Emergency call system and method in abnormal dialing state of touch screen mobile terminal
A mobile terminal and emergency call technology, which is applied in the research field of mobile communication emergency call, can solve the problems such as failure to make timely calls for help, failure of the mobile communication phone to turn on the touch screen normally due to power failure, and power failure.
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Embodiment 1
[0034] Such as figure 1 As shown, the emergency call system in the state where the touch screen mobile phone of this embodiment cannot dial normally includes: emergency call backup battery, emergency dial button, call transmission unit, one-key dial storage module, power delay module, and power cut-off module;
[0035] The emergency call backup battery is used for emergency dial connection when the mobile terminal is out of power; the implementation method of the emergency call backup battery is as follows: the existing battery of the mobile terminal is set into two parts, and the power stored in one part is used for normal The mobile terminal supplies power; the other part is configured as an emergency call backup battery, and the power stored in this part is only used to make emergency calls; the emergency call backup battery line is connected to the mobile terminal power supply IC after the power delay module and the power cut-off module. After the emergency call backup bat...
Embodiment 2
[0043] In the technical solution of this embodiment 2, except for the following technical features, other technical features are the same as in embodiment 1. In embodiment 2, the emergency backup battery is configured as a separate battery, which is arranged behind the mobile terminal Inside the case, the emergency call backup battery circuit is connected to the mobile terminal power supply IC after passing through the power delay module and the power cutoff module. When it is turned on, the power supply of the emergency call backup battery and the power supply of the common battery of the mobile terminal can be relatively conducted.
[0044] Through the setting of this embodiment, the emergency call backup battery can be flexibly set at the required place, which greatly improves the flexibility of implementation.
Embodiment 3
[0046] The technical solution of embodiment 3 of the present invention is based on the implementation method of the emergency call system under the state that the touch-screen mobile phone in the above-mentioned embodiments 1 and 2 cannot normally dial, and specifically includes the following steps:
[0047] S1. The emergency call backup battery line is connected to the mobile terminal power supply IC through the power delay module and the power cut-off module. The mobile terminal judges whether it has received the trigger signal of the emergency dial button switch. If not, the emergency call backup battery power supply is cut off by the power supply. The power supply behind the module can only be imported but not exported, if there is, go to step S2;
[0048] In the above S1, when the power of the emergency call backup battery drops or is insufficient, the mobile terminal’s common battery power or external power supply can supplement the emergency call backup battery after pas...
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