WO2015070628A1 - 终端的信息发送、接收方法及装置、终端 - Google Patents

终端的信息发送、接收方法及装置、终端 Download PDF

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Publication number
WO2015070628A1
WO2015070628A1 PCT/CN2014/082092 CN2014082092W WO2015070628A1 WO 2015070628 A1 WO2015070628 A1 WO 2015070628A1 CN 2014082092 W CN2014082092 W CN 2014082092W WO 2015070628 A1 WO2015070628 A1 WO 2015070628A1
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WO
WIPO (PCT)
Prior art keywords
terminal
optical signal
information
signal
module
Prior art date
Application number
PCT/CN2014/082092
Other languages
English (en)
French (fr)
Inventor
卢清
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to US15/036,516 priority Critical patent/US20160294469A1/en
Priority to EP14862333.3A priority patent/EP3073651A4/en
Publication of WO2015070628A1 publication Critical patent/WO2015070628A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114Indoor or close-range type systems
    • H04B10/116Visible light communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50Transmitters
    • H04B10/516Details of coding or modulation

Definitions

  • the present invention relates to the field of communications, and in particular to a method and device for transmitting and receiving information of a terminal, and a terminal.
  • Bluetooth Wireless Fidelity
  • the Bluetooth 3.0 protocol is nominally 24 Mbps, and the actual measured value is only 300 KB. For WiFi technology.
  • the WiFi technology is used to communicate between terminals. The specific steps are as follows: First, the handheld terminal 1 establishes a WiFi hotspot function, and the handheld terminal 2 accesses the handheld terminal 1 via WiFi to establish a WiFi hotspot. Next, the handheld terminal 1 establishes a File Transfer Protocol (FTP) through an application, and the handheld terminal 1 shares the information to be transmitted to the handheld terminal 2 via FTP. Finally, the handheld terminal 2 downloads the required information by accessing the FTP. It can be seen that the information transmission between the handheld terminals is performed by the WiFi technology.
  • FTP File Transfer Protocol
  • the embodiments of the present invention provide a method and device for transmitting and receiving information of a terminal, and a terminal, to solve at least The above question.
  • a method for transmitting information of a terminal wherein the terminal includes: a flash module, and the method includes: converting, by the flash module, information to be transmitted into an optical signal;
  • the receiving side terminal transmits the above optical signal.
  • the method before transmitting the optical signal to the receiving side terminal, the method includes: adjusting a power supply voltage of the terminal to a driving voltage required by the flash module to transmit the optical signal.
  • converting the information to be transmitted into the optical signal by using the flash module comprises: converting the information to be transmitted into a modulated signal; modulating the optical signal according to the modulated signal, and using the modulated optical signal as a final transmission.
  • the method further includes: performing an operation of lowering the temperature value when detecting that a temperature value of the light emitting unit that transmits the optical signal in the flash module exceeds a preset threshold.
  • a method for receiving information of a terminal wherein the terminal includes: a light sensor module, including: receiving, by the light sensor module, a transmitting side terminal through a flash An optical signal sent by the module, wherein the optical signal carries information to be transmitted; the optical signal is converted into an electrical signal and parsed.
  • an information transmitting apparatus for a terminal includes: a flash module, wherein the device includes: a converting module, configured to pass the flash module The information to be transmitted is converted into an optical signal; and the transmitting module is configured to transmit the optical signal to the receiving terminal.
  • an information receiving apparatus for a terminal includes: a light sensor module, wherein: the receiving module is configured to pass the light sensor The module receives the optical signal sent by the transmitting terminal through the flash module, wherein the optical signal carries the information to be sent; and the conversion module is configured to convert the optical signal into an electrical signal and parse the signal.
  • a terminal including: a central processing unit and a flash module configured to perform a fill light operation on a photograph, wherein the central processing unit and the flash module are The coupling connection is configured to send an electrical signal for indicating information to be sent to the flash module; the flash module is configured to convert the electrical signal into an optical signal and transmit the signal to the receiving terminal.
  • the flash module includes: a flash driving unit configured to adjust a power supply voltage from the terminal power source to a driving voltage required by the light emitting unit; and a signal converting unit configured to convert the information to be transmitted into the light emitting unit a modulation signal; a light emitting unit, configured to input an optical signal according to the above modulated signal Line modulation, wherein the modulated optical signal carries the information to be transmitted; the logic control unit is configured to receive an operation command from the central processing unit and transmit the signal conversion unit and the light emitting unit corresponding to the operation command Control operation.
  • the light emitting unit is further configured to send an interrupt instruction to the logic control unit when detecting the temperature value of the light emitting unit in the flash module; the logic control unit is further configured to adopt according to the interrupt instruction Measures to lower the above temperature values.
  • a terminal including: a central processing unit and a light sensor module, wherein the light sensor module is configured to receive a transmitting side terminal and send the light through the flash module. And converting the optical signal to an electrical signal, and transmitting the electrical signal to the central processing unit, wherein the optical signal carries information to be transmitted; and the central processing unit is configured to receive the electrical signal.
  • the photosensor module includes: an optical sensor configured to receive the optical signal and convert the optical signal into the electrical signal, and send the electrical signal to a logic control unit; the logic control unit is configured to The electrical signal is sent to the central processing unit described above.
  • a terminal further includes: a central processing unit, a flash module and a light sensor module configured to perform a light filling operation on the photographing, wherein the central processing unit is configured to Sending an electrical signal for indicating the information to be sent to the flash module; the flash module is configured to convert the information to be transmitted into an optical signal and send the signal to the receiving terminal; the light sensor module is configured to receive from the transmitting side The optical signal of the terminal, after converting the received optical signal into an electrical signal, transmits the electrical signal to the central processing unit, wherein the received optical signal carries information to be transmitted.
  • the terminal further includes: a signal switching switch configured to receive a control command of the central processing unit, and control the flash module and the optical sensor module to be connected to the central processing unit in a time division multiplexing manner according to the control command.
  • the flash module of the terminal is used to convert the information to be transmitted into an optical signal or the optical sensor module receives the optical signal carrying the information to be transmitted, thereby solving the existing transmission method between the terminals in the related art.
