WO2014131322A1 - 一种从音频设备的音频接口取电的方法及电路 - Google Patents

一种从音频设备的音频接口取电的方法及电路 Download PDF

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Publication number
WO2014131322A1
WO2014131322A1 PCT/CN2014/070986 CN2014070986W WO2014131322A1 WO 2014131322 A1 WO2014131322 A1 WO 2014131322A1 CN 2014070986 W CN2014070986 W CN 2014070986W WO 2014131322 A1 WO2014131322 A1 WO 2014131322A1
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Prior art keywords
audio
circuit
power
payment terminal
capacitor
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PCT/CN2014/070986
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English (en)
French (fr)
Inventor
华山
周文霞
江健琦
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福建联迪商用设备有限公司
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Publication of WO2014131322A1 publication Critical patent/WO2014131322A1/zh

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
    • H02M7/10—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode arranged for operation in series, e.g. for multiplication of voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/001—Energy harvesting or scavenging

Definitions

  • the invention relates to a power-taking technology for an electronic payment terminal product, in particular to a mobile payment terminal device, which can realize an efficient and reliable power-taking method and circuit of the terminal from the audio interface.
  • the power-up mode has a diode (or M0S tube) bridge rectifier.
  • Capacitor voltage doubler rectification, diode detection rectification, etc. various circuits can achieve a certain power from the audio interface as the device power; Once the device starts to run each module function, the power consumption increases, the above rectifier circuit is always in a constant rectification Input dynamic process of obtaining power while continuously outputting power, and this dynamic process requires the audio interface to output more power to meet the stability of the circuit and the output voltage; however, the output power of the audio interface is extremely limited, and the audio equipment of different audio devices The output power varies greatly, so the above-mentioned power take-off circuit base This device cannot meet the power consumption requirements of various payment methods, and its application compatibility is extremely low.
  • the invention is implemented by the following scheme: A method for taking power from an audio interface of an audio device, which is characterized in that: a capacitor is first charged by an audio power taking circuit, and then the payment terminal is powered, and the payment terminal is followed by a transaction. It is implemented in a way that is charged once.
  • the audio power take-off circuit is designed by capacitor voltage doubler rectification.
  • the audio device when the one-time transaction corresponds to one charging, when the capacitor is charged to a predetermined value, the audio device stops transmitting an alternating waveform, and then the payment terminal starts by supplying power of the capacitor. jobs.
  • the audio device generates an alternating waveform by starting the APK program, and then stops receiving the alternating waveform by receiving the ready character packet uploaded by the payment terminal.
  • the determining of the predetermined value is performed by using a charging time calculation or an AD sampling mode of the capacitor.
  • the method further includes providing a backup battery and a control circuit.
  • the control circuit automatically switches to the backup battery to ensure the entire payment terminal. The completion of the transaction process.
  • Another object of the present invention is to provide a circuit for taking power from an audio interface of an audio device, comprising: An audio power take-off circuit for obtaining a voltage from an audio interface of the audio device; a voltage stabilizing circuit having an input end connected to an output end of the audio power take-off circuit and an output end serving as a power supply end of a payment terminal; a power supply capacitor connected to an output end of the audio power take-off circuit or an output end of the voltage stabilizing circuit;
  • control circuit configured to switch to the backup battery power supply when the power supply capacitor fails to meet the power supply requirement of the payment terminal, to ensure completion of the entire transaction process of the payment terminal.
  • the audio power take-off circuit is a bridge rectifier or diode detection or a capacitor voltage doubler rectifier circuit, and the input end of the audio power take-off circuit serves as an audio output end of the left/right channel of the audio device. .
  • the backup battery is a rechargeable battery.
  • the payment terminal is a mobile phone or a PAD card reader
  • the circuit is disposed in the mobile phone or the PAD card reader.
  • the invention not only reduces the dynamic power consumption of the existing power take-off circuit, improves the power taking efficiency, but also ensures the long-term use of the battery to the maximum extent, and further enhances the application compatibility of the payment terminal to various audio devices.
  • FIG. 1 is a schematic diagram of a power take-off circuit of a conventional payment terminal device with audio power taking. (or MOS tube) schematic diagram of bridge rectifier;
  • FIG. 2 is a schematic diagram of a capacitor voltage doubler rectification scheme of a conventional power take-off circuit of a payment terminal device with audio power taking;
  • FIG. 3 is a schematic diagram of a current implementation of a power take-off circuit of a conventional payment terminal device with audio power taking;
  • FIG. 4 is a schematic diagram of a capacitor voltage doubler rectification of a conventional power take-off circuit implementation scheme of a payment terminal device with audio power taking;
  • FIG. 5 is a schematic diagram of a capacitor voltage doubler rectifier circuit and a charge/discharge capacitor of the present invention
  • FIG. 6 is a block diagram showing the hardware principle of an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of an application principle scheme (power take-off and power supply) of the present invention.
  • Figure 8 is a schematic illustration of the operational flow of the present invention.
