CN203812011U - Device for sharing music through body contact of two persons - Google Patents
Device for sharing music through body contact of two persons Download PDFInfo
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- CN203812011U CN203812011U CN201420151701.0U CN201420151701U CN203812011U CN 203812011 U CN203812011 U CN 203812011U CN 201420151701 U CN201420151701 U CN 201420151701U CN 203812011 U CN203812011 U CN 203812011U
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Abstract
The utility model discloses a device for sharing music through body contact of two persons. A radio modulation method is combined, the human body serves as a conductor to transmit switch control signals, and audios in an earphone or a sound box is controlled to be turned on and turned off. The device for sharing music through body contact of two persons comprises two broadcast devices, the first broadcast device A1 can play music in real time and is a driving device, the second broadcast device A2 is a driven device, through body contact in a hand-in-hand manner or a manner that the first broadcast device A1 is close to the second broadcast device A2 at a short range or the first broadcast device A1 is contacted with the second broadcast device A2, music is broadcasted. According to the utility model, a method for sharing music between two persons is provided, the distance between persons is shortened, low distortion of a sound source during a transmission process is retained, an audio frequency control switch can be turned on through body contact, and an effect of sharing music is achieved.
Description
Technical field
The utility model relates to a kind of music apparatus, particularly relates to the device of the shared music of a kind of wired or wireless earphone or audio amplifier.
Background technology
The radiotelegraphy that Radio earphone adopts at present has: Bluetooth, wifi, Zegbee, NFC, FM, GFSK, infrared ray, the magnetic line of force, and other wireless technology.There are transmitting and receiving end.Transmitting terminal connects source of sound, and treated and modem section is transmitted in the air, one or multi-section receiving end receive separately rear demodulation and process after this source of sound reduction, broadcast through loudspeaker.1., a transmitting terminal is to a receiving end receive transmitting terminal pattern with family:; Or 2., broadcast type receive, a transmitting terminal is to multiple receiving ends.
Problem is: in the time that first and second liang of people listen same a piece of music/song together, the general radio broadcasting pattern that adopts, an i.e. transmitting terminal, can join multiple receiving terminals, but in the time of listen to the music separately together/song of two people, thinking to share at that time same music/song of the other side simultaneously, need be the other side's player or earphone and the other side's exchange, or at the many plugs of the other side's player parallel connection, the other side just can hear this music/song.Very inconvenient.1. research found, adds one group of transmitting terminal in receiving end, and newly establish one grade for (MASTER)/driven (SLAVE) shelves are initiatively for this shared model is set.Example: Party A is set to main (MASTER), and Party B is set to the pattern from (SLAVE), in Party A's earphone, receiving end is received music/song that player transmits, and is sent to Party B's receiving end plays out this music/song through Party A's transmitting terminal.2. research found: player transmits music to main Party A (MASTER), after this source of sound being modulated by Party A again, transmit this modulation signal through human body, by carrying out broadcasting this source of sound from loudspeaker demodulation and processing as hand in hand signal passed to receiving end in Party B's earphone from Party A by human body with Party B's Body contact.But due to from personal transport process, produced noise and noise, this noise and noise are difficult for solving.For head it off.Pass to Party B from Party A by human body and only transmit control music switch signal and pairing coded signal.Do not transmit music signal.This has solved noise problem in transmittance process.And music communication still uses wireless system from aerial transmission.
Utility model content
Based on this, be necessary for prior art problem, provide a kind of two people to share the device of music and a kind of two by Body contact and share the device of music by closely coming close to or in contact with, a kind of earphone or audio amplifier of sharing music for two people proposed, combining wireless electrical modulation method and be that conductor (or closely coming close to or in contact with) transmits modulation switch signal through human body, controls the Push And Release of audio frequency in earphone or audio amplifier.
For solving prior art problem, the utility model by the following technical solutions:
A kind of two people share the device of music by Body contact, comprise the first public address system A1 and the second public address system A2, the first public address system A1 is identical with the second public address system A2 circuit, it is " M " that the first public address system A1 contains the first mode gauge tap 109(systemic presupposition that active " M " pattern is provided or selects driven " S " pattern), first mode gauge tap 109 is electrically connected the first transceiving line module 100(Wireless Transceiver Module) control port, the first muting control circuit in the first transceiving line module 100 connects the first muting control circuit 101 of the first audio frequency power amplifier 103, the first transceiving line module 100 output terminals connect the first audio frequency power amplifier 103 input ends, the first audio frequency power amplifier 103 output terminals connect first wired input circuit 102, first wired input circuit 102 output terminals connect the first broadcasting unit 104,
The second public address system A2 contains the second mode control switch 209 that active " M " pattern is provided or selects driven " S " pattern, the second mode control switch 209 connects the control port of the second transceiving line module 200, the second muting control circuit in the second transceiving line module 200 connects the second muting control circuit 201 of the second audio frequency power amplifier 203, the second transceiving line module 200 output terminals connect the second audio frequency power amplifier 203 input ends, the second audio frequency power amplifier 203 output terminals connect second wired input circuit 202, second wired input circuit 202 output terminals connect the second broadcasting unit 204.
