CN104765582A - Wearable device expansion system and accessories thereof - Google Patents

Abstract

The invention provides a wearable device expansion system and accessories thereof, and relates to the field of computers. The system comprises a wearable device provided with a screen expansion interface, wherein the wearable device with the screen expansion interface comprises a wearable device body; the wearable device body comprises a housing; a microprocessor system and a power system are arranged in the housing; a storage battery system is arranged in the power system; the microprocessor system is connected with a video output module which is connected with a video output interface. The system further comprises an external display device which comprises a display system, wherein the display system is provided with a display screen. The system further comprises a display screen housing on which the display screen is mounted; the display system is further provided with a video signal receiving module; the display screen is connected with a display driving circuit which is connected with the video signal receiving module; the video signal receiving module is connected with a video input interface which is in match with the video output interface.

Description

Wearable device expanding system and accessory thereof

Technical field

The present invention relates to electronic technology field, particularly relate to computer realm.

Background technology

With it namely wearable device is directly through, or be incorporated into the clothes of user or a kind of portable set of accessory.Wearable device is not only a kind of hardware device, and realize powerful function alternately by software support and data interaction, high in the clouds especially, wearable device will bring very large transformation to our life, perception.

Although wearable device solves the portability problem of some electronic equipments, because necessary restricted volume, so a lot of function is difficult to realize, or experience effect can be poor.Particularly most of wearable device has to display screen to be arranged on less than 1.5 cun, so that meet wearable demand.

Summary of the invention

The object of the present invention is to provide a kind of wearable device expanding system, solve above technical matters.

The present invention also aims to provide a kind of wearable device being provided with screen expansion interface, solve above technical matters.

The present invention also aims to provide a kind of external connection display equipment, solve above technical matters.

Technical matters solved by the invention can realize by the following technical solutions:

Wearable device expanding system, it is characterized in that, comprise the wearable device being provided with screen expansion interface, the wearable device being provided with screen expansion interface comprises wearable device main body, described wearable device main body comprises device housings, be provided with microprocessor system and power-supply system in described device housings, in described power-supply system, be provided with battery system;

Described microprocessor system connects a Video Output Modules, and described Video Output Modules connects a video output interface;

Also comprise an external connection display equipment, external connection display equipment comprises a display system, and described display system is provided with a display screen, also comprises a display screen shell, and described display screen is contained on described display screen shell;

Described display system is also provided with a video reception module; Described display screen connects a display driver circuit, and described display driver circuit connects described video reception module, described video reception model calling one video input interface; Described video input interface and described video output interface match.

By above-mentioned design, the display expansion of wearable device can be realized.Effectively can solve the too little inconvenience brought of wearable device screen.And be easy to wearable device and external device carries out alternately.

To the wearable device being provided with screen expansion interface of wearable device expanding system be formed below, and external connection display equipment separately explanation.Be provided with each communication interface coupling corresponding in the wearable device of screen expansion interface and external connection display equipment.

Be provided with the wearable device of screen expansion interface, comprise wearable device main body, described wearable device main body comprises device housings, power-supply system, be provided with microprocessor system in described device housings, it is characterized in that, in described power-supply system, be provided with battery system;

Described microprocessor system connects a Video Output Modules, and described Video Output Modules connects a video output interface.

Described power-supply system can be arranged in described device housings.

What Video Output Modules exported is vision signal.The decoded vision signal of video card can be through.Also can be the vision signal without video card decoding.It can also be the vision signal again compressed after video card decoding.

The vision signal that Video Output Modules exports can be without the vision signal of video card decoding, at least one in the vision signal that the decoded vision signal of video card, video card compress after decoding again.

More preferably, described Video Output Modules possesses the function transmitting at least two kinds of signal transfer modes in the vision signal of decoding without video card, the vision signal again compressed after the decoded vision signal of video card, video card decoding;

Run in described microprocessor system and have a signal transfer mode to select module, when transmitting non-video play content, different from the signal transfer mode adopted when transmission of video play content.

More preferably, the vision signal again compressed adopt video card decoding when transmitting non-video play content after, adopts the vision signal without video card decoding when transmission of video play content.To ensure that video playback is smooth.

Carry out in the signal transfer mode transmitted adopting the vision signal without video card decoding, microprocessor system calls the required video file play, then by video file according to reproduction time sequencing, after splitting into video file segments, respectively video file segments is sent by Video Output Modules according to reproduction time sequencing.

Carry out in the signal transfer mode transmitted in employing through the decoded vision signal of video card, video file is distributed to video card and is decoded by described microprocessor system, decoded information, comprises clock signal, data-signal is sent by Video Output Modules.

Be preferably, the information of every frame picture that video card decodes, sends respectively by Video Output Modules according to time sequencing.This transmission mode, on video reception apparatus, can render on display screen as long as carry out identification to signal.And do not need again to decode according to file layout, do not need video card to assist.

Also can be, information that 2 frames are less than the picture of 10 frames that what video card decoded be greater than, after time sequencing sequence, disposablely to be sent by Video Output Modules.So that under ensureing to adopt less check bit sum to verify the prerequisite of number of times, significantly broadcasting can not be caused delayed.On video reception apparatus, as long as identify signal, row cache of going forward side by side can be rendered on display screen.

Again the vision signal compressed after adopting video card decoding is carried out in the signal transfer mode transmitted, video file is distributed to video card and is decoded by described microprocessor system, decoded information, comprise clock signal, data-signal, compress, after forming compressed package, sent by Video Output Modules.

Described microprocessor system, by decoded for video card video file, unifies the video file compression bag of the same form of boil down to.Such as no matter video file is mp4 form, MOV form, mpeg format, AVI form, WMV form, or extended formatting, and after video card decoding, microprocessor system is all by a kind of for its boil down to video format file fragment.The video format of existing most of form is all compressed formats of video file.Therefore the formation compressed package said in this patent can be the video format file forming compressed format.

Described device housings is provided with the fixed mechanism for being worn on human body.

The wearable device being provided with screen expansion interface can at least one in wrist-watch, bracelet, ring, brooch, belt buckle, chest card, suspension member, necklace.Described wearable device main body can be at least one in intelligent watch, wrist watch mobile phone, intelligent glasses.Described device housings can be at least one in the shell of watch case, bracelet, ring, brooch, belt buckle, chest card, suspension member pattern.

Described device housings is connected with fixed part, and described fixed part can be at least one of watchband, necklace lanyard, eyes frame, Guan Zhenzhong.Wherein close pin and be also called small pin, fibula, safety pin.

Described Video Output Modules adopts MHL interface module.Mobile High-Definition Link (MHL) mobile terminal high-definition audio and video standard interface, it is a kind of audio-visual standard interface connecting portable consumer electronic device, MHL only uses a bars cable, can be presented on HDTV by standard HDMI input interface.It has used existing Micro USB interface, no matter be mobile phone, digital camera, digital camera and portable media player, all complete media content directly can be transferred on TV and do not damage the high-resolution effect of film.

