技术领域technical field
本发明涉及一种省电电路及具有省电电路的电子设备,更具体的是涉及一种通过压力感测功能实现减少电源消耗的省电电路及其电子设备。The present invention relates to a power-saving circuit and electronic equipment with the power-saving circuit, and more specifically relates to a power-saving circuit and electronic equipment that reduce power consumption through a pressure sensing function.
背景技术Background technique
随着物连网时代的来临,各公司纷纷推出许多种类的穿戴式装置或是手持式装置,使当中的各种功能来提升用户的日常体验,使得这些终端电子装置的数量正快速的在全球增长。With the advent of the Internet of Things era, various companies have launched many types of wearable devices or handheld devices, so that various functions can be used to improve the daily experience of users, making the number of these terminal electronic devices is rapidly growing in the world .
这些物连网终端电子装置因可移植性的缘故大多均是采用电池作为电力,因此,随着使用者的随身设备数量增多,每样终端电子装置充电的需求会造成使用者的困扰,因此如何延长终端电子装置的待机时间,借以提供使用者更好的使用者体验,成了各公司在产品开发时的重要考虑,尤其使用者也已开始注意到这个问题,使得待机时间更长的终端电子装置在市场上更受欢迎。Most of these Internet of Things terminal electronic devices use batteries as power due to their portability. Therefore, as the number of users’ portable devices increases, the need for charging each terminal electronic device will cause trouble for users. Therefore, how to Extending the standby time of terminal electronic devices to provide users with a better user experience has become an important consideration for companies in product development, especially users have begun to notice this problem, making terminal electronic devices with longer standby times The device is more popular in the market.
一般的终端电子装置在关机的状态下,因开关单元未被开启,因此开关为断路时,电子装置电路判读为进入休眠模式,使电子装置电路在消耗最小的电源状态下待命,待开关导通电流后电子装置电路在控制进入工作状态。When a general terminal electronic device is turned off, because the switch unit is not turned on, when the switch is disconnected, the circuit of the electronic device is interpreted as entering the sleep mode, so that the circuit of the electronic device is on standby under the state of minimum power consumption, and the switch is turned on After the current flow, the circuit of the electronic device enters the working state under control.
然,一般的终端电子装置的电子装置电路在休眠状态仍会消耗少量的电力,因此为了使终端电子装置具有更长的待机时间,有必要提出一种使电子装置电路在关机时不会消耗电源的省电电路。However, the electronic device circuit of a general terminal electronic device still consumes a small amount of power in a dormant state, so in order to make the terminal electronic device have a longer standby time, it is necessary to propose a method that prevents the electronic device circuit from consuming power when it is turned off. power saving circuit.
一种已知的蓝芽触控笔,该蓝芽触控笔上具有一电源按钮,当用户开启电源按钮后,蓝芽触控笔的电子装置电路由休眠模式进入工作状态。由于蓝芽触控笔属于低耗电量产品,若能节省下休眠模式消耗的电量,将能够大幅提高使用时间以及待机时间。A known bluetooth stylus has a power button on the bluetooth stylus. After the user turns on the power button, the electronic device circuit of the bluetooth stylus enters the working state from the sleep mode. Since the Bluetooth stylus is a low power consumption product, if the power consumed in the sleep mode can be saved, the use time and standby time can be greatly improved.
发明内容Contents of the invention
本发明的目的是针对所述现有的不足而公开一种省电电路,为了使电子装置电路在关机的状态下不会消耗电源。The object of the present invention is to disclose a power-saving circuit for the above-mentioned existing disadvantages, so that the circuit of the electronic device does not consume power when it is turned off.
为达成所述目的,本发明公开一种省电电路,连接一电源,其包括一可变电阻、一开关及一处理模块,电源分别连接于开关及可变电阻,处理模块分别连接于开关及可变电阻,开关连接可变电阻。开关被设置成当可变电阻受到压力后导通电源及处理模块之间的线路。处理模块被设置成在接收到电源后提供开关一工作信号使开关在可变电阻未受到压力时持续导通电源至处理模块之间的线路。或是,处理模块被设置成侦测可变电阻的电压,以关闭工作信号时,开关使电源至处理模块的线路断路。To achieve the stated purpose, the present invention discloses a power-saving circuit connected to a power supply, which includes a variable resistor, a switch and a processing module, the power supply is respectively connected to the switch and the variable resistor, and the processing module is respectively connected to the switch and the Variable resistor, the switch connects the variable resistor. The switch is configured to conduct a line between the power supply and the processing module when the variable resistor is stressed. The processing module is configured to provide an operating signal to the switch after receiving the power to make the switch continuously conduct the circuit between the power supply and the processing module when the variable resistor is not under pressure. Alternatively, the processing module is configured to detect the voltage of the variable resistor, so that when the working signal is turned off, the switch disconnects the circuit from the power supply to the processing module.