The first microcomputer control unit 110 ports connect the first transceiving line module 100(Wireless Transceiver Module), the first muting control circuit 101 input ends connect the first transceiving line module 100, the first muting control circuit 101 output terminals connect the first audio frequency power amplifier 103 input ends, the first audio frequency power amplifier 103 output terminals connect first wired input circuit 102(Line in) input end, first wired input circuit 102(Line in) output terminal connects the first broadcasting unit 104(loudspeaker), the first microcomputer control unit 110(MCU) port connects the first transmit modulator 112 and the first receiving demodulation device 114, the first transmit modulator 112 and the first receiving demodulation device 114 output terminals connect the first coupled antenna 111.
A kind of two people are by closely coming close to or in contact with the device of sharing music, the device of sharing music comprises the first public address system A1 and the second public address system A2, the first public address system A1 is identical with the second public address system A2 circuit, the first public address system A1 contains the first mode gauge tap 109 that active " M " pattern is provided or selects driven " S " pattern, first mode gauge tap 109 is electrically connected the control port of the first transceiving line module 100, the first muting control circuit in the first transceiving line module 100 connects the first muting control circuit 101 of the first audio frequency power amplifier 103, the first transceiving line module 100 output terminals connect the first audio frequency power amplifier 103 input ends, the first audio frequency power amplifier 103 output terminals connect first wired input circuit 102, first wired input circuit 102 output terminals connect the first broadcasting unit 104,
It is " S " that the second public address system A2 contains the second mode control switch 209(systemic presupposition that active " M " pattern is provided or selects driven " S " pattern), the second mode control switch 209 is electrically connected the second transceiving line module 200(Wireless Transceiver Module) control port, the second muting control circuit in the second transceiving line module 200 connects the second muting control circuit 201 of the second audio frequency power amplifier 203, the second transceiving line module 200 output terminals connect the second audio frequency power amplifier 203 input ends, the second audio frequency power amplifier 203 output terminals connect second wired input circuit 202, second wired input circuit 202 output terminals connect the second broadcasting unit 204.
The second microcomputer control unit 210(MCU) port connects the second transceiving line module 200(Wireless Transceiver Module), the second muting control circuit 201 input ends connect the second transceiving line module 200, the second muting control circuit 201 output terminals connect the second audio frequency power amplifier 203 input ends, the second audio frequency power amplifier 203 output terminals connect second wired input circuit 202(LINE IN) input end, second wired input circuit 202(Line in) output terminal connects the second broadcasting unit 204(loudspeaker), the second microcomputer control unit 210(MCU) port connection the second transmitting transmit modulator 212 and the second receiving demodulation device 214, the second transmitting transmit modulator 212 and the second receiving demodulation device 214 output terminals connect the second coupled antenna 211.
In certain embodiments, described the first public address system A1 comprises the first battery 113, the first batteries 113 and is electrically connected the first microcomputer control unit 110, the first transceiving line module 100, the first coupled antenna 111, the first audio frequency power amplifier 103, first wired input circuit 102;
The second public address system A2 comprises the second battery 213, the second batteries 213 and connects the second microcomputer control unit 210, the second transceiving line module 200, the second coupled antenna 211, the second audio frequency power amplifier 203, second wired input circuit 202.
In certain embodiments, described the first transceiving line module 100 ports connect respectively first mode gauge tap 109, first power switch/pairing 108(K1), the first volume adjusting button 106, USB charging port 107, the first transceiving line module 100 ports also connect the first display lamp 105, the first microphone 115, the first audio frequency power amplifier 103, the first muting control circuit 101;
The second transceiving line module 200 ports connect respectively the second mode control switch 209, second source switch/pairing 208(K1), the second volume adjusting button 206, the 2nd USB charging port 207, the second transceiving line module 200 ports also connect the second display lamp 205, second microphone 215, the second audio frequency power amplifier 203, the second muting control circuit 201.
In certain embodiments, described the first transceiving line module 100 connects the first antenna 131, the second transceiving line modules 200 and connects the second antenna 231.
In certain embodiments, described first mode gauge tap 109 is set to initiatively " M " (Master) time, the first transceiving line module 100(Wireless Transceiver Module) control quiet port and export a level control first audio frequency power amplifier 103(Power AMP) the first muting control circuit 101, make the first audio frequency power amplifier 103 for direct mode operation (BY PASS), make the first audio frequency power amplifier 103 promote the first broadcasting unit 104(loudspeaker) send music;
And simultaneously the second mode control switch 209 is set to driven " S " (Slave) time, the second transceiving line module 200(Wireless Transceiver Module) control quiet port and export a level control second audio frequency power amplifier 203(Power AMP) the second muting control circuit 201, make the second audio frequency power amplifier 203(Power AMP) be silent mode (Mute).
