CN202841217U

CN202841217U - Cell phones, cell phone accessories and multimedia player accessories with active noise cancellation

Info

Publication number: CN202841217U
Application number: CN 201220158694
Authority: CN
Inventors: 黄勋德
Original assignee: Anpac Semiconductor Ltd
Current assignee: Anpac Semiconductor Ltd
Priority date: 2012-04-16
Filing date: 2012-04-16
Publication date: 2013-03-27
Anticipated expiration: 2022-04-16

Abstract

The utility model relates to a cell-phone, cell-phone accessory and multimedia player accessory with active noise elimination function. The mobile phone comprises a PCB used for active noise elimination, an earphone jack connected with the PCB, an earphone detachably connected with the mobile phone and other components. The mobile phone accessory comprises a mobile phone cover and an earphone detachably connected with the mobile phone cover, wherein the mobile phone cover is provided with a PCB for active noise elimination, an earphone jack connected with the PCB, and a joint component connected with the PCB and used for being connected with the mobile phone. The multimedia player accessory comprises a base and an earphone detachably connected with the base, wherein the base is provided with a PCB used for active noise elimination, an earphone jack connected with the PCB, and a connector component connected with the PCB and used for being connected with the multimedia player. The utility model discloses a cell-phone, cell-phone accessory and multimedia player accessory have the volume that has reduced the earphone, have alleviateed weight to and reduced manufacturing cost and the beneficial effect of the large-scale production of being convenient for.

Description

Have active noise and eliminate mobile phone, Cellphone Accessories and the multimedia player accessory of function

Technical field

The utility model relates to digital electric accessory field, is specifically related to have mobile phone, Cellphone Accessories and the multimedia player accessory that active noise is eliminated function.

Background technology

Along with the electronic digital product, the rapid growth of smart mobile phone and multimedia player for example, active noise is eliminated earphone becomes one of most popular mobile phone and multimedia player accessory.People cause active noise to eliminate the rapid growth of (Active Noise Cancellation, ANC) earphone at the rapid growth of the upper demand of utilizing mobile phone and multimedia player to listen to the music to see TV of noisy environment (for example on the bus, on the train or other vehicles).The battery that existing active noise elimination earphone designs in the control unit that the shortcoming that exists is earphone can increase its apparent size with the printed circuit board (PCB) with noise canceller circuit, increases its weight and cost.Therefore, need to reduce earphone manufacturing cost, reduce the volume of earphone and make it to be easy to a large amount of productions.

The utility model content

A purpose of the present utility model is that the noise canceller circuit for prior art is arranged in the earphone and the defective that the earphone volume is large, cost is high of bringing, and provides a kind of the ANC circuit is arranged at Cellphone Accessories in the cell-phone cover.

Another object of the present invention provides a kind of mobile phone of the ANC of having circuit.

A further object of the present invention provides and a kind of the ANC circuit is arranged at multimedia player accessory in the pedestal.

One of technical scheme that its technical problem that solves the utility model adopts is: a kind of Cellphone Accessories that active noise is eliminated function that have are provided, comprise cell-phone cover, with the earphone that removably connects with cell-phone cover, cell-phone cover is provided with the pcb board of eliminating for active noise, the earphone jack that is connected with pcb board, and be connected with pcb board, be used for the adapter assembly be connected with mobile phone.

Described in the utility model have active noise and eliminate in the Cellphone Accessories of function, and Cellphone Accessories also comprise rechargeable battery, and rechargeable battery and cell-phone cover removably connect, and are electrically connected with pcb board and adapter assembly by the battery interface that arranges on the cell-phone cover.

Described in the utility model have active noise and eliminate in the Cellphone Accessories of function, adapter assembly comprise be connected with pcb board, when mobile phone bottom jack has the output of handset audio signal, the handset audio signal is outputed to the signaling interface of the pcb board of eliminating for active noise by it.

