CN107886976A - A kind of multifunctional combination phonograph and its device - Google Patents
A kind of multifunctional combination phonograph and its device Download PDFInfo
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- CN107886976A CN107886976A CN201711431430.9A CN201711431430A CN107886976A CN 107886976 A CN107886976 A CN 107886976A CN 201711431430 A CN201711431430 A CN 201711431430A CN 107886976 A CN107886976 A CN 107886976A
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10018—Improvement or modification of read or write signals analog processing for digital recording or reproduction
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B31/00—Arrangements for the associated working of recording or reproducing apparatus with related apparatus
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Abstract
The invention discloses a kind of multifunctional combination phonograph and its device, including：Phonograph core, electricity sing circuit, tape audio circuit, AM/FM radio reception circuit, CD circuits, Bluetooth circuit, switching on-off circuit, volume control circuit, power amplification circuit, loudspeaker, power transformer and rectification circuit；The phonograph core connection electricity sings circuit；The electricity sings circuit, tape audio circuit, AM/FM radio reception circuit, CD circuits and Bluetooth circuit and connects switching on-off circuit respectively；The switching on-off circuit passes sequentially through volume control circuit and connects loudspeaker with power amplification circuit；The power transformer connects switching on-off circuit and power amplification circuit by rectification circuit respectively；Phonograph is allowd to play the audio signal in the sources such as vinyl record, tape, CD, bluetooth and radio, multiple functions bring great convenience to user.
Description
Technical field
The present invention relates to phonograph technical field, more particularly to a kind of multifunctional combination phonograph and its device.
Background technology
Gramophone is called phonograph, is a kind of playback set, its voice storage with acoustic method in disc（Disk）It is flat
In the arc cutting carved on face.Disc is placed on turntable, is rotated under stylus.Gramophone is sent out for numerous greatnesses of Edison
It is one of bright, because disc can more easily massive duplication, playing time be also longer than most of tubular recording mediums.
Phonograph currently on the market has varied, but does not all have Bluetooth receiving function substantially, and with intelligent mobile
The development of terminal, increasing people uses smart mobile phone, easy to carry due to smart mobile phone small volume, and possesses music
Playing function, increasing people like the song of oneself hobby to preserve in mobile phone, can so listened whenever and wherever possible
To the song for oneself being permitted to like.And existing phonograph, due to the function of all being received substantially without bluetooth, can not realize each terminal
As the song inside mobile phone plays on phonograph, it has not been convenient to user.Existing phonograph can only play vinyl record, Wu Fabo
Put CD, tape and AM/FM radio reception audio signal, that is to say, that existing phonograph function is single, does not possess broadcasting other forms
Or the function of the audio signal of storage medium, such as CD playing functions, tape playing function, bluetooth playing function and radio work(
Can etc., bring inconvenience to user.And the structure of existing phonograph is not compact, and space-consuming is big, cost is high.
Thus prior art could be improved and improve.
The content of the invention
In view of in place of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of multifunctional combination phonograph and
Its device, it is intended to solve the problems, such as that existing phonograph function is single.
In order to achieve the above object, this invention takes following technical scheme：
A kind of multi-function combined electric player apparatus, wherein, including：
For reading the phonograph core of disc audio signal；
Electricity for being handled disc audio signal sings circuit；
For reading the tape audio circuit of tape audio signal；
For receiving the AM/FM radio reception circuits of AM/FM audio signals；
For reading the CD circuits of CD audio signals；
For receiving the Bluetooth circuit of Bluetooth audio signals；
Switching on-off circuit for switched audio signal output；
For adjusting the volume control circuit of audio signal volume；
For the power amplification circuit being amplified to audio signal；
Loudspeaker for playing audio signal；
For carrying out the power transformer of AC-DC conversion；
For carrying out the rectification circuit of rectification to direct current signal；
The phonograph core connection electricity sings circuit；The electricity sing circuit, tape audio circuit, AM/FM radio reception circuit, CD circuits and
Bluetooth circuit connects switching on-off circuit respectively；The switching on-off circuit passes sequentially through volume control circuit and power amplification electricity
Road connects loudspeaker；The power transformer connects switching on-off circuit and power amplification circuit by rectification circuit respectively.
Described multi-function combined electric player apparatus, wherein, in addition to：LED display；The LED display connection is cut
Change on-off circuit.
Described multi-function combined electric player apparatus, wherein, in addition to：Earphone interface and RCA output interfaces；The earphone
Interface connects power amplification circuit, the RCA output interfaces connection switching on-off circuit.
Described multi-function combined electric player apparatus, wherein, the AM/FM radio reception circuit includes：For receiving AM signals
AM magnetic rod antennas；
For receiving the FM antennas of FM signals；
For carrying out the electrostatic protection module of electrostatic protection to FM signals；
For AM signals or FM signals to be converted to the radio receiver module of corresponding audio signal；
For the dio Output Modules being filtered to audio signal；
For carrying out AM or FM selections and adjusting the selection of platform to adjust platform module；
For carrying out the radio reception power regulator module of voltage stabilizing to power supply；
Purposes provides the clock module of clock signal；
For carrying out the LED indicating modules of signal designation；
The AM magnetic rod antennas connect dio Output Modules by radio receiver module；The FM antennas, electrostatic protection module, radio reception
Machine module and dio Output Modules are sequentially connected；The radio reception power regulator module, clock module and LED indicating modules connect respectively
Connect radio receiver module；The radio receiver module is also by selecting to adjust platform module to connect radio reception power regulator module.
Described multi-function combined electric player apparatus, wherein, the electrostatic protection module includes：First diode, second
Diode, the first electric capacity and the second electric capacity；The anode of first diode connects FM antennas, the negative electrode of the second diode respectively
And radio receiver module；The negative electrode of first diode passes through the first electric capacity and the second capacitance connection radio receiver module respectively；Institute
State the minus earth of the first diode；The anode of second diode connects the negative electrode of the first diode；
The radio receiver module includes：Radio chip；The AMINN pins and AMINP pins of the radio chip are all connected with AM magnetic
Staff aerial；The RFINP pins of the radio chip connect FM antennas and electrostatic protection module respectively；The radio chip
RFGNDE pins, DVSS pins and DVDD pins are all connected with electrostatic protection module；The STIN pins connection of the radio chip is received
Sound power regulator module；The ST pins connection LED indicating modules of the radio chip；The TUNINP pins of the radio chip,
VOL pins and AM-FM pins are hanging；The RFVDD pins of the radio chip, AVDD pins, STALP pins, XTALN pins and
AVSS pins are all connected with clock module；The LOUT pins and ROUT pins of the radio chip are all connected with dio Output Modules；Institute
State the SPAN pins of radio chip and CH pins are all connected with selection and adjust platform module；The model KT0932 of the radio chip.