In certain embodiments, described the first microcomputer control unit 110(MCU) produce the handle of controlling music signal switch, modulate and pass to the first coupled antenna 111 through the first transmit modulator 112, launch this signal to the first transceiving line module 100 by the first coupled antenna 111;
The control signal (the first public address system A1 control signal) of launching via the first coupled antenna 111, be coupled to the first surface and transmit signal as conductor, receive signal via the second human body surface as conductor, pass to second coupled antenna 212(the second public address system A2 and receive signal);
Via the first public address system A1(earphone or audio amplifier) and the second public address system A2(earphone or audio amplifier) by closely coming close to or in contact with, the control signal of launching via the first coupled antenna 111 sends the second coupled antenna 212 of the second public address system A2 to.
In certain embodiments, described the first microcomputer control unit 110(MCU) produce control signal, carry out demodulation through the second receiving demodulation device 214, be reduced to digital control signal, be delivered to the second microcomputer control unit 210(MCU) compare, after signal is correct, notify the second transceiving line module 200(Wireless Transceiver Module), the second transceiving line module 200(Wireless Transceiver Module) produce level control second muting control circuit 201 be conducting state (By pass), make music signal can enter the second audio frequency power amplifier 203 and promote the second broadcasting unit 204(loudspeaker) send musical sound.
In certain embodiments, described the second public address system A2(earphone or audio amplifier) while utilizing the second mode control switch 209 to be set as initiatively " M " pattern, the first public address system A1 is chosen as driven " S " pattern, now the second public address system A2 meeting and the first public address system A1 pairing code, make the first transceiving line module 100(Wireless Transceiver Module of the first public address system A1) can receive the second transceiving line module 200(Wireless Transceiver Module of the second public address system A2) music signal, realize the second public address system A2 and oppositely control the first public address system A1, make the first public address system A1 and the second public address system A2 reach interaction effect.
In certain embodiments, described the first coupled antenna 111(Coupling Antenna) and the radiobeam frequency of the switch charge signal modulation of the second coupled antenna 211 between 1MHz～2450MHz.
In certain embodiments, described the first battery 113(Vcc) connection the first microcomputer control unit 110(MCU), the first transceiving line module 100(Wireless Transceiver Module), the first transmit modulator 112(Modulator), the first receiving demodulation device 114(Demodulator), the first audio frequency power amplifier 103, the first microcomputer control unit 110 ports connect the first transceiving line module 100, the first transmit modulator 112, the first receiving demodulation device 114, the first transceiving line module 100 ports connect first power switch/pairing 108(K1), the first volume adjusting button 106, the first display lamp 105(LED), the first audio frequency power amplifier 103, the first muting control circuit 101, the one USB charging port 107, the first microphone 115(mic) port,
The second battery 213(Vcc) connection the second microcomputer control unit 210(MCU), the second transceiving line module 200(Wireless Transceiver Module), the second transmit modulator 212(Modulator), the second receiving demodulation device 214, the second audio frequency power amplifier 203(Power AMP), the second microcomputer control unit 210 ports connect the second transceiving line module 200, the second transmit modulator 212, the second receiving demodulation device 214, the second transceiving line module 200 ports connect second source switch/pairing 208(K1), the second volume adjusting button 206, the second display lamp 205(LED), the second audio frequency power amplifier 203, the second muting control circuit 201, the 2nd USB charging port 207, second microphone 215(mic) port.
In certain embodiments, described the first transceiving line module 100 connects the first antenna 131, the second transceiving line modules 200 and connects the second antenna 231.
In certain embodiments, the interior quiet electronic switch of described the first muting control circuit 101 is preset as direct mode operation (BY PASS), and the interior electronic switch of the second muting control circuit 201 is made as quiet branch road (opening circuit).
In certain embodiments, the interior quiet electronic switch of described the first muting control circuit 101 is preset as quiet branch road (opening circuit), and the interior electronic switch of the second muting control circuit 201 is made as direct mode operation (BY PASS).