所述可变电阻可为压力传感器。The variable resistor can be a pressure sensor.
所述可变电阻包括一第一端及一第二端,开关包括一PMOS晶体管及一NMOS晶体管,处理模块包括一电源脚、发送工作信号的一信号脚及一侦测可变电阻电压的电压脚,电源的正极分别连接PMOS晶体管的源极及可变电阻的第一端,第二端连接NMOS晶体管的闸极,第二端与NMOS晶体管的闸极之间的线路经过一电阻接地,第二端与NMOS晶体管的闸极之间的线路连接至电压脚,NMOS晶体管的源极接地,NMOS晶体管的汲极连接PMOS晶体管的闸极,PMOS晶体管的汲极连接电源脚,电源的正极与PMOS晶体管的源极之间的线路经过一电阻与PMOS晶体管的闸极及NMOS晶体管的汲极之间的线路形成节点接着连接至信号脚。The variable resistor includes a first end and a second end, the switch includes a PMOS transistor and an NMOS transistor, and the processing module includes a power supply pin, a signal pin for sending an operating signal, and a voltage for detecting the voltage of the variable resistor pin, the positive pole of the power supply is respectively connected to the source of the PMOS transistor and the first terminal of the variable resistor, the second terminal is connected to the gate of the NMOS transistor, the line between the second terminal and the gate of the NMOS transistor is grounded through a resistor, and the second terminal is connected to the gate of the NMOS transistor. The line between the two terminals and the gate of the NMOS transistor is connected to the voltage pin, the source of the NMOS transistor is grounded, the drain of the NMOS transistor is connected to the gate of the PMOS transistor, the drain of the PMOS transistor is connected to the power supply pin, and the positive pole of the power supply is connected to the PMOS transistor. The line between the sources of the transistors forms a node through a resistor and the lines between the gates of the PMOS transistors and the drains of the NMOS transistors and is then connected to the signal pin.
所述第二端与NMOS晶体管的闸极之间的线路串联一反向回路放大器后连接电压脚。The line between the second end and the gate of the NMOS transistor is connected in series with a reverse loop amplifier and then connected to the voltage pin.
一种电子设备,其包括一壳体,具有一默认触碰区。一本发明的省电电路,位于壳体内。及一由省电电路供电的电子装置电路,设置于壳体内。其中,可变电阻被设置成使用者碰触默认触碰区时受感应,且电子装置电路根据省电电路所侦测的可变电阻电压进而控制电子设备。An electronic device includes a housing with a default touch area. A power-saving circuit of the invention is located in the casing. and an electronic device circuit powered by the power-saving circuit, which is arranged in the casing. Wherein, the variable resistor is set to be sensed when the user touches the default touch area, and the circuit of the electronic device controls the electronic device according to the voltage of the variable resistor detected by the power saving circuit.
所述电子设备还包括一连接电子装置电路的无线模块。The electronic device also includes a wireless module connected to the circuit of the electronic device.
所述电子设备为一触控笔,所述壳体为一笔杆,可变电阻连接于笔杆的一端的触控笔尖。The electronic device is a stylus, the casing is a pen holder, and the variable resistor is connected to the touch pen tip at one end of the pen holder.
所述电子设备还包括一连接电子装置电路的无线模块。The electronic device also includes a wireless module connected to the circuit of the electronic device.
本发明的省电电路具备下列优点:The power-saving circuit of the present invention has the following advantages:
一、本发明的省电电路提高电子设备的待机时间。1. The power-saving circuit of the present invention improves the standby time of electronic equipment.
二、本发明的省电电路使可变电阻除了能够用来感测压力,还能做为电子设备的开关,使开关在电子设备上解放开来,并且借此节省制造时间与经费。2. The power-saving circuit of the present invention not only enables the variable resistor to be used for sensing pressure, but also can be used as a switch of electronic equipment, which frees the switch from the electronic equipment, thereby saving manufacturing time and cost.
