WO2016131298A1 - 一种具有多种灯光功能的终端 - Google Patents

一种具有多种灯光功能的终端 Download PDF

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Publication number
WO2016131298A1
WO2016131298A1 PCT/CN2015/092729 CN2015092729W WO2016131298A1 WO 2016131298 A1 WO2016131298 A1 WO 2016131298A1 CN 2015092729 W CN2015092729 W CN 2015092729W WO 2016131298 A1 WO2016131298 A1 WO 2016131298A1
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terminal
processing unit
application processing
control command
switch
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PCT/CN2015/092729
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English (en)
French (fr)
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高婧
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中兴通讯股份有限公司
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Publication of WO2016131298A1 publication Critical patent/WO2016131298A1/zh

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source

Definitions

  • Embodiments of the present invention relate to, but are not limited to, the field of communications, and in particular, to a terminal having multiple lighting functions.
  • more and more terminals that focus on the self-timer function are equipped with a high-pixel, high-sensitivity front camera and a flash-optimized camera brightness in order to highlight the self-timer highlights.
  • the front camera and flash of the terminal are generally placed in the upper position of the front of the terminal.
  • the structure is opened at the position of the flash according to the shape of the terminal, and the hardware layout is performed according to the structure opening position.
  • the layout space of the terminal is limited, and it is necessary to place devices such as a light sensor, a flash lamp, an indicator light, an earpiece, an earphone, and a front camera in a limited area.
  • devices such as a light sensor, a flash lamp, an indicator light, an earpiece, an earphone, and a front camera in a limited area.
  • Different devices need to have different structure opening positions and sizes, and the hardware modules need to be different.
  • the matching filter circuit should also fully consider the interference problem between modules when laying out.
  • Embodiments of the present invention provide a terminal having a plurality of lighting functions capable of emitting a plurality of lights through separate light emitting elements.
  • Embodiments of the present invention provide a terminal having a plurality of lighting functions, the terminal including an application processing unit, a driving circuit connected to the application processing unit, a switching switch connected to the driving circuit, and a light emitting component connected to the switching switch.
  • the driving circuit includes a first driving circuit and a second driving circuit respectively connected to the switching switch, and the application processing unit is connected to the switching switch;
  • the application processing unit is configured to collect a usage state of the terminal, and send a control command to the driving circuit;
  • the application processing unit is further configured to send a switch control signal to the switch to switch the path according to the usage state of the terminal.
  • the application processing unit collects a usage status of the terminal, and sending the control command to the driving circuit includes:
  • the application processing unit sends a first control command to the first driving circuit;
  • the first usage state is a front camera flash, and the first control command is an instant enable signal.
  • the application processing unit collects a usage status of the terminal, and sending the control command to the driving circuit includes:
  • the application processing unit sends a second control command to the first driving circuit; the second usage state is to turn on the flashlight, and the second control command may be a continuous enable signal.
  • the application processing unit collects a usage status of the terminal, and sending the control command to the driving circuit includes:
  • the application processing unit sends a third control command to the second driving circuit;
  • the third usage state is at least one of the following: the terminal is in a charging state, and the terminal has unread information.
  • the terminal has a missed call;
  • the third control command is a continuous enable signal.
  • the application processing unit collects a usage status of the terminal, and sending the control command to the driving circuit includes:
  • the application processing unit sends a fourth control command to the second driving circuit;
  • the fourth usage state is at least one of the following: the terminal is in a charging state, and the terminal has unread information.
  • the terminal has a missed call;
  • the fourth control command is a pulse width modulation PWM command.
  • the application processing unit sends a switch control signal to the switch to switch the path according to the usage state of the terminal, where:
  • the second switch control command is sent to the switch, and the second switch control command is set to switch the second drive circuit to be turned on.
