Control circuits and electronic equipment
A control circuit and switch control technology, applied in the field of circuits, can solve problems such as uncontrollable shutdown of communication modules, and achieve the effect of improving user experience and saving power resources
Active Publication Date: 2021-10-12
QUECTEL WIRELESS SOLUTIONS
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Problems solved by technology
[0004] The purpose of the embodiments of the present invention is to provide a control circuit and electronic equipment to solve the problem that the communication module in the power-on state cannot be controlled to shut down when the application module is in the power-off state
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[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, various implementation modes of the present invention will be described in detail below in conjunction with the accompanying drawings. However, those of ordinary skill in the art can understand that, in each implementation manner of the present invention, many technical details are provided for readers to better understand the present application. However, even without these technical details and various changes and modifications based on the following implementation modes, the technical solution claimed in this application can also be realized. The division of the following embodiments is for the convenience of description, and should not constitute any limitation to the specific implementation of the present invention, and the various embodiments can be combined and referred to each other on the premise of no contradiction.
[0021] A first embodiment ...
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The embodiment of the invention relates to the field of circuit technology, and discloses a control circuit and electronic equipment. The control circuit is electrically connected between the application module and the communication module. The control circuit includes: a first switch, a second switch, a third switch, a fourth switch, an adjustment resistor and an adjustment capacitor. When the application module is in a power-off state, and When the communication module is in the power-on state, the control circuit is used to make the switch control terminal of the communication module receive low level and high level successively at intervals of preset time to simulate the action of pressing and releasing the communication module switch key, thereby controlling the communication When the module is turned off, it is no longer necessary to wait until the battery power of the smart device is completely consumed, so that the application module and the communication module are both in the shutdown state, so that the state of the application module and the communication module can be unified, which improves the user experience. And save power resources.
Description
technical field [0001] The embodiments of the present invention relate to the technical field of circuits, in particular to control circuits and electronic equipment. Background technique [0002] With the rapid development of 5G networks, major operators have successively launched various terminal devices that support 5G networks, including handheld 5G smart devices, such as POS machines and law enforcement devices, etc. Smart devices mainly include application modules and communication modules. There are two parts, the application module is mainly used to realize multimedia functions such as display, dialing, recording and video recording, and the communication module contains a modem of 5G network, which is mainly used to communicate with other devices. Usually, the application module is used as the main control terminal. The user can control the application module to be turned on or off by pressing the power button of the application module. Control the communication mo...
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IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/21119
Inventor 万博雨张栋郑雷
Owner QUECTEL WIRELESS SOLUTIONS