  • the problems of low rate and poor usability improve the information transmission efficiency between terminals, and at the same time, the operation is simple and the usability is enhanced.
  • FIG. 1 is a block diagram showing the structure of a terminal according to Embodiment 1 of the present invention
  • FIG. 2 is a block diagram showing another structure of a terminal according to Embodiment 1 of the present invention
  • FIG. 3 is a block diagram of a flash module according to a preferred embodiment of the present invention.
  • FIG. 4 is a block diagram of a method for transmitting information of a terminal according to Embodiment 1 of the present invention
  • FIG. 5 is a block diagram showing a structure of an information transmitting apparatus for a terminal according to Embodiment 1 of the present invention
  • FIG. 7 is a block diagram showing another structure of a terminal according to a second embodiment of the present invention
  • FIG. 8 is a schematic structural view of a photosensor module according to a preferred embodiment of the present invention
  • Figure 10 is a block diagram showing the structure of an information receiving apparatus of a terminal according to Embodiment 2 of the present invention
  • Figure 11 is a block diagram showing the structure of a terminal according to Embodiment 3 of the present invention
  • Figure 12 is a block diagram of a terminal according to the present invention
  • FIG. 13 is a block diagram showing still another structure of the terminal according to a preferred embodiment of the present invention.
  • Example 1 This embodiment will be described from the perspective of transmission of information.
  • 1 is a block diagram showing the structure of a terminal according to Embodiment 1 of the present invention. As shown in FIG.
  • the terminal includes: a central processing unit 10 and a flash module 12 configured to perform a fill operation on a photograph, wherein the central processing unit 10 is coupled to the flash module 12 for setting to indicate that it is to be sent The electrical signal of the information is sent to the flash module 12; the flash module 12 is further configured to convert the information to be transmitted into an optical signal and transmit it to the receiving side.
  • the flash module 12 may include, but is not limited to, the following processing unit: a flash driving unit 120 configured to adjust a power supply voltage from the terminal power source to a driving voltage required by the light emitting unit 124;
  • the signal conversion unit 122 is configured to convert the information to be transmitted into a modulation signal of the light emitting unit 124.
  • the light emitting unit 124 is configured to modulate the optical signal according to the modulation signal, wherein the modulated optical signal carries the above-mentioned Transmitting information;
  • the logic control unit 126 is configured to receive an operation command from the central processing unit 10 and transmit a control operation corresponding to the above operation command to the signal conversion unit 122 and the light emitting unit 124.
  • the logic control unit 126 can be a Programmable Logic Controller (PLC).
  • PLC Programmable Logic Controller
  • the light emitting unit 124 is further configured to send an interrupt instruction to the logic control unit 126 when the temperature value exceeds the preset threshold; the logic control unit 126 is further configured to take a lowering according to the interrupt command. Measures for the above temperature values.
  • the following is described in detail in connection with a preferred embodiment. 3 is a schematic structural view of a flash module in accordance with a preferred embodiment of the present invention. As shown in FIG.
  • the flash module includes: a flash driving unit 120, a light emitting unit 124, a high speed signal converting unit 1220, a transmitting signal generating unit 1222, a logic control unit 126, and a Pulse Width Modulation (PWM). Unit 128.
  • the high-speed signal conversion unit 1220 and the transmission signal generation unit 1222 can be regarded as two sub-units of the signal conversion unit 122, that is, the signal conversion unit 122 includes: a high-speed signal conversion unit 1220 and a transmission signal generation unit 1222.
  • the flash driving unit 120 boosts the power supply from the terminal power source to the driving voltage required by the light emitting unit 124 through the internal boosting chip.
  • the voltage of the terminal power supply is generally fluctuating (generally For batteries, but not limited to batteries).
  • the flash driving unit 120 monitors the input voltage at the input terminal and performs low voltage locking.
  • an overvoltage protection and an overcurrent protection function are provided to protect the light emitting element (Light-Emitting Diode (LED)) of the light emitting unit 124 from damage.
  • the high-speed signal conversion unit 1220 transmits a high-speed signal (usually a Secure Digital Input and Output Card (SDIO) interface) and a Mobile Industry Processor Interface (MIPI). ) Parallel signals, but not limited to the above two signals) are converted into serial signals.
  • the transmission signal generator 1222 modulates, equalizes, and level-converts the serial signal output from the high-speed signal conversion unit 1220 to be suitable as a modulation signal of the light-emitting unit 124.
  • the PWM unit 128 is controlled by logic control unit 126.
  • the logic control unit 126 can write the corresponding status value to the status register of the PWM unit 128 that has met the flashing of the flash. Or the demand for constant light.
  • the light emitting unit 124 is a transmitter that converts an electrical signal into an optical signal and transmits it. It requires the flash drive unit 120 to provide a suitable drive voltage such that the LED as the illumination source emits a source of sufficient light intensity. At the same time, since the light emitting unit 124 has the characteristics of large heat generation, the light emitting unit 124 has a thermistor.
  • Logic control unit 126 is the control core for the entire improved flash module. Through the control bus, it processes the operational commands from the central processing unit 10 and reports various interrupt information to the central processing unit 10 in a timely manner.
  • the logic control unit 126 transmits a signal generating unit 1222 to the high speed signal converting unit 1220 according to an operation instruction of the central processing unit 10, and the PWM unit 128 issues various related control operations.
  • the logic control unit 126 also receives an interruption of the overheat alarm or the like of the light emitting unit 124.
  • the embodiment further provides a method for transmitting information of the terminal.
  • the method includes: Step S402: Converting a to-be-transmitted information into an optical signal by using a flash module; the specific implementation process of the step may be expressed as the following implementation form, but is not limited thereto: converting the to-be-sent information into Modulating a signal (for example, converting an electrical signal for indicating information to be transmitted into a modulated signal); modulating the optical signal according to the modulated signal, and using the modulated optical signal as a final transmitted optical signal, wherein the modulated light
  • the signal carries the above information to be sent.
  • Step S404 the optical signal is sent to the receiving side terminal.
  • the method may further include the following processing steps: When it is detected that the temperature value of the light emitting unit that transmits the optical signal in the flash module exceeds a preset threshold, an operation of lowering the temperature value is performed.