  • the first driving circuit is configured to output a first driving signal when receiving the first control command of the application processing unit, and when receiving the second control command sent by the application processing unit Outputting a second driving signal
  • the second driving circuit is configured to output a third driving signal when receiving the third control command of the application processing unit, and when receiving the fourth sending by the application processing unit And outputting a fourth driving signal, wherein the first driving signal, the second driving signal, the third driving signal, and the fourth driving signal are current signals, and the first driving signal is greater than the third driving signal and a four drive signal, the second drive signal being greater than the third drive signal and the fourth drive signal.
  • the first driving circuit comprises a first driving module
  • the second driving circuit comprises a second driving module
  • the application processing unit comprises a first signal output port and a second signal output port respectively and a first driving The module is connected to the second drive module.
  • the first driving module is a flash driving chip
  • the second driving module is a constant current source.
  • the application processing unit includes a third signal output port, and the third signal output port is connected to the switch.
  • the application processing unit inputs different enabling signals to the driving circuit.
  • the different driving modules are turned on to supply different currents to the light-emitting elements, thereby realizing that the light-emitting elements emit different lights.
  • FIG. 1 is a schematic structural view of a terminal having multiple lighting functions according to an embodiment of the invention
  • FIG. 2 is a schematic diagram of a terminal circuit having multiple lighting functions according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of the working principle of a terminal having multiple lighting functions according to an embodiment of the invention.
  • FIG. 1 is a schematic structural diagram of a terminal having multiple lighting functions according to an embodiment of the present invention.
  • the application processing unit 101 includes a driving circuit 102 connected to the application processing unit 101 and a switching switch 103 connected to the driving circuit 102. And connecting the light-emitting element 104 to the switch 103, the driving circuit includes a first driving circuit (such as the driving circuit 1) 1021 and a second driving circuit (such as the driving circuit 2) 1022 respectively connected to the switching switch 103, and the processing unit 101 is applied.
  • the application processing unit 101 is configured to collect the usage state of the terminal, and send a control command to the driving circuit.
  • the application processing unit 101 is further configured to collect the usage state of the terminal, and send a switch control signal to the switch for switching the first The driving circuit or the second driving circuit is turned on.
  • FIG. 2 is a schematic diagram of a terminal circuit having multiple light functions according to an embodiment of the present invention, as shown in FIG. 2 .
  • the application processing unit in this embodiment includes a first output pin GPIO1, a second output pin GPIO2, and a third output pin GPIO3.
  • the first driving circuit includes a first driving module, and the first driving module includes a pin ENABLE (enable) end and an LED end, wherein the pin ENABLE end is connected to the first output pin GPIO1, and the LED end is connected with the switch.
  • the second driving circuit includes a second driving module. The signal input end of the second driving module is connected to the second output pin GPIO2, and the signal output end is connected to the other contact pin of the switching switch.
  • the application processing unit may be a microprocessor, and the model may be, for example, an MSM8916; the first driving module is a flash driving chip, and the model thereof may be, for example, an LM3642; the second driving module is a low current constant current source, and its model number For example, it can be PM8916.
  • the application processing unit collects the usage status of the terminal and sends a control command to the driving circuit, where:
  • the application processing unit sends the first control command to the first driving circuit;
  • the first use state may be to turn on the front camera flash, and the first control command may be an instant enable signal (from Figure 2 shows the GPIO1 pin output of the processing unit).
  • the flash function is implemented by inputting an instantaneous enable signal to the first driving module to control the first driving module to be turned on instantaneously;
  • the application processing unit sends a second control command to the first driving circuit;
  • the second usage state may be to turn on the flashlight, and the second control command may be a continuous enable signal (from FIG. 2 Apply the processing unit's GPIO1 pin output).
  • the flashlight function is implemented by inputting a continuous enable signal to the first driving module to control the first driving module to continuously turn on;
  • the third control command is sent to the second driving circuit;
