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Battery voltage detection circuit, method for maintaining CDMA communication waveforms and medium

A technology of battery voltage detection and CDMA communication, applied in the direction of measuring current/voltage, measuring only voltage, measuring device, etc., can solve the problems of low communication success rate and low efficiency, etc.

Active Publication Date: 2018-12-25
合肥市贵谦信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, obtaining the battery voltage regularly requires polling with a timer, which is inefficient and has a low communication success rate

Method used

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  • Battery voltage detection circuit, method for maintaining CDMA communication waveforms and medium
  • Battery voltage detection circuit, method for maintaining CDMA communication waveforms and medium
  • Battery voltage detection circuit, method for maintaining CDMA communication waveforms and medium

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] See figure 1 , figure 1 The present invention discloses a structural block diagram of a battery voltage detection circuit of a mobile terminal, such as figure 1 As shown, a battery voltage detection circuit is applied to a mobile terminal, and the battery voltage detection circuit includes:

[0043] The sensing component 100, the sensing component 100 includes a battery voltage-related resistor RM, a first resistor R1, a second resistor R2, a third resistor R3, a first variable resistor Ra and a second variable resistor Rb, the battery voltage correlated One end of the resistor RM is connected to a fixed power supply voltage Vref, and the other end is grounded to GND through the first resistor R1. After the resistor Rb is connected in series with the third resistor R3, both ends are respectively connected to the power supply voltage Vref and the ground GND;

[0044] The first comparator 300, the first comparator 300 includes a first input pin IN1, a second input pin ...

Embodiment 2

[0083] The embodiment of the present invention also provides a mobile terminal, such as image 3 As shown, the mobile terminal in this embodiment of the present invention may be a mobile phone (or a tablet), wherein the mobile terminal in this embodiment includes a battery voltage detection circuit (not shown in the figure), a central processing unit 200 and the central processing unit 200 connected memory 500;

[0084] The battery voltage detection circuit is the battery voltage detection circuit in the first embodiment above.

[0085] The memory 500 stores the correspondence table of the battery voltage, the voltage at the node between the battery voltage-related resistor RM and the first resistor R1, and maintains the CDMA communication waveform program of the mobile terminal. The CDMA communication of the mobile terminal maintains When the waveform program is executed by the central processing unit 200, it is used to realize the method for maintaining the CDMA communicati...

Embodiment 3

[0088] The present invention also provides a machine-readable storage medium, on which a computer program is stored, and when the computer program is executed by the central processing unit, the method for maintaining the CDMA communication waveform of the mobile terminal described in the above steps S100 to S400 is implemented; specifically as described above stated.

[0089] In summary, the present invention provides a battery voltage detection circuit and a method and medium for maintaining CDMA communication waveforms. The battery voltage detection circuit includes an induction component, a first comparator, a second comparator, and a central processing unit, Applied to a mobile terminal, it is used to realize the method of maintaining the CDMA communication waveform of the mobile terminal, and the method includes that the central processor regularly detects the first voltage of the node between the battery voltage-related resistance RM and the first resistance R1 through t...

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Abstract

The invention discloses a battery voltage detection circuit, a method for maintaining CDMA communication waveforms and a medium. The method comprises the steps that a central processing unit detects the first voltage V1 of a node between battery voltage associated resistor RM and first resistor R1 in a timing mode, and a battery voltage value of a mobile terminal is obtained through the relation table of the battery voltage of the battery voltage associated resistor RM and the voltage V1; then the battery voltage condition is monitored through a battery voltage detector; and the reference voltages of CDMA are adjusted according to battery voltages. Accordingly, the reference voltages are different when the battery voltages are different, the waveforms of the CDMA are kept, the communication requirement is met, and the communication success rate is improved.

Description

technical field [0001] The invention relates to the technical field of mobile terminals, in particular to a battery voltage detection circuit, a method and a medium for maintaining CDMA communication waveforms. Background technique [0002] With the development of mobile communication and the improvement of people's living standards, CDMA has become the main mobile communication technology in China. Since CDMA uses pure digital communication, it has stricter requirements on the waveform of communication. Compared with traditional GSM communication, if the communication When the edge and level of the waveform are different from the actual required waveform, it will cause communication failure. Since the mobile terminal is powered by a battery, when the battery voltage is high or low, its CDMA reference level will be different, which will easily lead to differences in waveforms and communication failure. In the prior art, the method of detecting the battery voltage of the mob...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R19/00G05F1/10
CPCG01R19/0084G05F1/10
Inventor 俞斌杨维琴
Owner 合肥市贵谦信息科技有限公司