生变化。
逻辑电路11的多个输入端分别与多个红外感应单元10的输出端对应连接，且用于在有红外感应器单元10输出的电平发生变化时，产生中断信号并输出。
处理器12分别与多个红外感应单元10的输出端耦接，且处理器12与逻辑电路11的输出端连接，处理器12用于接收上述逻辑电路11产生的中断信号，且在每次接收到中断信号时，获取多个红外感应单元10的输出端的电平状态并保存为一组电平状态数据，且将电平状态数据与预设的数据比较，若一致则继续接收下一个中断信号，处理器12在接收到预定数量的中断信号后判定手势识别成功并执行相应的指令。
优选地，处理器12存储任务标志位，电平状态数据与预设的数据比较一致时任务标志位加1，任务标志位加至预定数值时，判定手势识别成功并执行相应的指令。
优选地，上述相应的指令为解锁指令、蓝牙传输指令、翻页指令或者接电话指令。
请参阅图2，图2是本发明第二实施例的可通过非接触手势操控的电子设备的模块示意图。在本实施例中，电子设备包括多个红外感应单元20、逻辑电路21以及处理器22。
在有手势经过多个红外感应单元20中任意一个红外感应单元20时，红外感应单元10的输出端输出的电平状态发生变化。
逻辑电路21的多个输入端分别与多个红外感应单元20的输出端对应连接，且用于在有红外感应器单元20输出的电平发生变化时，产生中断信号并输出。
处理器22分别与多个红外感应单元20的输出端耦接，且处理器22与逻辑电路21的输出端连接，处理器12用于接收上述逻辑电路21产生的中断信号，且在每次接收到中断信号时，获取多个红外感应单元20的输出端的电平状态并保存为一组电平状态数据，且将电平状态数据与预设的数据比较，若一致则继 续接收下一个中断信号，处理器22在接收到预定数量的中断信号后判定手势识别成功并执行相应的指令。
优选地，处理器22存储任务标志位，电平状态数据与预设的数据比较一致时任务标志位加1，任务标志位加至预定数值时，判定手势识别成功并执行相应的指令。
优选地，逻辑电路21包括与非门电路211和多个或非门电路212，每一红外传感单元20的输出端均连接或非门电路212的一个输入端，每一或非门电路212的输出端均连接与非门电路211的输入端，与非门电路211的输出端作为逻辑电路21的输出端。更为优选地，每一或非门电路212包括四个输入端，红外感应单元20的数量为14个，或非门电路212的数量为4个，与非门电路211的数量为1个，未连接红外感应单元20的或非门电路212的输入端接地。
优选地，每一红外感应单元20包括红外感应器201和信号转换电路202，红外感应器201与信号转换电路202连接，红外感应器201在有手势经过时产生脉冲信号，信号转换电路202用于将对应的红外感应器201所产生的脉冲信号转换为高电平信号。
优选地，信号转换电路202为单稳态触发电路202。
优选地，电子设备进一步包括上拉电阻r1～r14，红外感应单元20的输出端还通过上拉电阻r1～r14与参考电压V连接。图2中仅仅示出r1和r14，本领域技术人员可清楚理解的是，其他的上拉电阻r2、r3、r4...r13的连接关系与之类似，即第n组红外感应单元20的输出端通过rn与参考电压V连接，优选地，参考电压V的大小为3V。
优选地，处理器12分别与多个红外感应单元10的输出端(即信号转换电路202的输出端)通过电阻R1～R14耦接，图2中仅仅示出R1和R14，本领域技术人员可以清楚理解的是，其他的电阻R2、R3、R4...R13的连接关系与之类似，即第n组红外感应单元20的输出端通过Rn与处理器12的GPIO口GPIO_0n连接，例如第7组红外感应单元20的输出端通过R7与处理器12的GPIO_07 连接，其余据此类推。
优选地，逻辑电路21的输出端与处理器22的GPIO中断引脚连接，即与GPIO_INT引脚连接。
请一并参阅图3，图3是本发明红外感应器在电子设备上安装位置示意图。优选地，红外感应器201包括红外接收电路2011和红外发射电路2012，在有手势经过红外感应器201时，红外发射电路2012发射的红外光被遮挡且被反射至红外接收电路2011，红外接收电路2011接收到反射的红外光时产生脉冲信号。
优选地，电子设备的显示屏23尺寸为5寸，且红外感应单元20设置在显示屏23的两侧边缘，且每侧设置7个红外感应单元。例如，红外传感单元20中的红外感应器201可以设置在电子设备显示屏的边框表面上。
优选地，红外发射电路2012包括无稳态振荡器和红外发射管，红外接收电路2011包括红外接收管、整流滤波电路以及两个反相放大器。单稳态触发电路则由NE555和外围阻容感器件构成。目前已有的或非门集成IC中，最多集成了四个输入端，因此只能每四个红外感应单元20与一个或非门电路212的输出对应。可以理解的是，当科技发展到或非门集成IC可以集成更多的输入端时，则采用尽可能少的或非门电路212来实现。
在每一红外感应器201均没有任何遮挡(即没有手势经过)的情况下，不会输出脉冲信号，单稳态触发电路202总是输出低电平，即或非门电路212的四个输入端均为低电平，那么或非门电路212输出端则为高电平。当其中一个的红外感应器201遮挡，反射回去的光源被红外接收电路2011吸收放大，并输出一个脉冲信号，脉冲信号经过单稳态触发电路202转换成高电平，根据或非门电路212的逻辑关系，任意一个输入变成高电平后，将输出一个低电平。或非门电路212的逻辑图如下表一所示。
表一或非门电路的逻辑图
输入端1 输入端2 输入端3 输入端4 输出端
0 0 0 0 1
0 0 0 1 0
0 0 1 0 0
0 1 1 0 0
0 1 1 1 0
... ... ... ... ...