  • the third usage state may be at least one of the following: the terminal is in a charging state, the terminal has unread information, and the terminal has a missed call.
  • the third control command is a continuous enable signal (output from the GPIO2 pin of the application processing unit in FIG. 2).
  • the second drive module is continuously turned on by inputting a continuous enable signal to the second drive module to implement the indication.
  • the fourth usage state When the usage state of the terminal is the fourth usage state, sending the fourth control command to the second driving circuit; the fourth usage state may be at least one of the following: the terminal is in a charging state, the terminal has unread information, and the terminal has a missed call.
  • the fourth control command is Pulse Width Modulation (output from the GPIO2 pin of the application processing unit in FIG. 2).
  • the second drive is controlled by inputting a pulse width modulation PWM to the second driving module. The module turns on and off for a period of time to implement the flashing light function.
  • the application processing unit further sends a switch control signal to the switch according to the use state of the terminal to switch the first drive circuit or the second drive circuit to be turned on, wherein: when the use state of the terminal is the first use state or the second use state, Sending a first switch control command to the switch, the first switch control command is an enable signal input to the switch, so that the switch is switched, and the first drive circuit is switched on; when the use state of the terminal is the third use In the state or the fourth usage state, the second switch control command is sent to the switch, and the second switch control command is a low level signal input to the switch, so that the switch is switched, and the second drive circuit is turned on.
  • the switch is a single-pole double-throw switch, and the model number can be, for example, AAT4674.
  • a first driving circuit configured to output a first driving signal when receiving the first control command of the application processing unit, and output a second driving signal, the first driving signal when receiving the second control command of the application processing unit
  • the second driving signal is a high current signal, which is about 100 mA in this embodiment
  • the first control command is used to cause the first driving circuit to output an instantaneous large current, for example, as a front camera flash function
  • the second control command is used to make the first A drive circuit outputs a continuous high current, for example Such as the performance of the flashlight.
  • a second driving circuit configured to: when receiving the third control command of the application processing unit, output a third driving signal; when receiving the fourth control command of the application processing unit, output the fourth driving signal, the third driving signal and
  • the fourth driving signal is a low current signal, which is about 10 mA in this embodiment;
  • the third control command is used to cause the second driving circuit to output a continuous small current, for example, the indicator light is always on (for example, indicating that the power is full);
  • the four control commands are used to cause the second drive circuit to output a PWM pulse current, for example, as an indicator blinking function.
  • the first driving circuit when the flash or the flashlight is used, the first driving circuit outputs a large current to illuminate the light emitting element; when the indicator light or the flashing light is used, the second driving circuit outputs the small current bright light emitting element.
  • the light emitting element may be a light emitting diode (LED).
  • the LEDs exhibit different brightness and blinking states according to the control signals output by the drive control unit.
  • the working steps of implementing the flash and the indicator light in the embodiment of the present invention include:
  • Step S201 The application processor module collects user requirements, and determines that a flash function or an indicator light function needs to be implemented;
  • Step S202 Send an enable signal to the driving circuit 1 when the demand is a flash, and send an enable signal to the driving circuit 2 when the indicator light is needed;
  • Step S203 the first driving circuit and the second driving circuit output corresponding driving signals according to signals sent by the application processor unit;
  • Step S204 The switch is switched according to the user demand to switch the first driving circuit or the second driving circuit to be turned on;
  • Step S205 The LED is lit to realize the flash function or the indicator light function.
  • the application processing unit by setting an application processing unit in the terminal, a driving circuit connected to the application processing unit, a switching switch connected to the driving circuit, and a light emitting component connected to the switching switch, the application processing unit inputs different enabling signals to the driving circuit.
  • Different driving modules are turned on to supply different currents to the light-emitting elements, thereby realizing different light emitted by the light-emitting elements and saving terminal space.