Described multi-function combined electric player apparatus, wherein, the dio Output Modules include：First resistor, the second electricity
Resistance, 3rd resistor, the 4th resistance, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the 7th electric capacity and the 8th electric capacity；
One end connection radio receiver module of 3rd electric capacity, is also grounded by first resistor；The other end of 3rd electric capacity is successively
Logical 3rd resistor and the 7th capacitance connection audio L channel output end, also pass through the 5th capacity earth；The one of 4th electric capacity
End connection radio receiver module, is also grounded by second resistance；The other end of 4th electric capacity leads to the 4th resistance and the 8th successively
Capacitance connection audio R channel output end, also passes through the 6th capacity earth；
The selection adjusts platform module to include：5th resistance, the 6th resistance, the 7th resistance, first switch and swept resistance；The cunning
The sliding end connection radio receiver module of dynamic resistance；The first fixing end connection radio reception power regulator module of the swept resistance, also
Radio receiver module and first switch are connected by the 5th resistance respectively；The second fixing end ground connection of the swept resistance；Described
One switch passes through the 6th resistance and the 7th resistance eutral grounding respectively.
Described multi-function combined electric player apparatus, wherein, the radio reception power regulator module includes：8th resistance,
Nine resistance, the 11st resistance, the 12nd resistance, second switch, the 9th electric capacity, the tenth electric capacity, the 11st electric capacity, the 12nd electricity
Appearance, voltage stabilizing chip, the first inductance and the second inductance；The VIN pins of the voltage stabilizing chip connect supply voltage by the 8th resistance
End, also passes through the 9th electric capacity and the tenth capacity earth respectively；The DGND pins ground connection of the voltage stabilizing chip；The voltage stabilizing chip
OUT pins pass through the 11st electric capacity and the 12nd capacity earth respectively；The OUT pins of the voltage stabilizing chip also pass sequentially through the 9th
Resistance and the first inductance connection radio receiver module, also pass sequentially through the 9th resistance and platform module is adjusted in the selection of the second inductance connection；Institute
State the 9th resistance and pass sequentially through the first inductance and the 12nd resistance connection second switch, the second switch connects radio mould
Block；The second switch also passes through the 11st resistance eutral grounding；
The LED indicating modules include：Tenth resistance and the 3rd diode；The anode of 3rd diode passes through the tenth resistance
Connect radio receiver module, the minus earth of the 3rd diode；
The clock module includes：13rd electric capacity, the 14th electric capacity, the 15th electric capacity, the 16th electric capacity and crystal oscillator；The crystalline substance
One end connection radio receiver module to shake, also passes through the 15th capacity earth；The other end connection radio receiver module of the crystal oscillator, also
Pass through the 16th capacity earth；One end of 13rd electric capacity connects chip power supply end and radio receiver module, the other end respectively
Ground connection；One end of 14th electric capacity connects chip power supply end and radio receiver module, other end ground connection respectively.
A kind of multifunctional combination phonograph, wherein, including：Casing, the casing include the bottom plate and top cover being oppositely arranged,
Enclosed successively between the bottom plate and top cover provided with the first side wall, second sidewall, the 3rd side wall and the 4th side wall, in the casing
The first side wall be provided with multiple openings, the opening of the first side wall be provided with loudspeaker and for combination phonograph enter
The control panel of row control, the CD playing devices for playing CD are additionally provided with the opening of the first side wall；Described
The second sidewall of casing is provided with opening, and dress is played in the tape that the opening of the second sidewall is provided with for playing tape
Put；The box house is provided with median septum, opening is provided with the median septum, is set in the opening of the median septum
There is phonograph core；
Wherein, pcb board is provided with the control panel, is provided with the pcb board for being carried out to disc audio signal
The electricity of processing sings circuit, the tape audio circuit for reading tape audio signal, the AM/ for receiving AM/FM audio signals
FM radio reception circuit, the CD circuits for reading CD audio signals, the Bluetooth circuit for receiving Bluetooth audio signals, for switching
Audio signal output switching on-off circuit, the volume control circuit for adjusting audio signal volume, for audio signal
The power amplification circuit being amplified, the power transformer for carrying out AC-DC conversion and for direct current signal carry out rectification
Rectification circuit；
The phonograph core electrical connection electricity sings circuit；The CD playing devices electrically connect CD circuits；The tape playing device electricity
Connect tape audio circuit；The electricity sings circuit, tape audio circuit, AM/FM radio reception circuit, CD circuits and Bluetooth circuit difference
Connection switching on-off circuit；The switching on-off circuit passes sequentially through volume control circuit and power amplification circuit electrical connection loudspeaker
；The power transformer connects switching on-off circuit and power amplification circuit by rectification circuit respectively.
Described multifunctional combination phonograph, wherein, offer multiple voice guide holes in the 3rd side wall of the casing.
Described multifunctional combination phonograph, wherein, LED display is provided with the control panel, the LED shows
Display screen electrical connection switching on-off circuit.
Compared to prior art, multifunctional combination phonograph and its device provided by the invention, by integrating a variety of audios
Playing device so that phonograph can play the audio signal in the sources such as vinyl record, tape, CD, bluetooth and radio, to use
Family brings great convenience.
Brief description of the drawings
Fig. 1 is the circuit diagram of multi-function combined electric player apparatus provided by the invention.
Fig. 2 is the structured flowchart of AM/FM radio reception circuit preferred embodiment provided by the invention.
Fig. 3 is the circuit diagram of AM/FM radio reception circuit Application Example provided by the invention.
Fig. 4 is the Structure explosion diagram of multifunctional combination phonograph provided by the invention.
