CN203661260U - Audio frequency transmission apparatus - Google Patents
Audio frequency transmission apparatus Download PDFInfo
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- CN203661260U CN203661260U CN201320890111.5U CN201320890111U CN203661260U CN 203661260 U CN203661260 U CN 203661260U CN 201320890111 U CN201320890111 U CN 201320890111U CN 203661260 U CN203661260 U CN 203661260U
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Abstract
The utility model discloses an audio frequency transmission apparatus which comprises a housing. An earphone circuit board and a detachably-installed function plate are disposed in the housing. The earphone circuit board is provided with an earphone circuit. The function plate is equipped with a first function circuit that can independently achieve preset functions. The function plate can be installed in the housing having earphone functions, so multiple functions can be selected among each other or combined for application, and the integrated level of equipment is improved.
Description
Technical field
The utility model relates to audio devices technical field, particularly relates to a kind of audio transmission device.
Background technology
At present, the various Portable mobile electronic devices that are widely current on market, such as music player, walkman, mobile phone, panel computer etc.On various mobile or fixed electronic equipments, USB interface and audio jack have become the standard configuration of electronic equipment.Peripheral electronic device with USB interface application very general, such as flash disk etc., and ancillary equipment based on audio interface the most widely used be headset (i.e. the earphone with microphone).The use amount of the peripheral electronic device with USB interface and the ancillary equipment based on audio interface is huge, but, up to now, peripheral electronic device with USB interface and the ancillary equipment based on audio interface are all self-existent, so user need to carry these two kinds of equipment at one's side simultaneously.And, in existing headset, only has an audio interface (being audio jack), interface is single, integrated level is low, cannot be with the interface compatibility of various electronic, therefore have to carry the in addition order wire of standard interface, not only increases the peripheral hardware cost of electronic equipment, and in use brings inconvenience to user.
Utility model content
The purpose of this utility model is, a kind of audio transmission device is provided, and headset and at least one functional device are combined, and realizes selection or applied in any combination between several functions, improves the integrated level of equipment.
For solving the problems of the technologies described above, the utility model provides a kind of audio transmission device, described audio transmission device comprises a housing, in described housing, there is a headset circuit plate and a detachable feature board of installing, wherein, described headset circuit plate has a headset circuit, described feature board have one can complete independently preset function the first functional circuit.
Further, described headset circuit is electrically connected with described the first functional circuit selectivity.
Further, on described headset circuit plate, be provided with a headset interconnecting electrode group, described headset interconnecting electrode group and described headset circuit are electrically connected, on described feature board, be provided with a feature board interconnecting electrode group, described feature board interconnecting electrode group and described the first functional circuit are electrically connected, when described feature board is installed in described housing, described headset interconnecting electrode group and feature board interconnecting electrode group are electrically connected, and described headset circuit is electrically connected with described the first functional circuit.
Further, described headset circuit comprises Mike's holding wire, left earplug line, left channel signals line, right-channel signals line, right earplug line, headset ground wire, described headset interconnecting electrode group comprises the first headset interconnecting electrode, the second headset interconnecting electrode, third ear wheat interconnecting electrode, the 4th headset interconnecting electrode, the 5th headset interconnecting electrode, the 6th headset interconnecting electrode, connects successively respectively described Mike's holding wire, left earplug line, left channel signals line, right-channel signals line, right earplug line, headset ground connecting line.
Further, described feature board interconnecting electrode group comprises the first interconnecting electrode, the second interconnecting electrode, the 3rd interconnecting electrode, the 4th interconnecting electrode, described feature board is installed in described housing, described the first headset interconnecting electrode of the corresponding connection of described the first interconnecting electrode, corresponding described the second headset interconnecting electrode and the third ear wheat interconnecting electrode of connecting of described the second interconnecting electrode, corresponding described the 4th headset interconnecting electrode and the 5th headset interconnecting electrode of connecting of described the 3rd interconnecting electrode, corresponding the 6th headset interconnecting electrode that connects of described the 4th interconnecting electrode.
Further, described feature board interconnecting electrode group comprises the first interconnecting electrode, the second interconnecting electrode, the 3rd interconnecting electrode, the 4th interconnecting electrode, the 5th interconnecting electrode, the 6th interconnecting electrode, described feature board is installed in described housing, described the first interconnecting electrode, the second interconnecting electrode, the 3rd interconnecting electrode, the 4th interconnecting electrode, the 5th interconnecting electrode, the 6th interconnecting electrode connects respectively described the first headset interconnecting electrode, the second headset interconnecting electrode, third ear wheat interconnecting electrode, the 4th headset interconnecting electrode, the 5th headset interconnecting electrode, the 6th headset interconnecting electrode.
