Multifunctional fire-fighting helmet
A multi-functional, helmet technology, applied to helmets, helmet covers, clothing, etc., can solve the problems of fire scene situations that cannot be fed back to the command center in time, the deployment of commands from the command center cannot be heard clearly, and the disaster relief plan of the command center is delayed. Enhance gold rescue ability, easy to wear, and easy to operate
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[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0025] As shown in the figure, a multifunctional fire helmet includes a helmet body, a wireless communication system, an electronic compass compass and an environment display system; the wireless communication system, the electronic compass compass and the environment display system are all matched and installed on the helmet body The wireless communication system includes an antenna, a transceiver bandpass filter, a high-frequency amplifier, a frequency synthesizer, an MFSK modulator, a voltage-controlled oscillator, an encryptor, an ADC, an audio amplifier, a noise canceller, a bone conduction mic...
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