Abstract

本发明实施例公布了一种具有多种灯光功能的终端，所述终端包括应用处理单元，与应用处理单元连接的驱动电路，与驱动电路连接的切换开关，及与驱动开关连接的发光元件，所述驱动电路包括分别与切换开关连接的第一驱动电路和第二驱动电路，所述终端还包括与切换开关连接的开关控制电路，所述开关控制电路与应用处理单元连接；所述应用处理单元设置为采集终端的使用状态，发送控制命令至驱动电路；所述应用处理单元还设置为根据终端的使用状态，发送开关控制信号至切换开关切换通路。

Description

一种具有多种灯光功能的终端 技术领域
本发明实施例涉及但不限于通讯领域，尤其涉及一种具有多种灯光功能的终端。
背景技术
目前越来越多主打自拍功能的终端为了凸显自拍亮点，配以高像素、高感光度的前置摄像头，并配备闪光灯优化暗光下拍照亮度。终端的前置摄像头以及闪光灯一般都会放置在终端前面靠上方的位置，结构根据终端造型在闪光灯所在位置开孔，硬件根据结构开孔位置进行器件布局。
但是终端布局空间有限，需要在有限的区域内放置接近光传感器、闪光灯、指示灯、听筒、耳机和前摄像头等器件，不同的器件需要对应不同的结构开孔位置和大小，硬件各个模块需要不同的匹配滤波电路，布局时还要充分考虑各模块间的干扰问题，上述这些问题对于结构、硬件布局以及走线来说都是很大挑战。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本发明实施例提供一种具有多种灯光功能的终端，能够通过单独的发光元件发出多种灯光。
本发明实施例提供一种具有多种灯光功能的终端，所述终端包括应用处理单元，与应用处理单元连接的驱动电路，与驱动电路连接的切换开关，及与切换开关连接的发光元件，所述驱动电路包括分别与切换开关连接的第一驱动电路和第二驱动电路，所述应用处理单元与切换开关连接；
所述应用处理单元设置为采集终端的使用状态，发送控制命令至驱动电路；
所述应用处理单元还设置为根据终端的使用状态，发送开关控制信号至切换开关以切换通路。
可选的，其中，所述应用处理单元采集终端的使用状态，发送控制命令至驱动电路包括：
当终端的使用状态为第一使用状态时，所述应用处理单元发送第一控制命令至第一驱动电路；所述第一使用状态为开启前摄像头闪光灯，第一控制命令为瞬间使能信号。
可选的，其中，所述应用处理单元采集终端的使用状态，发送控制命令至驱动电路包括：
当终端的使用状态为第二使用状态时，所述应用处理单元发送第二控制命令至第一驱动电路；所述第二使用状态为开启手电筒，第二控制命令可以为持续使能信号。
可选的，其中，所述应用处理单元采集终端的使用状态，发送控制命令至驱动电路包括：
当终端的使用状态为第三使用状态时，所述应用处理单元发送第三控制命令至第二驱动电路；所述第三使用状态为以下至少之一：终端处于充电状态、终端存在未读信息、终端存在未接来电；所述第三控制命令为持续使能信号。
可选的，其中，所述应用处理单元采集终端的使用状态，发送控制命令至驱动电路包括：
当终端的使用状态为第四使用状态时，所述应用处理单元发送第四控制命令至第二驱动电路；所述第四使用状态为以下至少之一：终端处于充电状态、终端存在未读信息、终端存在未接来电；所述第四控制命令为脉冲宽度调制PWM命令。
可选的，其中，所述应用处理单元根据终端的使用状态，发送开关控制信号至切换开关以切换通路包括：
当终端的使用状态为第一使用状态或者第二使用状态时，发送第一开关控制命令至切换开关，所述第一开关控制命令设置为切换第一驱动电路导通；
当终端的使用状态为第三使用状态或者第四使用状态时，发送第二开关控制命令至切换开关，所述第二开关控制命令设置为切换第二驱动电路导通。