  • a device for transmitting information of a terminal is further provided. As shown in FIG. 5, the device includes: a conversion module 50 configured to convert information to be transmitted into an optical signal through a flash module; and a sending module 52, Connected to the conversion module 50, configured to transmit the above optical signal to the receiving side terminal.
  • FIG. 6 is a structural block diagram of a terminal according to Embodiment 2 of the present invention.
  • the terminal includes: a central processing unit 60 and a photo sensor module 62.
  • the light sensor module 62 is configured to receive an optical signal sent by the transmitting terminal through the flash module, and after converting the optical signal into an electrical signal, send the electrical signal to the central processing unit 62, where the optical signal carries Information to be transmitted; central processing unit 60, configured to receive the electrical signals.
  • FIG. 6 is a structural block diagram of a terminal according to Embodiment 2 of the present invention.
  • the terminal includes: a central processing unit 60 and a photo sensor module 62.
  • the light sensor module 62 is configured to receive an optical signal sent by the transmitting terminal through the flash module, and after converting the optical signal into an electrical signal, send the electrical signal to the central processing unit 62, where the optical signal carries Information to be transmitted; central processing unit 60, configured to receive the electrical signals.
  • the photosensor module 62 includes, but is not limited to, the following processing unit: a photo sensor 620 configured to receive the optical signal and convert the optical signal into the electrical signal, and to The signal is sent to the logic control unit 622; the logic control unit 622 is arranged to transmit the electrical signal to the central processing unit 60.
  • a photo sensor 620 configured to receive the optical signal and convert the optical signal into the electrical signal, and to The signal is sent to the logic control unit 622; the logic control unit 622 is arranged to transmit the electrical signal to the central processing unit 60.
  • FIG. 8 is a schematic structural view of a photosensor module in accordance with a preferred embodiment of the present invention. As shown in FIG.
  • the photo sensor module includes the following processing units: a photo sensor 6200, a pre-current operational amplifier 624, and a main operational amplifier 626, an electrical signal decision shaping unit 628, a high-speed signal conversion unit 630, and an integrator 6202. Logic control unit 622.
  • the light sensor 6200 and the integrator 6202 can be considered as sub-modules of the light sensor 620, that is, the light sensor 620 includes: a light sensor 6200 and an integrator 6202.
  • the light sensor 6200 converts the light pulse signal transmitted from the flash module into a weak current signal. It is sent to the pre-current operational amplifier 624 and the integrator 626, respectively.
  • the pre-current operational amplifier 624 performs low-noise amplification on the received weak current signal, and sends the output signal to the main operational amplifier 626 with automatic gain control for secondary amplification to meet the requirements of the subsequent circuit for signal decision.
  • the electrical signal decision shaping unit 628 performs equalization filtering on the noise-containing, amplitude-distorted electrical signal output by the pre-current operational amplifier 624, and shapes the decision.
  • the high-speed signal conversion unit 630 performs serial-to-parallel conversion on the clean electrical signal output by the electrical signal decision shaping unit 628 to adapt to the transmission requirements of the high-speed interconnect bus outside the chip.
  • the integrator 6202 and the light sensor 6200 form the function of a general light sensor, calculate the brightness of the current ambient light, and upload the brightness information to the logic control unit 622.
  • the logic control unit 622 is the control core of the entire improved photosensor module. It operates on the registers of other units in the improved photosensor module, intervenes in the work processes of other units, and enables the entire unit to work in unison. At the same time, the logic control unit 622 reports the current working information, the interrupt operation, and the like of the entire improved photosensor module to the central processing unit 60 through the control bus.
  • the embodiment further provides a method for receiving information of the terminal. As shown in FIG.
  • the method includes: Step S902, receiving, by the light sensor module, an optical signal sent by the transmitting terminal through the flash module, where the optical signal carries information to be sent; and step S904, converting the optical signal into The electrical signal is analyzed and the above optical signal is analyzed.
  • an information receiving device of the terminal is further provided.
  • the receiving module 100 is configured to receive, by the light sensor module, an optical signal sent by the transmitting terminal through the flash module, where the light is The signal carries the information to be sent;
  • the conversion module 102 is connected to the receiving module 100, and is configured to convert the optical signal into an electrical signal and parse the signal.
  • FIG. 11 is a block diagram showing the structure of a terminal according to Embodiment 3 of the present invention. As shown in FIG.
  • the terminal includes: a central processing unit 110, a flash module 112 and a light sensor module 114 configured to perform a light filling operation on the photographing, wherein the central processing unit 110 is configured to send the information to be sent to the flash module. 112; flash module 112, also set to The information to be transmitted is converted into an optical signal and sent to the receiving side terminal.
  • the light sensor module 114 is configured to receive the optical signal from the transmitting side terminal and send the electrical signal to the above after converting the received optical signal into an electrical signal.
  • the central processing unit wherein the received optical signal carries information to be transmitted.
  • the central processing unit 110 can be regarded as a combination of the central processing unit 10 in Embodiment 1 and the central processing unit 60 in Embodiment 2.
  • the flash module 112 is equivalent to the flash module 12 in Embodiment 1, and the light is
  • the sensor module 114 is equivalent to the photo sensor module 62 in the second embodiment.
  • the terminal may further include: a signal switching switch 116 configured to receive a control instruction of the central processing unit 110, and the flash module 112 and the light are controlled according to the control instruction.
  • the sensor module 114 is coupled to the central processing unit 110 in a time division multiplexed manner.
  • FIG. 13 is a block diagram showing still another structure of a terminal according to a preferred embodiment of the present invention. As shown in FIG.
  • the terminal includes a central processing unit 110, a flash module 112, a high speed signal transceiver 116 (ie, a signal changeover switch 116), a light sensor module 114, and a power module 118.
  • a terminal power source (such as a battery, etc.) is input to the power module 118, which provides the required power rails for other modules through its internal boost and buck circuits.
  • the central processing unit 110 sends an internal logic register to the flash module 112, the high speed signal transceiver 116, and the light sensor module 114 through a control bus (eg, I2C, Universal Asynchronous Receiver Transmitter (UART), etc.). (ie logic control unit) Issue register operation instructions to guide each module to complete the corresponding action.