1 1 1 1 0
值得注意的是，在其他实施例中，根据红外感应器201的个数不同，或非门电路212的个数也不同。在本实施例中需要4个或非门电路212，4个或非门电路212的输出端与一个与非门电路211相连。在每一红外感应器201均没有任何遮挡的情况下，4个或非门电路均输出高电平，根据与非门电路211的逻辑关系，与非门电路211的输出端将是一个低电平。一旦有某个红外感应器201被触发(即被遮挡，也即有手势经过它)，4个或非门电路至少有一个的输出端将从高电平跳转到低电平，而与非门电路211的输出端将从低电平跳转到高电平，从而触发硬件中断，与非门电路211的输出端(即逻辑电路21的输出端)产生中断信号。
当中断被唤醒(即处理器22接收到中断信号)后，处理器22会立刻读取14个GPIO口(GPIO_01～GPIO_14)的电平状态(GPIO口指处理器22上的通用输入输出接口)以一组电平状态数据的形式保存到缓存中，并与手机预设的数据进行比较。如果相同则继续接收下一个中断响应(接收中断信号)，然后依次记录每一次中断响应后的GPIO电平状态，直到14个红外感应器都触发了中断。如果其中任何一次的比较结果不同，则停止中断响应，并提醒用户判断失败，结束程序，直到用户开始下一次手势判断。
理论上以电子设备为手机为例，手机的中断响应时间＝硬件中断个数×时钟周期，手机普遍使用32K的晶体，因此理论上手机中断响应时间＝中断个数×31微秒。内存的存取速度不仅有本身的工作频率决定，还要考虑CAS(列地址选 通脉冲，Column Address Strobe)的存取时间和延迟时间，但是考虑到目前的内存的标称都是纳秒级的读取速度，因此完全能够保证中断响应后的数据存储。
处理器22的GPIO口的读取速度理论上等于一个时钟周期，但是考虑到系统延时和各种进程的占用，无论是GPIO口读取速度还是中断响应速度，都不可能达到理论值。然而从实际的测试结果来看，目前的android系统和硬件环境完全能响应用户的手势变化速度，根据我们的实验统计，用户的手势正常情况下在一个5寸屏幕的手机上完成一个完整的变化动作时间大约在0.02S-0.05S之间。
用户在使用该功能之前，预存3--5个相似的手势变化，手机将这些手势变化过程中的GPIO电平数据(电平状态数据)保存到mobile_info分区中，即保存为预设的数据，每一组的数据结构由14×14的二维数组array[14][14]构成，二维数组的行用来记录中断响应后的GPIO状态，二维数组的列则表示有多少次中断响应。在以后用户使用该功能进行解锁，或者进行无线传输的时候，将获取的数据与保存在mobile_info中预设的数据依次进行对比，如果数据相同则将任务标志加1，当任务标志位等于14时，判定手势识别成功并执行相应的指令。相应的指令为解锁指令、蓝牙传输指令、翻页指令或者接电话指令。
本发明的功能可以通过手机设置进行开关操作，如果用户开启这个功能，默认情况下，当手机处于解锁状态后，即判定手势识别成功后，本方案中所有硬件电路上的电源开关将处于关闭状态。只有当用户打开蓝牙功能后，软件上通过配置GPIO控制硬件上的电源开关打开，如果用户关闭蓝牙功能，电源开关也会自动关闭，从而最大程度上减少功耗。
如图3所示，以本实施例中的红外感应器布局举例，如果用户的手从左下角开始以一种常规的方式扫描到右上角，那么，最先触发的红外感应器应该是第7组，当中断响应后会立刻读取GPIO端口的值，根据GPIO的高低电平，可以判断是哪一组红外感应器被触发，考虑到有可能用户同时触发两个或以上的红外感应器，处理器并不去判断谁被触发了，而是将中断被触发这一刻的所有 红外感应器状态记录下来，保存到一个14×14的二维数组中，通过对比数组的数据，就能准确地判断用户的手势变化是否跟预设的数据一样。