Described in the utility model have active noise and eliminate in the Cellphone Accessories of function, earphone jack and corresponding headset plug have four kinds of patterns, the earphone jack of the first pattern comprise for the first jack of handset audio signal output and be used for the active noise Processing for removing the audio frequency input the second jack and be used for the active noise Processing for removing after the 3rd jack of audio frequency output, the headset plug of the first pattern has the first joint of cooperating with described the first jack, second joint and three joint corresponding with described the second jack and the 3rd jack difference.

Described in the utility model have active noise and eliminate in the Cellphone Accessories of function, the top of the earphone jack of the second pattern is provided with register, the middle part is provided with a plurality of pins that are insulated the parts isolation, described pin comprises the L channel pin, the R channel pin, microphone pin and earth connection, the bottom is provided with symmetrical, be insulated parts isolation, cross section is the projection of arc, they are left ANC microphone pin and right ANC microphone pin, the top of the headset plug of the second pattern is provided with the register that cooperates with the earphone jack accessory, the middle part is provided with a plurality of annular pin that is insulated the parts isolation that cooperates with the earphone jack accessory, end is provided with two pins that are insulated the parts isolation that cooperate with the earphone jack accessory, and audio interface ground wire and ANC microphone earth connection are shared an earth connection or be two earth connections of mutually isolating.

Described in the utility model have active noise and eliminate in the Cellphone Accessories of function, the earphone jack of the 3rd pattern is provided with a plurality of pins that are insulated the parts isolation, comprise L channel pin, R channel pin, microphone pin, earth connection, left ANC microphone pin and right ANC microphone pin, the inserting column of the headset plug of the 3rd pattern has a plurality of annular pin of being kept apart by insulating element that cooperates with the earphone jack accessory.

Described in the utility model have active noise and eliminate in the Cellphone Accessories of function, the earphone jack of the 4th pattern is provided with a plurality of pins that are insulated the parts isolation, and pin comprises L channel pin, R channel pin, microphone pin, audio interface ground wire, ANC microphone earth connection, left ANC microphone pin and right ANC microphone pin; The inserting column of the headset plug of the 4th pattern has a plurality of annular pin of being kept apart by insulating element that cooperates with the earphone jack accessory.

Two of the technical scheme that its technical problem that solves the utility model adopts is: a kind of mobile phone that active noise is eliminated function that has is provided, this mobile phone comprises the pcb board of eliminating for active noise, the earphone jack that is connected with pcb board, and the earphone that removably connects with described mobile phone.

Three of the technical scheme that its technical problem that solves the utility model adopts is: a kind of multimedia player accessory that active noise is eliminated function that has is provided, comprise pedestal and the earphone that removably connects with described pedestal, described pedestal is provided with the pcb board of eliminating for active noise, the earphone jack that is connected with described pcb board, and be connected with described pcb board, be used for adapter assembly and the attachment plug be connected with multimedia player.

Implement mobile phone and the multimedia player accessory that active noise is eliminated function that have of the present utility model, has following beneficial effect: at first, the pcb board that active noise is eliminated is arranged in mobile phone, Cellphone Accessories or the multimedia player accessory, rather than be arranged in the earphone control unit, reduce the volume of whole earphone product, alleviated weight; The pcb board that active noise is eliminated is by the Power supply on mobile phone, Cellphone Accessories or multimedia player accessory, and at the earphone control unit power supply is not set, thereby reduced the volume of earphone; Thereby the assembly that the control unit of earphone has has still less reduced overall volume, has reduced cost; Be convenient to the large-scale production of Cellphone Accessories and multimedia player accessory; This mobile phone, Cellphone Accessories and multimedia player accessory are supported monophony and stereo applications simultaneously.