Further, on described headset circuit plate, between described the second headset interconnecting electrode and third ear wheat interconnecting electrode, connect by the first push switch, when described the first push switch is pressed, electric insulation between described the second headset interconnecting electrode and third ear wheat interconnecting electrode, when described the first push switch is upspring, between described the second headset interconnecting electrode and third ear wheat interconnecting electrode, electricity is connected; Between described the 4th headset interconnecting electrode and the 5th headset interconnecting electrode, connect by the second push switch, when described the second push switch is pressed, electric insulation between described the 4th headset interconnecting electrode and the 5th headset interconnecting electrode, when described the second push switch is upspring, between described the 4th headset interconnecting electrode and the 5th headset interconnecting electrode, electricity is connected.
Further, described feature board has corresponding with described the first push switch and the second push switch respectively the first recess and the second recess, when described feature board is installed in described housing, described the first push switch and the second push switch are positioned at described the first recess and the second recess, and described the first push switch and the second push switch are all in the state of upspringing.
Further, described the first functional circuit has the first external interface electrode.
Further, described feature board also have one can complete independently preset function the second functional circuit.
Further, described the first functional circuit is connected with the second functional circuit selectivity.
Further, described the second functional circuit has the second external interface electrode.
Further, described feature board has the sound inlet of a transmission sound wave.
Further, described feature board is T shape or rectangle, and described headset circuit plate is T shape or rectangle.
Further, described headset circuit plate connects audio jack line, left earplug line and right earplug line, the line outlet of what described feature board had draw described audio jack line, left earplug line and right earplug line.
Further, described audio transmission device also has one described feature board is sealed in to the enclosing cover in described housing.
Compared with prior art, the audio transmission device that the utility model provides has the following advantages:
In the audio transmission device providing at the utility model, described audio transmission device comprises a housing, in described housing, there is a headset circuit plate and a detachable feature board of installing, wherein, described headset circuit plate have one can complete independently earphone function headset circuit, described feature board have one can complete independently preset function the first functional circuit, compared with prior art, described feature board can be installed in the housing with earphone function, realize the selection application between several functions, improve the integrated level of equipment.
Brief description of the drawings
Fig. 1 is the decomposing schematic representation of the utility model one embodiment sound intermediate frequency transmitting device;
Fig. 2 is the schematic diagram of headset circuit in the utility model one embodiment sound intermediate frequency transmitting device;
Fig. 3 is the schematic appearance of the utility model one embodiment sound intermediate frequency transmitting device;
Fig. 4 is the schematic diagram of feature board in the utility model one embodiment;
Fig. 5 is that in the utility model one embodiment, feature board is installed to the schematic diagram in housing;
Fig. 6 is the schematic diagram of feature board in the utility model two embodiment;
Fig. 7 is that in the utility model two embodiment, feature board is installed to the schematic diagram in housing;
Fig. 8 is the schematic diagram of headset circuit in the utility model three embodiment sound intermediate frequency transmitting devices;
Fig. 9 is the schematic diagram of feature board in the utility model three embodiment.
Embodiment
Below in conjunction with schematic diagram, audio transmission device of the present utility model is described in more detail, wherein represent preferred embodiment of the present utility model, should be appreciated that those skilled in the art can revise the utility model described here, and still realize advantageous effects of the present utility model.Therefore, following description is appreciated that extensively knowing for those skilled in the art, and not as to restriction of the present utility model.
For clear, whole features of practical embodiments are not described.They in the following description, are not described in detail known function and structure, because can make the utility model chaotic due to unnecessary details.Will be understood that in the exploitation of any practical embodiments, must make a large amount of implementation details to realize developer's specific objective, for example, according to about system or about the restriction of business, change into another embodiment by an embodiment.In addition, will be understood that this development may be complicated and time-consuming, but be only routine work to those skilled in the art.
In the following passage, with way of example, the utility model is more specifically described with reference to accompanying drawing.According to the following describes and claims, advantage of the present utility model and feature will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the object of aid illustration the utility model embodiment lucidly.
Core concept of the present utility model is, a kind of audio transmission device is provided, described audio transmission device comprises a housing, in described housing, there is a headset circuit plate and a detachable feature board of installing, wherein, described headset circuit plate have one can complete independently earphone function headset circuit, described feature board have one can complete independently preset function the first functional circuit, described feature board can be installed in the housing with earphone function, realize selection or applied in any combination between several functions, improve the integrated level of equipment.
Below enumerate several embodiment of described audio transmission device, to clearly demonstrate content of the present utility model, will be clear that, content of the present utility model is not restricted to following examples, and other improvement by those of ordinary skill in the art's routine techniques means are also within thought range of the present utility model.