请进一步参阅图4，图4是本发明第二实施例的电子设备的一种具体应用实例的流程图。本实例以手机智能解锁和蓝牙传输为例描述本发明电子设备的应用。逻辑电路的逻辑电路输出端的中断响应(即中断信号)发出，处理器根据输入判断，任务标志位是否大于14，若小于14，则处理器开始判断中断优先级，锁定中断申请，响应中断，申请临时内存，读取GPIO值(即获取多个红外感应单元20的输出端的电平状态并保存为一组电平状态数据)并保存到array[0][]中，然后从某个地址开始读取mobile_info(即读取保存在mobile_info中预设的数据)，判断值是否为空(即判断读取的预设的数据是否为空)，若为空，则提醒用户设置预设开关手势(即上文所述的预存3--5个相似的手势变化)，若不为空，则将array[0][]中每组的第一行数据进行比较(即将预设的数据和读取的GPIO值数据二者的array[0][]中每组的第一行数据进行比较)，并判断是否相等，若不相等则将任务标志位清零，中断标志位清零，然后结束，手势判定不成功，若相等，则释放内存空间，随后将任务标志位+1，然后将中断标志位清零，在任务标志位大于14时，判断手机是否解锁，若是则判断蓝牙是否配对成功，若蓝牙配对不成功则提醒用户进行蓝牙配对，若蓝牙配对成功则将当前的文件通过蓝牙发送(即前文所述的执行蓝牙发送指令)，随后将任务标志位清零后结束。若手机没解锁，则启动解锁进程(即前文所述的执行解锁指令)，随后将任务标志位清零后结束。
以上仅以电子设备为手机且以手势识别成功后执行蓝牙传输指令或者解锁指令为例进行了说明，但是本发明却不仅仅局限于此，本发明电子设备还可以是智能阅读电子书、智能接听电话等等功能，同样还可以应用于智能电视上的翻阅功能，开机功能等等。本发明以更少的元件来实现了非接触手势操控，可以根据手机等电子设备的屏幕大小来决定红外感应器的个数和间距，从而达到更好的手势检测效果。
区别于现有技术，本发明通过设置多个红外感应单元，在有手势经过红外感应单元时，红外感应单元的输出端输出的电平状态发生变化，且设置逻辑电路的多个输入端分别与多个红外感应单元的输出端对应连接，在有红外感应器单元输出的电平发生变化时，产生中断信号并输出，并通过处理器分别与多个红外感应单元的输出端耦接，接收中断信号，且在每次接收到中断信号时，获取多个红外感应单元的输出端的电平状态并保存为一组电平状态数据，将电平状态数据与预设的数据比较，若一致则继续接收下一个中断信号，处理器在接收到预定数量的中断信号后判定手势识别成功并执行相应的指令，从而能够使用户更快捷的对电子设备进行操控，可以提升用户体验。
以上所述仅为本发明的实施方式，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (18)

  1. 一种可通过非接触手势操控的电子设备，其中，所述电子设备包括：
    多个红外感应单元，在有手势经过所述红外感应单元时，所述红外感应单元的输出端输出的电平状态发生变化；
    逻辑电路，所述逻辑电路的多个输入端分别与所述多个红外感应单元的输出端对应连接，且用于在有所述红外感应器单元输出的电平发生变化时，产生中断信号并输出；
    处理器，所述处理器分别与所述多个红外感应单元的输出端耦接，且所述处理器与所述逻辑电路的输出端连接，所述处理器用于接收所述中断信号，且在每次接收到所述中断信号时，获取所述多个红外感应单元的输出端的电平状态并保存为一组电平状态数据，且将所述电平状态数据与预设的数据比较，若一致则继续接收下一个所述中断信号，所述处理器在接收到预定数量的所述中断信号后判定手势识别成功并执行相应的指令；
    其中，所述逻辑电路包括与非门电路和多个或非门电路，每一所述红外传感单元的输出端均连接所述或非门电路的一个输入端，每一所述或非门电路的输出端均连接所述与非门电路的输入端，所述与非门电路的输出端作为所述逻辑电路的输出端；每一所述红外感应单元包括红外感应器和信号转换电路，所述红外感应器与所述信号转换电路连接，所述红外感应器在有手势经过时产生脉冲信号，所述信号转换电路用于将对应的所述红外感应器所产生的所述脉冲信号转换为高电平信号。
  2. 根据权利要求1所述的电子设备，其中，每一所述或非门电路包括四个输入端，所述红外感应单元的数量为14个，所述或非门电路的数量为4个，所述与非门电路的数量为1个，未连接所述红外感应单元的所述或非门电路的输入端接地。