三、本发明的省电电路应用于触控笔时,触控笔使用方式与一般书写笔一样直觉,随取随用,不需要有另外的动作打开电源,借以提升使用者的日常体验。3. When the power-saving circuit of the present invention is applied to a stylus, the use of the stylus is as intuitive as that of a general writing pen, and it can be used at any time without any additional action to turn on the power, thereby improving the user's daily experience.
四、由于本发明的电子设备及触控笔外表面上不需要设置开关,因此能够使得外观设计更不受限制。4. Since the electronic device and the stylus of the present invention do not need a switch on the outer surface, the appearance design can be made more unlimited.
附图说明Description of drawings
图1是本发明省电电路的方块图。FIG. 1 is a block diagram of the power saving circuit of the present invention.
图2是本发明省电电路的电路图。Fig. 2 is a circuit diagram of the power saving circuit of the present invention.
图3是本发明一种具省电电路的电子设备的方块图。FIG. 3 is a block diagram of an electronic device with a power saving circuit according to the present invention.
图4是本发明一种触控笔的示意图。FIG. 4 is a schematic diagram of a stylus of the present invention.
图5是第四图中触控笔与电子装置的使用示意图。FIG. 5 is a schematic view of the use of the stylus and the electronic device in FIG. 4 .
图中各附图标记说明如下。Each reference numeral in the figure is explained as follows.
省电电路 1 可变电阻 10power saving circuit1 variable resistor10
第一端 100 第二端 101first end100 second end101
反向回路放大器 102 电子装置电路 11reverse loop amplifier102 Electronic device circuits11
电源 12 开关 13power supply 12 switches13
PMOS晶体管 130 NMOS晶体管 131PMOS transistor130 NMOS transistors131
处理模块 14 电源脚 140processing module14 power pin140
信号脚 141 电压脚 142signal pin141 voltage pin142
电子设备 2 壳体 20Electronic equipment 2 housing20
默认触碰区 21 触控笔 3default touch area21 Stylus3
笔杆 30 触控笔尖 31pen holder30 stylus tip31
无线模块 32 闸极 Gwireless module32 gateG
源极 S 汲极 DsourceS sinkD.
电阻 R。resistanceR.
具体实施方式detailed description
为详细说明本发明的技术内容、构造特征、所达成目的及功效,以下以举例并配合附图详予说明。In order to describe in detail the technical content, structural features, achieved goals and effects of the present invention, the following will be described in detail with examples and accompanying drawings.
请参阅图1,本发明公开一种省电电路1,用以节省终端电子装置待机时所消耗的电源。省电电路1用以连接于一电源12以及一电子装置电路11之间。Please refer to FIG. 1 , the present invention discloses a power saving circuit 1 for saving power consumed by terminal electronic devices when they are in standby. The power saving circuit 1 is used for connecting between a power source 12 and an electronic device circuit 11 .
所述省电电路1包括一可变电阻10、一开关13及一处理模块14。电源12分别连接于开关13及可变电阻10,处理模块14分别连接于开关13、可变电阻10及电子装置电路11,开关13连接可变电阻10。The power saving circuit 1 includes a variable resistor 10 , a switch 13 and a processing module 14 . The power source 12 is respectively connected to the switch 13 and the variable resistor 10 , the processing module 14 is respectively connected to the switch 13 , the variable resistor 10 and the electronic device circuit 11 , and the switch 13 is connected to the variable resistor 10 .
所述开关13被设置成当可变电阻10受到压力后导通电源12及处理模块14之间的线路。The switch 13 is set to turn on the circuit between the power supply 12 and the processing module 14 when the variable resistor 10 is under pressure.
处理模块14被设置成用以传送电源12至电子装置电路11、侦测可变电阻10的信号以及保持开关13供电,且被设置成在接收到电源12后提供开关13一工作信号使开关13在可变电阻10未受到压力时持续导通电源12至处理模块14的线路,处理模块14还被设置成侦测可变电阻10的电压,并且当处理模块14关闭工作信号时,开关13使电源12至处理模块14的线路断路。The processing module 14 is configured to transmit the power supply 12 to the electronic device circuit 11, detect the signal of the variable resistor 10, and maintain the power supply of the switch 13, and is configured to provide a working signal to the switch 13 after receiving the power supply 12 to make the switch 13 When the variable resistor 10 is not under pressure, the line from the power supply 12 to the processing module 14 is continuously connected, and the processing module 14 is also configured to detect the voltage of the variable resistor 10, and when the processing module 14 turns off the working signal, the switch 13 enables The line from the power supply 12 to the processing module 14 is disconnected.