Described video output interface can be cable video interface.Described video output interface is preferably Micro USB interface.Can be that the Peripheral Interface of described MHL interface module is preferably Micro USB interface further.

Or also can be, described video output interface adopts a wireless signal transmission module.By wireless signal output video signal.

Described Video Output Modules can also adopt Miracast equipment.Miracast is the Wi-Fi CERTIFIED Miracast that WiFi Alliance announces on September 19th, 2012 to start ^tMauthentication item.Miracast equipment provides to simplify and finds and arrange, and user can rapidly at equipment room transmission of video.The mode of transmission is wireless transmission.

Described Miracast equipment connection has wireless signal transmission module.By wireless signal transmission module transmission video signal.

Described microprocessor system is connected with a wifi hotspot module.Wireless routing is to external world avoided to cause dependence.

Also can be that described video output interface adopts an infrared signal transmission module.By infrared signal output video signal.

The described wearable device being provided with screen expansion interface also comprises a display system, and described display system comprises a display screen; Described Video Output Modules employing one has the Video Output Modules of multi output function, and at least two delivery outlets with the Video Output Modules of multi output function connect video output interface described at least one and described display system respectively.

Described display location is on described device housings.

The video card that Video Output Modules can adopt one to have at least two output ports, or adopt at least two video cards.To realize multi output function, allow at least two the display device display different pictures connected.

The described wearable device being provided with screen expansion interface also comprises a touch-screen system, and described microprocessor system connects described touch-screen system, and the touching induction region of described touch-screen system is positioned at above described display screen.

Run in described microprocessor system and have a screen function to divide software, described screen function divides software and comprises displaying contents distribution module; Described screen function divides software and displaying contents is divided into display frame and controls key interface, and display frame is exported by described video output interface, is presented at by control key interface on described display screen; And then realize the control by being provided with touch-screen system on the wearable device of screen expansion interface described video output interface being exported to picture.

Described control key interface can be at least one in keyboard interface, shortcut combined interface, hyperlink combined interface.

Or run in described microprocessor system and have a screen function to divide software, touch pad driver module, described screen function divides software and comprises displaying contents distribution module; Described screen function is divided software and display frame is exported by described video output interface, and by a touch pad interface display on described display screen; Described touch pad driver module responds the touch signal of described touch-screen system, and then display screen is converted into touch pad.And then realize the control by being provided with touch-screen system on the wearable device of screen expansion interface described video output interface being exported to picture.

Described touch pad interface comprises a touch area and at least one touch key-press.Described touch key-press practical function performs.Such as realize the function of left button, right button, roller bearing key or other function keys.

Described microprocessor system is also connected with a keyboard communication agency, and described keyboard communication agency connects a keyboard interface.

Described keyboard interface can be wired keyboard interface.Also can be, described keyboard interface adopts a wireless communication module.Such as bluetooth communication can be adopted.

Also can be, described keyboard interface adopts an infrared communication module.

Described keyboard interface can adopt same Signal transmissions channel with described video output interface.So that simplification structure.The data of keyboard transmission are less, share Signal transmissions channel, substantially can not affect video transmission quality with video output interface.

Therefore can be that described keyboard interface adopts at least one in described wireless signal transmission module, described infrared signal transmission module, MicroUSB interface.

Described microprocessor system is also connected with a touch panel communication mechanism, and described touch panel communication mechanism connects a touch screen interface.

Described touch screen interface can be wired touch screen interface.Also can be, described touch screen interface adopts a wireless communication module.Such as bluetooth communication can be adopted.

Also can be, described touch screen interface adopts an infrared communication module.

Described touch screen interface can adopt same Signal transmissions channel with described video output interface.So that simplification structure.The data of touch-screen transmission are less, share Signal transmissions channel, substantially can not affect video transmission quality with video output interface.

Therefore can be that described touch screen interface adopts at least one in described wireless signal transmission module, infrared signal transmission module, MicroUSB interface.

Described cable video interface is arranged on described device housings.

Described wired keyboard interface is arranged on described device housings.

Described wired touch screen interface is arranged on described device housings.

When using wireless signal transmission module, the antenna of wireless signal transmission module is arranged in device housings.

When using infrared signal transmission module, the printing opacity interface of infrared signal transmission module is arranged on described device housings.

When being provided with cable video interface and wired keyboard interface at the same time, the signalling contact of described cable video interface and wired keyboard interface is arranged in same slot.So that grafting.

When being provided with cable video interface and wired touch screen interface at the same time, the signalling contact of described cable video interface and wired touch screen interface is arranged in same slot.So that grafting.

Described microprocessor system is also connected with an audio frequency input/output mechanism, and described audio frequency input/output mechanism connects an audio input output interface.

Described audio input output interface can be wireline audio interface.Described audio input output interface also can be wireless audio interface.Such as can adopt Bluetooth audio frequency interface module.

Also can be that described audio input output interface also can adopt an infrared acoustic frequency interface module.

Described audio input output interface can adopt same Signal transmissions channel with described video output interface, touch screen interface.So that simplification structure.

Therefore can be that described audio input output interface can adopt at least one in described wireless signal transmission module, infrared signal transmission module, Micro USB interface.

Described microprocessor system is also connected with NFC module.

The information that NFC module is called comprises the unpaired message of video output interface.So that matched by NFC module.

The unpaired message of at least interface of one of them in keyboard interface, touch screen interface, audio input output interface is also comprised in the information that NFC module is called.So that matched by NFC module.

The described wearable device being provided with screen expansion interface is provided with display screen, and the antenna of described NFC module is positioned at the below of display screen.

Described display screen is preferably OLED display screen, LCDs.

The antenna of described NFC module is positioned at the position within apart from display screen overhead surface 1.5cm.Further preferably, the position within display screen overhead surface 1cm is positioned at.

The antenna of described NFC module can be between the backlight and reflector layer of LCDs.Or the rear of described reflector layer can be attached to.To ensure the homogeneity that can not have influence on backlight.

Described reflector layer is preferably nonmetal reflecting coating.To avoid the signal slackened or screened shielded antanna receives or sends.

Described device housings is provided with external screen stationary installation.Described external screen stationary installation comprises snap close and release tab.So that locking external screen, and external screen is unlocked, allow to depart from.

The display screen being less than 2.0 cun described device housings is equipped with.Be preferably the display screen of 0.5 cun ~ 1.6 cun.

Or, described device housings does not install LCDs.But described device housings installs dot matrix LED display screen.Or other simple and easy screens.Only by the display screen display simple content on device housings.

Even, described device housings does not install display screen.The external connection display equipment that the display carried out connects only by video output interface shows.So that simplification structure.

The wearable device being provided with screen expansion interface can comprise a mobile phone communication module, and described mobile communication model calling audio frequency input/output mechanism, audio frequency input/output mechanism connects a Bluetooth audio frequency interface module.For being connected with bluetooth earphone.