The first embodiment
Refer to Fig. 1-Fig. 5 and illustrate the first embodiment of the present utility model, wherein, Fig. 1 is the decomposing schematic representation of the utility model one embodiment sound intermediate frequency transmitting device; Fig. 2 is the schematic diagram of headset circuit in the utility model one embodiment sound intermediate frequency transmitting device; Fig. 3 is the schematic appearance of the utility model one embodiment sound intermediate frequency transmitting device; Fig. 4 is the schematic diagram of feature board in the utility model one embodiment; Fig. 5 is that in the utility model one embodiment, feature board is installed to the schematic diagram in housing.In the present embodiment, 1) feature board 120 parts: described feature board 120 has the first functional circuit and the second functional circuit, the partial function of the first functional circuit is only in the time that described feature board 120 is pacified in described housing 100, carrys out startup work by means of described headset circuit plate 110; The partial function of the second functional circuit can work independently (while taking-up when described feature board 120 is pacified in described housing 100 or from described housing 100); 2) headset circuit plate 110 parts: in the time that described feature board 120 takes out from described housing 100, the earplug funtion part of described headset circuit is not worked, and MIC can work; When described feature board 120 is pacified in described housing 100, the repertoire of described headset circuit can be used.
As shown in Figure 1, described audio transmission device comprises a housing 100, has a headset circuit plate 110 and a detachable feature board 120 of installing in described housing 100.Described headset circuit plate 110 can be fixed on the bottom surface of described housing 100, and the end face of described housing 100 is empty, is convenient to like this embedding of described feature board 120.But the mounting means of described feature board 120 in described housing 100 do not done concrete restriction.
Wherein, described headset circuit plate 110 has a required element that can complete earphone function, comprising a headset circuit, as shown in Figure 2.Described headset circuit generally comprises microphone (Microphone) chip 111, line traffic control (LineCtrl) chip 112 and other required element, the common practise that described headset circuit is this area, and therefore not to repeat here.Described microphone chip 111, line traffic control chip 112 and other required element can weld or integral type is encapsulated on described headset circuit plate 110.In the present embodiment, described audio jack 240 is Four wire plug, so, described headset circuit generally also comprises the circuit that Mike's holding wire MIC, left channel signals line HPL, right-channel signals line HPR, left earplug line HPLS, right earplug line HPRS, headset ground wire GND etc. are necessary, when left channel signals line HPL and left earplug line HPLS short circuit, and when right-channel signals line HPR and right earplug line HPRS short circuit, can complete independently earphone function.Wherein, as shown in Figure 3, described Mike's holding wire MIC, left channel signals line HPL, right-channel signals line HPR are used for connecting audio jack 240, and described left earplug line HPLS, right earplug line HPRS are used for connecting L channel earplug and R channel earplug.Described Mike's holding wire MIC accesses described microphone chip 111 simultaneously, line traffic control chip 112, sound is converted to the audio coding decoding chip that is uploaded to the hand-hold electronic equipments of far-end after the signal of telecommunication from described Mike's holding wire MIC by described microphone chip 111, line traffic control chip 112 is by three button BT+, the action code conversion of BTc and BT-(being equivalent to three electricity earthed switches) is to digital signal, with certain single-wire-protocol (such as in different frequency ranges), be uploaded to the corresponding receiver of hand-hold electronic equipments of far-end from described Mike's holding wire MIC.
Described headset circuit plate 110 is connected to described audio jack 240 by audio jack line 230, is connected to left earplug by left earplug line 210, is connected to right earplug, as shown in Figure 3 by right earplug line 220.In the present embodiment, described audio jack line 230 and right earplug line 220 are drawn from the below of described headset circuit plate 110, and described left earplug line 210 is drawn from the top of described headset circuit plate 110, but concrete restriction is not done in lead-out mode and position.
Described feature board 120 have one can complete independently preset function the first functional circuit, wherein, described the first functional circuit can be read-write cell module, audio coder module or wireless transmit/receive units module etc., specifically arranges as required, does not limit at this.For example, in the present embodiment, described the first functional circuit is read-write cell module (as flash memory), and as shown in Figure 4, it is A type USB electrode, USB control module USB Ctrl and the first functional module FuncMod1m that described the first functional circuit has the first external interface electrode 124.In the present embodiment, in the time that described feature board 120 is pacified in entering plate shell, described audio transmission device module can be used as common headset and uses, and described feature board 120 can be used as a flash memory use.Now, flash memory is incorporated in common headset, improves the integrated level of electronic equipment, avoid carrying various electronic.