在一实施例当中,可变电阻10可为一压力传感器。In one embodiment, the variable resistor 10 can be a pressure sensor.
请参阅图2,是一省电电路1的实施例。可变电阻10在未受到压力时,其阻值非常大(一般视为无限大),可变电阻10包括一第一端100及一第二端101。开关13包括一PMOS晶体管130(P-type Metal-Oxide-Semiconductor Field-Effect Transistor, PMOS FET)及一NMOS晶体管131(N-type)。处理模块14包括一接收电流的电源脚140、一发送工作信号的信号脚141及一侦测可变电阻10电压的电压脚142。Please refer to FIG. 2, which is an embodiment of a power saving circuit 1. When the variable resistor 10 is not under pressure, its resistance value is very large (generally regarded as infinite), and the variable resistor 10 includes a first end 100 and a second end 101 . Switch 13 includes a PMOS transistor 130 (P-typeMetal-Oxide-Semiconductor Field-Effect Transistor, PMOS FET) and an NMOS transistor 131 (N-type). The processing module 14 includes a power pin 140 for receiving current, a signal pin 141 for sending a working signal, and a voltage pin 142 for detecting the voltage of the variable resistor 10 .
电源12的正极分别连接PMOS晶体管130的源极S及可变电阻10的第一端100,可变电阻10的第二端101连接NMOS晶体管131的闸极G,第二端101与NMOS晶体管131的闸极G之间的线路经过一电阻R接地,且第二端101与NMOS晶体管131的闸极G之间的线路还连接至电压脚142,NMOS晶体管131的源极S接地,NMOS晶体管131的汲极D连接PMOS晶体管130的闸极G,PMOS晶体管130的汲极D连接电源脚140,电源12的正极与PMOS晶体管130的源极S之间的线路经过一电阻R与PMOS晶体管130的闸极G及NMOS晶体管131的汲极D之间的线路形成节点接着连接至信号脚141。The anode of the power supply 12 is respectively connected to the source S of the PMOS transistor 130 and the first terminal 100 of the variable resistor 10, the second terminal 101 of the variable resistor 10 is connected to the gate G of the NMOS transistor 131, and the second terminal 101 is connected to the gate G of the NMOS transistor 131. The line between the gate G of the NMOS transistor 131 is grounded through a resistor R, and the line between the second terminal 101 and the gate G of the NMOS transistor 131 is also connected to the voltage pin 142, the source S of the NMOS transistor 131 is grounded, and the NMOS transistor 131 The drain D of the PMOS transistor 130 is connected to the gate G of the PMOS transistor 130, and the drain D of the PMOS transistor 130 is connected to the power supply pin 140. The wiring forming node between the gate G and the drain D of the NMOS transistor 131 is then connected to the signal pin 141 .
其中,可变电阻10的第二端101与NMOS晶体管131的闸极G之间的线路串联一反向回路放大器102后连接电压脚142。当电压进入反向回路放大器102后电压值经过处理,使电压的变化形成更易于判读的线性起伏。Wherein, the line between the second end 101 of the variable resistor 10 and the gate G of the NMOS transistor 131 is connected in series with a reverse loop amplifier 102 and then connected to the voltage pin 142 . After the voltage enters the reverse loop amplifier 102, the voltage value is processed to make the voltage change form a linear fluctuation that is easier to interpret.