The utility model discloses a kind of two people share music device by Body contact, combining wireless electrical modulation method transmits switch control signal through human body as conductor, controls the Push And Release of audio frequency in earphone/audio amplifier.The utility model comprises two cover public address systems: music player (such as mobile phone) etc. for example, is connected to the first public address system A1 with radio (Bluetooth bluetooth), and the first public address system A1 can play out music in real time.The first public address system A1 is for initiatively (MASTER) and the second public address system A2 are driven (SLAVE), A1 and A2 public address system contain provides transceiving line module, A1 music signal after transceiving line module (the Wireless Transceiver Module) modulation of the first public address system through antenna from being sent to the transceiving line module (Wireless Transceiver Module) of the second public address system in the air, after demodulation, be sent to the second audio frequency power amplifier (Power AMP), now the second power amplifier is mute state.The first transceiving line module connects the first microcomputer control unit, the first microcomputer control unit produces quiet opening (or closing) control signal and connects the first wireless transmit circuit transmit modulator (Modulator) through microcomputer control unit port, and by Body contact as closely come close to or in contact with mutually hand in hand or the first public address system A1 with the second public address system A2, make the quiet wireless receiving circuit receiving demodulation device (Demodulator) that opens or closes control signal and be sent to the second public address system A2 of audio frequency power amplifier, be connected to the muting control circuit of the second transceiving line module (Wireless Transceiver Module) through the second microcomputer control unit port, control the muting control circuit of the second audio frequency power amplifier (Power AMP) circuit, making quiet control is direct mode operation, music connects broadcasting unit loudspeaker through audio frequency power amplifier (Power AMP) circuit output end, thereby broadcast music.The utility model solves two people and shares the method for music, and the interpersonal distance that furthered has retained low distortion when source of sound transmits, and Body contact can be opened audio control switch and reach the effect of music sharing.
The utility model solves the method for the shared music of first and second liang of people.Suppose that first (MASTER master) and second (SLAVE from) two people respectively wear the Radio earphone (the first public address system A1 and the second public address system A2) of this kind of shared music, the Radio earphone of first connects upper mobile phone or music player etc., play music/song, lead along by hand or shake hands or closely come close to or in contact with through two people etc., the quiet electronic switch signal of first, reach the Radio earphone of second, and open the audio frequency power amplifier silence switch in second earphone, make second can hear the music song of first, reach to two people and simultaneously can hear this music/song.Solve the problem that two people cannot share same a piece of music/song simultaneously.Similarly, first and second Radio earphone.Second can be changed into initiatively MASTER, and first changes the relation of driven SLAVE into.Also reach above-described effect.Existing method cannot reach the effect of real-time control Party B music switch, and this method sees through Body contact or or other Body contact, music sharing easily such as closely comes close to or in contact with.The utility model interpersonal distance that furthered, has retained low distortion when source of sound transmits, and Body contact can be opened audio control switch and reach the effect of music sharing.
Brief description of the drawings
Fig. 1 be the utility model embodiment share the schematic diagram of music earphone by Body contact;
Fig. 2 be the utility model embodiment share the schematic diagram of music audio amplifier by Body contact;
Fig. 3 is the schematic diagram that closely comes close to or in contact with shared music earphone of the utility model embodiment;
Fig. 4 is the schematic diagram that closely comes close to or in contact with shared music audio amplifier of the utility model embodiment;
Fig. 5 is the schematic diagram of the utility model embodiment;
Fig. 6 is the circuit diagram of the utility model embodiment audio-frequency unit;
Fig. 7 is the circuit diagram of the utility model embodiment carrier wave part;
Fig. 8 is the schematic block circuit diagram of the utility model embodiment.
Description of reference numerals is as follows:
The first public address system A1, the second public address system A2, the first transceiving line module 100, the first muting control circuit 101, first wired input circuit 102, the first audio frequency power amplifier 103, the first broadcasting units 104, the first display lamp 105, first volume adjusting button 106, the first power switch/pairings 108, first mode gauge tap 109, the first microcomputer control unit 110, the first transmit modulator 112, the first receiving demodulation device 114, the first coupled antennas 111, the first battery 113, the first antennas 131; The wired input circuit 202 of the second transceiving line module 200, the second muting control circuit 201, the second, the second audio frequency power amplifier 203, the second broadcasting unit 204, the second display lamps 205, the second volume adjusting button 206, second source switch/pairing 208, the second mode control switch 209, the second microcomputer control unit 210, the second transmit modulator 212, the second receiving demodulation device 214, the second coupled antennas 211, the second battery 213, the second antennas 231.