The described described device housings being provided with the wearable device of screen expansion interface is provided with bluetooth earphone fixed mechanism.Dismountablely on described bluetooth earphone fixed mechanism be fixed with bluetooth earphone.

Described bluetooth fixed mechanism can be at least one fixed mechanism in draw-in groove, buckle, jack, slide rail.

There is Bluetooth headset charging interface at described bluetooth earphone fixed mechanism place, and described bluetooth earphone is provided with the charging port mated with described Bluetooth headset charging interface.So that charge when being fixed on fixed mechanism.

Described bluetooth earphone is provided with a starting switch.So that control bluetooth earphone on off state.

Described bluetooth earphone fixed mechanism is provided with a starting switch control assembly; Described starting switch and described starting switch control assembly form a proximity switch mechanism.

At described starting switch, close to or contact start switch control section time close, when leaving open.Thus realize, when bluetooth earphone is on Bluetooth earphone fixing structure close or standby, proceed to duty when taking.

Described starting switch is provided with a switch controlling signal input end, described switch controlling signal input end connects a sensor element, and described sensor element can adopt at least one in magnetic switch, capacitive transducer, light sensor, electromagnetic sensor, pressure transducer.

Described starting switch is preferably a magnetic switch.Described starting switch control assembly is a magnetic part.

The switch controlling signal input end of described starting switch connects a capacitive transducer.Described starting switch control assembly is a capacitive part, or is an inductance component.

Described starting switch is preferably a light sensor.Described starting switch control assembly is a light-emitting component.Described light-emitting component connects a signal generating module.

Described starting switch is preferably a pressure switch.

Described device housings is provided with an outlet, and is provided with a battery fixing structure; Also comprise a battery module, described battery module is provided with the attaching plug mated with described outlet, and described battery module is fixed on described device housings outside by described battery fixing structure is dismountable.

Described outlet adopts the one in the male mouth of USB or the female mouth of USB.Be preferably the female mouth of mini USB.

Described battery fixing structure can be at least one in plug-in connection, rail structure, interface arrangment.

Described battery fixing structure is provided with locking snap close, and described locking snap close is provided with release tab.By locking snap close locking battery module, complete unblock by release tab, battery module is departed from.

Also can be on described battery module, arrange locking snap close, described locking snap close be provided with release tab.By locking snap close locking battery module, complete unblock by release tab, battery module is departed from.

Described battery module is connected on described device housings side.When described device housings adopts watch style shell, be preferably connected on the side of described device housings away from palm.During design, consider that wrist-watch is worn on left hand by common people's custom and design.Therefore designing is being reference substance with described device housings, the left side of described device housings.

By above-mentioned design, allow, easily for the wearable device being provided with screen expansion interface increases external power supply, to solve stand-by time problem.

Can also be designed to, described device housings is the shell of watch case, and described device housings is also connected with watchband; Described watchband is equipped with accumulator, and described accumulator is connected with the microprocessor system in described device housings.

Or described device housings is the shell of watch case, and described device housings is also connected with watchband; The accumulator of described battery system is arranged on described device housings outside, and is arranged on described watchband.

So that reduce device housings inner assembly quantity, reduce device housings and submit to, improve the comfortableness worn.

Described watchband is provided with at least one hard cavity, and described accumulator is arranged in described hard cavity.

Can also be set to, be provided with two hard cavitys and at least two accumulators, in two hard cavitys, respectively accumulator is housed.

Be preferably, two described hard cavitys are separately positioned on described device housings both sides.Two described hard cavitys are rotatably connected with described device housings respectively.

The accumulator that volume is less than 0.8 cubic centimetre is set in described device housings.The accumulator that volume is less than 0.5 cubic centimetre is more preferably set.Or in described device housings, no longer accumulator is set.

Dismountablely below described device housings be connected with a base, described base both sides connect described watchband, and then watchband and device housings are linked together by base.

Described base is provided with electrode contacts, and described electrode contacts connects the accumulator on described watchband; Described device housings is provided with the electrode contact mated with described electrode contacts, and described electrode contact connects microprocessor system, or described electrode contact is connected to battery system and connects microprocessor system by battery system.

External connection display equipment comprises a display system, and described display system is provided with a display screen, it is characterized in that, also comprises a display screen shell, and described display screen is contained on described display screen shell;

Described display system is also provided with a video reception module; Described display screen connects a display driver circuit, and described display driver circuit connects described video reception module, described video reception model calling one video input interface.

Also comprise a power-supply system, described power-supply system comprises a battery system, and described power-supply system connects described display system.Be that display system is powered by power-supply system.After video reception module receives vision signal, display screen is driven to show through display driver circuit.

Described screen size is preferably greater than 3 cun, is less than 5 cun.So that wear.

Can be set to, in described external connection display equipment, be provided with microprocessor system and buffer memory, but the storer for preserving write data is not set.

Or, in described external connection display equipment, be provided with microprocessor system, buffer memory and stored program program storage.The state that can also arrange arranges storer.Comprise screen intensity for storing, sound size, wifi password, Bluetooth pairing information, screen whether rotate at least one equipment configuration information.But the storer that user writes data is not set.

Described external connection display equipment does not have file download hold function.Described external connection display equipment does not have software installation function.

Described video reception module possesses the function of at least one signal transfer mode in the vision signal receiving and again compress after the decoded vision signal of video card, the vision signal of decoding without video card, video card decoding.

More preferably, described video reception module possesses the function receiving at least two kinds of signal transfer modes in the vision signal of decoding without video card, the vision signal again compressed after the decoded vision signal of video card, video card decoding.

Described external connection display equipment also comprises a microprocessor system, described microprocessor system identifies received signal mode, judge whether be without the vision signal of video card decoding, the one in the vision signal that the decoded vision signal of video card, video card compress after decoding again, in a case of yes, select corresponding signal transfer mode, carry out video reception work by video reception mould.

Described external connection display equipment is adopting the signal transfer mode through the decoded vision signal of video card, once receive through the decoded frame video signal of video card, vision signal is sent to display driver circuit, drives described display screen to show by display driver circuit.

Described external connection display equipment is provided with microprocessor system and buffer memory, adopting the signal transfer mode through the decoded vision signal of video card, once receive the vision signal more than the decoded frame of video card, first received vision signal is deposited in buffer memory, then according to the time-sequencing of frame signal, described microprocessor system transfers vision signal in the buffer, shows successively.The video signal data of display has been completed in deletion buffer memory after display work completes.

Described external connection display equipment is provided with microprocessor system and buffer memory, and after receiving the vision signal without video card decoding, microprocessor system judges video signal format, and calls the player meeting this video signal format, carries out vision signal broadcasting.

