CN1855706B - Music reproduction device for portable device - Google Patents
Music reproduction device for portable device Download PDFInfo
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- CN1855706B CN1855706B CN2005100881607A CN200510088160A CN1855706B CN 1855706 B CN1855706 B CN 1855706B CN 2005100881607 A CN2005100881607 A CN 2005100881607A CN 200510088160 A CN200510088160 A CN 200510088160A CN 1855706 B CN1855706 B CN 1855706B
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Abstract
The invention discloses a music regenerating device to output sound signal from self-portable equipment (12) by loudspeakers (13, 14), which comprises the following parts: machine kind judging unit (21), which judges machine kind of portable equipment (12) according to connector (19) condition signal of cable (17); volume-to-acoustic adjusting unit (22), which outputs volume-to-acoustic adjusting signal of judged portable equipment (12); volume-to-acoustic adjusting amplifier (20), which inputs the adjusted volume-to-acoustic signal.
Description
Technical field
The present invention relates to be used for the music player of portable set; Particularly relate to and to connect the different multiple portable set of output level; No matter connect which kind of portable set, can both realize the music player that is used for portable set of sound reproduction of the high tone quality of big volume.
Background technology
Now, as portable set, among portable music player is being popularized.For easy to carry, in the majority to be miniaturized into pocket-sized person.In addition, the output specification of these portable music players also is various, with in the majority with small-sized boombox, earphone or the headphone person of listening to the music.These portable music players are installed medium, perhaps are taken into and store a plurality of music datas from external equipment, can at random select these data to regenerate.Perhaps, the equipment that radio broadcasting regenerates etc. that receives is also arranged.
In addition, begin recently to appear in the mobile phone also and can or be taken into and store a plurality of music datas through internet-distributed from external equipment.Even in mobile phone, also can likewise regenerate and appreciate these music datas of being stored with above-mentioned portable music player.
When going out, carry under the situation that these portable music players and mobile phone listen to the music; Use above-mentioned small-sized boombox, earphone or headphone to listen; But wait at home under the situation that the place listens to the music, just have to increase volume and come tin such demand with high tone quality.
In order to realize this demand, have and open 2003-101618 communique (patent documentation 1) and spy the spy and open the prior art that proposes in the 2003-79061 communique (patent documentation 2).Open the prior art described in the 2003-101618 communique owing to be to use the technology of mobile phone regeneration music the spy; So amplifier and loud speaker are built in the charger to the battery charge of mobile phone, music data from mobile phone are amplified with the increase volume regenerate.In addition; Open the prior art described in the 2003-79061 communique owing to be to use the technology of portable audio device regeneration music the spy; So can make amplifier embedded in charger; From the music data that the output of the loud speaker that is connected with this charger has been amplified in this charger, regenerate to increase volume.
; The output level of above-mentioned portable music player and mobile phone has nothing in common with each other because of machine; In above-mentioned prior art; Under the situation of listening to the music with external amplifier and loud speaker, must adjust the multiplication factor of amplifier to the machine of portable set, this is pretty troublesome thing.In addition; Portable music player is owing to the performance that will consider to be used to listen to the music; In general in the majority with the situation of carrying out record regenerating at 128kbps or above, but the music data of mobile phone bit rate is low by comparison, even have amplification of volume, the also poor such problem of tonequality.
Summary of the invention
The objective of the invention is to; A kind of music player that is used for portable set is provided; Under music data that amplifies portable music player or mobile phone with external amplifier and situation with external loud speaker output sound equipment; No matter connect which kind of portable set, all need not to be directed against the multiplication factor that the portable set that is connected is adjusted amplifier one by one, in addition; Even the situation of the music data of the low tonequality of the such regeneration of image drift mobile phone also can realize the sound reproduction of the high tone quality of big volume.
The main idea of the invention of the 1st aspect of the present invention is; A kind of music player that is used for portable set is provided; To amplify from the voice signal of portable set input and export by loud speaker; It is characterized in that possessing: have the machine corresponding connector with above-mentioned portable set, input connects from the portable set of the tut signal of above-mentioned portable set uses cable; Differentiate the machine judgement unit of the machine of above-mentioned portable set according to the above-mentioned connector that is connected; Volume/tonequality the adjustment unit of the volume/tonequality adjustment signal of volume/tonequality is adjusted in output according to the machine of the above-mentioned portable set that is determined by above-mentioned machine judgement unit; And according to adjusting from volume, tonequality or the volume of the voice signal of above-mentioned portable set input and the volume of tonequality/tonequality adjustment amplifier from the above-mentioned volume/tonequality adjustment signal of above-mentioned volume/tonequality adjustment unit.
In addition; The main idea of the invention of the 2nd aspect of the present invention is; Provide the 1st aspect the described music player that is used for portable set, it is characterized in that: in above-mentioned connector, except that the voice signal of passing on the tut signal with the contact component; Also possess by change over switch selectively a plurality of machines of ground connection differentiate and use contact component, above-mentioned machine judgement unit is differentiated the machine of above-mentioned portable set with the ground state of contact component according to above-mentioned machine differentiation.
In addition; The main idea of the invention of the 3rd aspect of the present invention is; Provide the 1st aspect the described music player that is used for portable set; It is characterized in that: in above-mentioned connector; Except that the voice signal of passing on the tut signal with the contact component, also possess and connect by above-mentioned portable set that connector with cable one side is connected with earthy contact component selectively and contact component is used in a plurality of machines differentiations of ground connection, above-mentioned machine judgement unit is differentiated the machine of above-mentioned portable set with the ground state of contact component according to above-mentioned machine differentiation.
In addition; The main idea of the invention of the 4th aspect of the present invention is; Provide the 1st aspect the described music player that is used for portable set; It is characterized in that: the voice signal of above-mentioned connector connects with the holding wire that electric capacity is connected with above-mentioned portable set with cable through stopping direct current with contact component; And be connected with electric capacity and above-mentioned volume/tonequality adjustment amplifier through another stopping direct current; The tut signal with contact component when resistance is pulled to high potential, but earth resistance is set to installing/dismounting, above-mentioned machine judgement unit is differentiated the machine of differentiating above-mentioned portable set with the voltage of contact component according to the above-mentioned machine that the installing/dismounting state with above-mentioned earth resistance changes.
In addition; The main idea of the invention of the 5th aspect of the present invention is; Provide the 1st aspect the described music player that is used for portable set; It is characterized in that: the voice signal of above-mentioned connector connects with the holding wire that electric capacity is connected with above-mentioned portable set with cable through stopping direct current with contact component; And be connected with electric capacity and above-mentioned volume/tonequality adjustment amplifier through another stopping direct current; When resistance is pulled to high potential, earth resistance is constituted as through switch ground connection the tut signal with contact component, and above-mentioned machine judgement unit is differentiated the machine of differentiating above-mentioned portable set with the voltage of contact component according to the above-mentioned machine that the on/off state with above-mentioned switch changes.