Embodiment
For further understanding feature of the present utility model, technological means and the specific purposes that reach, function, below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
First, accompanying drawing 5 is the schematic diagram of a specific embodiment, be divided into first, the first public address system A1(earphone or audio amplifier of second two people), the second public address system A2(earphone or audio amplifier), the first public address system A1 is the same with the second public address system A2 schematic diagram, music player is with blue teeth wireless transmission or be wiredly connected to the first public address system A1(earphone or audio amplifier), the first public address system A1(earphone or audio amplifier that first is worn) be with the first transceiving line module 100(Wireless Transceiver Module), the first transceiving line module 100 sends modulation radio ripple, be transmitted into second and wear the second public address system A2(earphone or audio amplifier) the second interior transceiving line module 200(Wireless Transceiver Module) receive, the second transceiving line module also carries out demodulation simultaneously, restore music signal, owing to being provided with the second muting control circuit 201 at the second public address system A2, now music is muted, until by the first microcomputer control unit 110(MCU of the first public address system A1) produce quiet control signal, enter the first transmit modulator 112(Modulator) " TXDATA " end, present case is through modulation and dither Q4, X2, Q2, produce 2.3MHZ carrier frequency signaling, through Q5, Q6 amplify after through U5SPDTSWITCH again by the first coupled antenna 111(Coupling antenna) launch, this 2.3MHZ carrier signal is transmitted directly on human body, and signal is more weak, signal is after human body, human body is conductor antenna, this 2.3MHZ carrier signal is creeped to surrounding along first human body surface, any position by second human body surface effectively receives signal, signal coupling enters the second coupled antenna 211 of second the second public address system A2 receiving end and receives signal, similarly, closely come close to or in contact with and can accomplish directly to enter A2 coupled antenna effect by A1.This signal enters the second receiving demodulation device 214(Demodulator through U5SPDT SWITCH) Q1 mixer amplifier, the output control signal of reverting after IC1 demodulation RX_DATA enters the second microcomputer control unit 210(MCU) single-chip microcomputer U3, U3 checks the correct rear output control level of signal code and notifies the second transceiving line module 200 through BT_RXD, export a level the quiet control system of the second muting control circuit 201(by the second transceiving line module 200) SHDN pin opens, now the second audio frequency power amplifier 203(Power AMP) promotion the second broadcasting unit 204(loudspeaker) broadcast.
The device of sharing music comprises the first public address system A1, the second public address system A2(earphone or audio amplifier), the first public address system A1(earphone or audio amplifier) contain provide initiatively " M " (MASTER) pattern or driven " S " (SLAVE) the first mode gauge tap 109(systemic presupposition of pattern be " M "), first mode gauge tap 109 is electrically connected the first transceiving line module 100, the first microcomputer control unit 110(MCU) port connects the first transceiving line module 100, the first muting control circuit 101 input ends connect the first transceiving line module 100, the first muting control circuit 101 output terminals connect the first audio frequency power amplifier 103 input ends, the first audio frequency power amplifier 103 output terminals connect first wired input circuit 102(Line in) input end, first wired input circuit 102(Line in) output terminal connects the first broadcasting unit 104(loudspeaker), the first microcomputer control unit 110(MCU) port connects the first transmit modulator 112 and the first receiving demodulation device 114, the first transmit modulator 112 and the first receiving demodulation device 114 output terminals connect the first coupled antenna 111.
The second public address system A2(earphone or audio amplifier) contain initiatively " M " (MASTER) pattern or driven " S " (SLAVE) second mode control switch 209(MODE of pattern is provided), default selection mode is made as " S ", the second mode control switch 209 is electrically connected the second transceiving line module 200(Wireless Transceiver Module), the second microcomputer control unit 210(MCU) port connects the second transceiving line module 200, the second muting control circuit 201 input ends connect the second transceiving line module 200, the second muting control circuit 201 output terminals connect the second audio frequency power amplifier 203 input ends, the second audio frequency power amplifier 203 output terminals connect second wired input circuit 202(Line in) input end, second wired input circuit 202(Line in) output terminal connects the second broadcasting unit 204(loudspeaker), the second microcomputer control unit 210(MCU) port connection the second transmitting transmit modulator 212 and the second receiving demodulation device 214, the second transmitting transmit modulator 212 and the second receiving demodulation device 214 output terminals connect the second coupled antenna 211.
In one embodiment, the first battery 113(Vcc) connection the first microcomputer control unit 110(MCU), the first transceiving line module 100, the first transmit modulator 112(Modulator), the first receiving demodulation device 114(Demodulator), the first audio frequency power amplifier 103(Power AMP), the first microcomputer control unit 110(MCU) port connects the first transceiving line module 100, the first transmit modulator 112, the first receiving demodulation device 114, the first transceiving line module 100 ports connect first power switch/pairing 108(K1), the first volume adjusting button 106, the first display lamp 105(LED), the first audio frequency power amplifier 103, the first muting control circuit 101, the one USB charging port 107, the first microphone 115(mic) port.
In one embodiment, the second battery 213(Vcc) connection the second microcomputer control unit 210(MCU), the second transceiving line module 200, the second transmit modulator 212(Modulator), the second receiving demodulation device 214, the second audio frequency power amplifier 203(Power AMP), the second microcomputer control unit 210(MCU) port connects the second transceiving line module 200, the second transmit modulator 212, the second receiving demodulation device 214, the second transceiving line module 200 ports connect second source switch/pairing 208(K1), the second volume adjusting button 206, the second display lamp 205(LED), the second audio frequency power amplifier 203, the second muting control circuit 201, the 2nd USB charging port 207, second microphone 215(mic) port.