可选的，其中，所述第一驱动电路，设置为当接收到应用处理单元的第一控制命令时，输出第一驱动信号，以及当接收到所述应用处理单元发送的第二控制命令时，输出第二驱动信号；所述第二驱动电路，设置为当接收到所述应用处理单元的第三控制命令时，输出第三驱动信号，以及当接收到所述应用处理单元发送的第四控制命令时，输出第四驱动信号；其中，所述第一驱动信号、第二驱动信号、第三驱动信号和第四驱动信号为电流信号，所述第一驱动信号大于第三驱动信号和第四驱动信号，所述第二驱动信号大于第三驱动信号和第四驱动信号。
可选的，其中，所述第一驱动电路包括第一驱动模块，第二驱动电路包括第二驱动模块，所述应用处理单元包括第一信号输出端口和第二信号输出端口分别与第一驱动模块和第二驱动模块连接。
可选的，其中，所述第一驱动模块为闪光灯驱动芯片，所述第二驱动模块为恒定电流源。
可选的，其中，所述应用处理单元包括第三信号输出端口，所述第三信号输出端口与切换开关连接。
本发明实施例通过在终端设置应用处理单元，与应用处理单元连接的驱动电路，与驱动电路连接的切换开关，及与切换开关连接发光元件，应用处理单元对驱动电路输入不同的使能信号控制不同的驱动模块导通为发光元件供入不同的电流，从而实现发光元件发出不同的光。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图概述
图1为发明实施例具有多种灯光功能的终端结构示意图；
图2为本发明实施例具有多种灯光功能的终端电路示意图；
图3为发明实施例具有多种灯光功能的终端的工作原理示意图。
本发明的实施方式
下面结合附图对本发明实施例进行详细描述，并不能用来限制本发明的保护范围。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各种方式可以相互组合。
图1为本发明实施例具有多种灯光功能的终端结构示意图，如图1所示，包括应用处理单元101，与应用处理单元101连接的驱动电路102，与驱动电路102连接的切换开关103，及与切换开关103连接发光元件104，驱动电路包括分别与切换开关103连接的第一驱动电路(如图驱动电路一)1021和第二驱动电路(如图驱动电路二)1022，应用处理单元101与切换开关103连接；应用处理单元101设置为采集终端的使用状态，发送控制命令至驱动电路；应用处理单元101还设置为采集终端的使用状态，发送开关控制信号至切换开关用于切换第一驱动电路或者第二驱动电路导通。
图2为本发明实施例具有多种灯光功能的终端电路示意图，如图2所示。本实施例中应用处理单元包括第一输出引脚GPIO1、第二输出引脚GPIO2、及第三输出引脚GPIO3。第一驱动电路包括第一驱动模块，第一驱动模块包括引脚ENABLE(使能)端及LED端，其中引脚ENABLE端与第一输出引脚GPIO1连接，LED端与切换开关一接触脚连接。第二驱动电路包括第二驱动模块，第二驱动模块的信号输入端与第二输出引脚GPIO2连接，信号输出端与切换开关另一接触脚连接。本实施例中应用处理单元可以为微处理器，其型号例如可以为MSM8916；第一驱动模块为闪光灯驱动芯片，其型号例如可以为LM3642；第二驱动模块为低电流的恒定电流源，其型号例如可以为PM8916。
如图3所示，工作时，应用处理单元采集终端的使用状态，发送控制命令至驱动电路，其中：
当终端的使用状态为第一使用状态时，应用处理单元发送第一控制命令至第一驱动电路；第一使用状态可以为开启前置摄像头闪光灯，第一控制命令可以为瞬间使能信号(从图2中应用处理单元的GPIO1引脚输出)。本实施例中通过向第一驱动模块输入瞬间使能信号来控制第一驱动模块瞬间开启来实现闪光灯功能；