In the present embodiment, be provided with a headset interconnecting electrode group 113 on described headset circuit plate 110, as shown in Figure 2, described headset interconnecting electrode group 113 is electrically connected with described headset circuit.Wherein, described headset interconnecting electrode group 113 comprises the first headset interconnecting electrode 113a, the second headset interconnecting electrode 113b, third ear wheat interconnecting electrode 113c, the 4th headset interconnecting electrode 113d, the 5th headset interconnecting electrode 113e, the 6th headset interconnecting electrode 113f, connect successively respectively described Mike's holding wire MIC, left earplug line HPLS, left channel signals line HPL, right-channel signals line HPR, right earplug line HPRS, headset ground connecting line GND, to realize the combination of several functions.But, in other embodiment of the present utility model, can also have more interconnect electrode (not shown) to be connected with described the first functional circuit, to realize the control of described headset circuit to described the first functional circuit.Wherein, in the present embodiment, concrete restriction is not done in the position of described headset interconnecting electrode group 113, can arrange as required.
Preferably, on described feature board 120, be provided with a feature board interconnecting electrode group 121, when described feature board 120 is installed in described housing 100, described headset interconnecting electrode group 113 is electrically connected with feature board interconnecting electrode group 121, to realize the normal work of described headset circuit.Certainly, except above-mentioned functions plate interconnecting electrode group 121, described feature board 120 can also on be provided with described first functional circuit be electrically connected control electrode, by being set with on described headset circuit plate 110 being connected of volume respective electrode, thereby realize the control of described headset circuit to described the first functional circuit electricity, to realize the combination of several functions, this is what it will be appreciated by those skilled in the art that, and therefore not to repeat here.Wherein, in the present embodiment, described feature board interconnecting electrode group 121 comprises the first interconnecting electrode 121a, the second interconnecting electrode 121b, the 3rd interconnecting electrode 121c, the 4th interconnecting electrode 121d.Equally, concrete restriction is not done in the position of described control electrode, can arrange as required.
In the present embodiment, specifically taking described the first functional circuit as usb circuit.Wherein, described the first functional circuit has one first external interface electrode 124, and described the first external interface electrode 124 is USB electrode, and the common practise that described usb circuit is this area, does not repeat them here.In the present embodiment, described the first functional circuit also has one second external interface electrode 126, described the second external interface electrode 126 can be USB electrode, for example, in the present embodiment, described the second functional circuit is usb circuit, as shown in Figure 4, the power line mVDD of the first external interface electrode 124, data wire mD-, data wire mD+, ground wire GND successively with the power line VDD of described the second external interface electrode 126, data wire D-, data wire D+, ground wire GND is connected, its connected mode can directly be connected or be connected by devices such as mechanical switchs, make described the first functional circuit there are two kinds of different interface electrodes, thereby realize two kinds of conversions between USB interface.In the present embodiment, the first external interface electrode 124 and the second external interface electrode 126 are USB interface electrode, so, between the first external interface electrode 124 and the second external interface electrode 126, connect.
Preferably, described feature board 120 also have one can complete independently preset function the second functional circuit, wherein, described the second functional circuit can be RFID module, non-contact intelligent card module, NFC module or any module that connects and control without wireline interface (such as USB interface), specifically arrange as required, do not limit at this.In the present embodiment, described the second functional circuit can also have one second functional module Func Mod0m, described the second functional module Func Mod0m can work independently, while making described feature board 120 pacify in described housing 100 or while taking-up from described housing 100, all can normally work, for a person skilled in the art, the concrete structure of described the second functional module Func Mod0m is understandable, and therefore not to repeat here.
When described feature board 120 is not installed in described housing 100, left earplug line HPLS and left channel signals line HPL disconnect, and meanwhile, right earplug line HPRS and right-channel signals line HPR disconnect, and the earplug function of described headset circuit plate 110 bans use of.But the microphone of headset circuit can normally use.
When described feature board 120 is installed in described housing 100, as shown in Figure 5, described the first headset interconnecting electrode 113a of the corresponding connection of described the first interconnecting electrode 121a, corresponding described the second headset interconnecting electrode 113b and the third ear wheat interconnecting electrode 113c of connecting of described the second interconnecting electrode 121b, corresponding described the 4th headset interconnecting electrode 113d and the 5th headset interconnecting electrode 113e of connecting of described the 3rd interconnecting electrode 121c, corresponding the 6th headset interconnecting electrode 113f that connects of described the 4th interconnecting electrode 121d, now, by left earplug line HPLS and left channel signals line HPL short circuit, simultaneously, by right earplug line HPRS and right-channel signals line HPR short circuit.