In addition; The main idea of the invention of the 6th aspect of the present invention is; Provide the 1st aspect the described music player that is used for portable set; It is characterized in that: except that the contact component of passing on the tut signal, also possess: be equipped with machine discriminant information input and used contact component with the above-mentioned machine differentiation of contact component and earthy contact component; One end is pulled to high potential, and the other end is imported the 1st resistance that is connected with contact component with the input of above-mentioned machine judgement unit with above-mentioned machine discriminant information; And be connected above-mentioned portable set and connect above-mentioned machine discriminant information input with the connector of cable one side with the 2nd resistance between contact component and the earthy contact component, above-mentioned machine judgement unit basis is imported the machine of differentiating above-mentioned portable set with the voltage of contact component by the above-mentioned machine discriminant information of above-mentioned the 1st resistance and the generation of above-mentioned the 2nd resistance.
In addition; The main idea of the invention of the 7th aspect of the present invention is; Provide the 1st aspect the described music player that is used for portable set, it is characterized in that: in above-mentioned connector, except that the contact component of passing on the tut signal; Also possess utilize change over switch selectively a plurality of machines of short circuit differentiate and use contact component, above-mentioned machine judgement unit is differentiated the machine of above-mentioned portable set with the short-circuit condition of contact component according to above-mentioned machine differentiation.
In addition; The main idea of the invention of the 8th aspect of the present invention is; Provide the 1st aspect the described music player that is used for portable set; It is characterized in that: possess detection and protrude in the detecting unit of the jut of music player one side that is used for portable set from the joint face of above-mentioned connector, above-mentioned machine judgement unit is differentiated the machine of above-mentioned portable set according to detecting above-mentioned jut.
In addition; The main idea of the invention of the 9th aspect of the present invention is; The music player that is used for portable set described in each of 8 aspects, the 1st aspect to the is provided; It is characterized in that: above-mentioned volume/tonequality adjustment unit possesses volume/tonequality setup unit and volume/tonequality is set memory; According to differentiation result from above-mentioned machine judgement unit; The setting data of volume and tonequality is set memory from above-mentioned volume/tonequality and is set to above-mentioned volume/tonequality setup unit, and above-mentioned volume/tonequality adjustment amplifier is adjusted from volume, tonequality or volume and the tonequality of the voice signal of above-mentioned portable set input according to the setting data of above-mentioned volume that is set and tonequality.
In addition; The main idea of the invention of the 10th aspect of the present invention is; The music player that is used for portable set described in each of 8 aspects, the 1st aspect to the is provided; It is characterized in that: above-mentioned volume/tonequality adjustment amplifier possesses a plurality of gain control units by each voiceband ride gain, adjusts from volume, tonequality or volume and the tonequality of the voice signal of above-mentioned portable set input by each voiceband according to the above-mentioned volume/tonequality adjustment signal from above-mentioned volume/tonequality adjustment unit.
In addition; The main idea of the invention of the 11st aspect of the present invention is; A kind of music player that is used for portable set is provided, will amplifies from the voice signal of portable set input and, it is characterized in that by loud speaker output; Possess: have the machine corresponding connector with above-mentioned portable set, input connects from the portable set of the tut signal of above-mentioned portable set uses cable; Differentiate the machine judgement unit of the machine of above-mentioned portable set according to the above-mentioned connector that is connected; The volume adjustment unit of the volume adjustment signal of volume is adjusted in output according to the machine of the above-mentioned portable set that is determined by above-mentioned machine judgement unit; And according to adjusting from the above-mentioned volume adjustment signal of above-mentioned volume adjustment unit from the volume adjustment amplifier of the volume of the voice signal of above-mentioned portable set input.
In addition; The main idea of the invention of the 12nd aspect of the present invention is; A kind of music player that is used for portable set is provided, will amplifies from the voice signal of portable set input and, it is characterized in that by loud speaker output; Possess: have the machine corresponding connector with above-mentioned portable set, input connects from the portable set of the tut signal of above-mentioned portable set uses cable; Differentiate the machine judgement unit of the machine of above-mentioned portable set according to the above-mentioned connector that is connected; The tonequality adjustment unit of the tonequality adjustment signal of tonequality is adjusted in output according to the machine of the above-mentioned portable set that is determined by above-mentioned machine judgement unit; And according to adjusting from the above-mentioned tonequality adjustment signal of above-mentioned tonequality adjustment unit from the tonequality adjustment amplifier of the tonequality of the voice signal of above-mentioned portable set input.
In addition; The main idea of the invention of the 13rd aspect of the present invention is; The music player that is used for portable set described in each of 8 aspects, the 1st aspect to the and the 11st and 12 aspects is provided; It is characterized in that: above-mentioned machine judgement unit storage makes the machine of above-mentioned portable set and the corresponding reference table of being imported of signal mode, differentiates the machine of above-mentioned portable set according to the signal mode of being imported.
In addition; The main idea of the invention of the 14th aspect of the present invention is; The music player that is used for portable set described in each of 8 aspects, the 1st aspect to the and the 11st and 12 aspects is provided; It is characterized in that: possess the power supply of accepting source power supply and generate the power circuit of control power supply, above-mentioned power circuit supply with as the control power supply inner in, also supply with above-mentioned portable set with power supply as the charging of the battery of above-mentioned portable set.
In addition; The main idea of the invention of the 15th aspect of the present invention is; A kind of music player that is used for portable set is provided, will amplifies from the voice signal of portable set input and, it is characterized in that by loud speaker output; Possess: connect portable set and connect the connector with cable, input is from the connector portion of the voice signal of above-mentioned portable set; Be connected the machine judgement unit that the signal of being imported when connecting with the connector of cable is differentiated the machine of above-mentioned portable set with above-mentioned portable set according to above-mentioned connector portion; Volume/tonequality the adjustment unit of the adjustment signal of volume/tonequality is adjusted in output according to the machine of the above-mentioned portable set that is determined by above-mentioned machine judgement unit; And according to adjusting from the adjustment signal of above-mentioned volume/tonequality adjustment unit from volume, tonequality or the volume of the voice signal of above-mentioned portable set input and volume/tonequality adjustment amplifier of tonequality.
Description of drawings
Fig. 1 is the structure chart of the music player that is used for portable set in the 1st execution mode of the present invention.
Fig. 2 is that the portable set in expression the 1st execution mode of the present invention connects the figure with the connector portion details of cable.
Fig. 3 is the detailed structure view of the volume/tonequality adjustment unit in explanation the 1st～the 6th execution mode of the present invention.
Fig. 4 is the figure of the tonequality adjustment in explanation the 1st～the 6th execution mode of the present invention.