Description of drawings

Cellphone Accessories and the multimedia player accessory of eliminating function below in conjunction with drawings and Examples to the utlity model has active noise are described further, in the accompanying drawing:

Fig. 1 the utlity model has the front schematic view of an embodiment that active noise is eliminated the Cellphone Accessories of function;

Fig. 2 a the utlity model has the side schematic view of an embodiment that active noise is eliminated the Cellphone Accessories of function;

Fig. 2 b the utlity model has the side schematic view of another embodiment that active noise is eliminated the Cellphone Accessories of function;

Fig. 3 the utlity model has the end face schematic diagram of an embodiment that active noise is eliminated the Cellphone Accessories of function;

Fig. 4 the utlity model has the schematic bottom view of an embodiment that active noise is eliminated the Cellphone Accessories of function;

Fig. 5 the utlity model has a kind of structural representation of earphone that active noise is eliminated the Cellphone Accessories of function;

Fig. 6 a the utlity model has the schematic diagram of an embodiment of headset plug that active noise is eliminated the Cellphone Accessories of function;

Fig. 6 b the utlity model has the generalized section of an embodiment of headset plug that active noise is eliminated the Cellphone Accessories of function;

Fig. 7 the utlity model has the schematic diagram of earplug of an embodiment that active noise is eliminated the Cellphone Accessories of function;

Fig. 8 a the utlity model has the schematic diagram that active noise is eliminated an embodiment of the headset plug of Cellphone Accessories of function and the jack that matches;

Fig. 8 b the utlity model has active noise to eliminate the headset plug of Cellphone Accessories of function and the sectional view of an embodiment when cooperating of the jack that matches;

Fig. 8 c the utlity model has active noise to eliminate the headset plug of Cellphone Accessories of function and an embodiment another sectional view when cooperating of the jack that matches;

Fig. 8 d the utlity model has active noise to eliminate the headset plug of Cellphone Accessories of function and an embodiment another sectional view when cooperating of the jack that matches;

Fig. 9 a the utlity model has the schematic diagram that active noise is eliminated another embodiment of the headset plug of Cellphone Accessories of function and the jack that matches;

Fig. 9 b the utlity model has the schematic diagram that active noise is eliminated another embodiment of the headset plug of Cellphone Accessories of function and the jack that matches;

Figure 10 the utlity model has the front schematic view of an embodiment that active noise is eliminated the mobile phone of function;

Figure 11 a the utlity model has the front schematic view of an embodiment that active noise is eliminated the multimedia player accessory of function;

Figure 11 b the utlity model has the front schematic view of another embodiment that active noise is eliminated the multimedia player accessory of function.

Embodiment

The utlity model has active noise in conjunction with Fig. 1 to Figure 11 b explanation and eliminate the Cellphone Accessories of function and structure and the principle of multimedia player accessory.

With reference to figure 1, eliminate from the utlity model has active noise the front schematic view of an embodiment of Cellphone Accessories of function as seen: these Cellphone Accessories comprise cell-phone cover and the earphone 3 that removably connects with cell-phone cover, wherein cell-phone cover is divided into lower cell-phone cover 1, upper cell-phone cover 2, the

accessory

15,16 that is slidingly connected between upper cell-phone cover 2 and the lower cell-phone cover 1 is established the connecting line (not shown) that connects each assembly in the upper and lower cell-phone cover in the sliding position.Pcb board 11 with active noise elimination circuit is arranged in the cell-phone cover 2, and is electrically connected with earphone jack 12 and adapter assembly 13.One end of upper cell-phone cover 2 is provided with the earphone jack 12 that cooperates with headset plug 31, the corresponding connection of corresponding stitch that each stitch of earphone jack 12 and mobile phone are connected with pcb board.Rechargeable battery 14 removably connects with lower cell-phone cover 1, and be electrically connected with pcb board 11, one end of lower cell-phone cover 1 is provided with pcb board 11 is connected the adapter assembly 13 that being used for of being electrically connected be connected with mobile phone with rechargeable battery, the effect of this adapter assembly 13 comprises to be made rechargeable battery 14 for cell-phone charging and can be in time the audio signal transmission of mobile phone be arrived pcb board 11.That is to say, when rechargeable battery 14 is connected in the cell-phone cover, except the pcb board 11 that can power to the elimination of the active noise inside the cell-phone cover, also can power to mobile phone by the adapter assembly 13 that is connected with mobile phone.After rechargeable battery 14 dismountings, can by the adapter assembly 13 that is connected with mobile phone, be powered to the pcb board 11 of the elimination of the active noise inside the cell-phone cover by battery of mobile phone.In addition, if mobile phone bottom jack has the output of handset audio signal, can be by the adapter assembly 13 that is connected with mobile phone, the pcb board 11 that the active noise that jack bottom mobile phone (replacing earphone jack 12) provides the handset audio signal to export to the cell-phone cover the inside is eliminated.Therefore adapter assembly 13 comprises electrical connection and communicates to connect two kinds of functions.

