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Sensor control method and device

A control method and sensor technology, applied in the computer field, can solve the problems of power consumption of portable devices, limited battery power, excessive power consumption, etc., and achieve the effects of reducing wake-up times, reducing power consumption, and increasing battery life.

Inactive Publication Date: 2015-01-21
ZTE CORP
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AI Technical Summary

Problems solved by technology

[0003] While sensors bring various intelligent functions to portable devices, they also bring battery life problems. All kinds of portable devices are generally powered by batteries, and the battery power is limited, and various sensors need frequent work. For example, ambient light sensors It is necessary to constantly monitor the brightness of the ambient light in order to adjust the brightness of the LCD in time, which consumes the power of portable devices
[0004] figure 1 is a schematic diagram of a portable device control circuit in the prior art, figure 1 The various sensors 3 and the application processor 1 are directly connected through the interface circuit 2, and the various signal processing of the sensor needs to be completed by the application processor. In the portable device, the application processor is in a sleep state most of the time, so as to reduce the power consumption as much as possible. Consumption, and the application processor is frequently woken up from sleep mode, which will consume too much power

Method used

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Embodiment Construction

[0028] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0029] In order to solve the above-mentioned problems in the prior art, the present invention provides a sensor control method and device. A low-power microcontroller is added between the sensor and the application processor, and the sensor is used to complete the control of the peripheral sensors. At the same time, the microcontroller The controller communicates with the application processor, and the microcontroller can be an 8-bi...

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Abstract

A control method for sensors comprises: a sensor (4) converts collected analog information to digital information; a low power consumption microcontroller (2) collects the digital information via an interface circuit (3), processes the digital information, and transmits the processed digital information to an application processor (1) via the interface circuit (3); the application processor (1) performs control operation according to the processed digital information. A control device for sensors is also provided.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a sensor control method and device. Background technique [0002] Currently, portable devices are becoming more and more popular in people's daily life. Taking smart phones as an example, it plays an increasingly important role in people's daily life. Smartphones are becoming more and more "smart" as they become popular. For example, smartphones can adjust the LCD brightness of the phone according to the light intensity of the external environment in order to obtain a better user experience; they can also adjust the LCD display content according to the placement of the phone. , adjust to display in landscape or portrait mode; you can judge the direction of the mobile phone according to the position where the mobile phone is placed, so that the mobile phone can have functions such as a compass. The realization of these functions depends on an important component in the mobile p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042H04M1/72454
CPCG05B19/0423H04M1/72454Y02D30/70
Inventor 张涛
Owner ZTE CORP
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