CN107371076A - A kind of earphone and terminal device with projecting function - Google Patents
A kind of earphone and terminal device with projecting function Download PDFInfo
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- CN107371076A CN107371076A CN201610311992.9A CN201610311992A CN107371076A CN 107371076 A CN107371076 A CN 107371076A CN 201610311992 A CN201610311992 A CN 201610311992A CN 107371076 A CN107371076 A CN 107371076A
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- 230000011664 signaling Effects 0.000 claims description 6
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- 230000008859 change Effects 0.000 description 6
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1008—Earpieces of the supra-aural or circum-aural type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72415—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories for remote control of appliances
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephone Function (AREA)
Abstract
The present invention provides a kind of earphone with projecting function, and earphone includes：Headset plug, control module, projection module.Headset plug, for being connected with the terminal device with earphone interface, the vision signal of receiving terminal apparatus transmission, and by video signal cable of the video signal transmission to earphone.Control module, terminal device is transferred to for sending control signal, and by control signal, to control terminal device to earphone transmission vision signal.Projection module, for being connected with video signal cable, the vision signal that video signal cable is sent is received, and video signal projection is come out.The present invention also provides a kind of terminal device.Earphone provided by the invention with projecting function, which can be received from the earphone interface of terminal device, transmits out vision signal, and video signal projection is come out, and terminal device provided by the invention can control earphone to project vision signal to earphone transmission vision signal.
Description
【Technical field】
The present invention relates to projection art, is set more specifically to a kind of earphone with projecting function and terminal
It is standby.
【Background technology】
People make visual telephone/see when video, it is necessary to mobile phone be taken out the video image checked on mobile phone.But
In the winter of cold, when carrying out visual telephone out of doors, general user is unwilling to take out mobile phone, and arrives air by finger is exposed
Middle operating handset checks video.If it can directly be projected forwards from the control module of earphone, then with gesture and facial expression or gloves
As projection plane, picture is allowed to be projected directly on hand from the control module of earphone, then user's can is not taking out mobile phone
In the case of, directly complete to see the function of video/dial visual telephone using earphone, it will so that user is much using earphone
Scene under have well experience.
Existing earphone mainly has three segment interface earphones and four segment interface earphones, and refering to Fig. 1, Fig. 2, Fig. 1 show three sections
The schematic diagram of interface headphones, Fig. 2 show the schematic diagram of four segment interface earphones, and three segment interface earphones 1 shown in Fig. 1 include three sections
Interface headphones L channel 10, three segment interface earphone dead rings 12, three segment interface earphone R channels 14, three segment interface earphones ground connection
16, three segment interface earphone dead rings have two, only schematically marked one here, four segment interface earphones 2 shown in Fig. 2 include
Four segment interface headset left channels 20, four segment interface earphone dead rings 22, four segment interface earphone R channels 24, four segment interface earphone wheats
Gram wind 26, four segment interface earphones ground connection 28, four segment interface earphone dead rings have 3, only schematically marked one here, existing
Four segment interface earphones have two kinds of different standards, and the ground connection of two standards is from microphone position on the contrary, therefore standard is different
Earphone is connected with cell phone apparatus in use, general sound transmission will not be problematic, but microphone be able to not can use.
The general principle of earphone control module is exactly the signal using the input of microphone signal passage and terminal device agreement,
After allowing terminal device equipment such as mobile phone or MP3 to identify, corresponding software processing is made.Control module circuit on one side connects
Ground wire, one end connection Mike's signal end, in the state of normal use Mike, the input of Mike's signal end for Mike audio signal.
Using suspending, rewind, during fast forward button, Mike's signal end then receives different signals according to the characteristics of circuit design.Due to not
It is different with the identification signal between the control module and device software of brand, thus the circuit design of control module have it is a variety of more
Sample, identification signal are also varied.In addition, some can only control the control module structure of receiving talking frequently more simple, it
A usual only button, when this button presses down, ground wire and Mike's line short circuit change the letter on Mike's line
Number, terminal performs receiving talking order after receiving.In the prior art, microphone signal line can be used as the lateral terminal of earphone
The passage of signal is transmitted in side, and tone frequency channel wire is then the passage of the lateral earpiece side outflow audio signal of terminal.
The electric signal of earphone interface output is analogy of alternating electricity signal, is used for driving the electromagnet on earphone under normal circumstances
Vibrating diaphragm sounding is driven, power output is in below 0.05W, and output voltage 1.3V, 32 Europe, maximum current are under normal circumstances for impedance
38mA.The load capacity of external devices is relatively limited, can not directly drive the similar device such as DSP, imaging modules.Earpiece audio line
Road can transmit the AC audio signal that signal frequency is 1250~9600Hz under normal circumstances, when transmitting audio, using mould
Intend debud mode.Because transmitted data amount can not meet the data demand of video, and carrier signal is AC signal, it is clear that nothing
Method is directly used in transmission video.