Embodiment
The present invention provides a kind of multifunctional combination phonograph and its device.To make the purpose of the present invention, technical scheme and effect
Fruit is clearer, clear and definite, and the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.It should be appreciated that this place
The specific embodiment of description only to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, Fig. 1 is the circuit diagram of multi-function combined electric player apparatus provided by the invention, such as Fig. 1 institutes
Show, a kind of present invention offer multi-function combined electric player apparatus, including：For reading the phonograph core of disc audio signal
11；Electricity for being handled disc audio signal sings circuit 12；For reading the tape audio circuit of tape audio signal
13；For receiving the AM/FM radio reception circuit 14 of AM/FM audio signals；For reading the CD circuits 15 of CD audio signals；For connecing
Receive the Bluetooth circuit 16 of Bluetooth audio signals；Switching on-off circuit 17 for switched audio signal output；For adjusting audio
The volume control circuit 18 of signal volume；For the power amplification circuit 19 being amplified to audio signal；For playing audio
The loudspeaker 20 of signal；For carrying out the power transformer 21 of AC-DC conversion；For carrying out the rectified current of rectification to direct current signal
Road 22；The phonograph core 11 connects electricity and sings circuit 12；The electricity sings circuit 12, tape audio circuit 13, AM/FM radio reception circuits
14th, CD circuits 15 and Bluetooth circuit 16 connect switching on-off circuit 17 respectively；The switching on-off circuit 17 passes sequentially through volume
Control circuit 18 and power amplification circuit 19 connect loudspeaker 20；The power transformer 21 is connected and cut respectively by rectification circuit 22
Change on-off circuit 17 and power amplification circuit 19.
Specifically, as shown in figure 1, the present invention by the way that electricity is sung, tape, radio, CD and Bluetooth circuit integrate,
Selection switching is carried out by switching on-off circuit, so that phonograph can not only play a record（Namely electricity sing circuit and
The function of phonograph core）, tape or CD can also be played, the audio signal of bluetooth reception or the receipts of antenna reception can also be played
Sound machine audio signal, realizes multiple functions, and above-mentioned five functions can carry out selection broadcasting audio letter by switching on-off circuit
Number.Circuit is sung on phonograph core and electricity, the phonograph core of existing phonograph and electricity can be used to sing circuit, this is prior art.
On tape audio circuit, AM/FM radio reception circuit, CD circuits and Bluetooth circuit, existing tape playing device, radio reception can be used
Machine, CD playing devices and bluetooth module are realized.On switching on-off circuit, can be accomplished in several ways, for example using hilted broadsword
Multithrow switch come realize the switching of above-mentioned five functions select, can also by the combinational circuit of multiple single-pole double-throw switch (SPDT)s come reality
It is existing, it can also be realized by relay circuit, have a variety of implementations, be no longer described in detail herein.And volume control circuit, power are put
Big circuit and rectification circuit are prior art, are circuit commonly used in the prior art, do not do excessive elaboration herein.On power supply
Transformer is that AC220V is converted into DC12V, so as to be to power amplification circuit and switching on-off circuit power supply, AC-DC conversion
Prior art, no longer it is described in detail herein.
Preferably, described multi-function combined electric player apparatus, in addition to：LED display 23；The LED display 23
Connection switching on-off circuit 17.Specifically, further there is provided LED to show for multi-function combined electric player apparatus of the invention
Screen, it can be used for showing the volume parameters of above-mentioned five functions, for example volume, song title etc., it is also possible to show electricity
The running parameter of phonograph.
Preferably, described multi-function combined electric player apparatus, in addition to：Earphone interface 24 and RCA output interfaces 25；Institute
State earphone interface 24 and connect power amplification circuit 19, the connection of the RCA output interfaces 15 switching on-off circuit 17.Specifically,
Multi-function combined electric player apparatus provided by the invention not only has loudspeaker function, can also be by earphone interface 24 by audio
Signal output is to earphone, so as to allow user can be with earphone receiving.It can be also transferred to by RCA output interfaces in other electronic equipments
Audio broadcasting is carried out, is for example output to television set or video disc player, RAC output interfaces are the interface of existing specification, are not made herein in detail
State.
Further, in practical application, when playing the music that radio receives on phonograph, tonequality still occurs not
Good, antenna receives the unstable situation of audio signal, has both influenceed use of the user to radio function, and reduce music
Audibility.In order to avoid the above situation, the present invention is further improved AM/FM radio reception circuits, referring to Fig. 2, Fig. 2
For the structured flowchart of AM/FM radio reception circuit preferred embodiment provided by the invention, it is preferable that the AM/FM radio reception circuit 14 wraps
Include：For receiving the AM magnetic rod antennas 110 of AM signals；For receiving the FM antennas 120 of FM signals；It is quiet for being carried out to FM signals
The electrostatic protection module 130 of electricity protection；For AM signals or FM signals to be converted to the radio receiver module of corresponding audio signal
140；For the dio Output Modules 150 being filtered to audio signal；For carrying out AM or FM selections and adjusting the selection of platform to adjust
Platform module 160；For carrying out the radio reception power regulator module 170 of voltage stabilizing to power supply；Purposes provides the clock module of clock signal
180；For carrying out the LED indicating modules 190 of signal designation；The AM magnetic rod antennas 110 connect sound by radio receiver module 140
Frequency output module 150；The FM antennas 120, electrostatic protection module 130, radio receiver module 140 and dio Output Modules 150 according to
Secondary connection；The radio reception power regulator module 170, clock module 180 and LED indicating modules 190 connect radio receiver module respectively
140；The radio receiver module 140 is also by selecting to adjust platform module 160 to connect radio reception power regulator module 170
Specifically, the AM/FM radio reception circuit is arranged on the pcb board of phonograph, is connect by AM magnetic rod antennas and FM antennas
Radio broadcasting signal corresponding to receipts, analysis then is carried out to radio broadcasting signal by radio receiver module and is converted to corresponding audio
Left and right sound track signals, output then is filtered to audio left and right sound track signals, broadcasted by the loudspeaker of phonograph, Bian Kerang
User hears AM broadcast and FM broadcast.In practical application, the adjustable selection of user adjusts platform module to control radio receiver module
Carry out zapping.The present invention carries out voltage stabilizing by radio reception power regulator module to supply voltage so that the work of phonograph radio reception circuit
Make more to stablize, audio left and right sound track signals are filtered by dio Output Modules so that phonograph plays radio broadcasting
Signal effect is apparent, and tonequality is more preferable.The present invention also by LED indicating modules come show work whether state, brought to user
Significantly facilitate.The present invention increases radio reception circuit on phonograph so that phonograph is also provided with AM/FM function of radio receiver, to user
Bring and greatly facilitate.