当终端的使用状态为第二使用状态时，应用处理单元发送第二控制命令至第一驱动电路；第二使用状态可以为开启手电筒，第二控制命令可以为持续使能信号(从图2中应用处理单元的GPIO1引脚输出)。本实施例中通过向第一驱动模块输入持续使能信号来控制第一驱动模块持续开启来实现手电筒功能；
当终端的使用状态为第三使用状态时，发送第三控制命令至第二驱动电路；第三使用状态可以为以下至少之一：终端处于充电状态、终端存在未读信息、终端存在未接来电。第三控制命令为持续使能信号(从图2中应用处理单元的GPIO2引脚输出)，本实施例中通过向第二驱动模块输入持续使能信号来控制第二驱动模块持续开启从而实现指示灯长亮的功能；
当终端的使用状态为第四使用状态时，发送第四控制命令至第二驱动电路；第四使用状态可以为以下至少之一：终端处于充电状态、终端存在未读信息、终端存在未接来电，第四控制命令为脉冲宽度调制PWM(Pulse Width Modulation)(从图2中应用处理单元的GPIO2引脚输出)，本实施例中通过向第二驱动模块输入脉冲宽度调制PWM来控制第二驱动模块间隔一段时间开启和关闭实现闪烁灯功能。
应用处理单元还根据终端的使用状态，发送开关控制信号至切换开关以切换第一驱动电路或者第二驱动电路导通，其中：当终端的使用状态为第一使用状态或者第二使用状态时，发送第一开关控制命令至于切换开关，所述第一开关控制命令为向切换开关输入的使能信号，使得切换开关换路，切换第一驱动电路导通；当终端的使用状态为第三使用状态或者第四使用状态时，发送第二开关控制命令至于切换开关，所述第二开关控制命令为向切换开关输入的低电平信号，使得切换开关换路，切换第二驱动电路导通。其中切换开关为单刀双掷开关，型号例如可以为AAT4674。
第一驱动电路，设置为当接收到应用处理单元的第一控制命令时，输出第一驱动信号，以及当接收到应用处理单元的第二控制命令时，输出第二驱动信号，第一驱动信号和第二驱动信号均为高电流信号，本实施例为100mA左右；第一控制命令用于让第一驱动电路输出瞬时大电流，例如表现为前摄像头闪光灯功能；第二控制命令用于让第一驱动电路输出持续的大电流，例 如表现为手电筒功能。第二驱动电路，设置为当接收到应用处理单元的第三控制命令时，输出第三驱动信号；当接收到应用处理单元的第四控制命令时，输出第四驱动信号，第三驱动信号和第四驱动信号均为低电流信号，本实施例中为10mA左右；第三控制命令用于让第二驱动电路输出持续的小电流，例如表现为指示灯常亮(比如指示电充满)；第四控制命令用于让第二驱动电路输出PWM脉冲电流，例如表现为指示灯闪烁功能。其中，当使用闪光灯或者电筒时，第一驱动电路输出较大电流点亮发光元件；当使用指示灯或者闪烁灯时，第二驱动电路输出小电流亮发光元件。其中发光元件可以为发光二极管LED(Light Emitting Diode)。
LED根据驱动控制单元输出的控制信号，呈现不同的亮度以及闪烁状态。
如图3所示，本发明实施例的实现闪光灯和指示灯的工作步骤包括：
步骤S201：应用处理器模块采集用户需求，判别需要实现闪光灯功能或指示灯功能；
步骤S202：当需求为闪光灯时发送使能信号至驱动电路一，当需要为指示灯时发送使能信号至驱动电路二；
步骤S203：第一驱动电路和第二驱动电路根据应用处理器单元发出的信号输出相应的驱动信号；
步骤S204：切换开关根据用户需求切换第一驱动电路或者第二驱动电路导通；
步骤S205：LED点亮实现闪光灯功能或者指示灯功能。
工业实用性
本发明实施例通过在终端设置应用处理单元，与应用处理单元连接的驱动电路，与驱动电路连接的切换开关，及与切换开关连接发光元件，应用处理单元对驱动电路输入不同的使能信号控制不同的驱动模块导通为发光元件供入不同的电流，从而实现发光元件发出不同的光，且节约终端空间。