Forward Fig. 2 a to, provided and the utlity model has the embodiment side schematic view that active noise is eliminated the Cellphone Accessories of function.From this figure, as seen be arranged at the adapter assembly 13 of lower cell-phone cover 1 one ends.Adapter assembly 13 can be done corresponding design according to the interface of different mobile phones, makes the cell-phone cover of different styles can be used in the mobile phone of different styles.In addition, be provided with cellular phone power supplies key control section 18 at an end of upper cell-phone cover 2, for example leave with the gap of cellular phone power supplies key size coupling or with hollow projection.In this embodiment, pcb board 11 is arranged in the upper shell 2.

In conjunction with Fig. 2 b, eliminate at the active noise that has that provides that visible these Cellphone Accessories are not provided with rechargeable battery in the side schematic view of another embodiment of Cellphone Accessories of function, pcb board 11 obtains electric energy by the adapter assembly 13 that is attached thereto from mobile phone, and earphone 3 also obtains electric energy from mobile phone.In this embodiment, pcb board 11 is arranged in the lower house 1.From top several examples as seen: pcb board 11 can design in upper shell or lower house as required.

Forward Fig. 3 to, in conjunction with the top design of this embodiment of embodiment end face schematic view illustrating that the utlity model has active noise and eliminate the Cellphone Accessories of function.As can be seen from the figure in this embodiment, the earphone jack 121 of the first pattern comprises the first jack 1211, the second jack 1212 and the 3rd jack 1213.Wherein the first jack 1211 is used for the input of the audio signal that the conversation microphone of earphone receives, output and the ground connection of handset audio signal, the second jack 1212 is for the input of the audio signal of the ANC microphone of active noise elimination, and the 3rd jack 1213 is used for the output of the audio signal behind the active noise Processing for removing.The position of the second jack 1212 and the 3rd jack 1213 and its effect are also uncorrelated, can take different designs according to different situations.

Forward Fig. 4 to, in conjunction with the embodiment the schematic bottom view as can be known position of adapter assembly 13 and the shape of bottom that the utlity model has active noise and eliminate the Cellphone Accessories of function.The shape and size that it is pointed out that position, the bottom of adapter assembly 13 all can be according to the style of mobile phone by technical staff's designed, designed.

Fig. 5 the utlity model has the earphone 3 that active noise is eliminated the Cellphone Accessories of function.It comprises plug 311, connecting

line

33,35,36, control unit 34, earplug 32,37.Wherein, control unit 34 is used for the answering of control mobile phone, hang up the control with volume, and is for example quiet.Be provided with the voice signal that microphone is used for receiving the user in the described control unit 34.Although the plug design among this embodiment is and jack shown in Figure 3 coupling.But the technical staff can be designed to it several patterns that hereinafter will describe as required.

Forward Fig. 6 a to, describe the utlity model has the headset plug that active noise is eliminated the Cellphone Accessories of function.The headset plug of the first pattern comprises three joint 3111-3113, and three jacks with the embodiment of above-mentioned Fig. 3 are corresponding respectively.Effect in conjunction with these three joints of Fig. 6 b more detailed description.

