CN210007732U

CN210007732U - Mobile phone and sub-phone

Info

Publication number: CN210007732U
Application number: CN201822277859.3U
Authority: CN
Inventors: 李�杰
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2020-01-31
Anticipated expiration: 2028-12-29
Also published as: WO2020134917A1

Abstract

The application relates to mobile phones and submachine, wherein each mobile phone comprises a host and a submachine, the host comprises a power supply module, the submachine comprises a main board, an auxiliary board, a second power supply module and a display screen, the submachine can be installed on the host and can be detached from the host, and after the submachine is detached from the host, the submachine can be in communication connection with the host, the mobile phone can be in communication with external equipment through the host, the display screen comprises a screen module and a screen circuit board, the main board covers the screen circuit board, the screen circuit board is provided with a protruding part, the protruding part is convexly arranged at the side of a displayable area of the back screen module, the orthographic projection of the protruding part on a reference plane is positioned outside the orthographic projection of the second power supply module on the reference plane, and the reference plane is a geometric plane vertical to the.

Description

Mobile phone and sub-phone

Technical Field

The application relates to the technical field of mobile terminals.

Background

The trend of smart phones and other mobile terminals to be light and thin is more and more obvious, and the performance requirements of consumers on smart phones are gradually improved, but the light and thin performance and the performance are mutually restricted to a certain extent, so that the traditional mobile terminal design is in a bottleneck.

SUMMERY OF THE UTILITY MODEL

The application discloses mobile phones to solve the problem of the mutual restriction of the lightness, thinness and performance of the mobile terminal.

A handset, comprising:

a host including a power supply module , an

The sub machine comprises a main board, an auxiliary board, a second power supply module and a display screen, wherein the second power supply module is arranged between the main board and the auxiliary board, the area of the main board is larger than that of the auxiliary board, and the second power supply module can supply power to the display screen and the main board; the auxiliary board can be in communication connection with the main board; the sub machine can be installed on the main machine and detached from the main machine, and after the sub machine is detached from the main machine, the sub machine can be in communication connection with the main machine; the mobile phone can communicate with an external device through the host;

the display screen comprises a screen module and a screen circuit board, the screen module can be in communication connection with the main board through the screen circuit board, the main board covers the screen circuit board, the screen circuit board is provided with a protruding portion, the protruding portion is arranged on the side of a displayable area of the screen module in a protruding mode, the orthographic projection of the protruding portion on a reference plane is located outside the orthographic projection of the second power supply module on the reference plane, and the reference plane is a geometric plane perpendicular to the thickness direction of the submachine.

According to the mobile phone, the orthographic projection of the projection part of the screen circuit board on the reference plane is positioned outside the orthographic projection of the second power supply module on the reference plane, so that the second power supply module is prevented from being overlapped on the projection part of the screen circuit board, and the thickness of the second power supply module can be properly increased. Because the influence of the thickness parameter of the second power supply module on the battery capacity is more obvious than the influence of the length parameter of the second power supply module on the battery capacity, the arrangement ensures the lightness and thinness of the sub-phone while improving the cruising ability of the sub-phone, and is further favorable for the lightness and thinness of the mobile phone.

In embodiments, the orthographic projection of the projection part on the reference plane is all located within the orthographic projection of the main board on the reference plane, and the orthographic projection of the main board on the reference plane is located outside the orthographic projection of the second power supply module on the reference plane.

In of these embodiments, the orthographic projection of the second power module on the reference plane is outside the orthographic projection of the screen board on the reference plane.

In embodiments, the sub-machine comprises a camera module, the camera module is connected with the sub-plate and can communicate with the sub-plate, a notch is formed in the screen module, and the camera module penetrates through the notch.

In embodiments, the sub-unit includes a fingerprint identification component, the fingerprint identification component is connected to the main board and can communicate with the main board, and the screen module covers the fingerprint identification component.