  • the embodiment provides a method for taking power from an audio interface of an audio device, which is characterized in that: a capacitor is connected to an output end of an audio power taking circuit, and the capacitor is charged first, and then the payment terminal is powered. And follow the payment terminal to achieve a transaction corresponding to a charge.
  • the audio device stops transmitting the alternating waveform, and then the payment terminal starts to rely on the power supply of the capacitor. jobs.
  • the determination of the predetermined value is performed by using a charging time calculation or an AD sampling mode of the capacitor.
  • the payment terminal stops the charging before sending the data after acquiring the transaction data. Electricity.
  • the payment terminal may be a mobile phone card reader, and the mobile phone card reader is connected to the mobile phone through an audio interface.
  • the power receiving mode of the present invention is very suitable, and the audio device can generate an alternating waveform through the APK program to charge the capacitor;
  • the device also communicates with the implementation data through the audio interface, so the mobile phone card reader can stop the charging before sending the data after acquiring the transaction data, so that the capacitor has sufficient charging time.
  • the method further includes providing a backup battery and a control circuit.
  • the control circuit automatically switches to the backup battery to ensure the entire payment terminal. The completion of the transaction process.
  • the above capacitance value ranges from IOUF-IOOOUFO
  • This embodiment further provides a circuit for taking power from an audio interface of an audio device, the circuit including various existing audio interface power take-off circuits, as shown in FIG. 1, 2, 3, and 4;
  • the output of the interface power-receiving circuit or the output of the voltage-stabilizing device (LD0) is connected in parallel with a large-capacity capacitor.
  • the value of the capacitor can be in the range of 10uF-1000uF. It can be charged (discharged) and charged once.
  • the power receiving mode provides energy to the device load.
  • the payment terminal device further has an optional backup battery (or a rechargeable battery).
  • the circuit includes: a circuit for taking power from an audio interface of an audio device, comprising: an audio power take-off circuit for acquiring a voltage from an audio interface of the audio device; a voltage stabilizing circuit, the input thereof The end is connected to the output end of the audio power taking circuit, and the output end is used as a power supply end of a payment terminal; a power supply capacitor is connected to the output end of the audio power taking circuit or the output of the voltage stabilizing circuit a backup battery; and a control circuit, configured to switch to the backup battery when the power supply capacitor fails to meet the power supply requirement of the payment terminal, The completion of the entire transaction process of the payment terminal is guaranteed.
  • the audio power take-off circuit is a bridge rectifier or diode detection or a capacitor voltage doubler rectifier circuit, and the input end of the audio power take-off circuit serves as an audio output end of the left/right channel of the audio device.
  • FIG. 5 is a schematic diagram of a capacitor voltage doubler rectifier circuit and a charge/discharge capacitor.
  • a capacitor power-off circuit is realized by using a capacitor double voltage, and a large-capacity capacitor 1 is connected in parallel at the output end of the capacitor voltage multiplying circuit.
  • the power taking process of the present invention is as follows:
  • the audio device transmits an alternating waveform to the payment terminal device through the left/right channel or the left and right channels of the audio interface, and the waveform may be a square wave. , sine wave, triangle wave, etc., through the existing power-reduction rectifier circuit, charging and storing energy to the large capacitor.
  • the audio device stops transmitting the alternating waveform, and the payment terminal device starts normal operation;
  • the judgment of saturation can be realized by calculation of charging time or AD sampling, etc., and the charging time calculation is realized by setting the time at which the audio device sets the alternating waveform.
  • the audio device can also complete the transaction data acquisition (such as swiping) after the terminal device completes, and the communication terminal is ready (the payment terminal needs to upload the ready character), then stop sending the alternating waveform and stop charging the large capacitor.
  • the specific operation depends on the transaction flow; It is stated that the device load (payment terminal) in the above power-taking process is always in an idle mode or ultra-low power consumption (or low power consumption) operation mode, and the power take-off circuit and the capacitor are always in the energy storage state.
  • the power supply process of the present invention is as follows: After the device starts normal operation, the large capacitor begins to slowly discharge, and the terminal device reuses the left and right channels that have been stopped for data communication. When the power on the large capacitor is too low, it is insufficient to ensure a transaction.
  • FIG. 8 is a schematic diagram of an operation flow according to an embodiment of the present invention.
  • the audio device starts the APK program, sends the alternating waveform, and the payment terminal device uses the power taking circuit and the large capacitor to charge and store energy, and runs with ultra low power consumption or no load; after charging for a certain time, the capacitor energy storage protection;
  • the device runs at low power consumption and uploads the ready character packet to the audio device;
  • the audio device stops transmitting the alternating waveform and stops charging the terminal; during the discharge of the large capacitor, if the power is too low, the control circuit automatically switches to the backup battery supply power.
  • independent battery power to ensure the completion of the transaction
  • the battery can be a rechargeable battery, if not too low, the audio device and the payment terminal device data communication, complete the transaction.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Power Sources (AREA)