The first transceiving line module 100(Wireless Transceiver Module) connection the first antenna 131, the second transceiving line module 200(Wireless Transceiver Module) connection the second antenna 231.
In one embodiment, the interior electronic switch of the first muting control circuit 101 is preset as quiet direct mode operation (BY PASS), and the interior electronic switch of the second muting control circuit 201 is made as quiet branch road (opening circuit).
In one embodiment, a kind of two people share the device of music by Body contact, see the device of accompanying drawing 8 shared music, comprise the first public address system A1(earphone or audio amplifier), the second public address system A2(earphone or audio amplifier), the first public address system A1 is the same with the second public address system A2 circuit, " M " (MASTER) pattern or select driven " S " (SLAVE) first mode gauge tap 109 of pattern that provides is initiatively provided the first public address system A1, first mode gauge tap 109(MODE) be electrically connected the control port of the first transceiving line module 100, the first muting control circuit in the first transceiving line module 100 connects the first muting control circuit 101 of the first audio frequency power amplifier 103, the first transceiving line module 100 output terminals connect the first audio frequency power amplifier 103 input ends, the first audio frequency power amplifier 103 output terminals connect first wired input circuit 102(Line in), first wired input circuit 102 output terminals connect the first broadcasting unit 104(loudspeaker).
The second public address system A2(earphone or audio amplifier) " M " (MASTER) pattern or select driven " S " (SLAVE) second mode control switch 209 of pattern that provides is initiatively provided, the second mode control switch 209 connects the control port of the second transceiving line module 200, the second muting control circuit in the second transceiving line module 200 connects the second muting control circuit 201 of the second audio frequency power amplifier 203, the second transceiving line module 200 output terminals connect the second audio frequency power amplifier 203 input ends, the second audio frequency power amplifier 203 output terminals connect second wired input circuit 202(Line in), second wired input circuit 202 output terminals connect the second broadcasting unit 204(loudspeaker).
In one embodiment, share the device of music by closely coming close to or in contact with for a kind of two, the device of sharing music comprises the first public address system A1(earphone or audio amplifier), the second public address system A2(earphone or audio amplifier), the first public address system A1 is the same with the second public address system A2 circuit, " M " (MASTER) pattern or select driven " S " (SLAVE) first mode gauge tap 109 of pattern that provides is initiatively provided the first public address system A1, first mode gauge tap 109 is electrically connected the control port of the first transceiving line module 100, the first transceiving line module 100(Wireless Transceiver Module) in the first muting control circuit connect the first muting control circuit 101 of the first audio frequency power amplifier 103, the first transceiving line module 100 output terminals connect the first audio frequency power amplifier 103 input ends, the first audio frequency power amplifier 103 output terminals connect first wired input circuit 102(Line in), first wired input circuit 102 output terminals connect the first broadcasting unit 104(loudspeaker).
The second public address system A2(earphone or audio amplifier) " M " (MASTER) pattern or select driven " S " (SLAVE) second mode control switch 209 of pattern that provides is initiatively provided, the second mode control switch 209 connects the control port of the second transceiving line module 200, the second transceiving line module 200(Wireless Transceiver Module) in the second muting control circuit connect the second muting control circuit 201 of the second audio frequency power amplifier 203, the second transceiving line module 200 output terminals connect the second audio frequency power amplifier 203 input ends, the second audio frequency power amplifier 203 output terminals connect second wired input circuit 202(Line in), second wired input circuit 202(Line in) output terminal connects the second broadcasting unit 204(loudspeaker).
In one embodiment, the first microcomputer control unit 110(MCU) port connects the first transceiving line module 100, the first microcomputer control unit 110 ports connect the first transmit modulator 112(Modulator) and connect the first receiving demodulation device 114(Demodulator), the first transmit modulator 112 and the first receiving demodulation device 114 output terminals connect the first coupled antenna 111(Coupling Antenna); The second microcomputer control unit 210(MCU) port connects the second transceiving line module 200, the second microcomputer control unit 210 ports connect the second transmit modulator 212(Modulator and connect the second receiving demodulation device 214(Demodulator), the second transmit modulator 212 and the second receiving demodulation device 214 output terminals connect the second coupled antenna 211(Coupling Antenna).
In one embodiment, the first battery 113(Vcc) connect the first microcomputer control unit 110(MCU), the first transceiving line module 100, the first coupled antenna 111, the first audio frequency power amplifier 103(Power AMP), first wired input circuit 102(Line in); The second battery 213(Vcc) connect the second microcomputer control unit 210(MCU), the second transceiving line module 200, the second coupled antenna 211, the second audio frequency power amplifier 203(Power AMP), second wired input circuit 202(Line in).