Now, the earplug function of described headset circuit plate 110 can be used, and can realize complete earphone function in conjunction with microphone, and described feature board 120 can independently be realized described the first external interface electrode 124 and the direct-connected conversion of the second external interface electrode 126.For example, when described the first external interface electrode 124 is A type USB interface, when described the second external interface electrode 126 is Type B micro USB interface, realize the conversion of A type USB interface and Type B micro USB interface;
And, can also control described the first functional module Func Mod1m on described feature board 120 by USB control module USB Ctrl, realize different functions.In addition, described the second functional module Func Mod0m need not connect and the independent circuit module using with any other circuit or electrode, and to realize independent function, its concrete function does not limit.Certainly, can also on described feature board 120, other control module be set, the electronic equipment of realizing far-end is the function such as control to feature board by tone frequency channel wire, also within thought range of the present utility model.
Preferably, in the present embodiment, 121 groups of described headset interconnecting electrode group 113 and feature board interconnecting electrodes are pad formula electrode, but in other embodiments of the invention, described headset interconnecting electrode group 113 is pad formula electrode, described feature board interconnecting electrode group 121 is wire electrode, or described headset interconnecting electrode group 113 is jack type electrode, described feature board interconnecting electrode group 121 is contact pin type electrode, or described headset interconnecting electrode group 113 is contact pin type electrode, described feature board interconnecting electrode group 121 is jack type electrode etc.
In the present embodiment, the functional block that described feature board 120 is the monolithic ultrathin design with USB interface, can be the design (combination can according to design different become) of single or double with single or multiple USB interface.The shape of described feature board 120 can be T shape or rectangle, as shown in Figure 4, but the shape of described feature board 120 is not limited to as T shape or rectangle, described feature board 120 can also be other shape, as long as ensure that the shape at two ends meets the requirement of corresponding interface standard, for example described feature board 120 can be cambered surface, and inclined-plane etc., also within thought range of the present invention.One end of described feature board 120 is A type USB interface electrode, and the other end is Type B micro USB interface electrode, described feature board 120 be shaped as T shape, but more selection specifically can be set as required.Certainly, described the first external interface electrode 124 and described the second external interface electrode 126 are not limited to as USB interface, can also be 8 special line data-interfaces of apple, or intelligent card interface etc., also within thought range of the present utility model.
Preferably, described feature board 120 has the sound inlet 127 of a transmission sound wave, and while making described feature board 120 be installed in described housing 100, described feature board 120 can be by transmission sound to described microphone chip 111.Wherein, described sound inlet 127 can be just to or the sound inlet to described microphone chip 111 just not.
In addition, the line outlet 128 of what described feature board 120 had draw described audio jack line 230, left earplug line 210 and right earplug line 220, described line outlet 128 can have four grooves for the side of narrow section that is positioned at described feature board 120, but concrete distribution mode and quantity do not limit.In the present embodiment, described audio transmission device also has one described feature board 120 is sealed in to the enclosing cover in described housing 100, and the shape of described enclosing cover is not done concrete restriction.In addition, described feature board 120 can also be arranged on the inner side of described enclosing cover, and in the time described enclosing cover being installed on described housing 100, described feature board 120 can be sealed in described housing 100.
In addition, described headset interconnecting electrode group 113 is not limited to aforesaid way with the mode that feature board interconnecting electrode group 121 is electrically connected, in the time that described the first functional circuit is MP3 (band recording) or bluetooth earphone chip, described Mike's holding wire MIC, left earplug line HPLS, right earplug line HPRS need to be connected to described the first functional circuit; Specifically arranging as required, for a person skilled in the art, is understandable.
In addition, described the first functional circuit is not limited to have a first functional module Func Mod1m, can also comprise multiple functional modules simultaneously, and can control multiple functional modules whiles or timesharing use, this is what it will be appreciated by those skilled in the art that, and therefore not to repeat here.
The second embodiment
Refer to Fig. 6-Fig. 7, Fig. 6 is the schematic diagram of feature board in the utility model two embodiment; Fig. 7 is that in the utility model two embodiment, feature board is installed to the schematic diagram in housing.In Fig. 6-Fig. 7, reference number represents the parts that the statement identical with Fig. 1-Fig. 5 is identical with the first execution mode.The audio transmission device of the audio transmission device of described the second embodiment and described the first embodiment is basic identical, its difference is: 1) feature board 320 parts: described feature board 320 has the first functional circuit and the second functional circuit, the partial function of the first functional circuit is only in the time that described feature board 320 is pacified in described housing 100, carrys out startup work by means of described headset circuit plate 110; The partial function of the second functional circuit can work independently (while taking-up when described feature board 320 is pacified in described housing 100 or from described housing 100); 2) headset circuit plate 110 parts: in the time that described feature board 320 is pacified in described housing 100 or while taking-up from described housing 100, the earplug function of described headset circuit is not worked, MIC can work.