Fig. 3, Fig. 4 are referred to, Fig. 3 is the pictorial diagram of earphone interface first on existing terminal device, is in terminal shown in Fig. 3
The pictorial diagram for the 3.5mm earphone interfaces commonly used in equipment, is conventional earphone integrated interface, has drawn ground connection, microphone,
Left and right acoustic channels interface.Fig. 4 is the pictorial diagram of earphone interface second on existing terminal device, there is the insulating barrier of isolation metal conduction,
What can be become apparent from finds out headset plug position corresponding to different insulative layer, so as to be better understood from different earphone position transmission
The principle of unlike signal.
Transmission of video has multiple format, such as conventional H.324 protocol family when being wirelessly transferred, standard during wire transmission
Television video frequency signal etc..When standard television signal transmits, different signals is modulated into simultaneous transmission respectively at different frequencies, connect
Receiving end extracts signal respectively from different frequency, and the distribution of related carrier spectrum can refer to Fig. 5, and H.324 system is believed by numeral
Number transmission greatly removes the time of image and spatial redundancy so that transmitting that video turns under code check per second tens KB can
Energy.But even so, also it can not carry out video information by using to transmit the earpiece audio line of analog signal from bandwidth
Transmission.
No matter prior art is from the transmission bearing capacity of circuit, transmission of signal-type, and interface output driving feature etc.
Aspect, it can not all realize and utilize earphone interface transmission video signal, transmission frequency about 1~10KB of earphone cord, even if video
Transmission rate drops to tens KB, directly can not can not also be thrown vision signal come transmission video signal, earphone using earphone cord
Shadow comes out.
【The content of the invention】
The invention provides a kind of earphone with projecting function, again can both be believed video with transmission video signal
Number project.The earphone includes：
Headset plug, for being connected with the terminal device with earphone interface, receive the video of the terminal device transmission
Signal, and the video signal transmission gives the video signal cable of the earphone；
Control module, the terminal device is transferred to for sending control signal, and by the control signal, to control
State vision signal described in terminal device to the earphone transmission；
Projection module, for being connected with the video signal cable, receive the video letter that the video signal cable is sent
Number, and the video signal projection is come out.
Preferably, in addition to：
Video playback button, for controlling whether to send the control signal to the terminal device, wherein, the video
One end of broadcasting button is connected with the microphone signal line, the other end of the video playback button and one end of predetermined resistance
It is connected, the other end of the predetermined resistance is connected with the ground signal line；
The control module, it is additionally operable to, when the video playback button closes, the control be sent to the terminal device
Signal processed.
Preferably, the projection module, the number according to the control signal is additionally operable to, opens or closes projecting function.
Preferably, the earphone also includes：
Power module, for being connected with audio signal wire, the charging signals for receiving the audio signal wire transmission are filled
Electricity.
Preferably, the control module, it is additionally operable to receive the first signal that the terminal device is sent, according to described first
Signal plays audio；Wherein, the control module also includes audio signal handover module, the audio signal handover module, uses
In charged side of the audio signal wire from the power module to be switched to the earphone pars stridulans of the earphone, and pass through Mike
Wind signal wire sends the first confirmation signal to the terminal device, to notify the terminal device transmission audio signal；
The earphone pars stridulans, for receiving the audio signal, carry out audio broadcasting.
Preferably, when audio finishes, the control module, it is additionally operable to receive the second letter that the terminal device is sent
Number, confirm that the audio finishes according to the secondary signal；
The audio signal handover module, it is additionally operable to be believed audio according to the secondary signal that the terminal device is sent
Number line is switched to the charged side of the power module from the earphone pars stridulans, and by the microphone signal line to the end
End equipment sends the second confirmation signal, to notify the terminal device to send the charging signals.
Preferably, the power supply module includes voltage management module, the voltage management module, for when the power supply mould
When the undertension of block is to drive the projection module, the reminder message of not enough power supply is sent.
Preferably, the headset plug includes video contact, the video contact, for receiving the institute of the terminal device
Vision signal is stated, the headset plug includes video contact, microphone signal point, ground signalling point and sound channel signaling point, wherein
The sound channel signal point includes left channel signals point and/or right-channel signals point.