In one embodiment, the first transceiving line module 100 ports connect respectively first mode gauge tap 109, first power switch/pairing 108(K1), the first volume adjusting button 106, a USB charging port 107, the first display lamp 105, the first microphone 115(mic), the first audio frequency power amplifier 103, the first muting control circuit 101; The second transceiving line module 200 ports connect respectively the second mode control switch 209, second source switch/pairing 208(K1), the second volume adjusting button 206, the 2nd USB charging port 207, the second display lamp 205, second microphone 215(mic), the second audio frequency power amplifier 203, the second muting control circuit 201.
In one embodiment, first mode gauge tap 109 is set to initiatively " M " (Master) time, the first transceiving line module 100 is controlled quiet port and is exported a level control first audio frequency power amplifier 103(Power AMP) the first muting control circuit 101, making the first audio frequency power amplifier 103 is direct mode operation (BY PASS), make the first audio frequency power amplifier 103 promote the first broadcasting unit 104(loudspeaker), send music.And be set to driven at the second mode control switch 209 simultaneously " S " (Slave), the second transceiving line module 200 is controlled quiet port and is exported a level control second audio frequency power amplifier 203(Power AMP) the second muting control circuit 201, make the second audio frequency power amplifier 203(Power AMP) for silent mode (Mute).
Control the handle of music signal switch by the first microcomputer control unit 110(MCU) produce, modulate and pass to the first coupled antenna 111 through the first transmit modulator 112, launch this signal by the first coupled antenna 111.The control signal of launching via the first coupled antenna 111, is coupled to the first surface 116 and transmits signal as conductor.Receive signal via the first human body as conductor, pass to the second coupled antenna 212.Via the first public address system A1(earphone or audio amplifier) and the second earphone or audio amplifier by closely coming close to or in contact with, the control signal of launching via the first coupled antenna 111 transmits the second coupled antenna 212 of the second public address system A2.Carry out demodulation through the second receiving demodulation device 214, be reduced to digital control signal, being connected to the second microcomputer control unit 210(MCU) set requirement compares, after signal is correct, notify the second transceiving line module 200, producing level control second muting control circuit 201 is conducting state (By pass).Make music signal can enter the second audio frequency power amplifier 203 and promote the second broadcasting unit 204(loudspeaker) send musical sound.
In one embodiment, the second public address system A2(earphone or audio amplifier) utilize the second mode control switch 209 to be set as initiatively " M " (Master) time, the first public address system A1 is set as driven " S " (SLAVE) pattern, now can with the first public address system A1 pairing code, the music signal that the second transceiving line module 200 that makes the first transceiving line module 100 of the first public address system A1 can receive the second public address system A2 sends.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (7)
1. a people shares the device of music by Body contact, comprise: the first public address system A1 and the second public address system A2, described the first public address system A1 is identical with the second public address system A2 circuit, it is characterized in that, described the first public address system A1 contains the first mode gauge tap (109) that active " M " pattern is provided or selects driven " S " pattern, described first mode gauge tap (109) is electrically connected the control port of the first transceiving line module (100), the first muting control circuit in described the first transceiving line module (100) connects first muting control circuit (101) of the first audio frequency power amplifier (103), described the first transceiving line module (100) output terminal connects the first audio frequency power amplifier (103) input end, described the first audio frequency power amplifier (103) output terminal connects first wired input circuit (102), described first wired input circuit (102) output terminal connects the first broadcasting unit (104), described the first transceiving line module (100) port connects the first microcomputer control unit (110),
Described the second public address system A2 contains the second mode control switch (209) that active " M " pattern is provided or selects driven " S " pattern, described the second mode control switch (209) connects the control port of the second transceiving line module (200), the second muting control circuit in described the second transceiving line module (200) connects second muting control circuit (201) of the second audio frequency power amplifier (203), described the second transceiving line module (200) output terminal connects the second audio frequency power amplifier (203) input end, described the second audio frequency power amplifier (203) output terminal connects second wired input circuit (202), described second wired input circuit (202) output terminal connects the second broadcasting unit (204), described the second transceiving line module (200) port connects the second microcomputer control unit (210).
2. a people is by closely coming close to or in contact with the device of sharing music, the device of described shared music comprises: the first public address system A1 and the second public address system A2, the first public address system A1 is identical with the second public address system A2 circuit, it is characterized in that, described the first public address system A1 contains the first mode gauge tap (109) that active " M " pattern is provided or selects driven " S " pattern, described first mode gauge tap (109) is electrically connected the control port of the first transceiving line module (100), the first muting control circuit in described the first transceiving line module (100) connects first muting control circuit (101) of the first audio frequency power amplifier (103), described the first transceiving line module (100) output terminal connects the first audio frequency power amplifier (103) input end, described the first audio frequency power amplifier (103) output terminal connects first wired input circuit (102), described first wired input circuit (102) output terminal connects the first broadcasting unit (104), described the first transceiving line module (100) port connects the first microcomputer control unit (110),
Described the second public address system A2 contains the second mode control switch (209) that active " M " pattern is provided or selects driven " S " pattern, described the second mode control switch (209) connects the control port of the second transceiving line module (200), the second muting control circuit in described the second transceiving line module (200) connects second muting control circuit (201) of the second audio frequency power amplifier (203), described the second transceiving line module (200) output terminal connects the second audio frequency power amplifier (203) input end, described the second audio frequency power amplifier (203) output terminal connects second wired input circuit (202), described second wired input circuit (202) output terminal connects the second broadcasting unit (204), described the second transceiving line module (200) port connects the second microcomputer control unit (210).