Preferably, referring to Fig. 3, the circuit that Fig. 3 is AM/FM radio reception circuit Application Example provided by the invention is illustrated
Figure, in practical application, the AM/FM radio reception circuit is as shown in Figure 3.The electrostatic protection module 130 includes：First diode
D1, the second diode D2, the first electric capacity C1 and the second electric capacity C2；The anode of the first diode D1 connects FM antennas respectively
FM, the second diode D2 negative electrode and radio receiver module 140；The negative electrode of the first diode D1 passes through the first electric capacity C1 respectively
Radio receiver module 140 is connected with the second electric capacity C2；The minus earth of the first diode D1；The sun of the second diode D2
Pole connects the first diode D1 negative electrode.Specifically, due to the frequency range reason of FM antennas, in FM antennas 120 and radio mould
Electrostatic protection module 130 is added between block 140 to carry out electrostatic protection.Especially by two relatively reverse diodes in parallel
To realize, electrostatic protection and filtering are also carried out by the first electric capacity C1 and the second electric capacity C2.
Preferably, the radio receiver module 140 includes：Radio chip U1；The AMINN pins of the radio chip U1 and
AMINP pins are all connected with AM magnetic rod antennas 110；The RFINP pins of the radio chip U1 connect FM antennas 120 and electrostatic respectively
Protection module 130；RFGNDE pins, DVSS pins and the DVDD pins of the radio chip U1 is all connected with electrostatic protection module
130；The STIN pins connection radio reception power regulator module 170 of the radio chip U1；The ST pins of the radio chip U1 connect
Connect LED indicating modules 190；The TUNINP pins of the radio chip U1, VOL pins and AM-FM pins are hanging；The radio reception core
RFVDD pins, AVDD pins, STALP pins, XTALN pins and the AVSS pins of piece are all connected with clock module 180；The receipts
Sound chip U1 LOUT pins and ROUT pins is all connected with dio Output Modules 150；The SPAN pins of the radio chip U1 and
CH pins are all connected with selection and adjust platform module 160.Specifically, the RFINP pins connection FM antennas 120 of the radio chip U1,
It is also connected with the anode of the first diode of electrostatic protection module 130；The RFGNDE pins and DVSS pins of the radio chip U1
Ground connection, the DVDD pins of the radio chip U1 pass through the second capacity earth.Wherein, pin is vacantly namely unloaded, does not access
Circuit.In practical application, the model KT0932 of the radio chip, also can be using the AM/FM chips of other radio reception.
Preferably, the dio Output Modules 150 include：First resistor R1, second resistance R2,3rd resistor R3, the 4th
Resistance R4, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, the 6th electric capacity C6, the 7th electric capacity C7 and the 8th electric capacity C8；Institute
The 3rd electric capacity C3 one end connection radio receiver module 140 is stated, is also grounded by first resistor R1；The 3rd electric capacity C3's is another
End leads to 3rd resistor R3 and the 7th electric capacity C7 connection audio L channel output end TULI successively, is also grounded by the 5th electric capacity C5；
One end connection radio receiver module 140 of the 4th electric capacity C4, is also grounded by second resistance R2；The 4th electric capacity C4's is another
One end leads to the 4th resistance R4 and the 8th electric capacity C8 connection audio R channel output end TURI successively, is also connect by the 6th electric capacity C6
Ground.Specifically, the present invention further increases dio Output Modules on radio reception circuit and audio left and right sound track signals is filtered
Ripple.As shown in figure 3, the LOUT pins of the radio chip U1 are grounded by first resistor R1, the 3rd electric capacity, are also passed sequentially through
Three resistance and the 7th capacitance connection audio L channel output end TULI, that is, to being believed by this partial circuit audio L channel
Number it is filtered.Similarly, the ROUT pins of the radio chip U1 are grounded by second resistance, also pass sequentially through the 4th electric capacity,
4th resistance and the 8th capacitance connection audio R channel output end TURI, so as to which to audio, sound channel signal is filtered again.So
The tonequality of radio broadcasting signal for making to obtain is more preferable.
Preferably, the selection adjusts platform module 160 to include：5th resistance R5, the 6th resistance R6, the 7th resistance R7, first
Switch JK1 and swept resistance VR1；The sliding end connection radio receiver module 140 of the swept resistance VR1（Namely radio chip
U1 CH pins）；The first fixing end connection radio reception power regulator module 170 of the swept resistance VR1, also passes through the 5th resistance
R5 connects radio receiver module 140 respectively（Namely radio chip U1 SPAN pins）With first switch JK1；The swept resistance
VR1 the second fixing end ground connection；The first switch JK1 is grounded by the 6th resistance R6 and the 7th resistance R7 respectively.It is specific next
Say, when listening to AM/FM broadcast singals, be required for frequency modulation to carry out zapping, that is, listen to the broadcasting station of different frequency range, for convenience
User raises platform and cost-effective in phonograph, and this adjusts platform using new by swept resistance VR1, by adjusting VR1's
Resistance, the corresponding CH pins by radio chip U1 feed back, so as to realize tune platform.In practical application, user can pass through regulation
First switch JK1 realizes tune platform.
Preferably, it is more stable in order to listen to radio broadcasting, mu balanced circuit is additionally arranged to supply voltage, the radio reception power supply is steady
Die block 170 includes：8th resistance R8, the 9th resistance R9, the 11st resistance R11, the 12nd resistance R12, second switch JK2,
9th electric capacity C9, the tenth electric capacity C10, the 11st electric capacity C11, the 12nd electric capacity C12, voltage stabilizing chip U2, the first inductance L1 and
Two inductance L2；The VIN pins of the voltage stabilizing chip U2 also pass through respectively by the 8th resistance R8 connection power voltage terminal VCC
Nine electric capacity C9 and the tenth electric capacity C10 ground connection；The DGND pins ground connection of the voltage stabilizing chip U2；The OUT of the voltage stabilizing chip U2 draws
Pin is grounded by the 11st electric capacity C11 and the 12nd electric capacity C12 respectively；The OUT pins of the voltage stabilizing chip U2 also pass sequentially through
9th resistance R9 and the first inductance L1 connections radio receiver module 140（Namely radio chip U1 DVDD pins）, also lead to successively
Cross the 9th resistance R9 and platform module 160 is adjusted in the second inductance L2 connections selection（Namely swept resistance VR1 the first fixing end）；Institute
State the 9th resistance R9 and pass sequentially through the first inductance L1 and the 12nd resistance R12 connection second switch JK2, the second switch JK2
Connect radio receiver module 140（Namely radio chip U1 STIN pins）；The second switch JK2 also passes through the 11st resistance
R11 is grounded.Specifically, the voltage stabilizing chip U2 can use model HT7533 voltage stabilizing chip, can also use certainly other
Voltage stabilizing chip.The present invention is additionally arranged mu balanced circuit and carries out voltage stabilizing to supply voltage VCC voltage, so as to be supplied to radio chip U1
Voltage it is more stable, also cause phonograph radio reception circuit work it is more stable, substantially increase service life, and circuit is more steady
Fixed and safety.Further it is additionally arranged the first inductance L1 and the second inductance L2 so that platform module is adjusted to radio receiver module and selection
Power more stable.In practical application, user can by adjust second switch JK2 realize control radio reception circuit work with
It is no.