Described external connection display equipment is provided with microprocessor system and buffer memory, described microprocessor system has one for playing the special player of the vision signal again compressed after video card is decoded, again, after the vision signal compressed after receiving video card decoding, described microprocessor system is called described special player and is play.

Described special player can adopt DST PLAYER framework.

Also be provided with a video card in described external connection display equipment, described microprocessor system connects described video card, and described video card connects described display system.Data in buffer memory, after video card process, send display system to and show.

Described video input interface can adopt at least one in wired signal of video signal interface, communicating wireless signals module, infrared data communications module.

Described video input interface can pass through at least one Signal reception vision signal in wire signal, wireless signal or infrared signal.

Described wired signal of video signal interface is arranged on described display screen shell.

Described video reception module can adopt MHL receiver module.The described video input interface of MHL receiver module can adopt Micro USB interface.

Further, described video reception module can be, Micro USB MHL turns HDMI module.

Described video reception module can also adopt Miracast receiving equipment.

Described external connection display equipment is provided with a wifi hotspot module.Wireless routing is to external world avoided to cause dependence.

Described Miracast receiving equipment is connected with communicating wireless signals module.By communicating wireless signals module transfer vision signal.

Described display screen shell is provided with video input interface described in.

When using communicating wireless signals module, the antenna of communicating wireless signals module is arranged in display screen shell.

When using infrared data communications module, the printing opacity interface of infrared data communications module is arranged on described device housings.

Can be that described video input interface adopts wired signal of video signal interface, the socket of described wired signal of video signal interface be arranged on described display screen outer side.So that carry out grafting with the wearable device being provided with screen expansion interface.

Described display screen shell is provided with wearable device stationary installation.Described wearable device stationary installation comprises snap close and release tab.So that locking wearable device stationary installation, and wearable device stationary installation is unlocked, allow to depart from.

Described external connection display equipment also comprises a keyboard system, and described keyboard system connects a keyboard communication module, and described keyboard communication module is connected with a keyboard communication interface.

Described keyboard communication interface can be wired keyboard communication interface.Also can be that described keyboard communication interface adopts a wireless signal module.Such as can adopt Bluetooth signal module.

Also can be that described keyboard communication interface adopts an infrared signal module.

Described keyboard communication interface can adopt same Signal transmissions channel with described video input interface.So that simplification structure.The data of keyboard transmission are less, share Signal transmissions channel, substantially can not affect video transmission quality with video input interface.

Therefore can be that described keyboard communication interface adopts at least one in described communicating wireless signals module, described infrared data communications module, Micro USB interface.

Described external connection display equipment also comprises a touch-screen system, and described touch-screen system comprises touch sensing device and touch screen signal disposal system, and the induction region of described touch sensing device is positioned at above described display screen; Described touch screen signal disposal system is connected with a touch panel communication interface.

Described touch panel communication interface can be wired touch panel communication interface.Also can be that described touch panel communication interface adopts a communicating wireless signals module.Such as can adopt Bluetooth signal module.

Also can be that described touch panel communication interface adopts an infrared signal module.

Described touch panel communication interface can adopt same Signal transmissions channel with described video input interface.So that simplification structure.The data of touch-screen transmission are less, share Signal transmissions channel, substantially can not affect video transmission quality with video input interface.

Therefore can be that described touch panel communication interface can adopt at least one in described communicating wireless signals module, described infrared data communications module, Micro USB interface.

Described external connection display equipment also comprises an audio input system, an audio output system and a bluetooth module, and described audio input system and described audio output system are connected to bluetooth module described in respectively.

Distance between the Mike of described audio input system and the loudspeaker of described audio output system is greater than 5cm, is less than 10cm.

Or described external connection display equipment is provided with a Bluetooth earphone system.

Described Bluetooth earphone system only can be provided with switch-on keying.Described Bluetooth earphone system can also be provided with switch-on keying, on-hook button.Switch-on keying and on-hook button, can for the touch key-press shown on a display screen.

Distance between the Mike of described Bluetooth earphone system and loudspeaker is greater than 4cm, is less than 15cm.

Communicated by the bluetooth communication of bluetooth module with the wearable device being provided with screen expansion interface.And then realization external connection display equipment is called.

Described audio output system also with video reception model calling.So that play the sound signal transmitted.

Described external connection display equipment also comprises a NFC device, and NFC device is connected with a memory storage, has the unpaired message storing video input interface in described memory storage.So that matched by NFC device.

The unpaired message of at least interface of one of them in keyboard interface, touch screen interface, audio input output interface is also included in described memory storage.

The antenna of the described NFC device of described external connection display equipment is positioned at the back of described display screen shell.So that be contained in be provided with screen expansion interface wearable device on time, keep NFC communication.

The antenna of described NFC device is positioned at the below of the display screen of described external connection display equipment.

Described display screen is preferably OLED display screen, LCDs.

The antenna of described NFC device is positioned at the position within apart from display screen overhead surface 1.5cm.Further preferably, the position within display screen overhead surface 1cm is positioned at.

The antenna of described NFC device can be between the backlight and reflector layer of LCDs.Or the rear of described reflector layer can be attached to.To ensure the homogeneity that can not have influence on backlight.

Described reflector layer is preferably nonmetal reflecting coating.To avoid the signal slackened or screened shielded antanna receives or sends.

Accompanying drawing explanation

Fig. 1 is the circuit block diagram of the major part of a kind of circuit of the wearable device being provided with screen expansion interface;

Fig. 2 is the circuit block diagram of the major part of a kind of circuit of external connection display equipment;

Fig. 3 is the circuit block diagram of the major part of the another kind of circuit of external connection display equipment;

Fig. 4 is a kind of structural representation of wearable device expanding system;

Fig. 5 is the part-structure schematic diagram of the display of built-in NFC;

Fig. 6 is a kind of structural representation of the wearable device being provided with screen expansion interface;

Fig. 7 is the another kind of structural representation of the wearable device being provided with screen expansion interface.

Embodiment

The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, setting forth the present invention further below in conjunction with concrete diagram.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, wearable device expanding system, comprise the wearable device being provided with screen expansion interface, the wearable device being provided with screen expansion interface comprises wearable device main body, wearable device main body comprises device housings, be provided with microprocessor system a1 and power-supply system a2 in device housings, in power-supply system a2, be provided with battery system a21; Microprocessor system a1 connects a Video Output Modules a3, and Video Output Modules a3 connects a video output interface a32; Also comprise an external connection display equipment, external connection display equipment comprises a display system, and display system is provided with a display screen b4, also comprises a display screen shell, and display screen b4 is contained on display screen shell; Display system is also provided with a video reception module b2; Display screen b4 connects a display driver circuit b3, and display driver circuit b3 connects video reception module b2, and video reception module b2 connects a video input interface b1; Video input interface b1 and video output interface a32 matches.By above-mentioned design, the display expansion of wearable device can be realized.Effectively can solve the too little inconvenience brought of wearable device screen.And be easy to wearable device and external device carries out alternately.