Fig. 5 is through the figure of an instance of the adjusted characteristic of tonequality in expression the 1st～the 6th execution mode of the present invention.
Fig. 6 is the structure chart of the music player that is used for portable set in the 2nd execution mode of the present invention.
Fig. 7 is that the portable set in expression the 2nd execution mode of the present invention connects the figure with the connector portion details of cable.
Fig. 8 is the structure chart of the music player that is used for portable set in the 3rd execution mode of the present invention.
Fig. 9 is that the portable set in expression the 3rd execution mode of the present invention connects the figure with the connector portion details of cable.
Figure 10 is the structure chart of the music player that is used for portable set in the 4th execution mode of the present invention.
Figure 11 is that the portable set in expression the 4th execution mode of the present invention connects the figure with the connector portion details of cable.
Figure 12 is the structure chart of the music player that is used for portable set in the 5th execution mode of the present invention.
Figure 13 is that the portable set in expression the 5th execution mode of the present invention connects the figure with the connector portion details of cable.
Figure 14 is that the portable set in explanation the 6th execution mode of the present invention connects the figure with cable.
Figure 15 is that the portable set in explanation the 6th execution mode of the present invention connects the figure with cable.
Symbol description
1-10 connects pin (contact component)
11,30,40,50,57 combination audio (seat formula audio frequency apparatus)
12 portable sets
13,14 loud speakers
15 loud speakers connect uses cable
17, cable is used in the connection of 31,41,51,58,80,85 portable sets
16,18,32,42,52,60,81,86,26,27 connectors
19,33,43,53,82,87 connectors
20 volumes/tonequality adjustment amplifier
21,34,44,56,61 machine judgement units
22 volumes/tonequality adjustment unit
23 power circuits
24 plugs
25 compact powers connect uses cable
28 amplifiers
54,55 switches
62 volumes/tonequality setup unit
63 volumes/tonequality is set memory
64 amplifier gain control units
65 signal adder units
66 low pass filters
The 67-69 band pass filter
70 high pass filters
The 71-75 gain control unit
83,88 signals are with connecting pin configuration part (signal is used the contact component configuration part)
84 juts
100, the numbering of 110,120,130 connection pins (contact component)
101,111,121,131 respectively connect the corresponding signal content of pin (contact component)
102,122 change over switches
103,123 changeover contacts
Embodiment
The best mode of embodiment of the present invention then, is described with reference to accompanying drawing particularly.
(the 1st execution mode)
Fig. 1 is the figure of structure of the music player that is used for portable set of expression the 1st execution mode of the present invention.In Fig. 1, the 11st, be referred to as the audio frequency apparatus (below be called combination audio) of the seat formula of combination audio etc.The 12nd, portable sets such as portable music player or mobile phone.13, the 14th, as the voice output of combination audio 11 and connected loud speaker, the 13rd, as L (left side) with, the 14th, as R (right side) with and the boombox of configuration.
The 15th, connection combination audio 11 is connected with the loud speaker of loud speaker 13,14 uses cable.The 16th, loud speaker is connected the connector that is connected usefulness with cable 15 with combination audio 11.The 17th, connection portable set 12 is connected with the portable set of combination audio 11 uses cable.The two ends that connect with cable 17 at portable set are equipped with connector 18,19.The 18th, the connector that is connected with portable set 12, the 19th, the connector that is connected with combination audio.In addition, portable set 12 is connected with cable 25 connections with the compact power that has been equipped with connector 26,27 at its two ends with combination audio 11.
Combination audio 11 possesses volume/tonequality adjustment amplifier 20, combination audio with amplifier 28, machine judgement unit 21, volume/tonequality adjustment unit 22, power circuit 23.Have, " volume/tonequality " in 20 volume/tonequality adjustment amplifier means it only is volume, only is tonequality, and volume and tonequality both sides again.That is, what volume/tonequality adjustment amplifier was represented is the resonance-amplifier of only regulating volume, only regulates the resonance-amplifier of tonequality, regulates a certain in the resonance-amplifier of volume and tonequality simultaneously.The implication that following volume/tonequality adjustment unit 22, volume/tonequality setup unit 62, volume/tonequality are set " volume/tonequality " in the memory 63 also is same.In the present invention, the record of " volume/tonequality " means it only is volume, only is tonequality, and volume and tonequality both sides.
In addition, in combination audio 11, possess power circuit 23, the socket that plug 24 is inserted source power supplies is to obtain electric power.Power circuit 23 connects with cable 25, to the battery charge of portable set 12 through compact power in to combination audio 11 supply powers own.
Fig. 2 representes the details of portable set connection with the signal configures of the connector 19 of cable 17.The numbering (1～10) of the connection pin (contact component) of 100 expression connectors.101 expressions connect the corresponding signal content of pin with each.
Connect configure sound signal L on the pin one, on the connection pin two, disposing LGND, connecting configure sound signal R on the pin 3, on connection pin 4, disposing RGND.Voice signal L and LGND are L (left side) the side voice signal wirings of stereophonic signal.In addition, voice signal R and RGND are R (right side) the side voice signal wirings of stereophonic signal.The voice signal L that connects pin one is connected to volume/tonequality adjustment amplifier 20 with the voice signal R that is connected pin 3.The LGND that connects pin two and the RGND that is connected pin 4 be ground connection (being connected with the ground wire G of signal) then.
In addition, on connector 19, possesses change over switch 102.The connection pin 5～10 of connector 19 (machine is differentiated with connecting pin (machine differentiate use contact component)) is connected with the changeover contact 103 of change over switch 102 respectively, and is connected available manual switch between the pin 4 (RGND).Therefore, according to the state that is provided with of change over switch 102, connect some in the pin 5～10 through connecting pin 4 ground connection.Expression is taken into machine judgement unit 21 from the signal of the ground state of this connection pin 5～10.
Thus, according to change over switch 102 being arranged at which position that connects pin 5～10, can differentiating it and with what kind of portable set be connected with cable 17 connections.And in this execution mode, to the machine of portable set 12, the conversion portable set connects with the state of the change over switch 102 of cable 17 and uses.What therefore, machine judgement unit 21 can determine connection is the portable set of which machine.
Have, change over switch 102 can be differentiated 6 machines under the situation of Fig. 2 again, if change over switch 102 is decided to be digital signal switch (can be arranged at 1,0 respectively with connecting pin 5～10), then can obtain 6 information, can differentiate 64 machines.
In addition, in Fig. 2, use change over switch 102 will connect pin 5～10 selectively and be made as ground state, but, also can directly connect up at connector part without change over switch.At this moment, only need to make the private cable that the machine judegment part divides, these cables corresponding with machine carry out machine and differentiate through the position of conversion ground connection.If do like this, can make cable at an easy rate with regard to need not change over switch.