In embodiments, the sub-machine comprises a front surface and a rear surface which are arranged in an opposite manner, and a side peripheral surface connected between the front surface and the rear surface, wherein a displayable region of the screen module faces the front surface, the main machine comprises a main body part and a support connected with the main body part, a containing groove is formed in the main body part, the support can be turned over to a buckling state and an unfolding state relative to the main body part, the support is contained in the containing groove in the buckling state, the sub-machine can be vertically or obliquely placed on the main machine in the unfolding state, the support can be in contact with the rear surface, and the main body part can be in contact with the side peripheral surface.

In embodiments, the host comprises a wireless modem module, a host main controller and a host wireless transceiver module, the sub-phone comprises a sub-phone keyboard, a sub-phone main controller and a sub-phone wireless transceiver module, in working states of the mobile phone, a control command output by the sub-phone keyboard is modulated by the sub-phone wireless transceiver module under the control of the sub-phone main controller and then sent to the host wireless transceiver module, is modulated by the wireless modem module under the control of the host main controller and then sent to the air, a control signal from the air is modulated by the host main controller and then sent to the sub-phone, and the sub-phone wireless transceiver module receives the control signal and then is displayed by the display screen under the control of the sub-phone main controller.

In embodiments, the host comprises a wireless modulation and demodulation module, a host main controller and a host wireless transceiver module, the submachine comprises a submachine main controller, a submachine microphone, a submachine receiver, a submachine audio encoder, a submachine audio decoder and a submachine wireless transceiver module capable of communicating with the host wireless transceiver module, in the second working state, an audio signal from the submachine microphone is encoded by the submachine audio encoder and transmitted to the submachine main controller, the audio signal is transmitted by the submachine wireless transceiver module under the control of the submachine main controller, the submachine wireless transceiver module receives the audio signal and transmits the submachine audio signal to the wireless modulation and demodulation module under the control of the host main controller, the submachine wireless transceiver module modulates the submachine signal and transmits the submachine audio signal to the host main controller, the submachine wireless transceiver module modulates the submachine signal and transmits the submachine signal to the submachine main controller, and the submachine audio signal is decoded by the submachine decoder under the control of the host wireless transceiver module and then output by the submachine decoder.

In embodiments, the host comprises a wireless modem module, a host main controller and a host wireless transceiver module, the host main controller can communicate with the wireless modem module and the host wireless transceiver module, the sub-machine comprises a sub-machine main controller and a sub-machine wireless transceiver module which can communicate with the host wireless transceiver module, the sub-machine main controller can communicate with the sub-machine wireless transceiver module, and the sub-machine can access a communication network through the host.

In embodiments, the master unit comprises a th wireless communication module, a master unit master controller and a master unit second wireless communication module, the master unit master controller can communicate with the th wireless communication module and the master unit second wireless communication module, the sub unit comprises a sub unit master controller and a sub unit wireless communication module, the sub unit master controller can communicate with the sub unit wireless communication module, the sub unit wireless communication module can communicate with the th wireless communication module, and the master unit second wireless communication module can communicate with the base station.

The second aspect of the present application discloses sub-machines to solve the problem of the mutual restriction of the thinning and performance of the sub-machines.

sub-machines comprise a main board, an auxiliary board, a second power supply module and a display screen, wherein the second power supply module is arranged between the main board and the auxiliary board, the area of the main board is larger than that of the auxiliary board, the second power supply module can supply power to the display screen and the main board, the auxiliary board can be in communication connection with the main board, the display screen comprises a screen module and a screen circuit board, the screen module can be in communication connection with the main board through the screen circuit board, the main board covers the screen circuit board, the screen circuit board is provided with a protruding part, the protruding part is protruding and arranged on the side back to a displayable area of the screen module, the orthographic projection of the protruding part on a reference plane is located outside the orthographic projection of the second power supply module on the reference plane, and the reference plane is a geometric plane perpendicular to the thickness direction of the sub-machine.