  • a control bus eg, I2C, Universal Asynchronous Receiver Transmitter (UART), etc.
  • the flash module 112 and the light sensor module 114 can report the current working state, interrupt the operation and other related information through the control bus.
  • the high speed signal transceiver 116 acts here as a signal switching switch. Under the control of the central processing unit 110, the high speed signal transceiver 116 connects the central processor unit 110 to the high speed interconnect bus of the flash module 112 and the light sensor module 114, respectively, to perform time division multiplexing of the received and transmitted signals.
  • the flash module 112 in addition to the functions of the ordinary flash unit, converts the high-speed signal transmitted from the central processing unit 110 through the high-speed interconnect bus to the modulated signal suitable as the light-emitting unit under the control of the central processing unit 110.
  • the modulated signal modulates the light pulse of the light emitting unit such that the emitted light signal carries the information that needs to be transmitted.
  • the light sensor module 114 not only has the function of the ordinary light sense, but also can send the corresponding information frame to the central processing unit through the control bus after receiving the optical signal sent by the modified flash module 112. 110.
  • the central processing unit 110 determines whether to continue receiving subsequent information. If receiving is required, the improved photosensor module 114 is notified via the control bus and causes the high speed signal transceiver 116 to switch the connection of the high speed interconnect bus.
  • the central processing unit 110 receives the corresponding communication information.
  • the communication mode between terminals provided in this embodiment can implement file transfer and information interaction between the terminal and the terminal, especially large-volume and large-capacity file transmission; Easy to operate, it only needs to be operated like a terminal camera; it has a higher transmission rate than Bluetooth technology; compared with WIFI technology, it has a simple operation process, which increases the usability; Good integration: Using the flash lamp commonly used in handheld terminals as a transmission source, it only needs to increase the relevant modulation circuit. At the same time, it also improves the light sensor commonly used in handheld terminals to receive high-speed optical signals; no electromagnetic radiation.
  • optical signals are not susceptible to interference from electrical signals.
  • the above technical solution provided by the embodiment of the present invention solves the related art by using a flash module in a terminal to convert information to be transmitted into an optical signal or a technical means for receiving an optical signal carrying information to be transmitted through a light sensor module.