In the described feature board 320 of the present embodiment, described feature board interconnecting electrode group 321 comprises the first interconnecting electrode 321a, the second interconnecting electrode 321b, the 3rd interconnecting electrode 321c, the 4th interconnecting electrode 321d, the 5th interconnecting electrode 321e, the 6th interconnecting electrode 321f, as shown in Figure 6.In addition, described the second external interface electrode 326 is 8 line interfaces, because the first external interface electrode 124 is different with the kind of the second external interface electrode 326, so, described feature board 320 can be realized the conversion between 8 line interfaces and USB interface by internal control module Interface Ctrl, this is what it will be appreciated by those skilled in the art that, and therefore not to repeat here.
Described feature board 320 is installed in described housing, as shown in Figure 7, described the first interconnecting electrode 321a, the second interconnecting electrode 321b, the 3rd interconnecting electrode 321c, the 4th interconnecting electrode 321d, the 5th interconnecting electrode 321e, the 6th interconnecting electrode 321f connect respectively described the first headset interconnecting electrode 113a, the second headset interconnecting electrode 113b, third ear wheat interconnecting electrode 113c, the 4th headset interconnecting electrode 113d, the 5th headset interconnecting electrode 113e, the 6th headset interconnecting electrode 113f.Now, so just realized the conversion of three mouthfuls of unifications of audio frequency four-wire interface, described the first external interface electrode 124 (A type USB interface) and the second external interface electrode 326 (8 line interface).Now, left earplug line HPLS and left channel signals line HPL disconnect, and meanwhile, right earplug line HPRS and right-channel signals line HPR disconnect, and the left and right earplug of described headset circuit plate 110 belongs to disabled status.
The 3rd embodiment
Refer to Fig. 8-Fig. 9, Fig. 8 is the schematic diagram of headset circuit in the utility model three embodiment sound intermediate frequency transmitting devices; Fig. 9 is the schematic diagram of feature board in the utility model three embodiment.In Fig. 8-Fig. 9, reference number represents the parts that the statement identical with Fig. 1-Fig. 5 is identical with the first execution mode.The audio transmission device of the audio transmission device of described the 3rd embodiment and described the first embodiment is basic identical, its difference is: 1) feature board 420 parts: described feature board 420 has the first functional circuit and the second functional circuit, the partial function of the first functional circuit is only in the time that described feature board 420 is pacified in described housing 100, carrys out startup work by means of described headset circuit plate 110; The partial function of the second functional circuit can work independently (while taking-up when described feature board 420 is pacified in described housing 100 or from described housing 100); 2) headset circuit plate 110 parts: in the time that described feature board 420 is pacified in described housing 100 or while taking-up from described housing 100, the earplug of described headset circuit and MIC function all can be worked.
As shown in Figure 8, on described headset circuit plate 410, between described the second headset interconnecting electrode 113b and third ear wheat interconnecting electrode 113c, connect by the first push switch 411, when described the first push switch 411 is pressed, electric insulation between described the second headset interconnecting electrode 113b and third ear wheat interconnecting electrode 113c, when described the first push switch 411 is upspring (not being pressed), between described the second headset interconnecting electrode 113b and third ear wheat interconnecting electrode 113c, electricity is connected; Between described the 4th headset interconnecting electrode 113d and the 5th headset interconnecting electrode 113e, connect by the second push switch 412, when described the second push switch 412 is pressed, electric insulation between described the 4th headset interconnecting electrode 113d and the 5th headset interconnecting electrode 113e, when described the second push switch 412 is upspring, between described the 4th headset interconnecting electrode 113d and the 5th headset interconnecting electrode 113e, electricity is connected.
In the present embodiment, described housing 100 is rectangle, as shown in Figure 8, corresponding, described feature board 420 is rectangle, and as shown in Figure 9, described the first external interface electrode 424 is Type B USB interface, described the second external interface electrode 426 is 8 line interfaces, and described feature board 420 also can have internal control module Interface Ctrl to realize the conversion between 8 line interfaces and USB interface.Described feature board 420 has corresponding with described the first push switch 411 and the second push switch 412 respectively the first recess 421 and the second recess 422, when described feature board 420 is installed in described housing 100, described the first push switch 411 and the second push switch 412 are positioned at described the first recess 421 and the second recess 422, and described the first push switch 411 and the second push switch 412 are all in the connected state of upspringing, control the connection between left earplug line HPLS (right earplug line HPRS) and left channel signals line HPL (right-channel signals line HPR) to realize the mode of mechanical switch control.Now, the earplug function of described headset circuit plate 410 can be used.