The present invention also provides a kind of terminal device, and the terminal device can control earphone to earphone transmission vision signal
Vision signal is projected, the terminal device includes：
Earphone interface, it is connected for the headset plug with earphone, for the terminal device by video signal transmission to institute
State earphone；
Vision signal switching control module, the control signal sent for receiving the earphone, according to the control signal
The vision signal is transferred to the earphone by the earphone interface, so that the earphone is projected.
Preferably, the vision signal switching control module also includes counter, and the counter is used to record the control
The cumulative number of signal processed, the display screen of the terminal device is turned on and off according to the cumulative number of the control signal.
Preferably, the terminal device also includes：
Module is checked, sends identification signal for the left channel signals point to the earphone, and detect the ear of the earphone
Whether machine transplanting of rice head-tail receives the identification signal, when that can not receive the identification signal, judges that the earphone can be regarded
Frequency signal transmits.
Preferably, the vision signal switching control module, the display for being additionally operable to judge the terminal device are
It is no to be in the screen/screen lock state that goes out, if the display of the terminal device is in the screen/screen lock state that goes out, by the vision signal
The earphone is transferred to by the earphone interface；
If the display of the terminal device is in normal display state, the vision signal is included described
On the display of terminal.
Preferably, the vision signal and/or independently regard that display of the vision signal including the terminal device is shown
Frequency signal.
Preferably, the terminal device also includes：Video generation module, for independent video described in the earphone transmission
Signal.
Preferably, the vision signal switching control module, being additionally operable to work as has two vision signals to correspond to institute respectively
When stating the display of earphone interface and the terminal device, 0,1 is carried out to the number of the control signal and is counted, if described
The number of control signal is 1, then gives the video signal transmission to the earphone.
Preferably, in addition to：
Charge control module, for the earphone interface by the terminal device to the earphone transmission charging signals.
Preferably, the charge control module, it is additionally operable to control the earphone interface charge closing signal of the terminal device,
And the first signal is sent to the earphone, wherein, first signal is used to notify the earphone to play audio.
Preferably, the charge control module, it is additionally operable to after audio finishes, the second letter is sent to the earphone
Number, wherein, the secondary signal is used to notify the earpiece audio to finish.
Earphone provided by the invention with projecting function, which can be received from earphone interface, transmits out vision signal, by video
Signal projects, and user is taken out terminal device, you can realizes that the synchronous of audio ＆ video information obtains by earphone.
Terminal device provided by the invention can control earphone to project vision signal, facilitate user to earphone transmission vision signal
Video projection operation is carried out by earphone.
【Brief description of the drawings】
Fig. 1 is the schematic diagram of existing three segment interfaces earphone.
Fig. 2 is the schematic diagram of existing four segment interfaces earphone.
Fig. 3 is the pictorial diagram of earphone interface first on existing terminal device.
Fig. 4 is the pictorial diagram of earphone interface second on existing terminal device.
Fig. 5 is existing video signal carrier spectrum distribution diagram.
Fig. 6 is the functional block diagram for the earphone that the embodiment of the present invention one has projecting function.
Fig. 7 is the structural representation for the earphone that the embodiment of the present invention two has projecting function.
Fig. 8 is the structural representation for the earphone that the embodiment of the present invention three has projecting function.
Fig. 9 is the key circuit figure of the control module for the earphone that the embodiment of the present invention four has projecting function.
Figure 10 is the functional block diagram for the earphone that the embodiment of the present invention five has projecting function.
Figure 11 is the structural representation of the power module of the embodiment of the present invention six.
Figure 12 is the functional block diagram for the earphone that the embodiment of the present invention seven has projecting function.
Figure 13 is the functional block diagram for the earphone that the embodiment of the present invention eight has projecting function.
Figure 14 is the functional block diagram of the terminal device of the embodiment of the present invention nine.
Figure 15 is the functional block diagram of the terminal device of the embodiment of the present invention ten.
Figure 16 is the functional block diagram of the terminal device of the embodiment of the present invention 11.
Figure 17 is that audio signal and charging signals are cut on the terminal device of the embodiment of the present invention 12 control audio signal wire
Change flow chart.
Reference：
【Embodiment】
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
Referring to Fig. 6, Fig. 6 is the functional block diagram for the earphone that the embodiment of the present invention one has projecting function.Shown in Fig. 6
Earphone 6 includes headset plug 104, projection module 105, control module 107, and headset plug 104 is connected with projection module 105, throws
Shadow module 105 is connected with control module 107.Each functional module of earphone 6 shown in Fig. 6 is described in detail below.
Headset plug 104 is connected with the terminal device with earphone interface, the video signal cable of headset plug 104 and earphone
It is connected, video signal cable is also connected with projection module 105, and video signal cable being capable of transmission video signal.Control module 107 is sent
Control signal, and control signal is transferred to terminal device, to control terminal device to the transmission video signal of earphone 6, projective module
The receiving terminal apparatus of block 105 passes through the vision signal that video signal cable is sent, and video signal projection is come out, and vision signal can
To be derived from vision signal or the independent vision signal that mobile phone screen is shown.