Abstract

一种从音频设备的音频接口取电的方法，在一音频取电电路的输出端并接一个电容（1），对该电容先充电，然后再为支付终端供电，并遵循该支付终端一次交易对应一次充电的方式。该方法既降低了现有取电电路的动态功耗、提高取电效率，还可以保证电池的长期使用，增强了支付终端对各种音频设备的应用兼容性。

Description

一种从音频设备的音频接口取电的方法及电路 技术领域
本发明涉及电子支付终端产品取电技术， 特别是应用在移动式的支付终端 设备， 其能够实现终端从音频接口的高效、 可靠的取电方法及电路。
背景技术
随着电子和计算机技术的迅猛发展， 其应用已深入到生活中的各个领域。 电子支付产品也不例外， 个人便携式支付将是电子支付未来的一个发展方向， 这就要求支付终端必须是小型化、 微型化、 便携式的设计； 而如何在小型化设 计的过程中保证支付终端的高效供电能力， 已经成为业界人士正在努力攻关的 重要课题之一。
之前， 大部分的移动式支付终端均采用电池 （或可充电） 供电， 但受到设备 小型号的要求， 电池电量有限， 无法保证设备的长时间工作。 目前， 也有一些 较改进的供电设计设备， 采用了音频接口取电给支付终端供电的方式， 如图 1、 2、 3、 4所示， 取电方式有二极管 （或 M0S管） 桥式整流、 电容倍压整流、 二极 管检波整流等， 各种电路均能实现从音频接口获取到一定的功率作为设备电源； 一旦设备开始运行各个模块功能， 功耗增加， 上述的整流电路总处在一个不断 整流输入获取功率、 同时不断输出功率的动态过程， 而这种动态过程就要求音 频接口输出更大功率以满足电路的工作和输出电压的稳定； 但是音频接口的输 出功率极其有限， 且不同音频设备的输出功率差异很大， 所以上述取电电路基 本无法满足各种支付方式的设备功耗要求， 其应用的兼容适应性极低。
发明内容
为克服上述的问题， 本发明的目的是提供一种从音频设备的音频接口取电 的方法。
本发明采用以下方案实现： 一种从音频设备的音频接口取电的方法， 其特 征在于： 通过一音频取电电路对一电容先充电， 然后再为支付终端供电， 并遵 循该支付终端一次交易对应一次充电的方式实现。
在本发明一实施例中， 所述音频取电电路是采用电容倍压整流设计而成。 在本发明一实施例中， 所述一次交易对应一次充电的方式是所述电容充电 到一预定值时， 所述音频设备停止发送交变波形， 然后所述支付终端依靠所述 电容的供电开始工作。
在本发明一实施例中， 所述的音频设备是启动 APK程序产生交变波形， 后 续是接收支付终端上传的就绪字符包才停止发送交变波形。
在本发明一实施例中， 所述一预定值的判断是利用该电容的充电时间计算或 AD采样方式实现。
在本发明一实施例中， 还包括提供一后备电池和一控制电路， 当从音频接口 获取的功率无法满足所述支付终端正常运行， 控制电路自动切换为后备电池供 电， 保证所述支付终端整个交易流程的完成。
本发明的另一目的是提供一种从音频设备的音频接口取电的电路， 其特征 在于包括： 一音频取电电路， 用以从所述音频设备的音频接口获取电压； 一稳压电路， 其输入端与所述音频取电电路的输出端连接， 输出端作为一支 付终端的供电端； 一供电电容， 该供电电容并接于所述音频取电电路的输出端或所述稳压电路 的输出端；