  • the existing inter-terminal communication methods have problems such as low transmission rate and poor usability, and the information transmission efficiency between terminals is improved, and the operation is simple and the usability is enhanced.

Abstract

本发明提供了一种终端的信息发送、接收方法及装置、终端。其中,该发送方法包括:通过所述闪光灯模块将待发送信息转换为光信号;向接收侧终端发送所述光信号。采用本发明提供的上述技术方案,解决了相关技术中现有的终端间通信方式存在传输速率低,易用性较差等问题,提高了终端间的信息传输效率,同时操作简单,也增强了易用性。

Description

终端的信息发送、 接收方法及装置、 终端 技术领域 本发明涉及通信领域, 具体而言, 涉及一种终端的信息发送、 接收方法及装置、 终端。 背景技术 当前用于近距离手持终端之间的通讯方式, 无外乎蓝牙以及无线保真 (Wireless Fidelity, 简称为 WiFi) 技术。 就蓝牙技术而言, 要想在两个终端之间通讯。 首先, 要 打开手持终端各自的蓝牙模块开关,其次是搜索蓝牙设备,再者就是与相关设备配对。 最后, 选择需要发送的信息通过蓝牙发送给需要的人。 以上处理过程耗时太长, 且蓝 牙的传输速率不高。 目前蓝牙 3.0协议标称为 24Mbps, 而实际测量值仅有 300KB。 对于 WiFi技术而言。 在手持终端之间通过 WiFi互传信息也很复杂。 这不仅对手 持终端的硬件和软件均有较高的要求, 而且需要具备一定专业知识的用户才能操作, 易用性较差。 利用 WiFi技术进行终端之间的通讯,具体步骤如下: 首先,手持终端 1建立 WiFi 热点功能, 手持终端 2通过 WiFi接入手持终端 1建立 WiFi热点。 其次, 手持终端 1 通过应用程序建立文件传输协议(File Transfer Protocol, 简称为 FTP), 手持终端 1将 要传递给手持终端 2的信息通过 FTP进行共享。最后, 手持终端 2通过访问 FTP下载 所需信息。 由此可见,通过 WiFi技术来进行手持终端间的信息传输。虽然可以提供较高的传 输速率, 但是需要一定的硬件和软件的支持, 并且需要用户具有一定的网络知识。 对 于普通用户而言, 易用性不及蓝牙技术。 针对相关技术中的上述问题, 目前尚未提出有效的解决方案。 发明内容 针对相关技术中, 现有的终端间通信方式存在传输速率低, 易用性较差等问题, 本发明实施例提供了一种终端的信息发送、 接收方法及装置、 终端, 以至少解决上述 问题。 为了达到上述目的,根据本发明的一个实施例,提供了一种终端的信息发送方法, 其中, 上述终端包括: 闪光灯模块, 上述方法包括: 通过上述闪光灯模块将待发送信 息转换为光信号; 向接收侧终端发送上述光信号。 优选地, 向接收侧终端发送上述光信号之前, 包括: 将上述终端的供电电压调整 为上述闪光灯模块发送上述光信号所需的驱动电压。 优选地, 通过上述闪光灯模块将待发送信息转换为光信号, 包括: 将上述待发送 信息转换为调制信号; 根据上述调制信号对上述光信号进行调制, 将调制后的上述光 信号作为最终发送的光信号, 其中, 调制后的上述光信号携带有上述待发送信息。 优选地, 上述方法还包括: 在检测到所述闪光灯模块中发送上述光信号的光发射 单元的温度值超过预设阈值时, 执行降低上述温度值的操作。 为了达到上述目的, 根据本发明的再一个实施例, 还提供了一种终端的信息接收 方法, 其中, 上述终端包括: 光感器模块, 包括: 通过上述光感器模块接收发送侧终 端通过闪光灯模块发送的光信号, 其中, 上述光信号中携带有待发送信息; 将上述光 信号转换为电信号并解析。 为了达到上述目的, 根据本发明的另一个实施例, 还提供了一种终端的信息发送 装置, 其中, 上述终端包括: 闪光灯模块, 其中, 上述装置包括: 转换模块, 设置为 通过上述闪光灯模块将待发送信息转换为光信号; 发送模块, 设置为向接收侧终端发 送上述光信号。 为了达到上述目的, 根据本发明的又一个实施例, 还提供了一种终端的信息接收 装置, 其中, 上述终端包括: 光感器模块, 其中, 包括: 接收模块, 设置为通过上述 光感器模块接收发送侧终端通过闪光灯模块发送的光信号, 其中, 上述光信号中携带 有待发送信息; 转换模块, 设置为将上述光信号转换为电信号并解析。 为了达到上述目的, 根据本发明的又一个实施例, 还提供了一种终端, 包括: 中 央处理单元和设置为对拍照进行补光操作的闪光灯模块, 其中, 上述中央处理单元, 与上述闪光灯模块耦合连接, 设置为将用于指示待发送信息的电信号发送给上述闪光 灯模块; 上述闪光灯模块, 设置为将上述电信号转换为光信号并发送给接收侧终端。 优选地, 上述闪光灯模块包括: 闪光灯驱动单元, 设置为将来自终端电源的供电 电压调整为光发射单元所需的驱动电压; 信号转换单元, 设置为将上述待发送信息转 换为上述光发射单元的调制信号; 光发射单元, 设置为根据上述调制信号对光信号进 行调制, 其中, 调制后的上述光信号携带有上述待发送信息; 逻辑控制单元, 设置为 接收来自上述中央处理单元的操作指令并对上述信号转换单元和上述光发射单元发送 与上述操作指令对应的控制操作。 优选地, 上述光发射单元, 还设置为在检测到上述光发射单元的温度值所述闪光 灯模块中时, 向上述逻辑控制单元发送中断指令; 上述逻辑控制单元, 还设置为根据 上述中断指令采取降低上述温度值的措施。 为了达到上述目的, 根据本发明的又一个实施例, 还提供了一种终端, 包括: 中 央处理单元和光感器模块, 其中, 上述光感器模块, 设置为接收发送侧终端通过闪光 灯模块发送的光信号并在将上述光信号转换为电信号后, 将上述电信号发送给上述中 央处理单元, 其中, 上述光信号携带有待发送信息; 上述中央处理单元, 设置为接收 上述电信号。 优选地, 上述光感器模块包括: 光传感器, 设置为接收上述光信号并将上述光信 号转换为上述电信号, 并将上述电信号发送给逻辑控制单元; 上述逻辑控制单元, 设 置为将上述电信号发送给上述中央处理单元。 为了达到上述目的, 根据本发明的又一个实施例, 还提供了一种终端, 包括: 中 央处理单元、 设置为对拍照进行补光操作的闪光灯模块和光感器模块, 上述中央处理 单元, 设置为将用于指示待发送信息的电信号发送给上述闪光灯模块; 上述闪光灯模 块, 设置为将上述待发送信息转换为光信号并发送给接收侧终端; 上述光感器模块, 设置为接收来自发送侧终端的光信号并在将接收的上述光信号转换为电信号后, 将上 述电信号发送给上述中央处理单元, 其中, 接收的上述光信号携带有待发送信息。 