  3. 根据权利要求1所述的电子设备，其中，所述红外感应器包括红外接收电路和红外发射电路，在有手势经过所述红外感应器时，所述红外发射电路发 射的红外光被遮挡且被反射至所述红外接收电路，所述红外接收电路接收到反射的所述红外光时产生所述脉冲信号。
  4. 根据权利要求1所述的电子设备，其中，所述信号转换电路为单稳态触发电路。
  5. 根据权利要求1所述的电子设备，其中，所述电子设备进一步包括上拉电阻，所述红外感应单元的输出端还通过所述上拉电阻与参考电压连接。
  6. 根据权利要求2所述的电子设备，其中，所述电子设备的显示屏尺寸为5寸，且所述红外感应单元设置在所述显示屏的两侧边缘，且每侧设置7个所述红外感应单元。
  7. 根据权利要求1所述的电子设备，其中，所述处理器存储任务标志位，所述电平状态数据与预设的数据比较一致时所述任务标志位加1，所述任务标志位加至预定数值时，判定手势识别成功并执行相应的指令。
  8. 根据权利要求1所述的电子设备，其中，所述相应的指令为解锁指令、蓝牙传输指令、翻页指令或者接电话指令。
  9. 一种可通过非接触手势操控的电子设备，其中，所述电子设备包括：
    多个红外感应单元，在有手势经过所述红外感应单元时，所述红外感应单元的输出端输出的电平状态发生变化；
    逻辑电路，所述逻辑电路的多个输入端分别与所述多个红外感应单元的输出端对应连接，且用于在有所述红外感应器单元输出的电平发生变化时，产生中断信号并输出；
    处理器，所述处理器分别与所述多个红外感应单元的输出端耦接，且所述处理器与所述逻辑电路的输出端连接，所述处理器用于接收所述中断信号，且在每次接收到所述中断信号时，获取所述多个红外感应单元的输出端的电平状态并保存为一组电平状态数据，且将所述电平状态数据与预设的数据比较，若一致则继续接收下一个所述中断信号，所述处理器在接收到预定数量的所述中断信号后判定手势识别成功并执行相应的指令。
  10. 根据权利要求9所述的电子设备，其中，所述逻辑电路包括与非门电路和多个或非门电路，每一所述红外传感单元的输出端均连接所述或非门电路的一个输入端，每一所述或非门电路的输出端均连接所述与非门电路的输入端，所述与非门电路的输出端作为所述逻辑电路的输出端。
  11. 根据权利要求10所述的电子设备，其中，每一所述或非门电路包括四个输入端，所述红外感应单元的数量为14个，所述或非门电路的数量为4个，所述与非门电路的数量为1个，未连接所述红外感应单元的所述或非门电路的输入端接地。
  12. 根据权利要求9所述的电子设备，其中，每一所述红外感应单元包括红外感应器和信号转换电路，所述红外感应器与所述信号转换电路连接，所述红外感应器在有手势经过时产生脉冲信号，所述信号转换电路用于将对应的所述红外感应器所产生的所述脉冲信号转换为高电平信号。
  13. 根据权利要求12所述的电子设备，其中，所述红外感应器包括红外接收电路和红外发射电路，在有手势经过所述红外感应器时，所述红外发射电路发射的红外光被遮挡且被反射至所述红外接收电路，所述红外接收电路接收到反射的所述红外光时产生所述脉冲信号。
  14. 根据权利要求12所述的电子设备，其中，所述信号转换电路为单稳态触发电路。
  15. 根据权利要求9所述的电子设备，其中，所述电子设备进一步包括上拉电阻，所述红外感应单元的输出端还通过所述上拉电阻与参考电压连接。
  16. 根据权利要求11所述的电子设备，其中，所述电子设备的显示屏尺寸为5寸，且所述红外感应单元设置在所述显示屏的两侧边缘，且每侧设置7个所述红外感应单元。
  17. 根据权利要求9所述的电子设备，其中，所述处理器存储任务标志位，所述电平状态数据与预设的数据比较一致时所述任务标志位加1，所述任务标志位加至预定数值时，判定手势识别成功并执行相应的指令。
  18. 根据权利要求9所述的电子设备，其中，所述相应的指令为解锁指令、蓝牙传输指令、翻页指令或者接电话指令。
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