With reference to Fig. 4, video input interface b1 can be arranged on wearable device stationary installation 4, and video output interface a32 can be arranged on snap close 3, with while grafting, completes docking of video input interface b1 and video output interface a32.

To the wearable device being provided with screen expansion interface of wearable device expanding system be formed below, and external connection display equipment separately explanation.Be provided with each communication interface coupling corresponding in the wearable device of screen expansion interface and external connection display equipment.

Be provided with the wearable device of screen expansion interface, comprise wearable device main body, wearable device main body comprises device housings, power-supply system a2, is provided with microprocessor system a1 in device housings 1, is provided with battery system a21 in power-supply system a2; Microprocessor system a1 connects a Video Output Modules a3, and Video Output Modules a3 connects a video output interface a32.Power-supply system a2 can be arranged in device housings 1.

What Video Output Modules a3 exported is vision signal.The decoded vision signal of video card can be through.Also can be the vision signal without video card decoding.It can also be the vision signal again compressed after video card decoding.The vision signal that Video Output Modules a3 exports can be without the vision signal of video card decoding, at least one in the vision signal that the decoded vision signal of video card, video card compress after decoding again.More preferably, Video Output Modules a3 possesses the function transmitting at least two kinds of signal transfer modes in the vision signal of decoding without video card, the vision signal again compressed after the decoded vision signal of video card, video card decoding; Run in microprocessor system a1 and have a signal transfer mode to select module, when transmitting non-video play content, different from the signal transfer mode adopted when transmission of video play content.

More preferably, the vision signal again compressed adopt video card decoding when transmitting non-video play content after, adopts the vision signal without video card decoding when transmission of video play content.To ensure that video playback is smooth.Carry out in the signal transfer mode transmitted adopting the vision signal without video card decoding, microprocessor system a1 calls the required video file play, then by video file according to reproduction time sequencing, after splitting into video file segments, respectively video file segments is sent by Video Output Modules a3 according to reproduction time sequencing.Carry out in the signal transfer mode transmitted in employing through the decoded vision signal of video card, video file is distributed to video card and is decoded by microprocessor system a1, decoded information, comprises clock signal, data-signal is sent by Video Output Modules a3.

Be preferably, the information of every frame picture that video card decodes, sends respectively by Video Output Modules a3 according to time sequencing.This transmission mode, on video reception apparatus, can render on display screen as long as carry out identification to signal.And do not need again to decode according to file layout, do not need video card to assist.Also can be, information that 2 frames are less than or equal to the picture of 10 frames that what video card decoded be more than or equal to, after time sequencing sequence, disposablely to be sent by Video Output Modules a3.So that under ensureing to adopt less check bit sum to verify the prerequisite of number of times, significantly broadcasting can not be caused delayed.On video reception apparatus, as long as identify signal, row cache of going forward side by side can be rendered on display screen.

Again the vision signal compressed after adopting video card decoding is carried out in the signal transfer mode transmitted, video file is distributed to video card and is decoded by microprocessor system a1, decoded information, comprise clock signal, data-signal, compress, after forming compressed package, sent by Video Output Modules a3.

Microprocessor system a1, by decoded for video card video file, unifies the video file compression bag of the same form of boil down to.Such as no matter video file is mp4 form, MOV form, mpeg format, AVI form, WMV form, or extended formatting, and after video card decoding, microprocessor system a1 is all by a kind of for its boil down to video format file fragment.The video format of existing most of form is all compressed formats of video file.Therefore the formation compressed package said in this patent can be the video format file forming compressed format.

Device housings 1 is provided with the fixed part 2 for being worn on human body.The wearable device being provided with screen expansion interface can at least one in wrist-watch, bracelet, ring, brooch, belt buckle, chest card, suspension member, necklace.Wearable device main body can be at least one in intelligent watch, wrist watch mobile phone, intelligent glasses.Device housings 1 can be at least one in the shell of watch case, bracelet, ring, brooch, belt buckle, chest card, suspension member pattern.

Device housings 1 is connected with fixed part 2, and fixed part 2 can be at least one of watchband, necklace lanyard, eyes frame, Guan Zhenzhong.Wherein close pin and be also called small pin, fibula, safety pin.What in Fig. 4, fixed part 2 adopted is watchband.When fixed part 2 adopts watchband, device housings 1 has a groove 16 supporting with watchband, watchband is passed by groove 16.

Can also receiver 14 and microphone 15 be set on fixed part 2.With reference in Fig. 6, Fig. 6, be provided with receiver 14 in one end of watchband, the other end is provided with microphone 15.Like this when utilizing wearable device main body, as wearable device main body has telephone communication function, this telephone communication function just can realize by said structure.

Video Output Modules a3 adopts MHL interface module.Mobile High-Definition Link (MHL) mobile terminal high-definition audio and video standard interface, it is a kind of audio-visual standard interface connecting portable consumer electronic device, MHL only uses a bars cable, can be presented on HDTV by standard HDMI input interface.It has used existing Micro USB interface, no matter be mobile phone, digital camera, digital camera and portable media player, all complete media content directly can be transferred on TV and do not damage the high-resolution effect of film.

Video output interface a32 can be cable video interface.Video output interface a32 is preferably Micro USB interface.Can be that the Peripheral Interface of MHL interface module is preferably Micro USB interface further.Or also can be, video output interface a32 adopts a wireless signal transmission module.By wireless signal output video signal.

Video Output Modules a3 can also adopt Miracast equipment.Miracast is the Wi-Fi CERTIFIED Miracast that WiFi Alliance announces on September 19th, 2012 to start ^tMauthentication item.Miracast equipment provides to simplify and finds and arrange, and user can rapidly at equipment room transmission of video.The mode of transmission is wireless transmission.Miracast equipment connection has wireless signal transmission module.By wireless signal transmission module transmission video signal.Microprocessor system a1 is connected with a wifi hotspot module.Wireless routing is to external world avoided to cause dependence.Also can be that video output interface a32 adopts an infrared signal transmission module.By infrared signal output video signal.

The wearable device being provided with screen expansion interface also comprises a display system a31, and display system a31 comprises a display screen; Video Output Modules a3 employing one has the Video Output Modules a3 of multi output function, and at least two delivery outlets with the Video Output Modules a3 of multi output function connect at least one video output interface a32 and display system a31 respectively.Be provided with the display location of the wearable device of screen expansion interface on device housings 1.

The video card that Video Output Modules a3 can adopt one to have at least two output ports, or adopt at least two video cards.To realize multi output function, allow at least two the display device display different pictures connected.

The wearable device being provided with screen expansion interface also comprises a touch-screen system a4, and microprocessor system a1 connects touch-screen system a4, and the touching induction region of touch-screen system a4 is positioned at above display screen.