本实施例的省电电路1的电流流通方式为,在可变电阻10受到压力后,因压力变化使得可变电阻10内部的阻值开始变小,接着因电路分压定理,使得NMOS晶体管131的闸极G受到电压而使NMOS晶体管131的汲极D与源极S导通,由于NMOS晶体管131的源极S接地,使PMOS晶体管130的闸极G准位降低进而导通PMOS晶体管130的汲极D与源极S,使电源脚140接收电源。The current flow mode of the power saving circuit 1 in this embodiment is that after the variable resistor 10 is under pressure, the internal resistance of the variable resistor 10 starts to decrease due to the pressure change, and then due to the circuit voltage division theorem, the NMOS transistor 131 The gate G of the NMOS transistor 131 is subjected to a voltage to conduct the drain D and the source S of the NMOS transistor 131. Since the source S of the NMOS transistor 131 is grounded, the level of the gate G of the PMOS transistor 130 is lowered to turn on the PMOS transistor 130. The drain D and the source S enable the power pin 140 to receive power.
可变电阻10的第二端101的电压能够被处理模块14的电压脚142接收。处理模块14控制信号脚141发出低准位电压使PMOS晶体管130的闸极G为低准位,进而使PMOS晶体管130的汲极D与源极S保持导通(此时第一可变电阻10无论有无受到压力,处理模块14仍可接收到电源)。The voltage of the second terminal 101 of the variable resistor 10 can be received by the voltage pin 142 of the processing module 14 . The processing module 14 controls the signal pin 141 to send a low-level voltage to make the gate G of the PMOS transistor 130 be at a low level, and then keep the drain D and the source S of the PMOS transistor 130 turned on (at this time, the first variable resistor 10 The processing module 14 can still receive power regardless of whether it is stressed).
虽然可变电阻10未受到压力时,可变电阻10的电阻变回无限大,且可变电阻10至处理模块14的电压脚142的线路为断路以及NMOS晶体管131的汲极D与源极S不导通,但是PMOS晶体管130的闸极G受到信号脚141提供低准位的影响,根据PMOS晶体管130的特性,PMOS晶体管130的汲极D与源极S持续导通,使电源脚140为导通状态,因此当导通电流后,电源12的关闭由处理模块14控制。Although the variable resistor 10 is not under pressure, the resistance of the variable resistor 10 becomes infinite, and the line from the variable resistor 10 to the voltage pin 142 of the processing module 14 is open circuit and the drain D and source S of the NMOS transistor 131 It is not conducting, but the gate G of the PMOS transistor 130 is affected by the low level provided by the signal pin 141. According to the characteristics of the PMOS transistor 130, the drain D and the source S of the PMOS transistor 130 are continuously conducted, so that the power supply pin 140 is Therefore, when the current is turned on, the shutdown of the power supply 12 is controlled by the processing module 14.
当电子装置电路11需要关闭电源,处理模块14只要控制信号脚141发出高准位电压,根据PMOS晶体管130的特性,PMOS晶体管130的闸极G受到信号脚141高准位电压的影响PMOS晶体管130的汲极D与源极S形成不导通,进而使处理模块14与电源12断路,根据图2所示,在关闭状态PMOS晶体管130的闸极G与源极S同时是高准位。When the electronic device circuit 11 needs to be powered off, the processing module 14 only needs to control the signal pin 141 to send a high-level voltage. According to the characteristics of the PMOS transistor 130, the gate G of the PMOS transistor 130 is affected by the high-level voltage of the signal pin 141. The PMOS transistor 130 The drain D of the PMOS transistor 130 and the source S are non-conductive, thereby disconnecting the processing module 14 and the power supply 12. As shown in FIG.
电子装置电路11关闭方式能够选择为,若一段时间后电压脚142所侦测的电压值持续为零, 则通过设定信号脚141为高准位电压,以关闭电流来源。The closing mode of the electronic device circuit 11 can be selected as follows: if the voltage value detected by the voltage pin 142 remains zero after a period of time, the current source is turned off by setting the signal pin 141 as a high level voltage.
请参阅图3,省电电路1可应用于一电子设备2中,电子设备2由一壳体20将省电电路1及电子装置电路11容纳于内部。电子设备2的壳体20上具有一默认触碰区21,可变电阻10被设置成使用者碰触默认触碰区21时受感应,电子装置电路11能够根据省电电路1所侦测的可变电阻10电压值的改变进而控制电子设备2。Please refer to FIG. 3 , the power saving circuit 1 can be applied in an electronic device 2 , and the electronic device 2 contains the power saving circuit 1 and the electronic device circuit 11 inside a casing 20 . The casing 20 of the electronic device 2 has a default touch area 21, the variable resistor 10 is set to be sensed when the user touches the default touch area 21, and the circuit 11 of the electronic device can be detected by the power saving circuit 1. The change of the voltage value of the variable resistor 10 further controls the electronic device 2 .