According to the sub-machine, the orthographic projection of the projection part of the screen circuit board on the reference plane is positioned outside the orthographic projection of the second power supply module on the reference plane, the structure avoids the second power supply module from being overlapped on the projection part of the screen circuit board, the thickness of the second power supply module can be properly increased, and the light and thin performance of the sub-machine is guaranteed while the cruising ability of the sub-machine is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a front view of an embodiment of a handset;

FIG. 2 is a left side view of the handset of FIG. 1;

FIG. 3 is a right side view of the handset of FIG. 1;

FIG. 4 is a rear view of the handset of FIG. 1;

FIG. 5 is a perspective view of the handset of FIG. 1 with the handset removed from the main unit;

FIG. 6 is a rear view of the handset of FIG. 5 with some components removed from the handset;

fig. 7 is a perspective view of the handset shown in fig. 6 with parts of components removed from the handset;

FIG. 8 is an exploded view of a handset of the handset of FIG. 7;

FIG. 9 is a flow chart of the embodiment under the operational state of the handset;

FIG. 10 is another flow chart of the handset of FIG. 9 in an operational state;

FIG. 11 is a flow chart of the embodiment showing the handset in a second operational state;

fig. 12 is another flow chart of the handset of fig. 11 in a second operational state;

FIG. 13 is a block diagram of the handset of the embodiment;

FIG. 14 is a block diagram of another embodiment of a handset;

fig. 15 is a schematic block diagram of a handset in still another embodiment.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Referring to fig. 1 to 3, in embodiment, the mobile phone 10 includes a host 100 and a sub-phone 200, referring to fig. 4 and 5, the host 100 includes a th power module, referring to fig. 6 to 8, the sub-phone 200 includes a second power module 210, a display 220 and a main board 230, the second power module 210 can supply power to the display 220 and the main board 230, referring to fig. 5, the sub-phone 200 can be installed in the host 100 and detached from the host 100, and after the sub-phone 200 is detached from the host 100, the sub-phone 200 can be communicatively connected with the host 100.

Referring to fig. 8, the display screen 220 includes a screen module 221 and a screen board 223, the screen module 221 can be communicatively connected to the main board 230 through the screen board 223, the main board 230 covers the screen board 223, the screen board 223 has a protrusion 222 protruding from the side of the displayable region of the screen module 221, specifically, in the embodiment, the screen board 223 is folded and protruding from the side of the displayable region of the screen module 221, the protrusion 222 is a portion of the screen board 223, in the embodiment, a coordinate system is established with the length direction of the handset 200 as an x axis, the width direction as a y axis, and the thickness direction as a z axis, and a geometric plane perpendicular to the thickness direction (z axis direction) of the handset 200 is made, and with the geometric plane as a reference plane, an orthogonal projection of the protrusion 222 on the reference plane is located outside an orthogonal projection of the second power module 210 on the reference plane.

Referring to fig. 9 and 10, in the embodiment, the master unit 100 includes a wireless modem module, a master unit main controller, and a master unit wireless transceiver module, the slave unit 200 includes a slave unit keyboard, a slave unit main controller, and a slave unit wireless transceiver module, in the operating state of the mobile phone 10, a control command output from the slave unit keyboard is modulated by the slave unit wireless transceiver module under the control of the slave unit main controller, and then sent to the master unit wireless transceiver module, and is modulated by the wireless modem module under the control of the master unit main controller, and then sent to the air.

Referring to fig. 11 and 12, in the embodiment, the host 100 includes a wireless modem module, a host main controller, a host wireless transceiver module, and the handset 200 includes a handset main controller, a handset microphone, a handset receiver, a handset audio encoder, a handset audio decoder, and a handset wireless transceiver module capable of communicating with the host wireless transceiver module.

Referring to fig. 13 and 14, in the embodiment, the master unit 100 includes a wireless modem module, a master unit master controller, and a master wireless transceiver module, the master unit master controller being capable of communicating with the wireless modem module and the master wireless transceiver module the slave unit 200 includes a slave unit master controller, a slave unit wireless transceiver module being capable of communicating with the master wireless transceiver module, the slave unit master controller being capable of communicating with the slave unit wireless transceiver module, the slave unit 200 being capable of accessing a communication network through the master unit 100.