一后备电池； 以及
一控制电路， 用于在所述供电电容无法满足支付终端的供电要求时， 切换到 所述后备电池供电， 保证所述支付终端整个交易流程的完成。
在本发明一实施例中， 所述音频取电电路为桥式整流或二极管检波或电容 倍压整流电路， 所述的音频取电电路的输入端作为音频设备左 /右声道的音频输 出端。
在本发明一实施例中， 所述的后备电池是可充电电池。
在本发明一实施例中， 所述的支付终端是手机或 PAD刷卡器， 所述电路设 置于该手机或 PAD刷卡器中。
本发明既降低了现有取电电路的动态功耗、 提高取电效率， 还可以最大限 度的保证电池的长期使用， 更增强了支付终端对各种音频设备的应用兼容性。 附图说明
下面参照附图结合实施例， 对本发明作进一步的说明。
图 1是现有带有音频取电的支付终端设备的取电电路实现方案一一二极管 (或 MOS管） 桥式整流示意图；
图 2是现有带有音频取电的支付终端设备的取电电路实现方案一一电容倍 压整流示意图；
图 3是现有带有音频取电的支付终端设备的取电电路实现方案一一二极管 检波整流；
图 4是现有带有音频取电的支付终端设备的取电电路实现方案一一左右声 道共同取电的电容倍压整流示意图；
图 5是本发明的电容倍压整流电路与充 /放电电容示意图；
图 6是本发明一实施例硬件原理框图；
图 7是本发明的应用原理方案 （取电与供电） 示意图；
图 8是本发明的操作流程示意图。
具体实施方式
下面结合附图及实施例对本发明做进一步说明。
本实施例提供了一种从音频设备的音频接口取电的方法， 其特征在于： 在 一音频取电电路的输出端并接一个电容， 采用对该电容先充电， 然后再为支付 终端供电， 并遵循该支付终端一次交易对应一次充电的方式实现。
值得一提的是， 本发明所述一次交易对应一次充电的方式是所述电容充电 到一预定值时， 所述音频设备停止发送交变波形， 然后所述支付终端依靠所述 电容的供电开始工作。 所述一预定值的判断是利用该电容的充电时间计算或 AD 采样方式实现。 所述支付终端是在获取交易数据后， 发送数据前再停止所述充 电。 该支付终端可以是手机刷卡器， 该手机刷卡器通过音频接口与手机连接， 因此本发明的取电方式非常适用， 该音频设备可以通过 APK程序产生交变波形， 为电容充电； 由于该手机刷卡器也是通过音频接口与所述实现数据通讯， 所以 该手机刷卡器可以在获取交易数据后， 发送数据前再停止所述充电， 以便所述 电容具有足够的充电时间。
在本发明一实施例中， 还包括提供一后备电池和一控制电路， 当从音频接 口获取的功率无法满足所述支付终端正常运行， 控制电路自动切换为后备电池 供电， 保证所述支付终端整个交易流程的完成。 上述电容值的取值范围是 IOUF-IOOOUFO
