Terminal device and method of controlling the same

Abstract

A terminal device and a method of controlling the terminal device are provided. The terminal device includes: a terminal body; a pressure sensor arranged at a lateral side of the terminal body; and an execution circuit connected to an output end of the pressure sensor and configured to execute a predetermined operation when a pressure detected by the pressure sensor is not smaller than a predetermined pressure threshold.

What is claimed is: 
     
         1 . A terminal device, comprising:
 a terminal body;   a pressure sensor arranged at a lateral side of the terminal body; and   an execution circuit connected to an output end of the pressure sensor and configured to execute a predetermined operation when a pressure detected by the pressure sensor is not smaller than a predetermined pressure threshold.   
     
     
         2 . The terminal device according to  claim 1 , wherein there are at least two pressure sensors, and at least one pressure sensor is arranged at each of two opposite lateral sides of the terminal body. 
     
     
         3 . The terminal device according to  claim 2 , wherein the execution circuit is further configured to execute the predetermined operation when the pressure detected by at least one pressure sensor at each of the two opposite lateral sides of the terminal body is not smaller than the predetermined pressure threshold. 
     
     
         4 . The terminal device according to  claim 1 , further comprising a communication circuit connected to the execution circuit, wherein the execution circuit is further configured to control the communication circuit to send an alarm signal, and the communication circuit is configured to make an emergency call and/or send alarm information. 
     
     
         5 . The terminal device according to  claim 4 , further comprising a feedback circuit connected to the communication circuit and the execution circuit, and configured to control the communication circuit to send the alarm signal continuously when the alarm signal has been sent but no input for interrupting the alarm signal has been detected. 
     
     
         6 . The terminal device according to  claim 4 , further comprising a vibration circuit configured to send a vibration prompt signal after the communication circuit has sent the alarm signal. 
     
     
         7 . The terminal device according to  claim 1 , wherein the pressure sensor comprises four strain gauges connected in an end-to-end manner to form a bridge, a connection end is formed between two adjacent strain gauges, the bridge comprises four connection ends, the four connection ends comprise a first connection end, a second connection end, a third connection end and a fourth connection end, the first connection end and the third connection end are connected to two ends of an excitation power source respectively, and the second connection end and the fourth connection end are connected to two output ends of the pressure sensor respectively. 
     
     
         8 . The terminal device according to  claim 1 , further comprising a signal amplification circuit, an input end of which is connected to the output end of the pressure sensor, and an output end of which is connected to an input end of the execution circuit. 
     
     
         9 . The terminal device according to  claim 2 , wherein the pressure sensor comprises four strain gauges connected in an end-to-end manner to form a bridge, a connection end is formed between two adjacent strain gauges, the bridge comprises four connection ends, the four connection ends comprise a first connection end, a second connection end, a third connection end and a fourth connection end, the first connection end and the third connection end are connected to two ends of an excitation power source respectively, and the second connection end and the fourth connection end are connected to two output ends of the pressure sensor respectively. 
     
     
         10 . The terminal device according to  claim 2 , further comprising a signal amplification circuit, an input end of which is connected to the output end of the pressure sensor, and an output end of which is connected to an input end of the execution circuit. 
     
     
         11 . The terminal device according to  claim 8 , wherein the signal amplification circuit comprises a first operational amplifier, a second operational amplifier, a third operational amplifier, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor and a variable resistor,
 wherein an input end of the signal amplification circuit is connected to an in-phase input end of the first operational amplifier and an in-phase input end of the second operational amplifier, an output end of the first operational amplifier is connected to a first end of the first resistor and a first end of the second resistor, a reversed-phase input end of the first operational amplifier is connected to a second end of the second resistor, an output end of the second operational amplifier is connected to a first end of the third resistor and a first end of the fourth resistor, a reversed-phase input end of the second operational amplifier is connected to a second end of the fourth resistor, a first end of the variable resistor is connected to the second end of the second resistor, a second end of the variable resistor is connected to the second end of the fourth resistor, a second end of the first resistor forms a first output end of the signal amplification circuit, the second end of the first resistor is further connected to a first end of the fifth resistor, a second end of the fifth resistor is connected to a ground line, a second end of the third resistor forms a second output end of the signal amplification circuit, the second end of the third resistor is further connected to a first end of the sixth resistor, an in-phase input end of the third operational amplifier is connected to the first output end of the signal amplification circuit, a reversed-phase input end of the third operational amplifier is connected to the second output end of the signal amplification circuit, and an output end of the third operational amplifier is connected to a third output end of the signal amplification circuit.   
     