优选地, 上述终端还包括: 信号切换开关, 设置为接收上述中央处理单元的控制 指令, 根据上述控制指令控制上述闪光灯模块和上述光传感器模块以时分复用的方式 与上述中央处理单元进行连接。 通过本发明, 采用终端中的闪光灯模块将待发送信息转换为光信号或者通过光感 器模块接收携带有待发送信息的光信号的技术手段, 解决了相关技术中现有的终端间 通信方式存在传输速率低, 易用性较差等问题, 提高了终端间的信息传输效率, 同时 操作简单, 也增强了易用性。 附图说明 此处所说明的附图用来提供对本发明的进一步理解, 构成本申请的一部分, 本发 明的示意性实施例及其说明用于解释本发明, 并不构成对本发明的不当限定。 在附图 中: 图 1为根据本发明实施例 1的终端的结构框图; 图 2为根据本发明实施例 1的终端的另一结构框图; 图 3为根据本发明优选实施例的闪光灯模块的结构示意图; 图 4为根据本发明实施例 1的终端的信息发送方法的流程图; 图 5为根据本发明实施例 1的终端的信息发送装置的结构框图; 图 6为根据本发明实施例 2的终端的结构框图; 图 7为根据本发明实施例 2的终端的另一结构框图; 图 8为根据本发明优选实施例的光感器模块的结构示意图; 图 9为根据本发明实施例 2的终端的信息接收方法的流程图; 图 10为根据本发明实施例 2的终端的信息接收装置的结构框图; 图 11为根据本发明实施例 3的终端的结构框图; 图 12为根据本发明实施例 3的终端的另一结构框图; 图 13为根据本发明优选实施例的终端的又一结构框图。 具体实施方式 下文中将参考附图并结合实施例来详细说明本发明。 需要说明的是, 在不冲突的 情况下, 本申请中的实施例及实施例中的特征可以相互组合。 以下实施例可以应用到手持终端中, 例如应用到平板电脑中, 也可以应用到目前 采用了闪光灯的移动终端中, 并且并不限于此。 实施例 1 本实施例从信息的发送角度进行说明。 图 1为根据本发明实施例 1的终端的结构 框图。如图 1所示, 该终端包括: 中央处理单元 10和设置为对拍照进行补光操作的闪 光灯模块 12, 其中, 中央处理单元 10, 与闪光灯模块 12耦合连接, 用于将设置为指 示待发送信息的电信号发送给闪光灯模块 12; 闪光灯模块 12,还设置为将上述待发送 信息转换为光信号并发送给接收侧。 通过上述方案, 由于可以通过终端中已经设置的闪光灯模块利用光信号传输待发 送信息, 因此, 可以实现信息的高速传输, 同时操作简单, 易用性高。 在本实施例中, 如图 2所示, 闪光灯模块 12可以包括但不限于以下处理单元: 闪光灯驱动单元 120, 设置为将来自终端电源的供电电压调整为光发射单元 124 所需的驱动电压; 信号转换单元 122, 设置为将上述待发送信息转换为光发射单元 124的调制信号; 光发射单元 124, 设置为根据上述调制信号对光信号进行调制, 其中, 调制后的 光信号携带有上述待发送信息; 逻辑控制单元 126, 设置为接收来自中央处理单元 10的操作指令并对信号转换单 元 122和光发射单元 124发送与上述操作指令对应的控制操作。 逻辑控制单元 126可 以为可编程序逻辑控制器 (Programmable Logic Controller, 简称为 PLC)。 为了保证终端间通信的正常进行, 光发射单元 124, 还设置为在其温度值超过预 设阈值时, 向逻辑控制单元 126发送中断指令; 逻辑控制单元 126, 还设置为根据上 述中断指令采取降低上述温度值的措施。 为了更好地了解对闪光灯模块 12的改进, 以下结合一个优选实施例详细说明。 图 3为根据本发明优选实施例的闪光灯模块的结构示意图。 如图 3所示, 该闪光 灯模块包括: 闪光灯驱动单元 120、 光发射单元 124、 高速信号转换单元 1220, 发送 信号生成单元 1222, 逻辑控制单元 126和脉冲宽度调制 (Pulse Width Modulation, 简称为 PWM) 单元 128。 其中, 高速信号转换单元 1220和发送信号生成单元 1222 可以认为是信号转换单元 122的两个子单元, 即信号转换单元 122包括: 高速信号转 换单元 1220和发送信号生成单元 1222。 闪光灯驱动单元 120, 将来自终端电源的供电通过内部升压芯片升压至光发射单 元 124所需的驱动电压。 由于使用场景的不同, 终端电源的电压一般是波动的 (一般 为电池, 但不限于电池)。 为了防止终端电源的电压波动, 闪光灯驱动单元 120在输 入端对输入电压监视功能, 并进行低电压锁定。 在闪光灯驱动单元 120的输出端, 设 置有过压保护, 过流保护功能, 从而保护光发射单元 124 的发光元件 (发光二极管 ( Light-Emitting Diode, 简称为 LED)) 不受损坏。 高速信号转换单元 1220, 将中央处理单元 10发送的高速信号 (一般为安全数字 输入输出 (Secure Digital Input and Output card, 简称为 SDIO) 接口, 移动产业处 理器接口 (Mobile Industry Processor Interface, 简称为 MIPI ) 等并行信号, 但不限 于以上两种信号)转换成串行信号。 发送信号生成器 1222将高速信号转换单元 1220 输出的串行信号进行调制, 均衡滤波, 电平转换, 以适合作为光发射单元 124的调制 信号。
PWM单元 128受逻辑控制单元 126的控制。 当手持终端需要闪光灯闪烁或者常 亮状态下, (也即不需利用改进型的闪光灯模块 12进行通讯), 逻辑控制单元 126可 以向 PWM单元 128的状态寄存器写入相应的状态值已满足闪光灯闪烁或者常亮的需 求。 光发射单元 124是将电信号转化为光信号, 并发送出去的发射器。 它需要闪光灯 驱动单元 120提供合适的驱动电压已使得作为发光光源的 LED发出有足够光强的光 源。 同时, 由于光发射单元 124具有自身发热量大的特点, 光发射单元 124自带热敏 电阻,一旦光发射单元 124的温度超过阈值温度,就发中断信号给逻辑控制单元 126, 请求相应的处理措施, 如启动散热装置, 关闭发射等等。 逻辑控制单元 126是整个改进型闪光灯模块的控制核心。 通过控制总线, 它处理 来自中央处理单元 10的操作指令, 并及时上报各种中断信息给中央处理单元 10。 逻 辑控制单元 126根据中央处理单元 10的操作指令, 向高速信号转换单元 1220, 发送 信号生成单元 1222, PWM单元 128发出各种相关的控制操作。 同时, 逻辑控制单元 126也接收光发射单元 124的过热告警等中断。 