Run in microprocessor system a1 and have a screen function to divide software, screen function divides software and comprises displaying contents distribution module; Screen function divides software and displaying contents is divided into display frame 11 and controls key interface 12, and display frame 11 is exported by video output interface a32, shows on a display screen by control key interface 12; And then realize the control by being provided with touch-screen system a4 on the wearable device of screen expansion interface video output interface a32 being exported to picture.Control key interface can be at least one in keyboard interface, shortcut combined interface, hyperlink combined interface.

Or run in microprocessor system a1 and have a screen function to divide software, touch pad driver module, screen function divides software and comprises displaying contents distribution module; Screen function is divided software and display frame is exported by video output interface a32, and by a touch pad interface display on a display screen; The touch signal of touch pad driver module response touch-screen system a4, and then display screen is converted into touch pad.And then realize the control by being provided with touch-screen system a4 on the wearable device of screen expansion interface video output interface a32 being exported to picture.Touch pad interface comprises a touch area and at least one touch key-press.Touch key-press practical function performs.Such as realize the function of left button, right button, roller bearing key or other function keys.

Microprocessor system a1 is also connected with a keyboard communication agency a7, and keyboard communication agency a7 connects a keyboard interface.Keyboard interface can be wired keyboard interface.Also can be, keyboard interface adopts a wireless communication module.Such as bluetooth communication can be adopted.Also can be, keyboard interface adopts an infrared communication module.

Keyboard interface can adopt same Signal transmissions channel with video output interface a32.So that simplification structure.The data of keyboard transmission are less, share Signal transmissions channel, substantially can not affect video transmission quality with video output interface a32.Therefore can be that keyboard interface adopts at least one in wireless signal transmission module, infrared signal transmission module, Micro USB interface.

Microprocessor system a1 is also connected with a touch panel communication mechanism a8, and touch panel communication mechanism a8 connects a touch screen interface.Touch screen interface can be wired touch screen interface.Also can be, touch screen interface adopts a wireless communication module.Such as bluetooth communication can be adopted.Also can be, touch screen interface adopts an infrared communication module.

Touch screen interface can adopt same Signal transmissions channel with video output interface a32.So that simplification structure.The data of touch-screen transmission are less, share Signal transmissions channel, substantially can not affect video transmission quality with video output interface a32.

Therefore can be that touch screen interface adopts at least one in wireless signal transmission module, infrared signal transmission module, Micro USB interface.Cable video interface 13 is arranged on device housings 1.Wired keyboard interface is arranged on device housings 1.Wired touch screen interface is arranged on device housings 1.When using wireless signal transmission module, the antenna of wireless signal transmission module is arranged in device housings 1.When using infrared signal transmission module, the printing opacity interface of infrared signal transmission module is arranged on device housings 1.The signalling contact of cable video interface 13 and wired keyboard interface is arranged in same slot.So that grafting.The signalling contact of cable video interface 13 and wired touch screen interface is arranged in same slot.So that grafting.Microprocessor system a1 is also connected with an audio frequency input/output mechanism a9, and audio frequency input/output mechanism a9 connects an audio input output interface.

Audio input output interface can be wireline audio interface.Audio input output interface also can be wireless audio interface.Such as can adopt Bluetooth audio frequency interface module.Also can be that audio input output interface also can adopt an infrared acoustic frequency interface module.Audio input output interface can adopt same Signal transmissions channel with video output interface a32, touch screen interface.So that simplification structure.Therefore can be that audio input output interface can adopt at least one in wireless signal transmission module, infrared signal transmission module, Micro USB interface.

Microprocessor system a1 is also connected with NFC module a6.The information that NFC module a6 calls comprises the unpaired message of video output interface a32.So that matched by NFC module a6.The unpaired message of at least interface of one of them in keyboard interface, touch screen interface, audio input output interface is also comprised in the information that NFC module a6 calls.So that matched by NFC module a6.The wearable device being provided with screen expansion interface is provided with display screen, and the antenna of NFC module a6 is positioned at the below of display screen.

Display screen is preferably OLED display screen, LCDs 7.The antenna of NFC module a6 is positioned at the position within apart from display screen overhead surface 1.5cm.Further preferably, the position within display screen overhead surface 1 cm is positioned at.Antenna 9 with reference to Fig. 5, NFC module a6 can be between the backlight 8 and reflector layer 10 of LCDs 7.Or the rear of reflector layer can be attached to.To ensure the homogeneity that can not have influence on backlight.Reflector layer is preferably nonmetal reflecting coating.To avoid the signal slackened or screened shielded antanna receives or sends.Device housings 1 is provided with external screen stationary installation.External screen stationary installation comprises snap close 3 and release tab 17.So that locking external screen, and external screen is unlocked, allow to depart from.The display screen being less than 2.0 cun device housings 1 is equipped with.Be preferably the display screen of 0.5 cun ~ 1.6 cun.Or, device housings 1 does not install LCDs.But device housings 1 installs dot matrix LED display screen.Or other simple and easy screens.Only by the display screen display simple content on device housings 1.Even, device housings 1 does not install display screen, as shown in Figure 7.The external connection display equipment that the display carried out connects only by video output interface a32 shows.So that simplification structure.

The wearable device being provided with screen expansion interface can comprise a mobile phone communication module a5, and mobile communication module a5 connects audio frequency input/output mechanism a9, and audio frequency input/output mechanism a9 connects a Bluetooth audio frequency interface module.For being connected with bluetooth earphone.

The device housings 1 being provided with the wearable device of screen expansion interface is provided with bluetooth earphone fixed mechanism.Dismountablely on bluetooth earphone fixed mechanism be fixed with bluetooth earphone.Bluetooth fixed mechanism can be at least one fixed mechanism in draw-in groove, buckle, jack 5, slide rail.There is Bluetooth headset charging interface at bluetooth earphone fixed mechanism place, and bluetooth earphone is provided with the charging port mated with Bluetooth headset charging interface.So that charge when being fixed on fixed mechanism.Bluetooth earphone is provided with a starting switch.So that control bluetooth earphone on off state.Bluetooth earphone fixed mechanism is provided with a starting switch control assembly; Starting switch and starting switch control assembly form a proximity switch mechanism.At starting switch, close to or contact start switch control section time close, when leaving open.Thus realize, when bluetooth earphone is on Bluetooth earphone fixing structure close or standby, proceed to duty when taking.Starting switch is provided with a switch controlling signal input end, and switch controlling signal input end connects a sensor element, and sensor element can adopt at least one in magnetic switch, capacitive transducer, light sensor, electromagnetic sensor, pressure transducer.Starting switch is preferably a magnetic switch.Starting switch control assembly is a magnetic part.The switch controlling signal input end of starting switch connects a capacitive transducer.Starting switch control assembly is a capacitive part, or is an inductance component.Starting switch is preferably a light sensor.Starting switch control assembly is a light-emitting component.Light-emitting component connects a signal generating module.Starting switch is preferably a pressure switch.