Referring to Fig. 7, Fig. 7 is the structural representation for the earphone that the embodiment of the present invention two has projecting function.Fig. 7 earphones 6
Plug be divided into five segment interfaces by four dead rings, four dead rings are represented by heavy black line, are schematically identified in the figure 7
One dead ring, earphone 6 in the figure 7 include the first video contact 60, dead ring 61, left channel signals point 62, R channel letter
Number point 64, microphone signal point 66, ground signalling point 67, audio signal wire 68, video signal cable 69, video signal cable 69 and
One video contact 60 is connected, and the vision signal received from the first video contact 60 is transmitted by video signal cable 69.It please tie
Other functional modules of the earphone 6 shown in Fig. 6 are closed, video signal cable 69 is also joined directly together with the control module 107 of earphone 6, will
Video signal transmission is to control module 107.
Referring to Fig. 8, Fig. 8 is the structural representation for the earphone that the embodiment of the present invention three has projecting function.Earphone 6 includes
Dead ring 61, the second video contact 63, right-channel signals point 64, microphone signal point 66, ground signalling point 67, audio signal wire
68th, video signal cable 69, video signal cable 69 are connected with the second video contact 63, the video letter received from the second video contact 63
Number it is transmitted by video signal cable 69.Incorporated by reference to other functional modules of the earphone 6 shown in Fig. 6, video signal cable 69 is also
It is joined directly together with the control module 107 of earphone 6, is so with left channel signals point by video signal transmission to control module 107
Change video contact into, such audio-frequency unit can lose L channel sound channel, it is necessary to illustrate, can also be by right-channel signals point
Change video contact into, such audio-frequency unit can lose R channel, can also export Mike's line as vision signal, so then can
Microphone is lost, and passes through function of Mike's line transmission of control signals to terminal.
Referring to Fig. 9, Fig. 9 is the button electricity of the control module 107 for the earphone that the embodiment of the present invention four has projecting function
Lu Tu.Fig. 9 includes rewind button K<<, vision signal button Ks, microphone key-press MIC, pause button Kll, F.F. button K>
>, first resistor R1, second resistance R2,3rd resistor R3, L+ represent L channel positive pole, R+ represents R channel positive pole, and G represents to connect
Ground, M+ represent microphone signal, in fig.9, key circuit one end connection G ground wires of control module, one end connection M+ microphones
Signal, in the state of normal use Mike, microphone signal end is audio signal of the M+ ends input for microphone.Using rewind
Button K<<, vision signal button Ks, pause button Kll, F.F. button K>>, M+ ends then receive not according to the characteristics of circuit design
Same signal, the electric circuit diagram design according to Fig. 9, when F.F. button is pressed, the impedance of access microphone signal line is 391
Beat up, when rewind button is pressed, the impedance of access microphone signal line is beaten up for 221, when pause button is pressed, Mike's line and ground
Line short circuit, when vision signal button Ks keys close, the impedance of access microphone signal line is 33 Europe, now, control module 107
Control signal is sent to terminal device, requesting terminal equipment is to earphone transmission vision signal, when terminal device connects from Mike's line
After the control signal for receiving button transmission, to earphone transmission vision signal, by the display mode of vision signal from terminal device
Screen display be switched to earphone projection or close earphone projection, or open simultaneously screen display, earphone projection.Projection module
105 always according to control signal number, open or close projecting function.
Referring to Fig. 10, Figure 10 is the functional block diagram for the earphone that the embodiment of the present invention five has projecting function.Figure 10 institutes
The earphone with projecting function shown includes 3.5mm headphone plug 101, power module 103, projection module 105, control module
107th, earphone pars stridulans 109,3.5mm headphone plug 101 pass through the lines such as video signal cable, audio signal wire with power module 103
Road is connected, and power module 103 is connected with projection module 105, and projection module 105 is connected with control module 107, control module 107
It is connected by audio signal wire with earphone pars stridulans 109.The earphone interface that control module 107 receives institute's terminal device passes through audio
The charging signals of signal wire transmission, power module 103 is a rechargeable battery, is mainly transmitted by receiving from voice band line
Charging signals are charged.
Figure 11 is referred to, Figure 11 is the structural representation of the power module of the embodiment of the present invention six.It is built-in in power supply module 103
Voltage management module 1031, when the undertension of power supply module 103 is to drive projection module 105, voltage management module 1031
Prompting message is sent, prompting message includes：Control module 107 controls the LED of earphone to flash, control earphone plays prompting audio,
Terminal device is set directly to be shown the screen of vision signal switchback terminal device.