Forward the effect that Fig. 6 b describes three joint 3111-3113 to, the first joint 3111 is connected to the second joint 3112 to the left and right acoustic channels output pin of mobile phone by connecting line, the conversation microphone input pin of mobile phone is connected to the conversation microphone of earphone 3, with the earth connection of mobile phone is connected to earphone and the 3rd joint 3113, the second joint 3112 by connecting line earphone 3 about two ANC microphones be connected to pcb board 11, be connected to pcb board 11 with the left and right acoustic channels output pin mobile phone, this left and right acoustic channels output is removed ambient noise is delivered to earphone 3 by the 3rd joint 3113 loud speaker output through pcb board 11.Connecting line 33 comprises the conversation microphone wiring of earphone 3, two ANC microphones wiring about earphone 3, audio interface ground wire, the left and right acoustic channels output connection after the removal ambient noise, ANC microphone earth connection.

Forward Fig. 7 to, describe the earplug in the Cellphone Accessories that the utlity model has active noise elimination function.In this embodiment, earplug 32 comprises ANC microphone 321, loud speaker 322, rubber column 323 and connecting line 35.Described ANC microphone is used for the reception environment noise, and described loud speaker is used for the audio-frequency information after the noise elimination is passed to the user.Corresponding with above-mentioned parts is has four groups of connecting lines in the connecting line 35, one group is connected with the ANC microphone of reception environment noise, and one group is connected with loud speaker, and one group is connected with the audio interface ground wire, and one group is connected with ANC microphone earth connection.

Then describe shown in Fig. 8 a have active noise eliminate earphone jack in the Cellphone Accessories of function and and the second embodiment of the plug that matches, the i.e. earphone jack of the second pattern and plug: earphone jack 122 and plug 312.This plug has a register 3121, and the plug middle part has four and is insulated the pin 3122-3125 that parts 3128 are separated, and comprises the left and right acoustic channels pin, conversation microphone pin and the grounding pin of earphone; Its end is insulated the left and right sides ANC microphone pin 3126-3127 that parts 3128 are separated.Register 3121 is used for determining the direction of pin 3126 and pin 3127.The jack 122 corresponding with this plug also has the position that cooperates with register, is cooperate with register 3121 hollow protruding 1221 in this embodiment, and this jack inside also has the pin 1222-1227 with the corresponding connection of each pin of plug simultaneously.

Forward Fig. 8 b to, describe to the utlity model has active noise and eliminate the headset plug 312 of an embodiment of Cellphone Accessories of function and the fit system of the jack 122 terminal joint ANC microphones that match.It is the

projection

1226 and 1227 of arc that the inner surface of jack 122 has symmetrical cross section, with reach with headset plug 312 on pin 3126 with are connected the purpose that closely is connected.Jack also has insulator spacer 1228 and is divided into symmetrical two parts.

Fig. 8 c and Fig. 8 d are two embodiment of headset plug 312 and the earth connection of the jack 122 that matches.Visible audio interface ground wire and ANC microphone earth connection are shared an earth connection 3129 from the headset plug shown in Fig. 8 c and the sectional view of jack when cooperating that match.

Visible audio interface ground wire 31211 and two earth connections of ANC Mike earth connection 31210 for being separated from each other from the headset plug shown in Fig. 8 d and the sectional view of jack when cooperating that match.

Forward Fig. 9 a to, describe to the utlity model has that active noise is eliminated earphone jack in the Cellphone Accessories of function and the 3rd pattern of the plug that matches.The plug 313 of the 3rd pattern comprises and is insulated 6 annular pin 3131-3136 that parts 3137 are split to form: the conversation microphone pin of left and right acoustic channels pin, earth connection pin, earphone, and left and right sides ANC microphone pin.Their positions on plug and order can be determined according to actual conditions.Be provided with pin 1231-1236 and above-mentioned pin corresponding matching in the jack 123 of the 3rd pattern that matches.