, referring to fig. 15, the master 100 includes a th Wireless communication module, a master controller, and a master second Wireless communication module, the master controller can communicate with the th Wireless communication module and the master second Wireless communication module, the slave 200 includes a slave master controller, a slave Wireless communication module, the slave master controller can communicate with the slave Wireless communication module, the slave Wireless communication module can communicate with the master th Wireless communication module, and the master second Wireless communication module can communicate with a Base Station (Base Station).

In the mobile phone 10, since the orthographic projection of the projection 222 of the screen board 223 on the reference plane is located outside the orthographic projection of the second power module 210 on the reference plane, the structure avoids overlapping the second power module 210 on the projection 222 of the screen board 223, and the thickness of the second power module 210 can be appropriately made thick. Since the influence of the thickness parameter of the second power module 210 on the battery capacity is more significant than the influence of the length parameter of the second power module 210 on the battery capacity on the handset 200, the arrangement described above ensures the lightness and thinness of the handset 200 while improving the cruising ability of the handset 200, thereby being beneficial to the lightness and thinness of the mobile phone 10.

, in the embodiment , the orthographic projection of the protrusion 222 on the reference plane is located in the orthographic projection of the main board 230 on the reference plane, and the orthographic projection of the main board 230 on the reference plane is located outside the orthographic projection of the second power module 210 on the reference plane, the structure prevents the second power module 210 from being stacked on the main board 230, the second power module 210 can be made thick, the cruising ability of the sub-phone 200 is improved, the sub-phone 200 is light and thin, and the light and thin mobile phone 10 is facilitated.

Referring to fig. 6 to 8, the sub-unit 200 includes a sub-board 240, an area of an orthographic projection of the sub-board 240 on a reference plane is not larger than an area of an orthographic projection of the main board 230 on the reference plane, more electronic components may be disposed on the main board 230, for example, a sub-unit main controller, a power management module, and the like of the sub-unit 200 may be disposed on the main board 230, the number of electronic components on the sub-board 240 may be smaller than that of the main board 230, the second power module 210 may supply power to the sub-board 240, and the sub-board 240 may be in communication connection with the main board 230, specifically, in embodiments, the communication between the main board 230 and the sub-board 240 and the power supply of the second power module 210 to the sub-board 240 are both achieved through a flexible circuit board, in a length direction (x-axis direction) of the sub-unit 200, the main board 230 and the sub-board 240 are spaced apart, and the second power module 210 is disposed between the main board 230 and the sub-board 240.

Referring to fig. 5 to 7, in the embodiment, the sub-unit 200 includes a camera module 250, the camera module 250 is connected to the sub-board 240 and can communicate with the sub-board 240, referring to fig. 8, the screen module 221 is provided with a notch 225, the camera module 250 is disposed through the notch 225, the light incident surface of the camera module 250 can be exposed from the displayable region of the screen module 221, so that the camera module 250 can perform the function of a front camera, so that a user can perform video call, self-photographing and other operations through the front camera, and the camera module 250 is disposed through the notch 225, which is not only beneficial to increasing the screen occupation ratio of the sub-unit 200, but also can avoid overlapping the screen module 221 on the camera module 250, thereby facilitating the lightness and thinness of the sub-unit 200.

, the sub-phone 200 may include a functional device, the functional device is connected to the sub-board 240 and can communicate with the sub-board 240, and the functional device includes at least of a microphone, a receiver, an ambient light sensor, a proximity sensor, and a fill-in light, where the microphone is used to receive an external sound signal, and the receiver is used to transmit the sound signal to the outside of the sub-phone 200, so as to facilitate a user to talk or answer voice information.

Referring to fig. 6 to 8, in the embodiment, the sub-phone 200 may include a fingerprint identification component 260, the fingerprint identification component 260 is connected to the main board 230 and can communicate with the main board 230, and the screen module 221 covers the fingerprint identification component 260. specifically, the fingerprint identification component 260 adopts a under-screen fingerprint scheme, that is, the screen module 221 may adopt an OLED (Organic Light-emitting diode) screen, and the under-screen fingerprint identification may be implemented by utilizing a transparent characteristic of the OLED screen itself, so as to avoid opening a hole on the screen module 221, thereby avoiding adverse effects on the screen occupation ratio of the sub-phone 200.