Figure 12 is referred to, Figure 12 is the functional block diagram for the earphone that the embodiment of the present invention seven has projecting function.Figure 12 has
Have projecting function includes power module 103, earphone generating unit 109, control module 107, audio signal handover module 1201, sound
Frequency signal switching module 1201 respectively with power module 103, earphone generating unit 109, audio signal wire, microphone signal line phase
Even, control module 107 includes audio signal handover module 1201.Power module 103 is dependent on rechargeable battery and comes from earphone
The 3.5MM interface output voltages transmitted on audio signal wire.Audio signal is ac signal, and power is smaller, is only used for
Drive the vibrating diaphragm of earphone.And charging signals are needed for direct current signal, voltage needs stabilization, and (unusual according to rechargeable battery is 5v
Or 3.3v, direct current transformation are easily achieved, and are repeated no more here), electric current determine charging speed, interface output power limit without
When method transmits high current, low current can still charge at a slow speed.
The first signal that the receiving terminal apparatus of control module 107 is sent, audio is played according to the first signal, the first signal is
The signal distinguished with audio signal, charging lateral incision of the audio signal handover module 1201 by audio signal wire from power module 103
The earphone pars stridulans of earphone is changed to, and the first confirmation signal is sent to terminal device by microphone signal line, to notify terminal
Equipment transmits audio, and earphone is normally carried out music, while charges and temporarily terminate, i.e. the receiving terminal of earphone pars stridulans 109 is set
The audio of standby transmission, carries out audio broadcasting.
After audio finishes, the secondary signal of the receiving terminal apparatus of control module 107 transmission is true according to secondary signal
Recognize audio to finish, secondary signal can be with normal audio signals distinguish signal, audio signal handover module 1201
Audio signal wire is switched to the charged side of power module 103 by the secondary signal sent according to terminal device from earphone pars stridulans, and
Second confirmation signal is sent to terminal device by microphone signal line, to notify the terminal device sends the charging to believe
Number.
Figure 13 is referred to, Figure 13 is the functional block diagram for the earphone that the embodiment of the present invention eight has projecting function.In this reality
Apply in example, the earphone with projecting function includes power module 103, audio signal handover module 1201, lens 1202, display screen
1203rd, illuminating lamp 1204, audio signal wire 68, video signal cable 69, wherein audio signal wire 68, one end of video signal cable 69
It is connected with 3.5mm earphone interfaces, obtains vision signal from video contact and video signal cable 69, audio signal wire 68 is believed with audio
Number handover module 1201 is connected, and power module 103 is connected with audio signal handover module 1201 by audio signal wire, lens
1202nd, display screen 1203, illuminating lamp 1204 form projection module, and video signal cable 69 is connected with projection module, by vision signal
It is transferred to projection module to be projected, the picture signal that will be obtained from video signal cable is imaged and by lens 1202
To launch, audio signal wire is then switched by signal condition of the audio signal handover module 1201 in charging and broadcasting music,
Reach the purpose constantly to be charged when without music to power module 103.
Present invention also offers a kind of terminal device, terminal device can control earphone pair to earphone transmission vision signal
Vision signal is projected.The terminal device of the present invention is described in detail below.
Refering to Figure 14, Figure 14 is the functional block diagram of the terminal device of the embodiment of the present invention nine.In the present embodiment, terminal is set
Standby 9 include earphone interface 91, vision signal switching control module 96, earphone interface 91 and the phase of vision signal switching control module 96
Even.Each functional module of the present embodiment is described in detail below.
Earphone interface 91 is connected with the headset plug of earphone, wherein, the earphone has projection work(to be provided by the present invention
The earphone of energy, earphone interface 91 are connected with headset plug, so that terminal device 9 sends vision signal to earphone.Vision signal is cut
Change control module 96 and receive the control signal that earphone is sent, be transferred to vision signal by earphone interface 91 according to control signal
Earphone, so that earphone is projected.
Also referring to Figure 15, Figure 15 is the functional block diagram of the terminal device of the embodiment of the present invention ten.In the present embodiment,
Terminal device 9 includes earphone interface 91, video signal interface 92, video generation module 95, vision signal switching control module 96,
Module 97, charge control module 99 are checked, earphone interface 91 includes video signal interface 92, and earphone interface 91 is cut with vision signal
Change control module 96 to be connected, vision signal switching control module 96 checks module 97 and charge control with checking that module 97 is connected
Module 99 is connected.