Please continue to refer to Fig. 3, it is preferable that the LED indicating modules 190 include：Tenth resistance R10 and the 3rd diode
D3；The anode of the 3rd diode D3 passes through the tenth resistance R10 connections radio receiver module 140（Namely radio chip U1's
ST pins）, the minus earth of the 3rd diode D3.Specifically, LED indicating modules 190 are set up to indicate that the electricity is sung
The working condition of machine radio reception circuit, work can be indicated whether by light on and off state.
Preferably, the clock module 180 includes：13rd electric capacity C13, the 14th electric capacity C14, the 15th electric capacity C15,
16th electric capacity C16 and crystal oscillator Y1；One end connection radio receiver module 140 of the crystal oscillator Y1（Namely radio chip U1's
STALP pins）, also it is grounded by the 15th electric capacity C15；The other end connection radio receiver module 140 of the crystal oscillator Y1（Namely
Radio chip U1 XTALN pins）, also it is grounded by the 16th electric capacity C16；One end of the 13rd electric capacity C13 connects respectively
Meet chip power supply end VDD and radio receiver module 140（Namely radio chip U1 RFVDD pins and AVDD pins）, the other end
Ground connection；One end of the 14th electric capacity C14 connects chip power supply end VDD and radio receiver module 140 respectively（Namely radio reception core
Piece U1 RFVDD pins and AVDD pins）, other end ground connection.In practical application, the AVSS pins of the radio chip U1 are also
It is grounded by the 16th electric capacity C16.Specifically, by clock signal radio reception circuit caused by crystal oscillator sequentially in time
Work.It is prior art on power voltage terminal VCC and chip power supply end VDD, magnitude of voltage can be set according to actual circuit.This hair
It is bright to further provide a kind of AM/FM radio reception circuit so that phonograph also has AM and FM function of radio receiver, working stability, tonequality
Preferably, there is good application prospect.
Referring to Fig. 4, Fig. 4 is the Structure explosion diagram of multifunctional combination phonograph provided by the invention.As shown in figure 4, this
Invention additionally provides a kind of multifunctional combination phonograph, and the multifunctional combination phonograph includes：Casing 30, the casing 30 wrap
The bottom plate 31 and top cover 32 being oppositely arranged are included, is enclosed successively between the bottom plate 31 and top cover 32 provided with the first side wall 33, second
Sidewall 34, the 3rd side wall 35 and the 4th side wall 36, multiple openings are provided with the first side wall 33 of the casing 30, described
The opening of one side wall 33 is provided with loudspeaker 20 and the control panel 37 for being controlled to combination phonograph, described first
The opening of side wall 33 is additionally provided with the CD playing devices 38 for playing CD；It is provided with the second sidewall 34 of the casing 30
Opening, the tape playing device 39 for playing tape is provided with the opening of the second sidewall 34；In the casing 30
Median septum 40 is internally provided with, opening is provided with the median septum 40, the opening of the median septum 40, which is provided with electricity, to be sung
Movement 11；
Wherein, pcb board 41 is provided with the control panel 37, is provided with the pcb board 41 for believing disc audio
Number electricity handled sings circuit 12, the tape audio circuit 13 for reading tape audio signal, for receiving AM/FM audios
The AM/FM radio reception circuit 14 of signal, the CD circuits 15 for reading CD audio signals, the bluetooth for receiving Bluetooth audio signals
Circuit 16, the switching on-off circuit 17 for switched audio signal output, the volume control electricity for adjusting audio signal volume
Road 18, the power amplification circuit 19 for being amplified to audio signal, the power transformer 21 for carrying out AC-DC conversion
And for carrying out the rectification circuit 22 of rectification to direct current signal；
The phonograph core 11 electrically connects electricity and sings circuit 12；The CD playing devices 38 electrically connect CD circuits 15；The tape is broadcast
Put device 39 and electrically connect tape audio circuit 13；The electricity sings circuit 12, tape audio circuit 13, AM/FM radio reception circuit 14, CD
Circuit 15 and Bluetooth circuit 16 connect switching on-off circuit 17 respectively；The switching on-off circuit 17 passes sequentially through volume control electricity
Road 18 and power amplification circuit 19 electrically connect loudspeaker 20；The power transformer 21 connects switching by rectification circuit 22 and opened respectively
Powered-down road 17 and power amplification circuit 19.
Specifically, in order to further save space, reduce small product size, realize the miniaturization of phonograph, the present invention carries
The multifunctional combination phonograph of confession, its practical structures are a casing 30, and casing 30 is then made up of six flat boards, respectively phase up and down
To bottom plate 31 and top cover 32, and four sides being sequentially connected, that is, the first side wall 33, second sidewall 34, the 3rd side
The side wall 36 of wall 35 and the 4th.In order to reduce small product size, the present invention offers multiple openings in the first side wall 33, as shown in figure 4,
Opened up three openings, the wherein opening on both sides is used to placing or install loudspeaker 20, that is, there is provided two loudspeaker 20 or
Loudspeaker, middle larger opening are then to place the control panel 37 for being used for being controlled to combination phonograph, so, are reduced
Small product size, user can operate and control the working condition of phonograph on the first side wall.It is conventional on control panel 37
Technology, multiple corresponding control buttons are provided with above.Preferably, it is additionally provided with CD at middle larger open on the first side wall
Playing device 38, the primary structure of CD playing devices 38 are located in box house, can be incited somebody to action by the opening of the first side wall
CD is put into CD playing devices 38 and played out.And CD playing devices 38 have a variety of implementations in the prior art, herein not
Repeat again.Likewise, opening is provided with second sidewall 34, it is corresponding to be used for placing tape playing device 39, tape playing device
39 primary structure is also to play a tape into tape playing device 39 by the opening of second sidewall 34 in box house, user
Row plays.Likewise, the casing 30 is internally provided with median septum 40, median septum 40 sets opening to place phonograph core 11.