Referring to fig. 5, the sub-machine 200 includes a front surface 271 and a rear surface 273, which are oppositely disposed, and a side circumferential surface 275 connected between the front surface 271 and the rear surface 273. The displayable region of the screen module 221 faces the front surface 271. The host 100 includes a main body 110 and a bracket 120 connected to the main body 110, wherein the main body 110 is provided with a receiving groove 111, and the bracket 120 can be turned over to a buckling state and an unfolding state relative to the main body 110. Referring to fig. 5, the stand 120 is received in the receiving groove 111 in the engaged state, the display end 200 can be vertically or obliquely placed on the main body 100 and the stand 120 can contact the rear surface 273 and the main body 110 can contact the side circumferential surface 275 in the unfolded state. The display screen 220 may be supported by the stand 120 to facilitate a user to view a video or the like using the sub-unit 200.

In another embodiment, kinds of mobile phones 10 are provided, each mobile phone 10 includes a host 100 and a sub-phone 200, each host 100 includes a th power module, each sub-phone 200 includes a second power module 210, a display 220 and a main board 230, each second power module 210 can supply power to the display 220 and the main board 230, each sub-phone 200 can be installed on the host 100 and detached from the host 100, and after each sub-phone 200 is detached from the host 100, the host 100 and the sub-phone 200 can be in communication connection, the communication modes between the host 100 and the sub-phones 200 can refer to fig. 9 to 15, which are not described herein.

The display screen 220 comprises a screen module 221 and a screen circuit board 223, the screen module 221 can be in communication connection with the main board 230 through the screen circuit board 223, and the main board 230 covers the screen circuit board 223. The orthographic projection of the second power module 210 on the reference plane is located outside the orthographic projection of the screen board 223 on the reference plane.

In the mobile phone 10, since the orthographic projection of the second power module 210 on the reference plane is located outside the orthographic projection of the screen circuit board 223 on the reference plane, the structure also avoids overlapping the second power module 210 on the screen circuit board 223, the thickness of the second power module 210 can be properly thick, the cruising ability of the sub-phone 200 is improved, and the lightness and thinness of the sub-phone 200 are ensured, so that the lightness and thinness of the mobile phone 10 are facilitated.

In the present embodiment, the orthographic projection of the screen board 223 on the reference plane is entirely within the orthographic projection of the main board 230 on the reference plane, and the orthographic projection of the main board 230 on the reference plane is outside the orthographic projection of the second power module 210 on the reference plane. Above-mentioned structure has avoided locating second power module 210 stack on mainboard 230, and second power module 210 can be suitably thick, guarantees the frivolousness of sub-machine 200 when promoting the duration of a journey of sub-machine 200, and then is favorable to the frivolousness of cell-phone 10, and it is no longer repeated here.

In the present embodiment, the sub-unit 200 may include a sub-board 240, and an area of an orthogonal projection of the sub-board 240 on the reference plane is not larger than an area of an orthogonal projection of the main board 230 on the reference plane. Many electronic components may be disposed on the main board 230, for example, a sub-machine main controller, a power management module, and the like of the sub-machine 200 may be disposed on the main board 230. The number of electronic components on the sub-board 240 may be smaller than that of the main board 230. The second power module 210 can supply power to the sub-board 240, and the sub-board 240 can be communicatively coupled to the main board 230. The main board 230 and the sub-board 240 are spaced apart, and the second power module 210 is located between the main board 230 and the sub-board 240. With the above structure, the second power module 210 does not need to be stacked on the main board 230 or the sub-board 240, and the thickness of the second power module 210 can be made as thick as appropriate, so as to improve the cruising ability of the sub-machine 200 and ensure the lightness and thinness of the sub-machine 200.