Fig. 3 is the figure of the more detailed structure of the expression part of carrying out the adjustment of volume/tonequality.Volume/tonequality adjustment amplifier 20 is made up of amplifier gain control unit 64, signal adder unit 65, low pass filter (below be called LPF) 66, band pass filter (below be called BPF (1)～(n)) 67～69, high pass filter (below be called HPF) 70, gain control unit (0)～(n+1) 71～75.In addition, volume/tonequality adjustment unit 22 is made up of volume/tonequality setup unit 62, volume/tonequality setting memory 63.In addition, represent identical content with the part of Fig. 1 same-sign.
In this execution mode, the state that is provided with of the change over switch 102 of the connector 19 that connects to portable set is taken into machine judgement unit 21, and machine judgement unit 21 is differentiated machine according to the state that is provided with of the change over switch of importing from connector 19 102.
At machine judgement unit 21, preparing has the reference table that can confirm machine with the signal mode of importing from connector 19 accordingly, according to determined machine, calls the corresponding set point that volume/tonequality is set memory 63.The set point of being called is set in the register of volume/tonequality setup unit 62.Volume/tonequality is set memory 63 becomes the such set point of high tone quality with the storage in advance accordingly of each machine.This set point can be adjusted to user's hobby.Have again; As an example of above-mentioned reference table, can enumerate to be transformed to and be stored in the map table of address of register of memory address and volume/tonequality setup unit 62 that volume/tonequality is set the set point of the correspondence in the memory 63 from signal mode by connector 19 input.
Amplifier gain control unit 64 shown in Figure 3, signal adder unit 65, LPF66, BPF (1)～(n) 67～69, HPF70, gain control unit (0)～(n+1) 71～75 constitute the equalizer that can adjust gain by each frequency band according to user's self hobby.
Fig. 4 is that expression is frequency with the transverse axis, is as the figure of an instance of the tonequality adjustment that responds with the longitudinal axis, is adjusted by gain control unit (0) 71, gain control unit (1) 72, gain control unit (2) 73.Fig. 4 representes according to many situations that characteristic curve is adjusted.That is, gain control unit (0) 71, gain control unit (1) 72, gain control unit (2) 73 be to the machine of portable set, makes its gain-variable obtaining high tone quality, and with 65 additions of signal adder unit.Have, whole volume is regulated with amplifier gain control unit 64 or amplifier 28 again.
Fig. 5 representes for mobile phone and portable music player, as Fig. 4, carries out an instance of frequency-response characteristic of adjusted result.Like this, according to this execution mode, owing to can adjust gain by each frequency band,, all can appreciate giving great volume and the music of high tone quality so no matter connect which kind of portable set according to the machine of the portable set that is connected 12.Have, Fig. 5 is merely an instance, and is self-evident again, can increase other characteristic according to user's hobby.
Have, machine judgement unit 21, volume/tonequality setup unit 62, volume/tonequality are set the control of the various gain control units of memory 63, volume/tonequality adjustment amplifier 20 and are carried out with not shown microcomputer again.
(the 2nd execution mode)
Fig. 6 is the figure of structure that has represented the music player that is used for portable set of the 2nd execution mode of the present invention.For the 1st execution mode, in this execution mode, the method that the machine of portable set is differentiated is different.
In Fig. 6, the 31st, portable set connects uses cable, is equipped with connector 32 in portable set 12 1 sides, is equipped with connector 33 in combination audio 30 1 sides.In addition, represent identical content with the part of Fig. 1 same-sign.And it is to use the level that connects the dc offset voltage the connector 33 of the L signal imported with cable 31, R signal from portable set to differentiate that the machine of the portable set in this execution mode is differentiated.
Fig. 7 representes the details of portable set connection with the signal configures of the connector 33 of cable 31.The numbering (1～4) of the connection pin of 110 expression connectors 33 (signal connects the contact component of usefulness).111 expressions respectively connect the corresponding signal content of pin with connector 33.Configure sound signal L on the connection pin one of connector 33 disposes LGND on the connection pin two, connecting configure sound signal R on the pin 3, on connection pin 4, disposes RGND.Voice signal L and LGND are L (left side) the side voice signal wirings of stereophonic signal.In addition, voice signal R and RGND are R (right side) the side voice signal wirings of stereophonic signal.
Voice signal L from portable set 12 connects with the pin one that is connected of connector 33 with electric capacity C1 through stopping direct current, is connected to volume/tonequality adjustment amplifier 20 through stopping direct current with electric capacity C3.In addition, connect with the pin 3 that is connected of connector 33 with electric capacity C2 through stopping direct current, be connected to volume/tonequality through stopping direct current with electric capacity C4 and adjust amplifier 20 from the voice signal R of portable set 12.In addition, the connection pin one of connector 33 be connected pin 3 and be connected with machine judgement unit 34.
And, an end of resistance R 1 connector 33 1 sides be connected pin one and connect, the other end connector 33 1 sides be connected pin 4 connections.In addition, an end of resistance R 2 connector 33 1 sides be connected pin 3 and connect, the other end connector 33 1 sides be connected pin 4 connections.In addition, an end of resistance R 3 connector 30 1 sides be connected pin one and connect (below, this tie point is called TP1), the other end is pulled to power Vcc.In addition, an end of resistance R 4 connector 30 1 sides be connected pin 3 and connect (below, this tie point is called TP2), the other end is pulled to power Vcc.Have again, on the current potential that draws be not limited to power Vcc, the high potential portion that is pulled to regulation also can.
Therefore, at TP1, TP2 place, with the voltage ratio separately of resistance R 1 and R3, R2 and R4 make direct voltage overlap voice signal R, L is last.In addition; The part of TP1, TP2 is owing to making portable set one side and combination audio one side stopping direct current with stopping direct current with electric capacity C1, C2, C3, C4, so can not have influence on portable set 12 and volume/tonequality adjustment amplifier 20 with the direct voltage of resistance R1～R4 biasing.
When such annexation is arranged, still do not connect each resistance R 1, R2 through connecting, for example, then can make the voltage of TP1 and TP2 become Vcc, Vcc/2 like supposition R1=R2=R3=R4.The voltage of this TP1, TP2 is imported in the machine judgement unit 34, does not still connect each resistance R 1, R2 through connecting, and what can determine connection is that what kind of portable set connects with cable 17.And, in this execution mode, because to the machine of portable set, change the connection status of resistance R 1, R2 and use, thereby machine judgement unit 34 can determine connection is the portable set of which machine.Have again, under the equal situation of the value of resistance R 1～R4, can differentiate 4 machines, but, can differentiate more machine through changing resistance value.
This execution mode is also the same with the 1st execution mode; At machine judgement unit 34; Preparation has the reference table that can confirm machine with the signal mode of being imported accordingly, according to determined machine, can adjust, set volume/tonequality adjustment unit 22, volume/tonequality adjustment amplifier 20.