Earphone interface 91 is connected with the headset plug of earphone, wherein, the earphone has projection work(to be provided by the present invention
The earphone of energy, video signal interface 92 are connected with the video contact of headset plug, so that terminal device 9 sends video letter to earphone
Number.
Vision signal switching control module 96 also includes counter, and counter sends the tired of control signal for recording earphone
Metering number.Vision signal switching control module 96 is turned on and off the display of terminal device according to the cumulative number of counter records
Screen.
When the earphone interface 92 of terminal device 9 accesses the plug of earphone, left channel signals of the module 97 to earphone are checked
Point sends identification signal, and whether the headset plug afterbody of test earphone receives identification signal, when identification signal can not be received,
Judge that earphone can carry out video signal transmission.If the signal for being transferred to earphone video interface is mutual not with the screen of terminal device
The independent vision signal of interference, the video generation module 95 of terminal device 9 is to earphone transmission independence vision signal.
Terminal device 9 is when confirming that left and right acoustic channels COBBAIF is not at transmitting audio status, i.e., in no audio transmission
In the state of, charge control module 99 transmits charging signals to the control module of earphone so that the power module of earphone, which enters, to be filled
Electricity condition.Receive calls, beat before terminal will send audio signal to earpiece audio line, such as by mobile phone or control module
Open music etc., charge control module 99 controls the earphone interface charge closing signal of terminal device, and to first that earphone is sent
Signal, wherein, the first signal is used to notify earphone to play audio.After audio finishes release, charge control module 99 to
The secondary signal that earphone is sent, wherein, secondary signal is used to notify earpiece audio to finish, and earphone receives secondary signal
Afterwards, the connection between tone frequency channel wire and earphone is disconnected, and tone frequency channel wire is accessed to the charged side of charging module.
Refering to Figure 16, Figure 16 is the functional block diagram of the terminal device of the embodiment of the present invention 11.In the present embodiment, terminal
Equipment 9 includes display 90, video signal interface 92, microphone signal interface 94, vision signal switching control module 96, video
Base band 98.When there was only a vision signal on terminal device 9, Video Baseband 98 of the vision signal switching control module 96 from terminal
Upper acquisition vision signal, afterwards in the state of being connected with earphone provided by the invention, the control signal that earphone is sent is received, it is right
The number of the control signal of acquisition is recorded, and carries out transmission of video control by counting, and is specifically as follows：
1. it is counted as mobile phone screen when 0 (00) to be turned off with earphone projection；
2. being counted as mobile phone screen when 1 (01) to close, earphone projection is opened；
3. being counted as mobile phone screen when 2 (10) to open, earphone projection is closed；
4. it is counted as mobile phone screen when 3 (11) to open with earphone projection；
5. after reaching 3, button Ks can then come back to 0 again.
So, vision signal switching control module 96 is turned on and off the aobvious of terminal device according to the number of counter records
Display screen, judge whether to need to earphone transmission vision signal according to the number of counter records, judge whether to lead to vision signal
Earphone is crossed to project.
Under earphone insert state, when control module 107 is not received by control signal, terminal device is having video image
When needing output, vision signal switching control module 96 judges whether the display 90 of terminal device is in the screen/screen lock state that goes out,
If it is, vision signal is transmitted by the video interface of earphone interface, if display is in normal display state,
Signal is shown by the display 90 of terminal device.
When terminal device have respectively two video sources correspond to earphone interface video transmission interface and terminal device 9 display
During device 90, its display control can be simpler, and now vision signal button Ks only carries out 0,1 counting, to control ear
Generator terminal is turned on and off transmission of video function.
Also referring to Figure 17, Figure 17 is audio signal on the terminal device of the embodiment of the present invention 12 control audio signal wire
With the switching flow figure of charging signals.
In step s 110, in the state of no audio transmission, the earphone interface 92 of terminal device 9 passes through audio signal
Line transmits charging signals to the control module 107 of earphone 6.
In step S112, judge whether user opens audio broadcasting or whether busy part is switched to audio broadcasting shape
State, when judged result is yes, in step S114, the charge closing signal of earphone interface 92 of terminal device 9.
In step S116, the first signal distinguished with audio signal is sent to audio signal wire, passes through audio signal wire
Control module 107 is transferred to, to notify the earphone to play audio.Tone frequency channel wire is switched to by control module 107 from charging connection
The first confirmation signal is sent to terminal device by microphone signal line after on earphone, to notify the terminal device transmission sound
Frequency signal, terminal device transmission audio, earphone is normally carried out music, while charges and temporarily terminate.
In step S118, the control of control module 107 plays audio.