基于终端的上述结构特征, 本实施例还提供了一种终端的信息发送方法。 如图 4 所示, 该方法包括: 步骤 S402,通过闪光灯模块将待发送信息转换为光信号;该步骤的具体实现过程 可以表现为以下实现形式, 但不限于此: 将上述待发送信息转换为调制信号 (例如可 以将用于指示待发送信息的电信号转换为调制信号);根据上述调制信号对光信号进行 调制, 将调制后的光信号作为最终发送的光信号, 其中, 调制后的光信号携带有上述 待发送信息。 步骤 S404, 向接收侧终端发送上述光信号。 在本实施例中, 在发送上述光信号之前, 还需要为发送提供一定的电力支持: 将 终端的供电电压调整为闪光灯模块发送光信号所需的驱动电压, 上述方法还可以包括 以下处理步骤: 在检测到所述闪光灯模块中发送上述光信号的光发射单元的温度值超 过预设阈值时, 执行降低上述温度值的操作。 在本实施例中, 还提供了一种终端的信息的发送装置, 如图 5所示, 该装置包括: 转换模块 50, 设置为通过闪光灯模块将待发送信息转换为光信号; 发送模块 52, 连接 至转换模块 50, 设置为向接收侧终端发送上述光信号。 实施例 2 本实施例从信息的接收角度进行说明。 图 6为根据本发明实施例 2的终端的结构 框图。 如图 6所示, 该终端包括: 中央处理单元 60和光感器模块 62。 其中, 光感器 模块 62,设置为接收发送侧终端通过闪光灯模块发送的光信号并在将该光信号转换为 电信号后,将该电信号发送给中央处理单元 62,其中,上述光信号携带有待发送信息; 中央处理单元 60, 设置为接收上述电信号。 在本实施例中, 如图 7所示, 光感器模块 62包括但不限于以下处理单元: 光传 感器 620, 设置为接收上述光信号并将上述光信号转换为上述电信号, 并将上述电信 号发送给逻辑控制单元 622; 逻辑控制单元 622, 设置为将上述电信号发送给中央处 理单元 60。 为了更好地了解对光感器模块的改进, 以下结合一个优选实施例详细说明。 图 8为根据本发明优选实施例的光感器模块的结构示意图。 如图 8所示, 该光感 器模块包括以下处理单元: 光感应器 6200、 前置电流运算放大器 624以及主运算放大 器 626、 电信号判决整形单元 628、 高速信号转换单元 630、 积分器 6202、 逻辑控制单 元 622。 需要说明的是, 光感应器 6200与积分器 6202可以认为是光传感器 620的子 模块, 即光传感器 620包括: 光感应器 6200与积分器 6202。 光感应器 6200将闪光灯模块发送来的光脉冲信号转化为微弱的电流信号。 分别 送至前置电流运算放大器 624和积分器 626。 前置电流运算放大器 624, 对接收到的微弱电流信号进行低噪声放大, 并将输出 信号送至带有自动增益控制的主运算放大器 626, 进行二次放大以满足后续电路对信 号判决的要求。 电信号判决整形单元 628, 对前置电流运算放大器 624输出的含有噪声的、 有幅 度畸变的电信号进行均衡滤波, 整形判决。 高速信号转换单元 630, 对电信号判决整形单元 628输出的干净的电信号进行串 并转换, 以适应芯片外部高速互联总线的传输要求。 积分器 6202与光感应器 6200组成一般光传感器的功能,计算当前环境光的亮度, 并将亮度信息上传至逻辑控制单元 622。 逻辑控制单元 622是整个改进型光感器模块的控制核心, 它对改进型光感器模块 内的其他单元的寄存器进行操作, 干预其他单元的工作进程, 使得整个单元协调一致 的工作。 同时, 逻辑控制单元 622通过控制总线将整个改进型光感器模块的当前工作 信息、 中断操作等等上报给中央处理单元 60。 基于终端的上述结构特征, 本实施例还提供了一种终端的信息接收方法。 如图 9 所示, 该方法包括: 步骤 S902,通过光感器模块接收发送侧终端通过闪光灯模块发送的光信号,其中, 该光信号中携带有待发送信息; 步骤 S904, 将上述光信号转换为电信号并对上述光信号进行解析。 在本实施例中,还提供了一种终端的信息接收装置,如图 10所示,接收模块 100, 设置为通过光感器模块接收发送侧终端通过闪光灯模块发送的光信号, 其中, 该光信 号中携带有待发送信息; 转换模块 102, 连接至接收模块 100, 设置为将上述光信号 转换为电信号并解析。 需要说明的是,实施例 1中的终端和实施例 2中的终端是可以合并为一个终端的, 即一个终端中同时具有光信号的收发功能, 此时实施例 1 中的中央处理单元 10和实 施例 2中的中央处理单元 60可以合并为一个中央处理单元。 为了更好地理解, 以下 结合实施例 3详细说明。 实施例 3 本实施例从终端同时具有光信号的发送和接收功能角度进行说明。图 11为根据本 发明实施例 3的终端的结构框图。 如图 11所示, 该终端包括: 中央处理单元 110、 设 置为对拍照进行补光操作的闪光灯模块 112和光感器模块 114, 其中, 中央处理单元 110, 设置为将待发送信息发送给闪光灯模块 112; 闪光灯模块 112, 还设置为将上述 待发送信息转换为光信号并发送给接收侧终端; 光感器模块 114, 设置为接收来自发 送侧终端的光信号并在将接收的光信号转换为电信号后, 将上述电信号发送给上述中 央处理单元, 其中, 接收的光信号携带有待发送信息。 需要说明的是, 中央处理单元 110可以看作实施例 1中的中央处理单元 10和实施例 2中的中央处理单元 60的综合 体, 闪光灯模块 112相当于实施例 1中的闪光灯模块 12, 光感器模块 114相当于实施 例 2中的光感器模块 62。 为了实现收发的兼容性, 在本实施例中, 如图 12 所示, 该终端还可以包括: 信 号切换开关 116, 设置为接收中央处理单元 110的控制指令, 根据该控制指令控制闪 光灯模块 112和光传感器模块 114以时分复用的方式与中央处理单元 110进行连接。 为了更好地理解上述实施例, 以下结合一个优选实施例详细说明。 图 13为根据本发明优选实施例的终端的又一结构框图。 如图 13所示, 该终端包 括中央处理单元 110、 闪光灯模块 112、 高速信号收发器 116 (即信号切换开关 116)、 光感器模块 114以及电源模块 118。 终端电源 (如电池等)输入至电源模块 118, 电源模块 118通过其内部的升压和降 压电路为其他模块提供所需的电源轨。 中央处理单元 110 通过控制总线 (如: I2C, 通用异步收发传输器 (Universal Asynchronous Receiver Transmitter, 简称为 UART) 等), 向闪光灯模块 112、 高速 信号收发器 116、 光感器模块 114的内部逻辑寄存器 (即逻辑控制单元) 发出寄存器 操作指令, 以引导各模块完成相应的动作。 同时闪光灯模块 112与光感器模块 114可 以通过此控制总线, 上报当前工作状态, 中断操作等相关信息。 