Device housings 1 is provided with an outlet 18, and is provided with a battery fixing structure; Also comprise a battery module, battery module is provided with the attaching plug mated with outlet 18, and battery module is fixed on device housings 1 outside by battery fixing structure is dismountable.Can using outlet as battery fixing mechanism.

Outlet adopts the one in the male mouth of USB or the female mouth of USB.Be preferably the female mouth of mini USB.Or, be preferably the female mouth of Micro USB.

Battery fixing structure can be at least one in plug-in connection, rail structure, interface arrangment.Battery fixing structure is provided with locking snap close, and locking snap close is provided with release tab.By locking snap close locking battery module, complete unblock by release tab, battery module is departed from.Also can be on battery module, arrange locking snap close, locking snap close be provided with release tab.By locking snap close locking battery module, complete unblock by release tab, battery module is departed from.

Battery module is connected on device housings 1 side.When device housings 1 adopts watch style shell, be preferably connected on the side of device housings 1 away from palm.During design, consider that wrist-watch is worn on left hand by common people's custom and design.Therefore designing is being reference substance with device housings 1, the left side of device housings 1.By above-mentioned design, allow, easily for the wearable device being provided with screen expansion interface increases external power supply, to solve stand-by time problem.

Can also be designed to, device housings 1 is the shell of watch case, and device housings 1 is also connected with watchband; Watchband is equipped with accumulator, and accumulator is connected with the microprocessor system a1 in device housings 1.Or device housings 1 is the shell of watch case, and device housings 1 is also connected with watchband; The accumulator of battery system a21 is arranged on device housings 1 outside, and is arranged on watchband.So that reduce device housings 1 inner assembly quantity, reduce device housings 1 and submit to, improve the comfortableness worn.

Watchband is provided with at least one hard cavity, and accumulator is arranged in hard cavity.Can also be set to, be provided with two hard cavitys and at least two accumulators, in two hard cavitys, respectively accumulator is housed.Be preferably, two hard cavitys are separately positioned on device housings 1 both sides.Two hard cavitys are rotatably connected with device housings 1 respectively.

The accumulator that volume is less than 0.8 cubic centimetre is set in device housings 1.The accumulator that volume is less than 0.5 cubic centimetre is more preferably set.Or in device housings 1, no longer accumulator is set.

Described watchband is provided with electrode contacts, and electrode contacts connects the accumulator on watchband; Device housings 1 is provided with the electrode contact mated with electrode contacts, and electrode contact connects microprocessor system a1, or electrode contact is connected to battery system a21 by battery system a21 connection microprocessor system a1.

Described watchband is provided with at least two pieces of accumulators, after accumulator is interconnected, then connects described electrode contacts.And then be connected to microprocessor system a1 further.The instability problem avoiding multiple accumulator to be connected respectively to microprocessor system a1 causing.Or dismountablely below device housings 1 be connected with a base, base both sides connect watchband, and then watchband and device housings 1 are linked together by base.Base is provided with electrode contacts, and electrode contacts connects the accumulator on watchband; Device housings 1 is provided with the electrode contact mated with electrode contacts, and electrode contact connects microprocessor system a1, or electrode contact is connected to battery system a21 by battery system a21 connection microprocessor system a1.

External connection display equipment comprises a display system, and display system is provided with a display screen b4, also comprises a display screen shell 6, and display screen b4 is contained on display screen shell 66; Display system is also provided with a video reception module b2; Display screen b4 connects a display driver circuit b3, and display driver circuit b3 connects video reception module b2, and video reception module b2 connects a video input interface b1.Also comprise a power-supply system, power-supply system b8 comprises a battery system, and power-supply system b8 connects display system.Be that display system is powered by power-supply system b8.After video reception module b2 receives vision signal, display screen b4 is driven to show through display driver circuit b3.When being provided with microprocessor system, microprocessor system connects power-supply system b8.Display screen b4 is preferably dimensioned to be and is greater than 3 cun, is less than 5 cun.So that wear.Can be set to, in external connection display equipment, be provided with microprocessor system and buffer memory, but the storer for preserving write data is not set.Or, in external connection display equipment, be provided with microprocessor system, buffer memory and stored program program storage.The state that can also arrange arranges storer.Comprise screen intensity for storing, sound size, wifi password, Bluetooth pairing information, screen whether rotate at least one equipment configuration information.But the storer that user writes data can not be set.

External connection display equipment does not have file download and preserves.External connection display equipment does not have software installation function.Video reception module b2 possesses the function of at least one signal transfer mode in the vision signal receiving and again compress after the decoded vision signal of video card, the vision signal of decoding without video card, video card decoding.

More preferably, video reception module b2 possesses the function receiving at least two kinds of signal transfer modes in the vision signal of decoding without video card, the vision signal again compressed after the decoded vision signal of video card, video card decoding.

External connection display equipment also comprises a microprocessor system b5, microprocessor system b5 identifies received signal mode, judge whether be without the vision signal of video card decoding, the one in the vision signal that the decoded vision signal of video card, video card compress after decoding again, in a case of yes, select corresponding signal transfer mode, carry out video reception work by video reception mould.

External connection display equipment is adopting the signal transfer mode through the decoded vision signal of video card, once receive through the decoded frame video signal of video card, vision signal is sent to display driver circuit b3, drives display screen b4 to show by display driver circuit b3.

External connection display equipment is provided with microprocessor system b5 and buffer memory, adopting the signal transfer mode through the decoded vision signal of video card, once receive the vision signal more than the decoded frame of video card, first received vision signal is deposited in buffer memory, then according to the time-sequencing of frame signal, microprocessor system b5 transfers vision signal in the buffer, shows successively.The video signal data of display has been completed in deletion buffer memory after display work completes.

External connection display equipment is provided with microprocessor system b5 and buffer memory, and after receiving the vision signal without video card decoding, microprocessor system b5 judges video signal format, and calls the player meeting this video signal format, carries out vision signal broadcasting.

External connection display equipment is provided with microprocessor system b5 and buffer memory, microprocessor system b5 has one for playing the special player of the vision signal again compressed after video card is decoded, again, after the vision signal compressed after receiving video card decoding, microprocessor system b5 calls special player and plays.Special player can adopt DST PLAYER framework.

Also be provided with a video card b6 in external connection display equipment, microprocessor system b5 connects video card b6, and video card b6 connects display system.Data in buffer memory, after video card b6 process, send display system to and show.Video input interface b1 can adopt at least one in wired signal of video signal interface, communicating wireless signals module, infrared data communications module.Video input interface b1 can pass through at least one Signal reception vision signal in wire signal, wireless signal or infrared signal.Wired signal of video signal interface is arranged on display screen b4 shell.Video reception module b2 can adopt MHL receiver module.The video input interface of MHL receiver module can adopt Micro USB interface.Further, video reception module b2 can be, Micro USB MHL turns HDMI module.Video reception module b2 can also adopt Miracast receiving equipment.External connection display equipment is provided with a wifi hotspot module.Wireless routing is to external world avoided to cause dependence.Miracast receiving equipment is connected with communicating wireless signals module.By communicating wireless signals module transfer vision signal.Display screen b4 shell is provided with a video input interface b1.When using communicating wireless signals module, the antenna of communicating wireless signals module is arranged in display screen shell 6.When using infrared data communications module, the printing opacity interface of infrared data communications module is arranged on device housings.Can be that video input interface b1 adopts wired signal of video signal interface, the socket of wired signal of video signal interface be arranged on outside display screen shell 6.So that carry out grafting with the wearable device being provided with screen expansion interface.