In the step s 120, judge that audio plays whether to stop.When judged result is yes, in step S122, terminal is set
It is standby that the secondary signal that can be distinguished with normal audio signals is sent again by audio signal, inform that the music of control module 107 is broadcast
Discharge complete.
In step S124, terminal device receives earphone and sends the second confirmation signal, according to the second confirmation signal to earphone
Charging signals are sent, prepare to charge to earphone.
Earphone provided by the invention with projecting function, which can be received from earphone interface, transmits out vision signal, by video
Signal projects, and user is taken out terminal device, you can realizes that the synchronous of audio ＆ video information obtains by earphone.
Terminal device provided by the invention can control earphone to project vision signal, facilitate user to earphone transmission vision signal
Video projection operation is carried out by earphone, user can utilize only by control module in the state of terminal device is not taken out
Palm or metope play video, or carry out video call, can use of the convenience user under special screne greatly, such as than
More crowded scene, cold weather are unwilling the scene etc. of operating handset screen to there is good usage experience.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (18)
- A kind of 1. earphone with projecting function, it is characterised in that including：Headset plug, for being connected with the terminal device with earphone interface, the vision signal of the terminal device transmission is received, And the video signal transmission is given to the video signal cable of the earphone；Control module, the terminal device is transferred to for sending control signal, and by the control signal, to control the end Vision signal described in end equipment to the earphone transmission；Projection module, for being connected with the video signal cable, the vision signal that the video signal cable is sent is received, and The video signal projection is come out.
- 2. earphone as claimed in claim 1, it is characterised in that also include：Video playback button, for controlling whether to send the control signal to the terminal device, wherein, the video playback One end of button is connected with the microphone signal line, the other end of the video playback button and one end phase of predetermined resistance Even, the other end of the predetermined resistance is connected with the ground signal line；The control module, it is additionally operable to when the video playback button closes, sending the control to the terminal device believes Number.
- 3. earphone as claimed in claim 2, it is characterised in that the projection module, be additionally operable to according to the control signal Number, open or close projecting function.
- 4. earphone as claimed in claim 3, it is characterised in that also include：Power module, charged for receiving the terminal device transmission charging signals.
- 5. earphone as claimed in claim 4, it is characterised in that the control module, be additionally operable to receive the terminal device hair The first signal sent, audio is played according to first signal；Wherein, the control module also includes audio signal switching mould Block, the audio signal handover module are described for charged side of the audio signal wire from the power module to be switched to The earphone pars stridulans of earphone, and the first confirmation signal is sent to the terminal device by microphone signal line, with described in notice Terminal device transmits audio signal；The earphone pars stridulans, for receiving the audio signal, carry out audio broadcasting.
- 6. earphone as claimed in claim 5, it is characterised in that when audio finishes, the control module, be additionally operable to receive The secondary signal that the terminal device is sent, confirm that the audio finishes according to the secondary signal；The audio signal handover module, the secondary signal for being additionally operable to be sent according to the terminal device is by audio signal wire The charged side of the power module is switched to from the earphone pars stridulans, and is set by the microphone signal line to the terminal Preparation send the second confirmation signal, to notify the terminal device to send the charging signals.
- 7. earphone as claimed in claim 6, it is characterised in that the power supply module includes voltage management module, the voltage Management module, for when the undertension of the power supply module is to drive the projection module, sending the prompting of not enough power supply Message.
- 8. earphone as claimed in claim 7, it is characterised in that the headset plug includes video contact, the video contact, For receiving the vision signal of the terminal device, the headset plug includes video contact, microphone signal point, ground connection Signaling point and sound channel signaling point, wherein sound channel signal point includes left channel signals point and/or right-channel signals point.
- 9. a kind of terminal device, it is characterised in that the terminal device includes：Earphone interface, it is connected for the headset plug with earphone, so that the terminal device gives video signal transmission to the ear Machine；Vision signal switching control module, the control signal sent for receiving the earphone, according to the control signal by institute State vision signal and the earphone is transferred to by the earphone interface, so that the earphone is projected.
- 10. terminal device as claimed in claim 9, it is characterised in that the vision signal switching control module also includes meter Number device, the counter are used for the cumulative number for recording the control signal, opened according to the cumulative number of the control signal Or close the display screen of the terminal device.
- 11. terminal device as claimed in claim 10, it is characterised in that the terminal device also includes：Module is checked, sends identification signal for the left channel signals point to the earphone, and the earphone for detecting the earphone is inserted Whether head-tail receives the identification signal, when that can not receive the identification signal, judges that the earphone can carry out video letter Number transmission.
