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Driving circuit and driving method for metal back shell mobile phone

A driving circuit and metal back shell technology, which is applied in the field of communication, can solve the problems that the capacitance change of metal parts 11 and metal parts 12 cannot be obtained, and cannot be used, so as to enrich the functions of mobile phones and improve the user experience.

Active Publication Date: 2020-07-28
SAMSUNG GUANGZHOU MOBILE R&D CENT +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in the mobile phone back shell with this structure, since the metal connecting bridge 14 connects the metal part 11 and the metal part 12, it is impossible to obtain the capacitance change between the metal part 11 and the metal part 12, and it cannot be used to realize other more function of

Method used

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  • Driving circuit and driving method for metal back shell mobile phone
  • Driving circuit and driving method for metal back shell mobile phone
  • Driving circuit and driving method for metal back shell mobile phone

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Embodiment Construction

[0026] The principles and features of the present application will be further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain related inventions, rather than to limit the invention. It should also be noted that, for ease of description, only parts related to the invention are shown in the drawings.

[0027] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

[0028] See figure 2 , which shows a schematic structural diagram of an embodiment of a driving circuit for a mobile phone with a metal back shell provided by the present application. Such as figure 2 As shown, the driving circuit may include a first metal component 21...

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Abstract

The embodiment of the application discloses a driving circuit and a driving method for a mobile phone with a metal back shell. One specific embodiment of the driving circuit comprises a first metal component, a second metal component and a capacitor, wherein the first metal component is connected with reference ground of the driving circuit; the second metal component is electrically connected with a control processor of the mobile phone, and used for controlling transmission and receiving of a mobile phone signal; the metal back shell of the mobile phone comprises a first metal component anda second metal component; the first metal component is insulated from the second metal component; a first end of the capacitor is electrically connected with the first metal component; and a second end of the capacitor is electrically connected with the second metal component. In the implementation way, the second metal component can be used as an antenna to receive and transmit the mobile phone signal, and other functions can be realized through detection of a capacitance change between the first metal component and the second metal component.

Description

technical field [0001] The present application relates to the field of communication technology, in particular to a driving circuit and a driving method for a mobile phone with a metal back shell. Background technique [0002] At present, for mobile phones with metal back shells, most parts of the back shell are divided into metals as antennas, so as to realize signal transmission between the mobile phone and the base station. Specifically as Figure 1a As shown, the metal part 11 is the upper end of the back shell of the mobile phone, and is mainly used for the overall support of the mobile phone. The metal part 12 is the lower end of the rear case of the mobile phone and is used as an antenna. At the same time, a plastic strip 13 is provided between the metal part 11 and the metal part 12 to play a connecting role. [0003] At this time, in order to realize the antenna function of the metal component 12 , a metal connection bridge 14 is usually provided inside the plasti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04M1/02H04M1/18H04B1/40
CPCH04B1/40H04M1/026
Inventor 徐涌东郑嘉伟
Owner SAMSUNG GUANGZHOU MOBILE R&D CENT
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