本实施例另提供一种从音频设备的音频接口取电的电路， 该电路包括了现有 的各种音频接口取电电路， 如图 1、 2、 3、 4所示； 本申请在该音频接口取电电 路的输出端或稳压器件 (LD0)的输出端并联一个大容量的电容， 该电容值的取值 范围可以是 10uF-1000uF， 采用先充电后供电 （放电）、 一次交易充一次电的取 电方式， 向设备负载提供能量； 同时， 本实施例中， 支付终端设备还带有可选 的后备电池 （或为可充电电池）。 具体的该电路包括： 一种从音频设备的音频接 口取电的电路， 其特征在于包括： 一音频取电电路， 用以从所述音频设备的音 频接口获取电压； 一稳压电路， 其输入端与所述音频取电电路的输出端连接， 输出端作为一支付终端的供电端； 一供电电容， 该供电电容并接于所述音频取 电电路的输出端或所述稳压电路的输出端； 一后备电池； 以及一控制电路， 用 于在所述供电电容无法满足支付终端的供电要求时， 切换到所述后备电池供电， 保证所述支付终端整个交易流程的完成。 所述音频取电电路为桥式整流或二极 管检波或电容倍压整流电路， 所述的音频取电电路的输入端作为音频设备左 /右 声道的音频输出端。 请参照图 5， 图 5是电容倍压整流电路与充 /放电电容示意 图， 本实施例中采用电容倍压实现音频取电电路， 大容量的电容 1并联在该电 容倍压电路的输出端。
参考图 6和图 7所示， 本发明的取电过程如下： 由音频设备通过音频接口 的左 /右声道或左右声道一起向支付终端设备发送交变的波形， 该波形可以是方 波、 正弦波、 三角波等， 通过现有的取电整流电路， 向大电容进行充电储能， 电容达到饱和后， 音频设备停止发送交变波形、 支付终端设备开始正常运行； 要说明的是， 该饱和的判断可利用充电时间的计算或 AD采样等方式实现， 该充 电时间计算本实施例中是通过在音频设备设定发出交变波形的时间实现。 音频 设备也可以在终端设备完成交易数据的获取 （如刷卡）、 通讯就绪后 （需要支付 终端上传就绪字符） 再停止发送交变波形、 停止对大电容充电， 具体操作视交 易流程而定； 要说明的是上述的取电过程中设备负载 (支付终端)始终处于空载 或超低功耗 （或低功耗） 的运行模式下， 保证取电电路和电容总处于储能状态。 本发明的供电过程如下； 当设备开始正常运行后， 大电容开始缓慢放电， 终端 设备再利用已停止占用的左右声道进行数据通讯， 当大电容上的电量过低、 不 足以保证一次交易的完成时， 自动触发开关控制电路、 切换为电池补给供电或 电池独立供电， 完成交易流程。 值得一提的是， 本实施例中， 所述的支付终端 可以是手机刷卡器， 所述电路设置于该手机刷卡器中。 请参见图 8， 图 8是本发明一实施例的操作流程示意图。 图中音频设备启动 APK程序， 发送交变波形， 支付终端设备利用取电电路和大电容进行充电储能、 并以超低功耗或空载运行； 充电一定时间后， 电容储能保护； 终端设备以低功 耗运行， 并向音频设备上传就绪字符包； 音频设备停止发送交变波形， 停止向 终端充电； 大电容放电过程中， 如果电量过低， 则控制电路自动切换为备用电 池补给供电或独立电池供电 （以保证交易的完成）， 该电池可以是可充电电池， 如果没有过低， 则音频设备与支付终端设备进行数据通讯， 完成交易。
如此方式， 既降低了现有取电电路的动态功耗、 提高取电效率， 还可以最 大限度的保证电池的长期使用， 更增强了支付终端对各种音频设备的应用兼容 性。
以上所述仅为本发明的较佳实施例， 凡依本发明申请专利范围所做的均等变 化与修饰， 皆应属本发明的涵盖范围。