The utility model is not limited to above-described embodiment, for example, the first embodiment and the second embodiment can be combined, do a two-sided described feature board, make in the time that the one side of described feature board is installed towards described headset circuit plate, left earplug line HPLS and left channel signals line HPL disconnect, simultaneously, right earplug line HPRS and right-channel signals line HPR disconnect, in the time that the another side of described feature board is installed towards described headset circuit plate, left earplug line HPLS is connected with left channel signals line HPL, simultaneously, right earplug line HPRS is connected with right-channel signals line HPR, thereby realize the selection application of several functions, in addition, the mode of mechanical switch control can also be used on the described feature board of T shape, also within thought range of the present utility model, certainly, described headset circuit plate can also be one can complete separately the headset circuit plate of earphone function, described feature board and described headset circuit plate do not need to be used in conjunction with, and can complete individually respectively function separately, also within thought range of the present utility model.
In sum, in the audio transmission device that the utility model provides, compared with prior art, the utlity model has following advantage:
In the audio transmission device providing at the utility model, described audio transmission device comprises a housing, in described housing, there is a headset circuit plate and a detachable feature board of installing, wherein, described headset circuit plate has a headset circuit, described feature board have one can complete independently preset function the first functional circuit, compared with prior art, described feature board can be installed in the housing with earphone function, realizes the selection application between several functions, improves the integrated level of equipment.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if these amendments of the present utility model and within modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (18)
1. an audio transmission device, it is characterized in that, described audio transmission device comprises a housing, in described housing, there is a headset circuit plate and a detachable feature board of installing, wherein, described headset circuit plate has a headset circuit, described feature board have one can complete independently preset function the first functional circuit.
2. audio transmission device as claimed in claim 1, is characterized in that, described headset circuit is electrically connected with described the first functional circuit selectivity.
3. audio transmission device as claimed in claim 2, it is characterized in that, on described headset circuit plate, be provided with a headset interconnecting electrode group, described headset interconnecting electrode group and described headset circuit are electrically connected, on described feature board, be provided with a feature board interconnecting electrode group, when described feature board is installed in described housing, described headset interconnecting electrode group and feature board interconnecting electrode group are electrically connected.
4. audio transmission device as claimed in claim 3, it is characterized in that, described headset circuit comprises Mike's holding wire, left earplug line, left channel signals line, right-channel signals line, right earplug line, headset ground wire, described headset interconnecting electrode group comprises the first headset interconnecting electrode, the second headset interconnecting electrode, third ear wheat interconnecting electrode, the 4th headset interconnecting electrode, the 5th headset interconnecting electrode, the 6th headset interconnecting electrode, connect successively respectively described Mike's holding wire, left earplug line, left channel signals line, right-channel signals line, right earplug line, headset ground connecting line.
5. audio transmission device as claimed in claim 4, it is characterized in that, described feature board interconnecting electrode group comprises the first interconnecting electrode, the second interconnecting electrode, the 3rd interconnecting electrode, the 4th interconnecting electrode, described feature board is installed in described housing, described the first headset interconnecting electrode of the corresponding connection of described the first interconnecting electrode, corresponding described the second headset interconnecting electrode and the third ear wheat interconnecting electrode of connecting of described the second interconnecting electrode, corresponding described the 4th headset interconnecting electrode and the 5th headset interconnecting electrode of connecting of described the 3rd interconnecting electrode, corresponding the 6th headset interconnecting electrode that connects of described the 4th interconnecting electrode.
6. audio transmission device as claimed in claim 4, it is characterized in that, described feature board interconnecting electrode group comprises the first interconnecting electrode, the second interconnecting electrode, the 3rd interconnecting electrode, the 4th interconnecting electrode, the 5th interconnecting electrode, the 6th interconnecting electrode, described feature board is installed in described housing, described the first interconnecting electrode, the second interconnecting electrode, the 3rd interconnecting electrode, the 4th interconnecting electrode, the 5th interconnecting electrode, the 6th interconnecting electrode connects respectively described the first headset interconnecting electrode, the second headset interconnecting electrode, third ear wheat interconnecting electrode, the 4th headset interconnecting electrode, the 5th headset interconnecting electrode, the 6th headset interconnecting electrode.