高速信号收发器 116的在此处起到信号切换开关的作用。 在中央处理单元 110的 控制下, 高速信号收发器 116将中央处理器单元 110分别与闪光灯模块 112和光感器 模块 114的高速互联总线连接, 以完成接收和发送信号的时分复用。 闪光灯模块 112, 除具有普通闪光灯所具有的功能外, 在中央处理单元 110的控 制下, 将中央处理单元 110通过高速互联总线传来的高速信号进行转换, 转换为适合 作为光发射单元的调制信号, 此调制信号对光发射单元的光脉冲进行调制, 以使得发 出的光信号携带了所需要传输的信息。 光感器模块 114, 不仅具有普通光感所具有的功能, 还可以在接收到改进型的闪 光灯模块 112 发送来的光信号后, 将相应的信息帧通过控制总线发往中央处理单元 110, 由中央处理单元 110来判断是否继续接收后续信息。 若需要接收, 则通过控制 总线通知改进型的光感器模块 114, 并使得高速信号收发器 116切换高速互联总线的 连接。 中央处理单元 110接收相应的通讯信息。 综上所述, 本发明实施例实现了以下有益效果: 本实施例提供的终端间的通讯方式可以实现终端与终端之间文件的传递, 信息交 互, 尤其是大信息量大容量的文件传输; 操作简便, 只需要像操作终端照相机一样就 能轻松操作; 相比于蓝牙技术, 有更高的传输速率; 相比与 WIFI 技术, 有简单的操 作过程, 增加了易用性; 与手持终端有良好的集成: 将手持终端普遍采用的闪光灯作 为传输光源, 仅需增加相关的调制电路, 同时, 也改进了手持终端普遍采用的光传感 器, 以便能接收高速光信号; 无电磁辐射。 由于终端之间传递的是光信号, 所以并不 会产生电磁辐射, 尤其是在电信号频谱中, 蓝牙和 WIFI工作在 2.4G频率上对相邻频 段的干扰尤为严重; 抗干扰能力强。 光信号不易受到电信号的干扰。 以上仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本领域的技术人 员来说, 本发明可以有各种更改和变化。 凡在本发明的精神和原则之内, 所作的任何 修改、 等同替换、 改进等, 均应包含在本发明的保护范围之内。 工业实用性 本发明实施例提供的上述技术方案, 采用终端中的闪光灯模块将待发送信息转换 为光信号或者通过光感器模块接收携带有待发送信息的光信号的技术手段, 解决了相 关技术中现有的终端间通信方式存在传输速率低, 易用性较差等问题, 提高了终端间 的信息传输效率, 同时操作简单, 也增强了易用性。

Claims

权 利 要 求 书
1. 一种终端的信息发送方法, 其中, 所述终端包括: 闪光灯模块, 所述方法包括: 通过所述闪光灯模块将待发送信息转换为光信号; 向接收侧终端发送所述光信号。
2. 根据权利要求 1所述的方法, 其中, 向接收侧终端发送所述光信号之前, 包括: 将所述终端的供电电压调整为所述闪光灯模块发送所述光信号所需的驱动 电压。
3. 根据权利要求 1所述的方法, 其中, 通过所述闪光灯模块将待发送信息转换为 光信号, 包括:
将所述待发送信息转换为调制信号;
根据所述调制信号对所述光信号进行调制, 将调制后的所述光信号作为最 终发送的光信号, 其中, 调制后的所述光信号携带有所述待发送信息。
4. 根据权利要求 1至 3任一项所述的方法, 其中, 还包括: 在检测到所述闪光灯模块中发送所述光信号的光发射单元的温度值超过预 设阈值时, 执行降低所述温度值的操作。
5. 一种终端的信息接收方法, 其中, 所述终端包括: 光感器模块, 所述方法包括: 通过所述光感器模块接收发送侧终端通过闪光灯模块发送的光信号,其中, 所述光信号中携带有待发送信息;
将所述光信号转换为电信号并解析。
6. 一种终端的信息发送装置, 其中, 所述终端包括: 闪光灯模块, 所述装置包括: 转换模块, 设置为通过所述闪光灯模块将待发送信息转换为光信号; 发送模块, 设置为向接收侧终端发送所述光信号。
7. 一种终端的信息接收装置, 其中, 所述终端包括: 光感器模块, 所述装置包括: 接收模块, 设置为通过所述光感器模块接收发送侧终端通过闪光灯模块发 送的光信号, 其中, 所述光信号中携带有待发送信息; 转换模块, 设置为将所述光信号转换为电信号并解析。
8. —种终端, 包括: 中央处理单元和设置为对拍照进行补光操作的闪光灯模块, 所述中央处理单元, 与所述闪光灯模块耦合连接, 设置为将用于指示待发 送信息的电信号发送给所述闪光灯模块;
所述闪光灯模块,设置为将所述电信号转换为光信号并发送给接收侧终端。
9. 根据权利要求 9所述的终端, 其中, 所述闪光灯模块包括: 闪光灯驱动单元, 设置为将来自终端电源的供电电压调整为光发射单元所 需的驱动电压;
信号转换单元, 设置为将所述待发送信息转换为所述光发射单元的调制信 号;
所述光发射单元, 设置为根据所述调制信号对光信号进行调制, 其中, 调 制后的所述光信号携带有所述待发送信息;
逻辑控制单元, 设置为接收来自所述中央处理单元的操作指令并对所述信 号转换单元和所述光发射单元发送与所述操作指令对应的控制操作。
10. 根据权利要求 9所述的终端, 其中, 所述光发射单元, 还设置为在检测到所述闪光灯模块中所述光发射单元的 温度值超过预设阈值时, 向所述逻辑控制单元发送中断指令; 所述逻辑控制单元, 还设置为根据所述中断指令采取降低所述温度值的措 施。
11. 一种终端, 包括: 中央处理单元和光感器模块, 所述光感器模块, 设置为接收发送侧终端通过闪光灯模块发送的光信号并 在将所述光信号转换为电信号后, 将所述电信号发送给所述中央处理单元, 其 中, 所述光信号携带有待发送信息;
所述中央处理单元, 设置为接收所述电信号。
12. 根据权利要求 11所述的终端, 其中, 所述光感器模块包括: 光传感器, 设置为接收所述光信号并将所述光信号转换为所述电信号, 并 将所述电信号发送给逻辑控制单元;
所述逻辑控制单元, 设置为将所述电信号发送给所述中央处理单元。
13. 一种终端, 包括: 中央处理单元、 设置为对拍照进行补光操作的闪光灯模块和 光感器模块, 所述中央处理单元, 设置为将用于指示待发送信息的电信号发送给所述闪 光灯模块;
所述闪光灯模块, 设置为将所述待发送信息转换为光信号并发送给接收侧 终端;
所述光感器模块, 设置为接收来自发送侧终端的光信号并在将接收的所述 光信号转换为电信号后, 将所述电信号发送给所述中央处理单元, 其中, 接收 的所述光信号携带有待发送信息。
14. 根据权利要求 13所述的终端, 其中, 还包括: 信号切换开关, 设置为接收所述中央处理单元的控制指令, 根据所述控制 指令控制所述闪光灯模块和所述光传感器模块以时分复用的方式与所述中央处 理单元进行连接。
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