- 12. terminal device as claimed in claim 11, it is characterised in that the vision signal switching control module, be additionally operable to Whether the display of the terminal device is judged in the screen/screen lock state that goes out, if the display of the terminal device is in Go out screen/screen lock state, then the vision signal is transferred into the earphone by the earphone interface；If the display of the terminal device is in normal display state, the vision signal is included in the terminal The display on.
- 13. terminal device as claimed in claim 12, it is characterised in that the vision signal includes the aobvious of the terminal device Show the vision signal and/or independent vision signal that device shows.
- 14. terminal device as claimed in claim 13, it is characterised in that the terminal device also includes：Video generation module, For to independent vision signal described in the earphone transmission.
- 15. terminal device as claimed in claim 14, it is characterised in that the vision signal switching control module, be additionally operable to When there is two vision signals to correspond to the display of the earphone interface and the terminal device respectively, to the control The number of signal processed carries out 0,1 and counted, if the number of the control signal is 1, gives the video signal transmission to the ear Machine.
- 16. terminal device as claimed in claim 15, it is characterised in that also include：Charge control module, for the earphone interface by the terminal device to the earphone transmission charging signals.
- 17. terminal device as claimed in claim 16, it is characterised in that the charge control module, be additionally operable to described in control The earphone interface charge closing signal of terminal device, and the first signal is sent to the earphone, wherein, first signal is used for The earphone is notified to play audio.
- 18. terminal device as claimed in claim 17, it is characterised in that the charge control module, be additionally operable to when audio is broadcast After putting, secondary signal is sent to the earphone, wherein, the secondary signal is used to notify the earpiece audio to play Finish.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610311992.9A CN107371076A (en) | 2016-05-11 | 2016-05-11 | A kind of earphone and terminal device with projecting function |
| PCT/CN2016/086019 WO2017193449A1 (en) | 2016-05-11 | 2016-06-16 | Earphone and terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610311992.9A CN107371076A (en) | 2016-05-11 | 2016-05-11 | A kind of earphone and terminal device with projecting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107371076A true CN107371076A (en) | 2017-11-21 |
Family
ID=60266162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610311992.9A Pending CN107371076A (en) | 2016-05-11 | 2016-05-11 | A kind of earphone and terminal device with projecting function |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107371076A (en) |
| WO (1) | WO2017193449A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111182403A (en) * | 2019-12-31 | 2020-05-19 | 歌尔科技有限公司 | Earphone control method, earphone control device and computer readable storage medium |
| CN111684409A (en) * | 2019-06-24 | 2020-09-18 | 深圳市大疆创新科技有限公司 | Multimedia playback device and control method thereof, and computer storage medium |
| CN115118911A (en) * | 2021-03-17 | 2022-09-27 | 安普拉公司 | Projection video conference equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012097615A2 (en) * | 2011-10-20 | 2012-07-26 | 华为终端有限公司 | Multi-purpose connector for multiplexing headset interface into high definition video and audio interface and handheld electronic device |
| KR20150092220A (en) * | 2012-11-29 | 2015-08-12 | 스티븐 체이스 | Video headphones, system, platform, methods, apparatuses and media |
| CN204014003U (en) * | 2014-08-01 | 2014-12-10 | 王傲立 | A kind of earphone with augmented reality display |
| CN104244132A (en) * | 2014-09-12 | 2014-12-24 | 深圳市磁研科技有限公司 | Intelligent earphone system and control method thereof |
| CN104185113A (en) * | 2014-09-17 | 2014-12-03 | 太仓泰邦电子科技有限公司 | Multifunctional headset |
| CN105142059A (en) * | 2015-08-26 | 2015-12-09 | 东莞市库森电子科技有限公司 | A headset with projection function |
-
2016
- 2016-05-11 CN CN201610311992.9A patent/CN107371076A/en active Pending
- 2016-06-16 WO PCT/CN2016/086019 patent/WO2017193449A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111684409A (en) * | 2019-06-24 | 2020-09-18 | 深圳市大疆创新科技有限公司 | Multimedia playback device and control method thereof, and computer storage medium |
| WO2020257975A1 (en) * | 2019-06-24 | 2020-12-30 | 深圳市大疆创新科技有限公司 | Multimedia playback device and control method therefor, and computer storage medium |
| CN111684409B (en) * | 2019-06-24 | 2022-02-22 | 深圳市大疆创新科技有限公司 | Multimedia playing device, control method thereof and computer storage medium |
| CN111182403A (en) * | 2019-12-31 | 2020-05-19 | 歌尔科技有限公司 | Earphone control method, earphone control device and computer readable storage medium |
| CN115118911A (en) * | 2021-03-17 | 2022-09-27 | 安普拉公司 | Projection video conference equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017193449A1 (en) | 2017-11-16 |
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