进一步说明,默认触碰区21为用户在使用电子产品时,电子产品与身体接触或是与物体接触的位置。To further illustrate, the default touch area 21 is a position where the electronic product is in contact with the body or an object when the user is using the electronic product.
请参阅图4,所述电子设备2能够是一种触控笔3,其包括一笔杆30、一位于笔杆30的一端的触控笔尖31,可变电阻10连接于触控笔尖31,所述省电电路1与电子装置电路11均位于笔杆30内。Referring to FIG. 4, the electronic device 2 can be a stylus 3, which includes a pen holder 30, a stylus tip 31 located at one end of the pen holder 30, and a variable resistor 10 connected to the stylus tip 31. Both the power saving circuit 1 and the electronic device circuit 11 are located in the pen holder 30 .
根据图5显示,触控笔尖31与可变电阻10被设置成当使用者将触控笔3的触控笔尖31接触物体时可变电阻10被挤压,借此可变电阻10除了能够感应触控笔3的笔触还能够做为触控笔3的开关。According to FIG. 5 , the stylus tip 31 and the variable resistor 10 are arranged so that when the user touches the stylus tip 31 of the stylus 3 to the object, the variable resistor 10 is squeezed, whereby the variable resistor 10 can sense The strokes of the stylus 3 can also be used as a switch of the stylus 3 .
为使触控笔3能够与电子装置链接以感测用户的笔触,触控笔包括一连接电子装置电路11的无线模块34,用以提供电子装置电路11与电子装置沟通。In order to enable the stylus 3 to link with the electronic device to sense the user's strokes, the stylus includes a wireless module 34 connected to the circuit 11 of the electronic device to provide communication between the circuit 11 of the electronic device and the electronic device.
本发明的省电电路1具备下列优点:The power saving circuit 1 of the present invention has the following advantages:
一、本发明的省电电路1提高电子设备2的待机时间。1. The power saving circuit 1 of the present invention increases the standby time of the electronic device 2 .
二、本发明的省电电路1使可变电阻10除了能够用来感测压力,还能做为电子设备2的开关,使电子设备2省去一构件,并且借此节省制造时间与经费。2. The power-saving circuit 1 of the present invention enables the variable resistor 10 to be used not only for sensing pressure, but also as a switch for the electronic device 2, so that the electronic device 2 saves a component, thereby saving manufacturing time and cost.
三、本发明的省电电路1应用于触控笔3时,触控笔3使用方式与一般书写笔一样直觉,随取随用,不需要有另外的动作打开电源,借以提升使用者的日常体验。3. When the power-saving circuit 1 of the present invention is applied to the stylus 3, the use of the stylus 3 is as intuitive as that of a general writing pen. experience.
四、由于本发明的电子设备2及触控笔3外表面上不需要设置开关,因此能够使得外观设计更不受限制。4. Since the electronic device 2 and the stylus 3 of the present invention do not need a switch on the outer surface, the appearance design can be made more unlimited.
有鉴于所述优点,通过结合本发明的省电电路1的电子设备2在市场上受消费者欢迎是可期的,为使公众能享受此技艺所带来的利益,盼贵承审委员能早日准予本案的专利申请,实感德便。In view of the above advantages, it is expected that the electronic equipment 2 combined with the power-saving circuit 1 of the present invention will be popular with consumers in the market. In order to enable the public to enjoy the benefits brought by this technology, I hope that the review committee can It is really convenient to approve the patent application of this case as soon as possible.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510122246.0ACN106033968A (en) | 2015-03-19 | 2015-03-19 | Power-saving circuit and electronic equipment with power-saving circuit |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510122246.0ACN106033968A (en) | 2015-03-19 | 2015-03-19 | Power-saving circuit and electronic equipment with power-saving circuit |
| Publication Number | Publication Date |
|---|---|
| CN106033968Atrue CN106033968A (en) | 2016-10-19 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510122246.0APendingCN106033968A (en) | 2015-03-19 | 2015-03-19 | Power-saving circuit and electronic equipment with power-saving circuit |
| Country | Link |
|---|---|
| CN (1) | CN106033968A (en) |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | Application publication date:20161019 | |
| WD01 | Invention patent application deemed withdrawn after publication |