During practical application, pcb board 41 is provided with the control panel 37, circuit as shown in Figure 1, PCB are set on the pcb board 41
Plate is electrically connected with phonograph core 11, CD playing devices 38 and tape playing device 39, so as to focus on difference in functionality
Audio Signal Processing, so also cause product with compact structure, smallerization.In foregoing circuit and multi-function combined electric player apparatus
Circuit is identical, and here is omitted.
Preferably, multiple voice guide holes 42 are offered in the 3rd side wall 35 of the casing 30.For multi-function combined electric
The tonequality of phonograph is more preferable, and multiple voice guide holes 42, preferably 2 are opened up in the 3rd side wall 35.
Preferably, LED display 23, the electrical connection of LED display 23 switching are provided with the control panel 37
On-off circuit 17.That is, LED display can show the working condition and parameter of multifunctional combination phonograph, the present invention will
It is arranged on control panel 37, when being adjusted on the control panel beneficial to user while observes regulation result.
In summary, a kind of multifunctional combination phonograph and its device provided by the invention, including：Phonograph core, electricity are sung
Circuit, tape audio circuit, AM/FM radio reception circuit, CD circuits, Bluetooth circuit, switching on-off circuit, volume control circuit, work(
Rate amplifying circuit, loudspeaker, power transformer and rectification circuit；The phonograph core connection electricity sings circuit；The electricity sings circuit, magnetic
Band voicefrequency circuit, AM/FM radio reception circuit, CD circuits and Bluetooth circuit connect switching on-off circuit respectively；The switching switch electricity
Road passes sequentially through volume control circuit and connects loudspeaker with power amplification circuit；The power transformer is connected respectively by rectification circuit
Connect switching on-off circuit and power amplification circuit so that phonograph can play vinyl record, tape, CD, bluetooth and radio
Deng the audio signal in source, multiple functions bring great convenience to user, and tonequality is preferable, product with compact structure, bring
Greatly facilitate.
It is understood that for those of ordinary skills, can be with technique according to the invention scheme and its hair
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Protect scope.
Claims (10)
- A kind of 1. multi-function combined electric player apparatus, it is characterised in that including：For reading the phonograph core of disc audio signal；Electricity for being handled disc audio signal sings circuit；For reading the tape audio circuit of tape audio signal；For receiving the AM/FM radio reception circuits of AM/FM audio signals；For reading the CD circuits of CD audio signals；For receiving the Bluetooth circuit of Bluetooth audio signals；Switching on-off circuit for switched audio signal output；For adjusting the volume control circuit of audio signal volume；For the power amplification circuit being amplified to audio signal；Loudspeaker for playing audio signal；For carrying out the power transformer of AC-DC conversion；For carrying out the rectification circuit of rectification to direct current signal；The phonograph core connection electricity sings circuit；The electricity sing circuit, tape audio circuit, AM/FM radio reception circuit, CD circuits and Bluetooth circuit connects switching on-off circuit respectively；The switching on-off circuit passes sequentially through volume control circuit and power amplification electricity Road connects loudspeaker；The power transformer connects switching on-off circuit and power amplification circuit by rectification circuit respectively.
- 2. multi-function combined electric player apparatus according to claim 1, it is characterised in that also include：LED display；Institute State LED display connection switching on-off circuit.
- 3. multi-function combined electric player apparatus according to claim 1, it is characterised in that also include：Earphone interface and RCA Output interface；The earphone interface connects power amplification circuit, the RCA output interfaces connection switching on-off circuit.
- 4. multi-function combined electric player apparatus according to claim 1, it is characterised in that the AM/FM radio reception circuit bag Include：For receiving the AM magnetic rod antennas of AM signals；For receiving the FM antennas of FM signals；For carrying out the electrostatic protection module of electrostatic protection to FM signals；For AM signals or FM signals to be converted to the radio receiver module of corresponding audio signal；For the dio Output Modules being filtered to audio signal；For carrying out AM or FM selections and adjusting the selection of platform to adjust platform module；For carrying out the radio reception power regulator module of voltage stabilizing to power supply；Purposes provides the clock module of clock signal；For carrying out the LED indicating modules of signal designation；The AM magnetic rod antennas connect dio Output Modules by radio receiver module；The FM antennas, electrostatic protection module, radio reception Machine module and dio Output Modules are sequentially connected；The radio reception power regulator module, clock module and LED indicating modules connect respectively Connect radio receiver module；The radio receiver module is also by selecting to adjust platform module to connect radio reception power regulator module.
- 5. multi-function combined electric player apparatus according to claim 4, it is characterised in that the electrostatic protection module bag Include：First diode, the second diode, the first electric capacity and the second electric capacity；The anode of first diode connects FM days respectively The negative electrode and radio receiver module of line, the second diode；The negative electrode of first diode passes through the first electric capacity and the second electricity respectively Hold connection radio receiver module；The minus earth of first diode；The anode of second diode connects the first diode Negative electrode；The radio receiver module includes：Radio chip；The AMINN pins and AMINP pins of the radio chip are all connected with AM magnetic Staff aerial；The RFINP pins of the radio chip connect FM antennas and electrostatic protection module respectively；The radio chip RFGNDE pins, DVSS pins and DVDD pins are all connected with electrostatic protection module；The STIN pins connection of the radio chip is received Sound power regulator module；The ST pins connection LED indicating modules of the radio chip；The TUNINP pins of the radio chip, VOL pins and AM-FM pins are hanging；The RFVDD pins of the radio chip, AVDD pins, STALP pins, XTALN pins and AVSS pins are all connected with clock module；The LOUT pins and ROUT pins of the radio chip are all connected with dio Output Modules；Institute State the SPAN pins of radio chip and CH pins are all connected with selection and adjust platform module；The model KT0932 of the radio chip.