As seen the utlity model has from Fig. 9 b that active noise is eliminated earphone jack in the Cellphone Accessories of function and the 4th pattern of the plug that matches.This plug 314 has and is insulated 7 annular pin 3141-3147 that parts 3148 are split to form and comprises: the conversation microphone pin of left and right acoustic channels pin, earth connection pin, earphone, left and right sides ANC microphone pin and ANC microphone earth connection pin.Be provided with pin 1241-1247 and the corresponding connection of above-mentioned each pin in the jack 124 that matches.

With reference to Figure 10, eliminate from the utlity model has active noise the front schematic view of an embodiment of mobile phone of function as seen: this mobile phone comprises the pcb board 11 for the active noise elimination, the earphone jack 12 that is connected with pcb board, and the earphone 3 that removably connects with described mobile phone.Pcb board 11 with active noise elimination circuit is arranged in the mobile phone 7, is connected to power supply and the left and right acoustic channels output of mobile phone 7 by connecting line.One end of mobile phone 7 is provided with the earphone jack 12 that cooperates with earphone 3, each stitch of earphone jack 12 and the corresponding connection of the corresponding stitch of pcb board 11.The structure of earphone 3 is followed aforesaid earphone identical (Fig. 5,7) with principle, and the structure of its headset plug and corresponding earphone jack 12 is also identical with earphone jack 121-124 (Fig. 3,8a, 9a, 9b) with aforesaid headset plug 311-314 (Fig. 6 a, 8a, 9a, 9b) with principle.Behind plugged earphone 3, earphone jack 12 in the mobile phone 7 by connecting line earphone 3 about two ANC microphones be connected to pcb board 11, the simultaneously left and right acoustic channels of mobile phone 7 output is connected to pcb board 11 by connecting line, and this left and right acoustic channels output is removed ambient noise is delivered to earphone 3 by earphone jack 12 loud speaker output through pcb board 11.Although do not describe the miscellaneous part of this mobile phone, those skilled in the art can understand its physics and electric connection mode in conjunction with existing handset configuration.

With reference to figure 11a, eliminate from the utlity model has active noise the front schematic view of an embodiment of multimedia player accessory of function as seen: this multimedia player accessory comprises pedestal 4 and the earphone 3 that removably connects with described pedestal 4, pcb board 11 with active noise elimination circuit is arranged in the pedestal 4, and is electrically connected with earphone jack 12 and adapter assembly 13.Be provided with the adapter assembly 13 that cooperates with the pedestal jack 61 of multimedia player 6 in the pedestal 4, it delivers to the pcb board 11 that active noise is eliminated circuit that has in the pedestal 4 to the output of power supply and left and right acoustic channels by multimedia player 6 by connecting line.One end of pedestal 4 is provided with the earphone jack 12 that cooperates with earphone 3, each stitch of earphone jack 12 and the corresponding connection of the corresponding stitch of pcb board 11.The structure of earphone 3 is followed aforesaid earphone identical (Fig. 5,7) with principle, and the structure of its headset plug and corresponding earphone jack 12 is also identical with earphone jack 121-124 (Fig. 3,8a, 9a, 9b) with aforesaid headset plug 311-314 (Fig. 6 a, 8a, 9a, 9b) with principle.Behind plugged earphone 3, earphone jack 12 in the pedestal 4 by connecting line earphone 3 about two ANC microphones be connected to pcb board 11, the simultaneously left and right acoustic channels of multimedia player output is connected to pcb board 11 through adapter assembly 13, and this left and right acoustic channels output is removed ambient noise is delivered to earphone 3 by earphone jack 12 loud speaker output through pcb board 11.

Forward Figure 11 b to, eliminate from the utlity model has active noise the front schematic view of another embodiment of multimedia player accessory of function as seen: this multimedia player accessory comprises pedestal 4 and the earphone 3 that removably connects with described pedestal 4, pcb board 11 with active noise elimination circuit is arranged in the pedestal 4, and is electrically connected with earphone jack 12 and adapter assembly 13, attachment plug 44.Attachment plug 44 designs for some multimedia players (for example ipod nano, ipod touch), there is an earphone jack 62 on their pedestal jack 61 next doors, and attachment plug 44 cooperates earphone jacks 62 and by connecting line left and right acoustic channels output delivered to the pcb board 11 that active noise is eliminated circuit that has in the pedestal 4 by multimedia player 6.Remaining component structure and principle to catch up with the description of stating Figure 11 a identical.