     
         12 . A method of controlling the terminal device according to  claim 1 , comprising executing a predetermined operation when a pressure detected by the pressure sensor is not smaller than a predetermined pressure threshold. 
     
     
         13 . The method according to  claim 12 , wherein when there are at least two pressure sensors and at least one pressure sensor is arranged at each of two opposite lateral sides of the terminal body, the performing the predetermined operation when the pressure detected by the pressure sensor is not smaller than the predetermined pressure threshold comprises:
 executing the predetermined operation when the pressure detected by the at least one pressure sensor at each of the two opposite lateral sides of the terminal body is not smaller than the predetermined pressure threshold.   
     
     
         14 . The method according to  claim 12 , wherein when the terminal device further comprises a communication circuit connected to the execution circuit, the executing the predetermined operation comprises:
 controlling, by the execution circuit, the communication circuit to send an alarm signal, and   the controlling, by the execution circuit, the communication circuit to send the alarm signal comprises controlling, by the execution circuit, the communication circuit to make an emergency call and/or send alarm information.   
     
     
         15 . The method according to  claim 14 , wherein subsequent to controlling, by the execution circuit, the communication circuit to send the alarm signal, the method further comprises sending a vibration prompt signal. 
     
     
         16 . The method according to  claim 14 , wherein when the terminal device further comprises a feedback circuit connected to the communication circuit and the execution circuit, subsequent to controlling, by the execution circuit, the communication circuit to send the alarm signal, the method further comprises:
 controlling, by the feedback circuit, the communication circuit to send the alarm signal continuously when the alarm signal has been sent but no input for interrupting the alarm signal has been detected.   
     
     
         17 . The method according to  claim 12 , wherein the predetermined pressure threshold at least comprises a first pressure threshold and a second pressure threshold greater than the first pressure threshold, and the predetermined operation at least comprises a first predetermined operation and a second predetermined operation different from the first predetermined operation,
 wherein the executing the predetermined operation when the pressure detected by the pressure sensor is not smaller than the predetermined pressure threshold comprises:   when the pressure detected by the pressure sensor is not smaller than the first pressure threshold and not greater than the second pressure threshold, executing the first predetermined operation; and   when the pressure detected by the pressure sensor is not smaller than the second pressure threshold, executing the second predetermined operation.   
     
     
         18 . The method according to  claim 13 , wherein the predetermined pressure threshold at least comprises a first pressure threshold and a second pressure threshold greater than the first pressure threshold, and the predetermined operation at least comprises a first predetermined operation and a second predetermined operation different from the first predetermined operation,
 wherein the executing the predetermined operation when the pressure detected by the pressure sensor is not smaller than the predetermined pressure threshold comprises:   when the pressure detected by the pressure sensor is not smaller than the first pressure threshold and not greater than the second pressure threshold, executing the first predetermined operation; and   when the pressure detected by the pressure sensor is not smaller than the second pressure threshold, executing the second predetermined operation.   
     
     
         19 . A terminal device, comprising a processor, a memory, and a computer program stored in the memory and executed by the processor, wherein the processor is configured to execute the computer program so as to implement the method according to  claim 12 . 
     
     
         20 . A non-transient computer-readable storage medium storing therein a computer program, wherein the computer program is executed by a processor so as to implement the method according to  claim 12 .