In this embodiment, the sub-unit 200 may include a camera module 250, the camera module 250 is connected to the sub-board 240 and can communicate with the sub-board 240, the screen module 221 has a notch 225, and the camera module 250 is inserted into the notch 225. The light incident surface of the camera module 250 can be exposed from the displayable area of the screen module 221, so that the camera module 250 can perform the function of the front camera, and a user can conveniently perform operations such as video call, self-shooting and the like through the front camera. The camera module 250 is arranged in the notch 225 in a penetrating manner, so that the screen occupation ratio of the submachine 200 is favorably improved, the screen module 221 can be prevented from being stacked on the camera, and the submachine 200 is favorably thinned.

, the sub-unit 200 may include a function device, the function device is connected to the sub-board 240 and can communicate with the sub-board 240, the function device includes at least of a microphone, a receiver, an ambient light sensor, a proximity sensor, and a fill-in light.

In this embodiment, the sub-machine 200 may include a fingerprint identification component 260, the fingerprint identification component 260 is connected to the main board 230 and can communicate with the main board 230, and the screen module 221 covers the fingerprint identification component 260. The fingerprint identification component 260 may employ an under-screen fingerprint scheme to avoid opening holes in the screen module 221 to avoid adversely affecting the screen duty of the sub-unit 200.

It will be appreciated that the sub-machine 200 includes front and

rear surfaces

271, 273 that are oppositely disposed, and a side peripheral surface 275 that is connected between the front and

rear surfaces

271, 273. The displayable region of the screen module 221 faces the front surface 271. The host 100 includes a main body 110 and a bracket 120 connected to the main body 110, wherein the main body 110 is provided with a receiving groove 111, and the bracket 120 can be turned over to a buckling state and an unfolding state relative to the main body 110. The cradle 120 is accommodated in the accommodation groove 111 in the engaged state, and the slave unit 200 can be placed on the main unit 100 vertically or obliquely in the deployed state, the cradle 120 can be in contact with the rear surface 273, and the main body 110 can be in contact with the side circumferential surface 275. The display screen 220 may be supported by the stand 120 to facilitate a user to view a video or the like using the sub-unit 200.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1, A mobile phone, comprising:

a host including a power supply module , an

The sub machine comprises a main board, an auxiliary board, a second power supply module and a display screen, wherein the second power supply module is arranged between the main board and the auxiliary board, and the area of the main board is larger than that of the auxiliary board; the second power supply module can supply power to the display screen and the main board, and the auxiliary board can be in communication connection with the main board; the sub machine can be installed on the main machine and detached from the main machine, and after the sub machine is detached from the main machine, the sub machine can be in communication connection with the main machine; the mobile phone can communicate with an external device through the host;

2. The mobile phone of claim 1, wherein the orthographic projection of the protrusion on the reference plane is entirely within the orthographic projection of the main board on the reference plane, and the orthographic projection of the main board on the reference plane is outside the orthographic projection of the second power module on the reference plane.

3. The handset according to claim 1, wherein an orthographic projection of the second power module on the reference plane is located outside an orthographic projection of the screen board on the reference plane.

4. The mobile phone of claim 1, wherein the sub-phone comprises a camera module; the camera module with the subplate is connected and can with the subplate communication, the screen module is seted up jaggedly, the camera module wears to locate the breach.

5. The mobile phone according to claim 1, wherein the sub-phone comprises a fingerprint identification component, the fingerprint identification component is connected with the main board and can communicate with the main board, and the screen module covers the fingerprint identification component.

6. The mobile phone according to claim 1, wherein the sub-phone comprises a front surface and a rear surface which are opposite to each other, and a side circumferential surface connected between the front surface and the rear surface, and the displayable region of the screen module faces the front surface; the host comprises a main body part and a bracket connected with the main body part, wherein the main body part is provided with a containing groove, and the bracket can be turned to a buckling state and an unfolding state relative to the main body part; the sub-machine can be vertically or obliquely placed on the main machine and the support can be contacted with the rear surface, and the main body part can be contacted with the side peripheral surface.