Therefore, in this execution mode, because can be, give great volume and the music of high tone quality so can appreciate according to the machine of the portable set that is connected 12 by each frequency band adjustment gain.
(the 3rd execution mode)
Fig. 8 is the figure of structure of the music player that is used for portable set of expression the 3rd execution mode of the present invention.For the 1st execution mode and the 2nd execution mode, in this execution mode, the method that the machine of portable set is differentiated is different.
In Fig. 8, the 41st, portable set connects uses cable, is equipped with connector 42 in portable set 12 1 sides, is equipped with connector 43 in combination audio 40 1 sides.And it is to differentiate this short-circuit condition through the short circuit of 2 connection pins (contact component) arbitrarily that makes connector 43 to carry out that the machine of the portable set in this execution mode is differentiated.In addition, represent identical content with the part of Fig. 1 same-sign.
Fig. 9 representes the details of portable set connection with the signal configures of the connector 43 of cable 41.The numbering (1～10) of the connection pin (contact component) of 120 expression connectors 43.121 expressions respectively connect the corresponding signal content of pin with connector 43.Configure sound signal L on the connection pin one of connector 43 disposes LGND on the connection pin two, connecting configure sound signal R on the pin 3, on connection pin 4, disposes RGND.Voice signal L and LGND are L (left side) the side voice signal wirings of stereophonic signal.In addition, voice signal R and RGND are R (right side) the side voice signal wirings of stereophonic signal.
Voice signal L from portable set 12 connects with the pin one that is connected of connector 43, and is connected to volume/tonequality adjustment amplifier 20.In addition, connect with the pin 3 that is connected of connector 43, and be connected to volume/tonequality adjustment amplifier 20 from the voice signal R of portable set 12.The LGND and the RGND ground connection that is connected pin 4 (being connected) that connect pin two with the ground wire G of signal.
In addition, on connector 43, be equipped with change over switch 122.The connection pin 5～9 of connector 43 (machine is differentiated with connecting pin (machine differentiate use contact component)) is connected with the changeover contact 123 of change over switch 122 respectively, and available manual switch is feasible and be connected between the pin 10 by short circuit.Therefore, according to the state that is provided with of change over switch 122, connect in the pin 5～9 some be connected pin 10 short circuits.Represent that this connection pin 5～9 is taken into machine judgement unit 44 with the signal that is connected the short-circuit condition between the pin 10.
Thus, according to change over switch 122 being arranged at which position that connects pin 5～9, can differentiating it and with what kind of portable set be connected with cable 41 connections.And in this execution mode, to the machine of portable set 12, the conversion portable set connects with the state of the change over switch 122 of cable 41 and uses.What therefore, machine judgement unit 44 can determine connection is the portable set of which machine.Having, is under the situation of Fig. 9 at change over switch 122 again, can differentiate 5 machines.
This execution mode is also the same with the 1st execution mode, the 2nd execution mode; At machine judgement unit 44; Preparation has the reference table that can confirm machine with the signal mode of being imported accordingly; According to determined machine, adjustment, setting volume/tonequality adjustment unit 22, volume/tonequality adjustment amplifier 20.
Therefore, in this execution mode, because can be, give great volume and the music of high tone quality so also can appreciate according to the machine of the portable set that is connected 12 by each frequency band adjustment gain.
(the 4th execution mode)
Figure 10 is the figure of structure that has represented the music player that is used for portable set of the 4th execution mode of the present invention.In addition, Figure 11 representes the details of portable set connection with the signal configures of the connector 53 of cable 51.The 51st, portable set connects uses cable, is equipped with connector 52 in portable set 12 1 sides, is equipped with connector 53 in combination audio 50 1 sides.On connector 53, the same with the 2nd execution mode, be equipped with resistance R 1, R2, stopping direct current with electric capacity C1, C2, in addition, also be equipped with the switch 54,55 that does not have in the 2nd execution mode.In addition, represent identical content with the part of Fig. 1 same-sign.
The method that the machine of the portable set of this execution mode is differentiated is identical with the 2nd execution mode, but the method for attachment of resistance R 1, R2 is different.That is, in the 2nd execution mode, still dismantle resistance R 1, R2, can carry out the conversion of the connection status of resistance R 1, R2, but in this execution mode, but carry out through switch 54,55 through installing.Remove this in addition, because work is also the same with the 2nd execution mode, its detailed explanation of Therefore, omited.
This execution mode is compared with the 2nd execution mode, need not the installing/dismounting of resistance R 1, R2, and for the machine change of portable set 12, it is easy that its processing becomes.
In this execution mode, because can be, give great volume and the music of high tone quality so also can appreciate according to the machine of the portable set that is connected 12 by each frequency band adjustment gain.
(the 5th execution mode)
Figure 12 is the figure of structure that has represented the music player that is used for portable set of the 5th execution mode of the present invention.This execution mode and the 2nd, the 4th execution mode are similar; But be provided with machine differentiate the special use of usefulness connect pin (contact component use in machine discriminant information input) DET also herein overlapping direct current aspect, change the aspect of the value of resistance R 5 accordingly with the machine of portable set 12, not to be connected stopping direct current inequality with the aspect of electric capacity C1～C4 and switch 54,55.
In Figure 12, the 58th, portable set connects uses cable, is equipped with connector 59 in portable set 12 1 sides, is equipped with connector 60 in combination audio 57 1 sides.On combination audio 57, be equipped with machine judgement unit 61 and resistance R 6.In addition, represent identical content with the part of Fig. 1 same-sign.And, in this execution mode, differentiate the machine of portable set according to the level that connects the direct voltage of importing with the connection pin 5 the connector 60 of cable 58 (contact component DET is used in machine discriminant information input) from portable set.
Figure 13 representes the details of portable set connection with the signal configures of the connector 60 of cable 58.The numbering (1～6) of the connection pin (contact component) of 130 expression connectors 60.131 expressions respectively connect the corresponding signal content of pin with connector 60.Configure sound signal L on the connection pin one of connector 60 disposes LGND on the connection pin two, connecting configure sound signal R on the pin 3, on connection pin 4, disposes RGND.Voice signal L and LGND are L (left side) the side voice signal wirings of stereophonic signal.In addition, voice signal R and RGND are R (right side) the side voice signal wirings of stereophonic signal.
Voice signal L from portable set 12 connects with the pin one that is connected of connector 60, and is connected to volume/tonequality adjustment amplifier 20.In addition, connect with the pin 3 that is connected of connector 60, and be connected to volume/tonequality adjustment amplifier 20 from the voice signal R of portable set 12.