- 6. multi-function combined electric player apparatus according to claim 4, it is characterised in that the dio Output Modules bag Include：First resistor, second resistance, 3rd resistor, the 4th resistance, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, Seven electric capacity and the 8th electric capacity；One end connection radio receiver module of 3rd electric capacity, is also grounded by first resistor；Described 3rd The other end of electric capacity leads to 3rd resistor and the 7th capacitance connection audio L channel output end successively, also passes through the 5th capacity earth； One end connection radio receiver module of 4th electric capacity, is also grounded by second resistance；The other end of 4th electric capacity is successively Logical 4th resistance and the 8th capacitance connection audio R channel output end, also pass through the 6th capacity earth；The selection adjusts platform module to include：5th resistance, the 6th resistance, the 7th resistance, first switch and swept resistance；The cunning The sliding end connection radio receiver module of dynamic resistance；The first fixing end connection radio reception power regulator module of the swept resistance, also Radio receiver module and first switch are connected by the 5th resistance respectively；The second fixing end ground connection of the swept resistance；Described One switch passes through the 6th resistance and the 7th resistance eutral grounding respectively.
- 7. multi-function combined electric player apparatus according to claim 4, it is characterised in that the radio reception power regulator module Including：8th resistance, the 9th resistance, the 11st resistance, the 12nd resistance, second switch, the 9th electric capacity, the tenth electric capacity, the tenth One electric capacity, the 12nd electric capacity, voltage stabilizing chip, the first inductance and the second inductance；The VIN pins of the voltage stabilizing chip pass through the 8th electricity Resistance connection power voltage terminal, also passes through the 9th electric capacity and the tenth capacity earth respectively；The DGND pins ground connection of the voltage stabilizing chip； The OUT pins of the voltage stabilizing chip pass through the 11st electric capacity and the 12nd capacity earth respectively；The OUT pins of the voltage stabilizing chip The 9th resistance and the first inductance connection radio receiver module are also passed sequentially through, also passes sequentially through the 9th resistance and the choosing of the second inductance connection Select and adjust platform module；9th resistance passes sequentially through the first inductance and the 12nd resistance connection second switch, the second switch Connect radio receiver module；The second switch also passes through the 11st resistance eutral grounding；The LED indicating modules include：Tenth resistance and the 3rd diode；The anode of 3rd diode passes through the tenth resistance Connect radio receiver module, the minus earth of the 3rd diode；The clock module includes：13rd electric capacity, the 14th electric capacity, the 15th electric capacity, the 16th electric capacity and crystal oscillator；The crystalline substance One end connection radio receiver module to shake, also passes through the 15th capacity earth；The other end connection radio receiver module of the crystal oscillator, also Pass through the 16th capacity earth；One end of 13rd electric capacity connects chip power supply end and radio receiver module, the other end respectively Ground connection；One end of 14th electric capacity connects chip power supply end and radio receiver module, other end ground connection respectively.
- A kind of 8. multifunctional combination phonograph, it is characterised in that including：Casing, the casing include the bottom plate that is oppositely arranged and Top cover, enclosed successively between the bottom plate and top cover provided with the first side wall, second sidewall, the 3rd side wall and the 4th side wall, in institute The first side wall for stating casing is provided with multiple openings, and loudspeaker are provided with and for combination electricity in the opening of the first side wall The control panel that phonograph is controlled, the CD playing devices for playing CD are additionally provided with the opening of the first side wall； Opening is provided with the second sidewall of the casing, the opening of the second sidewall is provided with the tape for playing tape Playing device；The box house is provided with median septum, opening is provided with the median septum, in the opening of the median septum Place is provided with phonograph core；Wherein, pcb board is provided with the control panel, is provided with the pcb board for being carried out to disc audio signal The electricity of processing sings circuit, the tape audio circuit for reading tape audio signal, the AM/ for receiving AM/FM audio signals FM radio reception circuit, the CD circuits for reading CD audio signals, the Bluetooth circuit for receiving Bluetooth audio signals, for switching Audio signal output switching on-off circuit, the volume control circuit for adjusting audio signal volume, for audio signal The power amplification circuit being amplified, the power transformer for carrying out AC-DC conversion and for direct current signal carry out rectification Rectification circuit；The phonograph core electrical connection electricity sings circuit；The CD playing devices electrically connect CD circuits；The tape playing device electricity Connect tape audio circuit；The electricity sings circuit, tape audio circuit, AM/FM radio reception circuit, CD circuits and Bluetooth circuit difference Connection switching on-off circuit；The switching on-off circuit passes sequentially through volume control circuit and power amplification circuit electrical connection loudspeaker ；The power transformer connects switching on-off circuit and power amplification circuit by rectification circuit respectively.
- 9. multifunctional combination phonograph according to claim 8, it is characterised in that opened in the 3rd side wall of the casing Provided with multiple voice guide holes.