7. The mobile phone according to claim 1, wherein the host comprises a wireless modem module, a host main controller and a host wireless transceiver module, the handset comprises a handset keyboard, a handset main controller and a handset wireless transceiver module, in working states of the mobile phone, a control command output by the handset keyboard is modulated by the handset wireless transceiver module under the control of the handset main controller and then sent to the host wireless transceiver module, is modulated by the wireless modem module under the control of the host main controller and then sent to the air, a control signal from the air is demodulated by the wireless modem module, is modulated by the host main controller and then sent to the handset, and is received by the handset wireless transceiver module and then displayed by the display screen under the control of the main controller.

8. The mobile phone of claim 1, wherein the host comprises a wireless modem module, a host main controller, and a host wireless transceiver module; the sub-machine comprises a sub-machine main controller, a sub-machine microphone, a sub-machine receiver, a sub-machine audio encoder, a sub-machine audio decoder and a sub-machine wireless transceiving module which can be communicated with the main machine wireless transceiving module; in a second working state, an audio signal from the submachine microphone is coded by the submachine audio coder and then transmitted to the submachine main controller, is sent out by the submachine wireless transceiver module under the control of the submachine main controller, is received by the host computer wireless transceiver module, is transmitted to the wireless modem module under the control of the host computer main controller, and is sent to the air after being modulated by the wireless modem module; the signal from the air is transmitted to the main machine main controller after being demodulated by the wireless modulation and demodulation module, is transmitted to the main machine wireless receiving and transmitting module under the control of the main machine main controller, is transmitted to the submachine after being modulated by the main machine wireless receiving and transmitting module, and the audio signal demodulated by the submachine wireless receiving and transmitting module is output by the submachine telephone receiver after being decoded by the submachine audio decoder under the control of the submachine main controller.

9. The mobile phone of claim 1, wherein the host comprises a wireless modem module, a host controller, and a host wireless transceiver module, wherein the host controller is capable of communicating with the wireless modem module and the host wireless transceiver module; the submachine comprises a submachine main controller and a submachine wireless transceiving module which can communicate with the host machine wireless transceiving module, and the submachine main controller can communicate with the submachine wireless transceiving module; the sub-machine can access a communication network through the main machine.

10. The mobile phone of claim 1, wherein the master unit comprises an th wireless communication module, a master unit master controller and a master unit second wireless communication module, the master unit master controller can communicate with the th wireless communication module and the master unit second wireless communication module, the slave unit comprises a slave unit master controller and a slave unit wireless communication module, the slave unit master controller can communicate with the slave unit wireless communication module, the slave unit wireless communication module can communicate with the th wireless communication module, and the master unit second wireless communication module can communicate with a base station.

The submachine is characterized by comprising a main board, a secondary board, a second power module and a display screen, wherein the second power module is arranged between the main board and the secondary board, the area of the main board is larger than that of the secondary board, the second power module can supply power to the display screen and the main board, the secondary board can be in communication connection with the main board, the display screen comprises a screen module and a screen circuit board, the screen module can be in communication connection with the main board through the screen circuit board, the main board covers the screen circuit board, the screen circuit board is provided with a protruding part, the protruding part is protruding and arranged on a side back to a displayable area of the screen module, the orthographic projection of the protruding part on a reference plane is positioned outside the orthographic projection of the second power module on the reference plane, and the reference plane is a geometric plane perpendicular to the thickness direction of the submachine.

12. The extension set according to claim 11, wherein the orthographic projection of the projection on the reference plane is entirely within the orthographic projection of the main board on the reference plane, and the orthographic projection of the main board on the reference plane is outside the orthographic projection of the second power module on the reference plane.

13. The sub-machine according to claim 11, wherein the sub-machine comprises a camera module; the camera module with the subplate is connected and can with the subplate communication, the screen module is seted up jaggedly, the camera module wears to locate the breach.

14. The sub-machine according to claim 11, wherein the sub-machine comprises a fingerprint identification component, the fingerprint identification component is connected with the main board and can communicate with the main board, and the screen module covers the fingerprint identification component.