And, an end of resistance R 5 connector 60 1 sides be connected pin 5 (DET) and connect, the other end connector 60 1 sides be connected pin 6 (earthy contact component) connection.In addition, an end of resistance R 6 is pulled to power Vcc, and the other end is connected with machine judgement unit 61 with the pin 5 (DET) that is connected that the dedicated terminals machine is differentiated the special use setting of usefulness.Have again, on the current potential that draws be not limited to power Vcc, the high potential portion that is pulled to regulation also can.Therefore, if change the resistance ratio of 5 pairs of resistance R 6 of resistance R, then, direct voltage is applied on the connection pin 5 (DET) by the voltage ratio of resistance R 5 with R6.
The voltage of this connection pin 5 (DET) is imported in the machine judgement unit 61, and what can determine connection according to magnitude of voltage is that what kind of portable set connects with cable 58.And; In this execution mode, because to the machine of portable set 12, change voltage ratio (the fixing resistance value of R6 of resistance R 5, R6; Change the resistance value of R5) and use, thus machine judgement unit 61 can determine connection is the portable set of which machine.Be set at a plurality ofly through voltage ratio, can differentiate multiple machine resistance R 5, R6.
This execution mode is also the same with the 1st execution mode; At machine judgement unit 61; Preparation has the reference table that can confirm machine with the signal mode of being imported accordingly, according to determined machine, and adjustment, setting volume/tonequality adjustment unit 22, volume/tonequality adjustment amplifier 20.
Like this, according to this execution mode, have and on holding wire, do not insert the advantage that electric capacity and resistance can be dealt with problems.In addition, in this execution mode, because can be, give great volume and the music of high tone quality so can appreciate according to the machine of the portable set that is connected 12 by each frequency band adjustment gain.
(the 6th execution mode)
Figure 14, the 15th has represented the figure of structure of the music player that is used for portable set of the 6th execution mode of the present invention.In above-mentioned the 1st～the 4th execution mode; The portable set that conversion is connected with combination audio connects the signal condition with cable; Differentiate the machine of the portable set 12 that is connected, but in this execution mode, but be directed against the machine of portable set 12; That prepares Figure 14, that kind shown in Figure 15 has projection and with the part of projection, differentiates machine through detecting having or not of this projection on connector.
In Figure 14,12 expression portable sets, 80 expression portable sets connect uses cable.Portable set connection shown in Figure 14 is equipped with connector 81 with cable 80 in portable set 12 1 sides, is equipped with connector 82 in combination audio one side, on connector 82, is equipped with signal with connecting pin configuration part 83 and jut 84.
In addition, in Figure 15,12 expression portable sets, 85 expression portable sets connect uses cable.Portable set connection shown in Figure 15 is equipped with connector 86 with cable 85 in portable set 12 1 sides, is equipped with connector 87 in combination audio one side, on connector 87, is equipped with signal with connecting pin configuration part 88.
Relatively can know behind Figure 14 and Figure 15, connect on the connector 87 with cable 85, not be equivalent to the part of jut 84 at portable set.Portable set connects to be connected with portable set with cable 85 with cable 80 and is directed against the machine of portable set 12 and is used.
And, in combination audio one side corresponding, be provided with the switch that when having inserted connector 82, detects jut 84 with connector 82,87.
For example, be under the situation of mobile phone at portable set 12, use portable set to connect with cable 80, be under the situation of portable music player at portable set 12, use portable set to connect with cable 85.Like this, can be according to the machine of portable set, the change portable set connects having or not with the jut of cable.Therefore, when for example on combination audio, inserting connector 82, use with jut 84 corresponding switch and detect this jut 84, the machine judgement unit that is provided on the combination audio can judge that the portable set 12 that is connected is mobile phones.
Like this, the same with above-mentioned the 1st～the 5th execution mode in this execution mode, volume/tonequality adjustment unit 22, volume/tonequality adjustment amplifier 20 adjusted, set to the machine of the portable set 12 that can confirm to be connected can according to the machine of having confirmed.
Therefore, in this execution mode, because can be, give great volume and the music of high tone quality so also can appreciate according to the machine of the portable set that is connected 12 by each frequency band adjustment gain.
More than, with the specifically clear the present invention of the 1st～the 6th execution mode, volume/tonequality adjustment amplifier 20 that the amplifier 28 that is equipped with as the amplification that is used for combination audio can be equipped with using as the amplification of portable set 12 is shared.In addition, represented that portable set connects the example of the connector of 4 pins with cable, 6 pins, 10 pins etc., but be not limited to this.In addition, loud speaker 13,14 also can be built in the combination audio.In addition; In above-mentioned the 1st～the 6th execution mode; Enumerated and used compact power to connect example, but connector 26 can be used as and portable set can be set and to the charging pedestal of its charging, in addition with cable 25; Also can in combination audio, be equipped with and portable set can be set and, connect with cable 25 to replace compact power to the charging pedestal of its charging.In addition, portable set connects and also can be connected the cable that is integrally formed with cable 25 with compact power with cable 17,31,41,51,58,80,85.In addition, in above-mentioned the 1st～the 6th execution mode, enumerated the portable set 12 that music playback uses and be example, if but renewable image of portable set and sound both sides then also can combination audio be implemented as display device.
In addition, self-evident, the invention is not restricted to above-mentioned execution mode, can in the scope of main idea of the present invention, implement after changing.
The effect of invention
Based on the present invention; Under music data that amplifies portable music player or mobile phone with external amplifier and situation with external loud speaker output sound equipment; No matter connect which kind of portable set, all need not to be directed against the multiplication factor that the portable set that is connected is adjusted amplifier one by one, in addition; Even the situation of the music data of the low tonequality of the such regeneration of image drift mobile phone also can realize the sound reproduction of the high tone quality of big volume.
Utilizability on the industry
In the present invention, image and sound both sides just can be not limited to audio frequency apparatus if portable set can be regenerated, and also can be widely used for display device.
Claims (15)
1. a music player that is used for portable set will amplify from the voice signal of portable set input and exported by loud speaker, it is characterized in that possessing:
Portable set connects use cable, has the machine corresponding connector with above-mentioned portable set, imports the tut signal from above-mentioned portable set;
The machine judgement unit is differentiated the machine of above-mentioned portable set according to the above-mentioned connector that is connected;
Volume/tonequality adjustment unit, output are adjusted the volume/tonequality adjustment signal of volume/tonequality according to the machine of the above-mentioned portable set that is determined by above-mentioned machine judgement unit; And,
Volume/tonequality adjustment amplifier according to the above-mentioned volume/tonequality adjustment signal from above-mentioned volume/tonequality adjustment unit, is adjusted from volume, tonequality or volume and the tonequality of the voice signal of above-mentioned portable set input,
In above-mentioned connector, except that the voice signal of passing on the tut signal with the contact component, also possess by change over switch selectively a plurality of machines of ground connection differentiate and use contact component,
The voice signal of above-mentioned connector connects with the holding wire that electric capacity is connected with above-mentioned portable set with cable through stopping direct current with contact component, and is connected with above-mentioned volume/tonequality adjustment amplifier with electric capacity through another stopping direct current,
The tut signal with contact component when resistance is pulled to high potential, but earth resistance is set to installing/dismounting,
Above-mentioned machine judgement unit is differentiated the voltage with contact component according to the above-mentioned machine that the installing/dismounting state with above-mentioned earth resistance changes, and differentiates the machine of above-mentioned portable set.