Claims

权利要求书
1. 一种从音频设备的音频接口取电的方法， 其特征在于： 通过一音频取电电路 对一电容先充电， 然后再为支付终端供电， 并遵循该支付终端一次交易对应一 次充电的方式实现。
2. 根据权利要求 1所述的音频接口取电的方法， 其特征在于： 所述音频取电电 路是采用电容倍压整流设计而成。
3. 根据权利要求 1所述的音频接口取电的方法， 其特征在于： 所述一次交易对 应一次充电的方式是所述电容充电到一预定值时， 所述音频设备停止发送交变 波形， 然后所述支付终端依靠所述电容的供电开始工作。
4. 根据权利要求 3所述的音频接口取电的方法， 其特征在于： 所述的音频设备 是启动 APK程序产生交变波形， 后续是接收支付终端上传的就绪字符包才停止 发送交变波形。
5. 根据权利要求 3所述的音频接口取电的方法， 其特征在于： 所述一预定值的 判断是利用该电容的充电时间计算或 AD采样方式实现。
6. 根据权利要求 1所述的音频接口取电的方法， 其特征在于： 还包括提供一后 备电池和一控制电路， 当从音频接口获取的功率无法满足所述支付终端正常运 行， 控制电路自动切换为后备电池供电， 保证所述支付终端整个交易流程的完 成。
7. 一种从音频设备的音频接口取电的电路， 其特征在于包括：
一音频取电电路， 用以从所述音频设备的音频接口获取电压；
一稳压电路， 其输入端与所述音频取电电路的输出端连接， 输出端作为一支付 终端的供电端； 一供电电容， 该供电电容并接于所述音频取电电路的输出端或所述稳压电路的 输出端；
一后备电池； 以及 一控制电路， 用于在所述供电电容无法满足支付终端的供电要求时， 切换到所 述后备电池供电， 保证所述支付终端整个交易流程的完成。
8. 根据权利要求 7所述的从音频设备的音频接口取电的电路， 其特征在于： 所 述音频取电电路为桥式整流或二极管检波或电容倍压整流电路， 所述的音频取 电电路的输入端作为音频设备左 /右声道的音频输出端。
9. 根据权利要求 7所述的从音频设备的音频接口取电的电路， 其特征在于： 所 述的后备电池是可充电电池。
10. 根据权利要求 7所述的从音频设备的音频接口取电的电路， 其特征在于： 所述的支付终端是手机或 PAD刷卡器， 所述电路设置于该手机或 PAD刷卡器中。
PCT/CN2014/070986 2013-02-28 2014-01-21 一种从音频设备的音频接口取电的方法及电路 WO2014131322A1 (zh)

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CN103198578A (zh) * 2013-02-28 2013-07-10 福建联迪商用设备有限公司 一种从音频设备的音频接口取电的方法及电路
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020097008A1 (en) * 2001-01-23 2002-07-25 Patent-Treuhand-Gesellschaft Feur Elektrische Gleu Microcontroller, switched-mode power supply, ballast for operating at least one electric lamp, and method of operating at least one electric lamp
US6972543B1 (en) * 2003-08-21 2005-12-06 Stryker Corporation Series resonant inductive charging circuit
CN1781065A (zh) * 2003-02-26 2006-05-31 集成离散设备有限责任公司 芯片上电源
CN201130342Y (zh) * 2007-12-19 2008-10-08 深圳市三旺通信技术有限公司 从串口获取电源的装置
CN103198578A (zh) * 2013-02-28 2013-07-10 福建联迪商用设备有限公司 一种从音频设备的音频接口取电的方法及电路

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1282832B1 (it) * 1995-03-24 1998-03-31 Lucio Falace Dispositivo elevatore di tensione, specialmente indicato per l'accensione dei tubi a gas inerte, o qualsivoglia utilizzatore, con
CN102355523A (zh) * 2011-07-04 2012-02-15 上海分点科技有限公司 电子信号处理装置、设备及***及其信息处理的方法
CN202512578U (zh) * 2011-11-18 2012-10-31 林盛 磁卡阅读器
CN102868307A (zh) * 2012-09-29 2013-01-09 福建新大陆支付技术有限公司 一种从音频口获取电源的装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020097008A1 (en) * 2001-01-23 2002-07-25 Patent-Treuhand-Gesellschaft Feur Elektrische Gleu Microcontroller, switched-mode power supply, ballast for operating at least one electric lamp, and method of operating at least one electric lamp
CN1781065A (zh) * 2003-02-26 2006-05-31 集成离散设备有限责任公司 芯片上电源
US6972543B1 (en) * 2003-08-21 2005-12-06 Stryker Corporation Series resonant inductive charging circuit
CN201130342Y (zh) * 2007-12-19 2008-10-08 深圳市三旺通信技术有限公司 从串口获取电源的装置
CN103198578A (zh) * 2013-02-28 2013-07-10 福建联迪商用设备有限公司 一种从音频设备的音频接口取电的方法及电路

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