Method And Mobile Terminal For Regulating Specific Absorption Rate By Using Sensor

• US 20140357207A1
• Filed: 04/11/2012
• Published: 12/04/2014
• Est. Priority Date: 02/09/2012
• Status: Abandoned Application

• Current Assignee: ZTE Corporation
• Original Assignee: ZTE Corporation
• Inventors: Ma, Xiaoqiang
• Application Number:
  US14/371,563
• Publication Number:
  US 20140357207A1
• Time in Patent Office: Days
• US Class Current: 455/127.2
• CPC Class Codes: H04B 1/3838 Arrangements for reducing RF exposure to the user, e.g. by changing the shape of the transceiver while in use
• CPC Class Codes: H04M 1/72403 with means for local support of applications that increase the functionality
• CPC Class Codes: H04M 2250/12 including a sensor for measuring a physical value, e.g. temperature or motion
• CPC Class Codes: H04W 52/146 Uplink power control
• CPC Class Codes: H04W 52/18 TPC being performed according to specific parameters
• CPC Class Codes: H04W 52/367 Power values between minimum and maximum limits, e.g. dynamic range
• CPC Class Codes: H04W 88/02 Terminal devices

Abstract

A method and a mobile terminal for regulating a Specific Absorption Rate (SAR) of electromagnetic wave energy based on a sensor are disclosed. According to whether a distance between a human body and the mobile terminal is within a preset distance range acquired through a proximity sensor and/or whether a bottom side face of the mobile terminal in the current position is a side face adjacent to a terminal antenna acquired through a gravity sensor, the mobile terminal regulates signal transmission power of the mobile terminal In the technical scheme of the present document, the signal transmission power of the mobile terminal is controlled according to data of the sensors, thereby controlling the SAR of electromagnetic wave energy, solving the problem that an SAR value exceeding the standard affects the human body in the related art, and protecting the user of the mobile terminal in real time.

Claims

1. A method for regulating a specific absorption rate of electromagnetic wave energy based on a sensor, comprising:

according to whether a distance between a human body and a mobile terminal is within a preset distance range acquired through a proximity sensor and/or whether a bottom side face of the mobile terminal in a current position is a side face adjacent to a terminal antenna acquired through a gravity sensor, the mobile terminal regulating signal transmission power of the mobile terminal.

2. The method according to claim 1, wherein, the step of regulating signal transmission power of the mobile terminal comprises:

when acquiring, through the proximity sensor, that the distance between the human body and the mobile terminal is within the preset distance range, the mobile terminal reducing the signal transmission power of the mobile terminal; and

when acquiring, through the proximity sensor, that the distance between the human body and the mobile terminal is not within the preset distance range, the mobile terminal increasing the signal transmission power of the mobile terminal.

3. The method according to claim 1, wherein, the step of regulating signal transmission power of the mobile terminal comprises:

when acquiring, through the gravity sensor, that the bottom side face of the mobile terminal in the current position is the side face adjacent to the terminal antenna, the mobile terminal reducing the signal transmission power of the mobile terminal; and

when acquiring, through the gravity sensor, that the bottom side face of the mobile terminal in the current position is not the side face adjacent to the terminal antenna, the mobile terminal increasing the signal transmission power of the mobile terminal.

4. The method according to claim 1, wherein, the step of regulating signal transmission power of the mobile terminal comprises:

when acquiring, through the proximity sensor, that the distance between the human body and the mobile terminal is within the preset distance range and acquiring, through the gravity sensor, that the bottom side face of the mobile terminal in the current position is the side face adjacent to the terminal antenna, the mobile terminal reducing the signal transmission power of the mobile terminal; and

when acquiring, through the proximity sensor, that the distance between the human body and the mobile terminal is not within the preset distance range or acquiring, through the gravity sensor, that the bottom side face of the mobile terminal in the current position is not the side face adjacent to the terminal antenna, the mobile terminal increasing the signal transmission power of the mobile terminal.

5. The method according to claim 1, wherein, an identification of the bottom side face of the mobile terminal in the current position is determined through an image display direction of the mobile terminal.

6. A mobile terminal for regulating a specific absorption rate of electromagnetic wave energy based on a sensor, comprising:

a sensor data collecting module, a state monitoring module and a transmission power regulating module connected orderly;

wherein,

the sensor data collecting module is configured to;

collect data of a proximity sensor and/or data of a gravity sensor to report to the state monitoring module;

the state monitoring module is configured to;

monitor data reporting of the sensor data collecting module, judge whether a distance between a human body and the mobile terminal is within a preset distance range according to the data of the proximity sensor and/or judge whether a bottom side face of the mobile terminal in a current position is a side face adjacent to a terminal antenna according to the data of the gravity sensor, and send a notification to the transmission power regulating module; and

the transmission power regulating module is configured to;

regulate signal transmission power of the mobile terminal according to state information acquired from the state monitoring module.

7. The mobile terminal according to claim 6, wherein,

the transmission power regulating module is configured to:

when the distance between the human body and the mobile terminal is within the preset distance range, reduce the signal transmission power of the mobile terminal; and

when the distance between the human body and the mobile terminal is not within the preset distance range, increase the signal transmission power of the mobile terminal.

8. The mobile terminal according to claim 6, wherein,

the transmission power regulating module is configured to:

when the bottom side face of the mobile terminal in the current position is the side face adjacent to the terminal antenna, reduce the signal transmission power of the mobile terminal; and

when the bottom side face of the mobile terminal in the current position is not the side face adjacent to the terminal antenna, increase the signal transmission power of the mobile terminal.

9. The mobile terminal according to claim 6, wherein,

the transmission power regulating module is configured to:

when the distance between the human body and the mobile terminal is within the preset distance range and it is acquired through the gravity sensor that the bottom side face of the mobile terminal in the current position is the side face adjacent to the terminal antenna, reduce the signal transmission power of the mobile terminal; and

when the distance between the human body and the mobile terminal is not within the preset distance range or it is acquired through the gravity sensor that the bottom side face of the mobile terminal in the current position is not the side face adjacent to the terminal antenna, increase the signal transmission power of the mobile terminal.

10. The mobile terminal according to claim 6, wherein,

the state monitoring module is configured to:

judge an image display direction of the mobile terminal through the data of the gravity sensor, so as to determine the bottom side face of the mobile terminal in the current position.