2. a music player that is used for portable set will amplify from the voice signal of portable set input and exported by loud speaker, it is characterized in that possessing:
Portable set connects use cable, has the machine corresponding connector with above-mentioned portable set, imports the tut signal from above-mentioned portable set;
The machine judgement unit is differentiated the machine of above-mentioned portable set according to the above-mentioned connector that is connected;
Volume/tonequality adjustment unit, output are adjusted the volume/tonequality adjustment signal of volume/tonequality according to the machine of the above-mentioned portable set that is determined by above-mentioned machine judgement unit; And,
Volume/tonequality adjustment amplifier according to the above-mentioned volume/tonequality adjustment signal from above-mentioned volume/tonequality adjustment unit, is adjusted from volume, tonequality or volume and the tonequality of the voice signal of above-mentioned portable set input,
In above-mentioned connector, except that the voice signal of passing on the tut signal with the contact component, also possess by change over switch selectively a plurality of machines of ground connection differentiate and use contact component,
The voice signal of above-mentioned connector connects with the holding wire that electric capacity is connected with above-mentioned portable set with cable through stopping direct current with contact component, and is connected with above-mentioned volume/tonequality adjustment amplifier with electric capacity through another stopping direct current,
When resistance is pulled to high potential, earth resistance is constituted as through switch ground connection the tut signal with contact component,
Above-mentioned machine judgement unit is differentiated the machine of differentiating above-mentioned portable set with the voltage of contact component according to the above-mentioned machine that the on/off state with above-mentioned switch changes.
3. a music player that is used for portable set will amplify from the voice signal of portable set input and exported by loud speaker, it is characterized in that possessing:
Portable set connects use cable, has the machine corresponding connector with above-mentioned portable set, imports the tut signal from above-mentioned portable set;
The machine judgement unit is differentiated the machine of above-mentioned portable set according to the above-mentioned connector that is connected;
Volume/tonequality adjustment unit, output are adjusted the volume/tonequality adjustment signal of volume/tonequality according to the machine of the above-mentioned portable set that is determined by above-mentioned machine judgement unit; And,
Volume/tonequality adjustment amplifier according to the above-mentioned volume/tonequality adjustment signal from above-mentioned volume/tonequality adjustment unit, is adjusted from volume, tonequality or volume and the tonequality of the voice signal of above-mentioned portable set input,
Except that the contact component of passing on the tut signal, also possess:
Contact component is used in above-mentioned machine differentiation, has been equipped with machine discriminant information input with contact component and earthy contact component;
The 1st resistance, an end is pulled to high potential, and the other end is connected with contact component with above-mentioned machine discriminant information input with the input of above-mentioned machine judgement unit; And
The 2nd resistance is connected above-mentioned portable set connection and imports with between contact component and the earthy contact component with the above-mentioned machine discriminant information of the connector of cable one side,
Above-mentioned machine judgement unit is differentiated the machine of above-mentioned portable set according to the voltage of the above-mentioned machine discriminant information input that is generated by above-mentioned the 1st resistance and above-mentioned the 2nd resistance with contact component.
4. a music player that is used for portable set will amplify from the voice signal of portable set input and exported by loud speaker, it is characterized in that possessing:
Portable set connects use cable, has the machine corresponding connector with above-mentioned portable set, imports the tut signal from above-mentioned portable set;
The machine judgement unit is differentiated the machine of above-mentioned portable set according to the above-mentioned connector that is connected;
Volume/tonequality adjustment unit, output are adjusted the volume/tonequality adjustment signal of volume/tonequality according to the machine of the above-mentioned portable set that is determined by above-mentioned machine judgement unit; And,
Volume/tonequality adjustment amplifier according to the above-mentioned volume/tonequality adjustment signal from above-mentioned volume/tonequality adjustment unit, is adjusted from volume, tonequality or volume and the tonequality of the voice signal of above-mentioned portable set input,
In above-mentioned connector, except that the contact component of passing on the tut signal, also possess utilize change over switch selectively a plurality of machines of short circuit differentiate and use contact component,
Above-mentioned machine judgement unit is differentiated the machine of differentiating above-mentioned portable set with the short-circuit condition of contact component according to above-mentioned machine.
5. the music player that is used for portable set described in each of claim 1 to claim 4 is characterized in that,
Above-mentioned volume/tonequality adjustment unit possesses volume/tonequality setup unit and volume/tonequality is set memory; According to differentiation result from above-mentioned machine judgement unit; The setting data of volume and tonequality is set memory from above-mentioned volume/tonequality and is set to above-mentioned volume/tonequality setup unit
Above-mentioned volume/tonequality adjustment amplifier is according to the above-mentioned volume that has been set and the setting data of tonequality, adjusts volume, tonequality or volume and the tonequality of the voice signal of having imported from above-mentioned portable set.
6. the music player that is used for portable set described in each of claim 1 to claim 4 is characterized in that,
Above-mentioned volume/tonequality adjustment amplifier possesses a plurality of gain control units by each voiceband ride gain,
According to volume, tonequality or volume and the tonequality of adjusting the voice signal of having imported from above-mentioned portable set from the above-mentioned volume of above-mentioned volume/tonequality adjustment unit/tonequality adjustment signal by each voiceband.
7. the music player that is used for portable set described in each of claim 1 to claim 4 is characterized in that,
Above-mentioned machine judgement unit storage makes the machine of above-mentioned portable set and the corresponding reference table of being imported of signal mode, differentiates the machine of above-mentioned portable set according to the signal mode of being imported.
8. the music player that is used for portable set described in each of claim 1 to claim 4 is characterized in that,
Possess the power supply of accepting source power supply and generate control power supply power circuit,
Above-mentioned power circuit supply with as the control power supply inner in, also supply with above-mentioned portable set with power supply as the charging of the battery of above-mentioned portable set.