- 10. multifunctional combination phonograph according to claim 8, it is characterised in that be provided with the control panel LED display, the LED display electrical connection switching on-off circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711431430.9A CN107886976B (en) | 2017-12-26 | 2017-12-26 | Multifunctional combined record player and device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711431430.9A CN107886976B (en) | 2017-12-26 | 2017-12-26 | Multifunctional combined record player and device thereof |
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| CN107886976A true CN107886976A (en) | 2018-04-06 |
| CN107886976B CN107886976B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711431430.9A Active CN107886976B (en) | 2017-12-26 | 2017-12-26 | Multifunctional combined record player and device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108882099A (en) * | 2018-06-21 | 2018-11-23 | 广东理丹电子科技股份有限公司 | A kind of multifunctional sound box |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB357662A (en) * | 1929-07-17 | 1931-10-01 | Kolster Brandes Ltd | Improvements in combination radio receiver and phonograph |
| US4525820A (en) * | 1980-03-19 | 1985-06-25 | Hitachi, Ltd. | Function selecting method and system for an audio/video recording and reproducing system |
| EP0593024A2 (en) * | 1992-10-12 | 1994-04-20 | CLARION Co., Ltd. | Electronic device |
| KR20010001798A (en) * | 1999-06-08 | 2001-01-05 | 김영환 | Apparatus and method for selecting car audio mode automatically |
| CN1482039A (en) * | 2003-08-13 | 2004-03-17 | 重庆隆鑫工业（集团）有限公司 | Motorcycle having a radio apparatus |
| US20040146165A1 (en) * | 2002-12-24 | 2004-07-29 | E-Lead Electronic Co., Ltd. | Digital music broadcasting audio system |
| CN2651893Y (en) * | 2003-11-21 | 2004-10-27 | 黄志军 | Multifunctional vehicle audio player |
| WO2005006304A1 (en) * | 2003-06-11 | 2005-01-20 | Sony Electronics Inc. | Method and system for recommending connectivity configurations |
| CN200976270Y (en) * | 2006-11-29 | 2007-11-14 | 谢医华 | Universal multifunctional acoustic assembly for motorcycle and electric vehicle |
| CN201134256Y (en) * | 2007-08-29 | 2008-10-15 | 万里环球发展有限公司 | Multifunctional audio player |
| US20100318204A1 (en) * | 2009-06-16 | 2010-12-16 | Kyran Daisy | Virtual phonograph |
| CN103559900A (en) * | 2007-03-26 | 2014-02-05 | 踏途音乐公司 | Jukebox with associated video server |
| CN203520862U (en) * | 2013-10-12 | 2014-04-02 | 深圳市佳音王电子有限公司 | Phonograph with Bluetooth reception function |
| CN205050556U (en) * | 2015-09-25 | 2016-02-24 | 熊文国 | National literature gramophone |
| US20160125911A1 (en) * | 2014-11-02 | 2016-05-05 | W. Leo Hoarty | Systems and methods for reducing audio distortion during playback of phonograph records using multiple tonearm geometries |
| CN205621439U (en) * | 2016-04-14 | 2016-10-05 | 广州市海力士电子科技有限公司 | Multi -functional ancient ways formula gramophone |
| CN206301590U (en) * | 2016-12-29 | 2017-07-04 | 广州市逸科电子科技有限公司 | A kind of in-vehicle player with shock-absorbing function |
| CN206380085U (en) * | 2017-01-23 | 2017-08-04 | 深圳市佳音王科技股份有限公司 | A kind of phonograph with Bluetooth transmission function |
| CN206575584U (en) * | 2017-01-23 | 2017-10-20 | 深圳市佳音王科技股份有限公司 | A kind of combination phonograph with DAB circuits |
| CN207587379U (en) * | 2017-12-26 | 2018-07-06 | 深圳市佳音王科技股份有限公司 | A kind of multifunctional combination phonograph and its device |
| CN207625775U (en) * | 2017-12-26 | 2018-07-17 | 深圳市佳音王科技股份有限公司 | A kind of phonograph radio reception circuit and phonograph |
| CN207625544U (en) * | 2017-12-26 | 2018-07-17 | 深圳市佳音王科技股份有限公司 | A kind of phonograph and its bluetooth receiving circuit |
-
2017
- 2017-12-26 CN CN201711431430.9A patent/CN107886976B/en active Active
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB357662A (en) * | 1929-07-17 | 1931-10-01 | Kolster Brandes Ltd | Improvements in combination radio receiver and phonograph |
| US4525820A (en) * | 1980-03-19 | 1985-06-25 | Hitachi, Ltd. | Function selecting method and system for an audio/video recording and reproducing system |
| EP0593024A2 (en) * | 1992-10-12 | 1994-04-20 | CLARION Co., Ltd. | Electronic device |
| KR20010001798A (en) * | 1999-06-08 | 2001-01-05 | 김영환 | Apparatus and method for selecting car audio mode automatically |
| US20040146165A1 (en) * | 2002-12-24 | 2004-07-29 | E-Lead Electronic Co., Ltd. | Digital music broadcasting audio system |
| WO2005006304A1 (en) * | 2003-06-11 | 2005-01-20 | Sony Electronics Inc. | Method and system for recommending connectivity configurations |
| CN1482039A (en) * | 2003-08-13 | 2004-03-17 | 重庆隆鑫工业（集团）有限公司 | Motorcycle having a radio apparatus |
| CN2651893Y (en) * | 2003-11-21 | 2004-10-27 | 黄志军 | Multifunctional vehicle audio player |
| CN200976270Y (en) * | 2006-11-29 | 2007-11-14 | 谢医华 | Universal multifunctional acoustic assembly for motorcycle and electric vehicle |
| CN103559900A (en) * | 2007-03-26 | 2014-02-05 | 踏途音乐公司 | Jukebox with associated video server |
| CN201134256Y (en) * | 2007-08-29 | 2008-10-15 | 万里环球发展有限公司 | Multifunctional audio player |
| US20100318204A1 (en) * | 2009-06-16 | 2010-12-16 | Kyran Daisy | Virtual phonograph |
| CN203520862U (en) * | 2013-10-12 | 2014-04-02 | 深圳市佳音王电子有限公司 | Phonograph with Bluetooth reception function |
| US20160125911A1 (en) * | 2014-11-02 | 2016-05-05 | W. Leo Hoarty | Systems and methods for reducing audio distortion during playback of phonograph records using multiple tonearm geometries |
| CN205050556U (en) * | 2015-09-25 | 2016-02-24 | 熊文国 | National literature gramophone |
| CN205621439U (en) * | 2016-04-14 | 2016-10-05 | 广州市海力士电子科技有限公司 | Multi -functional ancient ways formula gramophone |
| CN206301590U (en) * | 2016-12-29 | 2017-07-04 | 广州市逸科电子科技有限公司 | A kind of in-vehicle player with shock-absorbing function |
| CN206380085U (en) * | 2017-01-23 | 2017-08-04 | 深圳市佳音王科技股份有限公司 | A kind of phonograph with Bluetooth transmission function |
| CN206575584U (en) * | 2017-01-23 | 2017-10-20 | 深圳市佳音王科技股份有限公司 | A kind of combination phonograph with DAB circuits |
| CN207587379U (en) * | 2017-12-26 | 2018-07-06 | 深圳市佳音王科技股份有限公司 | A kind of multifunctional combination phonograph and its device |
| CN207625775U (en) * | 2017-12-26 | 2018-07-17 | 深圳市佳音王科技股份有限公司 | A kind of phonograph radio reception circuit and phonograph |
| CN207625544U (en) * | 2017-12-26 | 2018-07-17 | 深圳市佳音王科技股份有限公司 | A kind of phonograph and its bluetooth receiving circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108882099A (en) * | 2018-06-21 | 2018-11-23 | 广东理丹电子科技股份有限公司 | A kind of multifunctional sound box |
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|---|---|
| CN107886976B (en) | 2024-02-09 |
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