7. audio transmission device as claimed in claim 4, it is characterized in that, on described headset circuit plate, between described the second headset interconnecting electrode and third ear wheat interconnecting electrode, connect by the first push switch, when described the first push switch is pressed, electric insulation between described the second headset interconnecting electrode and third ear wheat interconnecting electrode, when described the first push switch is upspring, between described the second headset interconnecting electrode and third ear wheat interconnecting electrode, electricity is connected; Between described the 4th headset interconnecting electrode and the 5th headset interconnecting electrode, connect by the second push switch, when described the second push switch is pressed, electric insulation between described the 4th headset interconnecting electrode and the 5th headset interconnecting electrode, when described the second push switch is upspring, between described the 4th headset interconnecting electrode and the 5th headset interconnecting electrode, electricity is connected.
8. audio transmission device as claimed in claim 7, it is characterized in that, described feature board has corresponding with described the first push switch and the second push switch respectively the first recess and the second recess, when described feature board is installed in described housing, described the first push switch and the second push switch are positioned at described the first recess and the second recess, and described the first push switch and the second push switch are all in the state of upspringing.
9. audio transmission device as claimed in claim 3, is characterized in that, described headset interconnecting electrode group and feature board interconnecting electrode group are pad formula electrode; Or described headset interconnecting electrode group is pad formula electrode, described feature board interconnecting electrode group is wire electrode; Or described headset interconnecting electrode group is jack type electrode, described feature board interconnecting electrode group is contact pin type electrode; Or described headset interconnecting electrode group is contact pin type electrode, described feature board interconnecting electrode group is jack type electrode.
10. audio transmission device as claimed in claim 1, is characterized in that, described the first functional circuit also has the control electrode for the first functional circuit described in described headset circuit control, and described control electrode and described the first functional circuit are electrically connected.
11. audio transmission devices as claimed in claim 1, is characterized in that, described the first functional circuit has the first external interface electrode.
12. audio transmission devices as claimed in claim 11, is characterized in that, described the first functional circuit also has the second external interface electrode.
13. audio transmission devices as described in any one in claim 1-12, is characterized in that, described feature board also have one can complete independently preset function the second functional circuit.
14. audio transmission devices as claimed in claim 1, is characterized in that, described feature board has the sound inlet of a transmission sound wave.
15. audio transmission devices as claimed in claim 1, is characterized in that, described feature board is T shape or rectangle, and described headset circuit plate is T shape or rectangle.
16. audio transmission devices as claimed in claim 1, it is characterized in that, described headset circuit plate connects audio jack line, left earplug line and right earplug line, the line outlet of what described feature board had draw described audio jack line, left earplug line and right earplug line.
17. audio transmission devices as claimed in claim 1, is characterized in that, described audio transmission device also has one described feature board is sealed in to the enclosing cover in described housing.
18. 1 kinds for the feature board in audio transmission device as described in claim 1-17 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890111.5U CN203661260U (en) | 2013-12-30 | 2013-12-30 | Audio frequency transmission apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890111.5U CN203661260U (en) | 2013-12-30 | 2013-12-30 | Audio frequency transmission apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203661260U true CN203661260U (en) | 2014-06-18 |
Family
ID=50927606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320890111.5U Withdrawn - After Issue CN203661260U (en) | 2013-12-30 | 2013-12-30 | Audio frequency transmission apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203661260U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104754434A (en) * | 2013-12-30 | 2015-07-01 | 杭州纳雄科技有限公司 | Voice frequency transmission device |
| WO2016000611A1 (en) * | 2014-07-04 | 2016-01-07 | 王玮冰 | Audio transmission circuit |
| WO2016041482A1 (en) * | 2014-09-15 | 2016-03-24 | 王玮冰 | Headset having modular control panel |
| CN105491468A (en) * | 2014-09-15 | 2016-04-13 | 杭州纳雄科技有限公司 | Control panel modularization earphone and control method thereof |
-
2013
- 2013-12-30 CN CN201320890111.5U patent/CN203661260U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104754434A (en) * | 2013-12-30 | 2015-07-01 | 杭州纳雄科技有限公司 | Voice frequency transmission device |
| CN104754434B (en) * | 2013-12-30 | 2019-12-24 | 杭州纳雄科技有限公司 | Audio transmission device |
| WO2016000611A1 (en) * | 2014-07-04 | 2016-01-07 | 王玮冰 | Audio transmission circuit |
| CN105323676A (en) * | 2014-07-04 | 2016-02-10 | 杭州纳雄科技有限公司 | Audio transmission circuit |
| CN105323676B (en) * | 2014-07-04 | 2019-05-03 | 杭州纳雄科技有限公司 | Audio transmission circuit |
| WO2016041482A1 (en) * | 2014-09-15 | 2016-03-24 | 王玮冰 | Headset having modular control panel |
| CN105491468A (en) * | 2014-09-15 | 2016-04-13 | 杭州纳雄科技有限公司 | Control panel modularization earphone and control method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140618 Effective date of abandoning: 20191224 |