9. a music player that is used for portable set will amplify from the voice signal of portable set input and exported by loud speaker, it is characterized in that possessing:
Portable set connects use cable, has the machine corresponding connector with above-mentioned portable set, imports the tut signal from above-mentioned portable set;
The machine judgement unit is differentiated the machine of above-mentioned portable set according to the above-mentioned connector that is connected;
Volume adjustment unit, output are adjusted the volume adjustment signal of volume according to the machine of the above-mentioned portable set that is determined by above-mentioned machine judgement unit; And
Volume adjustment amplifier is adjusted from the volume of the voice signal of above-mentioned portable set input according to the above-mentioned volume adjustment signal from above-mentioned volume adjustment unit,
In above-mentioned connector, except that the voice signal of passing on the tut signal with the contact component, also possess by change over switch selectively a plurality of machines of ground connection differentiate and use contact component,
The voice signal of above-mentioned connector connects with the holding wire that electric capacity is connected with above-mentioned portable set with cable through stopping direct current with contact component, and is connected with above-mentioned volume/tonequality adjustment amplifier with electric capacity through another stopping direct current,
The tut signal with contact component when resistance is pulled to high potential, but earth resistance is set to installing/dismounting,
Above-mentioned machine judgement unit is differentiated the voltage with contact component according to the above-mentioned machine that the installing/dismounting state with above-mentioned earth resistance changes, and differentiates the machine of above-mentioned portable set.
10. the music player that is used for portable set as claimed in claim 9 is characterized in that,
Above-mentioned machine judgement unit storage makes the machine of above-mentioned portable set and the corresponding reference table of being imported of signal mode, differentiates the machine of above-mentioned portable set according to the signal mode of being imported.
11. the music player that is used for portable set as claimed in claim 9 is characterized in that,
Possess the power supply of accepting source power supply and generate control power supply power circuit,
Above-mentioned power circuit supply with as the control power supply inner in, also supply with above-mentioned portable set with power supply as the charging of the battery of above-mentioned portable set.
12. a music player that is used for portable set will amplify from the voice signal of portable set input and exported by loud speaker, it is characterized in that possessing:
Portable set connects use cable, has the machine corresponding connector with above-mentioned portable set, imports the tut signal from above-mentioned portable set;
The machine judgement unit is differentiated the machine of above-mentioned portable set according to the above-mentioned connector that is connected;
Tonequality adjustment unit, output are adjusted the tonequality adjustment signal of tonequality according to the machine of the above-mentioned portable set that is determined by above-mentioned machine judgement unit; And
Tonequality adjustment amplifier is adjusted from the tonequality of the voice signal of above-mentioned portable set input according to the above-mentioned tonequality adjustment signal from above-mentioned tonequality adjustment unit,
In above-mentioned connector, except that the voice signal of passing on the tut signal with the contact component, also possess by change over switch selectively a plurality of machines of ground connection differentiate and use contact component,
The voice signal of above-mentioned connector connects with the holding wire that electric capacity is connected with above-mentioned portable set with cable through stopping direct current with contact component, and is connected with above-mentioned volume/tonequality adjustment amplifier with electric capacity through another stopping direct current,
The tut signal with contact component when resistance is pulled to high potential, but earth resistance is set to installing/dismounting,
Above-mentioned machine judgement unit is differentiated the voltage with contact component according to the above-mentioned machine that the installing/dismounting state with above-mentioned earth resistance changes, and differentiates the machine of above-mentioned portable set.
13. the music player that is used for portable set as claimed in claim 12 is characterized in that,
Above-mentioned machine judgement unit storage makes the machine of above-mentioned portable set and the corresponding reference table of being imported of signal mode, differentiates the machine of above-mentioned portable set according to the signal mode of being imported.
14. the music player that is used for portable set as claimed in claim 12 is characterized in that,
Possess the power supply of accepting source power supply and generate control power supply power circuit,
Above-mentioned power circuit supply with as the control power supply inner in, also supply with above-mentioned portable set with power supply as the charging of the battery of above-mentioned portable set.
15. a music player that is used for portable set will amplify from the voice signal of portable set input and exported by loud speaker, it is characterized in that possessing:
Connector portion connects portable set and connect the connector with cable, and input is from the voice signal of above-mentioned portable set;
The machine judgement unit is connected the machine that the signal of being imported when connecting with the connector of cable is differentiated above-mentioned portable set according to above-mentioned connector portion with above-mentioned portable set;
Volume/tonequality adjustment unit, output are adjusted the adjustment signal of volume/tonequality according to the machine of the above-mentioned portable set that is determined by above-mentioned machine judgement unit; And
Volume/tonequality adjustment amplifier, according to volume, tonequality or volume and the tonequality of adjusting the voice signal of having imported from above-mentioned portable set from the adjustment signal of above-mentioned volume/tonequality adjustment unit,
In above-mentioned connector, except that the voice signal of passing on the tut signal with the contact component, also possess by change over switch selectively a plurality of machines of ground connection differentiate and use contact component,
The voice signal of above-mentioned connector connects with the holding wire that electric capacity is connected with above-mentioned portable set with cable through stopping direct current with contact component, and is connected with above-mentioned volume/tonequality adjustment amplifier with electric capacity through another stopping direct current,
The tut signal with contact component when resistance is pulled to high potential, but earth resistance is set to installing/dismounting,
Above-mentioned machine judgement unit is differentiated the voltage with contact component according to the above-mentioned machine that the installing/dismounting state with above-mentioned earth resistance changes, and differentiates the machine of above-mentioned portable set.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005128414A JP2006310981A (en) | 2005-04-26 | 2005-04-26 | Music playback unit for portable equipment |
| JP128414/05 | 2005-04-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1855706A CN1855706A (en) | 2006-11-01 |
| CN1855706B true CN1855706B (en) | 2012-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005100881607A Expired - Fee Related CN1855706B (en) | 2005-04-26 | 2005-07-29 | Music reproduction device for portable device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2006310981A (en) |
| CN (1) | CN1855706B (en) |
| TW (1) | TW200638673A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101646114B (en) * | 2008-08-08 | 2012-10-17 | 深圳Tcl新技术有限公司 | Method and device for automatically regulating tone quality of electroacoustic equipment |
| TWI420920B (en) * | 2010-08-06 | 2013-12-21 | Compal Communications Inc | Volume balancing system and portable electrical device |
| JP6083457B1 (en) * | 2015-08-18 | 2017-02-22 | オンキヨー株式会社 | Music player |
| JP2021196784A (en) * | 2020-06-12 | 2021-12-27 | Ｎｅｃパーソナルコンピュータ株式会社 | Information processor, connection cable, and control method |
-
2005
- 2005-04-26 JP JP2005128414A patent/JP2006310981A/en active Pending
- 2005-06-23 TW TW094120986A patent/TW200638673A/en not_active IP Right Cessation
- 2005-07-29 CN CN2005100881607A patent/CN1855706B/en not_active Expired - Fee Related
Non-Patent Citations (2)
| Title |
|---|
| JP特开2001-223544A 2001.08.17 |
| JP特开2002-281119A 2002.09.27 |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200638673A (en) | 2006-11-01 |
| JP2006310981A (en) | 2006-11-09 |
| TWI341083B (en) | 2011-04-21 |
| CN1855706A (en) | 2006-11-01 |
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