Claims (10)

  1. 一种具有多种灯光功能的终端，所述终端包括应用处理单元，与应用处理单元连接的驱动电路，与驱动电路连接的切换开关，及与切换开关连接的发光元件，所述驱动电路包括分别与切换开关连接的第一驱动电路和第二驱动电路，所述应用处理单元与切换开关连接；
    所述应用处理单元设置为采集终端的使用状态，发送控制命令至驱动电路；
    所述应用处理单元还设置为根据终端的使用状态，发送开关控制信号至切换开关以切换通路。
  2. 如权利要求1所述的终端，其中，所述应用处理单元采集终端的使用状态，发送控制命令至驱动电路包括：
    当终端的使用状态为第一使用状态时，所述应用处理单元发送第一控制命令至第一驱动电路；所述第一使用状态为开启前摄像头闪光灯；所述第一控制命令为瞬间使能信号。
  3. 如权利要求1所述的终端，其中，所述应用处理单元采集终端的使用状态，发送控制命令至驱动电路包括：
    当终端的使用状态为第二使用状态时，所述应用处理单元发送第二控制命令至第一驱动电路；所述第二使用状态为开启手电筒，第二控制命令为持续使能信号。
  4. 如权利要求1所述的终端，其中，所述应用处理单元采集终端的使用状态，发送控制命令至驱动电路包括：
    当终端的使用状态为第三使用状态时，所述应用处理单元发送第三控制命令至第二驱动电路；
    所述第三使用状态为以下至少之一：终端处于充电状态、终端存在未读信息、终端存在未接来电；
    所述第三控制命令为持续使能信号。
  5. 如权利要求1所述的终端，其中，所述应用处理单元采集终端的使用 状态，发送控制命令至驱动电路包括：
    当终端的使用状态为第四使用状态时，所述应用处理单元发送第四控制命令至第二驱动电路；
    所述第四使用状态为以下至少之一：终端处于充电状态、终端存在未读信息、终端存在未接来电；
    所述第四控制命令为脉冲宽度调制PWM命令。
  6. 如权利要求2至5任意一项所述的终端，其中，所述应用处理单元根据终端的使用状态，发送开关控制信号至切换开关以切换通路包括：
    当终端的使用状态为第一使用状态或者第二使用状态时，应用处理单元发送第一开关控制命令至切换开关，所述第一开关控制命令设置为切换第一驱动电路导通；
    当终端的使用状态为第三使用状态或者第四使用状态时，应用处理单元发送第二开关控制命令至切换开关，所述第二开关控制命令设置为切换第二驱动电路导通。
  7. 如权利要求2至5任意一项所述的终端，其中，
    所述第一驱动电路，设置为当接收到所述应用处理单元发送的第一控制命令时，输出第一驱动信号，以及当接收到所述应用处理单元发送的第二控制命令时，输出第二驱动信号；
    所述第二驱动电路，设置为当接收到所述应用处理单元发送的第三控制命令时，输出第三驱动信号，以及当接收到所述应用处理单元发送的第四控制命令时，输出第四驱动信号；
    其中，所述第一驱动信号、第二驱动信号、第三驱动信号和第四驱动信号为电流信号，所述第一驱动信号大于第三驱动信号和第四驱动信号，所述第二驱动信号大于第三驱动信号和第四驱动信号。
  8. 如权利要求1所述的终端，其中，所述第一驱动电路包括第一驱动模块，第二驱动电路包括第二驱动模块，所述应用处理单元包括第一信号输出端口和第二信号输出端口，分别与第一驱动模块和第二驱动模块连接。
  9. 如权利要求8所述的终端，其中，所述第一驱动模块为闪光灯驱动芯 片，所述第二驱动模块为恒定电流源。
  10. 如权利要求1所述的终端，其中，所述应用处理单元包括第三信号输出端口，所述第三信号输出端口与切换开关连接。
PCT/CN2015/092729 2015-07-10 2015-10-23 一种具有多种灯光功能的终端 WO2016131298A1 (zh)

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CN2882141Y (zh) * 2005-09-06 2007-03-21 海信集团有限公司 带多功能灯的便携式移动电话
CN104159359A (zh) * 2014-06-30 2014-11-19 青岛海信移动通信技术股份有限公司 一种手电筒驱动电路及移动终端
CN104301475A (zh) * 2013-07-17 2015-01-21 联芯科技有限公司 具有闪光灯和手电筒功能的移动终端

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2882141Y (zh) * 2005-09-06 2007-03-21 海信集团有限公司 带多功能灯的便携式移动电话
CN104301475A (zh) * 2013-07-17 2015-01-21 联芯科技有限公司 具有闪光灯和手电筒功能的移动终端
CN104159359A (zh) * 2014-06-30 2014-11-19 青岛海信移动通信技术股份有限公司 一种手电筒驱动电路及移动终端

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