Mobile phone case with signal shielding function

Abstract

The invention relates to a mobile phone case with a signal shielding function. The mobile phone case consists of a leather housing (1), a graphene film layer (2), a cotton liner (3), a zipper (4), and a graphene film overlapped edge (5), and is characterized in that the graphene film layer (2) is sewn in an interlayer formed by the leather housing (1) and the cotton liner (3); both ends of the leather housing (1) are sewn together by the zipper (4) and then are sewn inside the zipper (4) by the graphene film overlapped edge (5). According to the mobile phone case, all mobile phone signals from the outsides can be effectively shielded, so that a user cannot be entangled due to shutdown when using a mobile phone.

Description

technical field [0001] The invention relates to a mobile phone cover with the function of shielding signals, which is especially suitable for use when the mobile phone needs to be unable to pass normally for a period of time. Background technique [0002] When attending some important meetings and receiving guests, it is a very impolite behavior for the mobile phone to ring, which will directly affect the success or failure of the negotiation affairs. But if the mobile phone is turned off when dealing with things, sometimes it will affect other customers, because turning off the phone during working hours is a contempt for the caller. So the best way is to let the phone have no signal during this time. When the other party calls in, he will be told that "the other party is not in the service area". Instead of "the other party has shut down". Sometimes it often happens that the other party is not in the service area, such as on the high-speed rail, in the tunnel, etc. So...

AI Technical Summary

Problems solved by technology

But if the mobile phone is turned off when dealing with things, sometimes it will affect other customers, because turning off the phone during working hours is a contempt for the caller

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