Display screen shell 6 is provided with wearable device stationary installation 4.Wearable device stationary installation comprises snap close and release tab.So that locking wearable device stationary installation, and wearable device stationary installation is unlocked, allow to depart from.

External connection display equipment also comprises a keyboard system b10, and keyboard system b10 connects microprocessor system b5, and keyboard system b10 connects a keyboard communication module, and keyboard communication module is connected with a keyboard communication interface.When not establishing microprocessor system b5, when being namely only provided with display driver circuit, keyboard system b10 connects a keyboard drive circuit.

Keyboard communication interface can be wired keyboard communication interface.Also can be that keyboard communication interface adopts a wireless signal module.Such as can adopt Bluetooth signal module.Also can be that keyboard communication interface adopts an infrared signal module.Keyboard communication interface can adopt same Signal transmissions channel with video input interface b1.So that simplification structure.The data of keyboard transmission are less, share Signal transmissions channel, substantially can not affect video transmission quality with video input interface b1.Therefore can be that keyboard communication interface adopts at least one in communicating wireless signals module, infrared data communications module, Micro USB interface.

External connection display equipment also comprises a touch-screen system b9, and touch-screen system b9 connects microprocessor system b5, and touch-screen system b9 comprises touch sensing device and touch screen signal disposal system, and the induction region of touch sensing device is positioned at above display screen; Touch screen signal disposal system is connected with a touch panel communication interface.When not establishing microprocessor system b5, when being namely only provided with display driver circuit, touch-screen system b9 connects a driving circuit.Touch panel communication interface can be wired touch panel communication interface.Also can be that touch panel communication interface adopts a communicating wireless signals module.Such as can adopt Bluetooth signal module.Also can be that touch panel communication interface adopts an infrared signal module.

Touch panel communication interface can adopt same Signal transmissions channel with video input interface b1.So that simplification structure.The data of touch-screen transmission are less, share Signal transmissions channel, substantially can not affect video transmission quality with video input interface b1.Therefore can be that touch panel communication interface can adopt at least one in communicating wireless signals module, infrared data communications module, MicroUSB interface.

External connection display equipment also comprises an audio input system, an audio output system and a bluetooth module, and audio input system and audio output system are connected to a bluetooth module respectively.Distance between the Mike of audio input system and the loudspeaker of audio output system is greater than 5cm, is less than 10cm.Or external connection display equipment is provided with a Bluetooth earphone system.Bluetooth earphone system is provided with switch-on keying.On-hook button can also be set.Switch-on keying and on-hook button, can for the touch key-press shown on display screen b4.Distance between the Mike of Bluetooth earphone system and loudspeaker is greater than 4cm, is less than 15cm.Be preferably, Mike is arranged on display screen shell 6 side, and loudspeaker is arranged on the relative opposite side of display screen shell 6.Communicated by the bluetooth communication of bluetooth module with the wearable device being provided with screen expansion interface.And then realization external connection display equipment is called.Audio output system is also connected with video reception module b2.So that play the sound signal transmitted.

External connection display equipment also comprises a NFC device b7, and NFC device b7 is connected with a memory storage, has the unpaired message storing video input interface b1 in memory storage.So that matched by NFC device b7.NFC device b7 connects microprocessor system b5, and when not establishing microprocessor system b5, when being namely only provided with display driver circuit, NFC device b7 connects a NFC treatment circuit, or the direct built-in treatment circuit of NFC device b7.The unpaired message of at least interface of one of them in keyboard interface, touch screen interface, audio input output interface is also included in memory storage.The antenna of the NFC device b7 of external connection display equipment is positioned at the back of display screen shell 6.So that be contained in be provided with screen expansion interface wearable device on time, keep NFC communication.The antenna of NFC device b7 is positioned at the below of the display screen b4 of external connection display equipment.Display screen b4 is preferably OLED display screen, LCDs.The antenna of NFC device b7 is positioned at the position within apart from display screen b4 overhead surface 1.5cm.Further preferably, the position within display screen b4 overhead surface 1cm is positioned at.Antenna 9 with reference to Fig. 5, NFC device b7 can be between the backlight 8 and reflector layer 10 of LCDs.Or the rear of reflector layer can be attached to.To ensure the homogeneity that can not have influence on backlight.Reflector layer is preferably nonmetal reflecting coating.To avoid the signal slackened or screened shielded antanna receives or sends.

More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.

Claims (6)

1. wearable device expanding system, it is characterized in that, comprise the wearable device being provided with screen expansion interface, the wearable device being provided with screen expansion interface comprises wearable device main body, described wearable device main body comprises device housings, be provided with microprocessor system and power-supply system in described device housings, in described power-supply system, be provided with battery system;

Described microprocessor system connects a Video Output Modules, and described Video Output Modules connects a video output interface;

Also comprise an external connection display equipment, external connection display equipment comprises a display system, and described display system is provided with a display screen, also comprises a display screen shell, and described display screen is contained on described display screen shell;

Described display system is also provided with a video reception module; Described display screen connects a display driver circuit, and described display driver circuit connects described video reception module, described video reception model calling one video input interface; Described video input interface and described video output interface match.

2. be provided with the wearable device of screen expansion interface, comprise wearable device main body, described wearable device main body comprises device housings, power-supply system, be provided with microprocessor system in described device housings, it is characterized in that, in described power-supply system, be provided with battery system;

Described microprocessor system connects a Video Output Modules, and described Video Output Modules connects a video output interface.

Described power-supply system can be arranged in described device housings.

What Video Output Modules exported is vision signal.

3. external connection display equipment according to claim 2, is characterized in that, also comprises a power-supply system, and described power-supply system comprises a battery system, and described power-supply system connects described display system.

4. external connection display equipment according to claim 2, is characterized in that, described screen size is greater than 3 cun, is less than 5 cun.

5. external connection display equipment according to claim 2, is characterized in that, is provided with microprocessor system and buffer memory in described external connection display equipment, but does not arrange the storer for preserving write data.

6. external connection display equipment comprises a display system, and described display system is provided with a display screen, it is characterized in that, also comprises a display screen shell, and described display screen is contained on described display screen shell;

Described display system is also provided with a video reception module; Described display screen connects a display driver circuit, and described display driver circuit connects described video reception module, described video reception model calling one video input interface.