3. device according to claim 1 and 2, it is characterized in that, described the first microcomputer control unit (110) port connects the first transmit modulator (112) and the first receiving demodulation device (114), and described the first transmit modulator (112) and the first receiving demodulation device (114) output terminal connect the first coupled antenna (111);
Described the second microcomputer control unit (210) port connects the second transmit modulator (212) and the second receiving demodulation device (214), and described the second transmit modulator (212) and the second receiving demodulation device (214) output terminal connect the second coupled antenna (211).
4. device according to claim 3, it is characterized in that, described the first public address system A1 comprises the first battery (113), and described the first battery (113) is electrically connected the first microcomputer control unit (110), the first transceiving line module (100), the first coupled antenna (111), the first audio frequency power amplifier (103), first wired input circuit (102);
Described the second public address system A2 comprises the second battery (213), and described the second battery (213) connects the second microcomputer control unit (210), the second transceiving line module (200), the second coupled antenna (211), the second audio frequency power amplifier (203), second wired input circuit (202).
5. device according to claim 1 and 2, it is characterized in that, described the first transceiving line module (100) port connects respectively first mode gauge tap (109), first power switch/pairing (108), the first volume adjusting button (106), a USB charging port (107), and described the first transceiving line module (100) port also connects the first display lamp (105), the first microphone (115), the first audio frequency power amplifier (103), the first muting control circuit (101);
Described the second transceiving line module (200) port connects respectively the second mode control switch (209), second source switch/pairing (208), the second volume adjusting button (206), the 2nd USB charging port (207), and described the second transceiving line module (200) port also connects the second display lamp (205), second microphone (215), the second audio frequency power amplifier (203), the second muting control circuit (201).
6. device according to claim 1 and 2, is characterized in that, described the first transceiving line module (100) connects the first antenna (131), and the second transceiving line module (200) connects the second antenna (231).
7. device according to claim 3, is characterized in that, the radiobeam frequency of the switch charge signal modulation of described the first coupled antenna (111) and the second coupled antenna (211) is between 1MHz～2450MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151701.0U CN203812011U (en) | 2014-03-31 | 2014-03-31 | Device for sharing music through body contact of two persons |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151701.0U CN203812011U (en) | 2014-03-31 | 2014-03-31 | Device for sharing music through body contact of two persons |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203812011U true CN203812011U (en) | 2014-09-03 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420151701.0U Expired - Lifetime CN203812011U (en) | 2014-03-31 | 2014-03-31 | Device for sharing music through body contact of two persons |
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| Country | Link |
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| CN (1) | CN203812011U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103914003A (en) * | 2014-03-31 | 2014-07-09 | 声海国际有限公司 | Device for sharing music through body contact by two people |
| WO2015169152A1 (en) * | 2014-05-09 | 2015-11-12 | Acoustic Arc International Ltd. | Proximity-based audio sharing system |
| CN105944376A (en) * | 2016-04-27 | 2016-09-21 | 葛瑱 | Educational touch dancing pad |
-
2014
- 2014-03-31 CN CN201420151701.0U patent/CN203812011U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103914003A (en) * | 2014-03-31 | 2014-07-09 | 声海国际有限公司 | Device for sharing music through body contact by two people |
| CN103914003B (en) * | 2014-03-31 | 2017-04-12 | 声海国际有限公司 | Device for sharing music through body contact by two people |
| WO2015169152A1 (en) * | 2014-05-09 | 2015-11-12 | Acoustic Arc International Ltd. | Proximity-based audio sharing system |
| CN105944376A (en) * | 2016-04-27 | 2016-09-21 | 葛瑱 | Educational touch dancing pad |
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| TR01 | Transfer of patent right |
Effective date of registration: 20170601 Address after: 17, 18 and 19, Ungyeonkawa Em surplus industrial park, Songgang street, Shenzhen, Guangdong, Baoan District Patentee after: SHENGHAI ELECTRONIC (SHENZHEN) CO.,LTD. Address before: Room 3, building 6, integrated circuit development centre, west science Avenue, Sha Tin, Hongkong Science Park, Sha Tin, New Territories, 311B Patentee before: ACOUSTIC ARC INTERNATIONAL LTD. |
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Granted publication date: 20140903 |