In a word, have the earphone technology that active noise eliminates function on the existing market three large problems are arranged: 1. the printed circuit board (PCB) of its noise canceller circuit is placed in the control unit, can increase its apparent size, increases its weight and cost; 2. the earphone jack owing to 3.5mm on the existing market does not have power line, so some mobile phones and multimedia player, for example iPhone, ipod, can not directly eliminate control unit (for example noise canceller circuit) power supply of earphone for active noise, it is the noise canceller circuit power supply that battery need to be set in the earphone control unit, this way can increase the apparent size of earphone, increases its weight and cost; 3. consider the quantity of assembly and the restriction in space, the design of earphone control unit and large-scale production are very complicated.Mobile phone of the present utility model, Cellphone Accessories and multimedia player accessory, problem for prior art, taked respectively corresponding solution, to eliminate the apparent size of earphone of function little thereby realized having active noise, the lightweight and low beneficial effect of cost.It moves noise canceller circuit to mobile phone, cell-phone cover and multimedia player pedestal the inside from the control unit of earphone.The rechargeable battery that mobile phone has can directly be eliminated circuit supply for the active noise in the mobile phone.The rechargeable battery that cell-phone cover has can directly be eliminated circuit supply for the active noise in the cell-phone cover.Adapter assembly in the multimedia player pedestal can be eliminated circuit to the active noise that the battery of multimedia player is connected in the pedestal, is its power supply.And the quantity of the assembly in the control unit of earphone reduces and the space dwindles, and makes the design of mobile phone of the present utility model, Cellphone Accessories and multimedia player accessory and being easy to of large-scale production change.

This Cell Phone Design and Cellphone Accessories can be used for various mobile phones, and popular dull and stereotyped smart mobile phone for example is such as iPhone, HTC, Samsung, Nokia, Huawei, Motorola etc.The technical staff can design according to the style of mobile phone and disclosed content of the present utility model and thought mobile phone and the Cellphone Accessories of various patterns.

This multimedia player accessory can be used for various multimedia players with the pedestal jack, such as ipod, ipad etc.The technical staff can design according to the style of multimedia player and disclosed content of the present utility model and thought the multimedia player accessory of various patterns.

Above-mentioned " earphone " mentioned comprises all kinds of wear-types, non-headphone and all kinds of In-Ear or non-In-Ear earplug.

Below only be embodiment of the present utility model, not in order to limiting the utility model, all any modifications of in spirit of the present utility model and principle, doing, be equal to and replace or improvement etc., all should be included in the protection range of the present utility model.

Claims

1. A mobile phone accessory with an active noise cancellation function, comprising a mobile phone case (1, 2), and an earphone (3) detachably connected to the mobile phone case (1, 2), characterized in that the mobile phone The sleeves (1, 2) are provided with a PCB board (11) for active noise cancellation, an earphone jack (12) connected to the PCB board (11), and connected to the PCB board (11) for and Connector assembly (13) for mobile phone connection.

2. The mobile phone accessory with active noise cancellation function according to claim 1, characterized in that, the mobile phone accessory also includes a rechargeable battery (14), and the rechargeable battery (14) is connected to the mobile phone case ( 1, 2) are detachably connected and electrically connected to the PCB board (11) and the joint assembly (13) through the battery interface provided on the mobile phone case (1, 2).

3. The mobile phone accessory with active noise cancellation according to claim 1 or 2, characterized in that the connector assembly (13) includes a socket connected to the PCB board (11), when the jack at the bottom of the mobile phone has When the mobile phone audio signal is output, the mobile phone audio signal is output to the signal interface of the PCB board (11) for active noise cancellation.

4. The mobile phone accessory with active noise cancellation according to claim 1, characterized in that, the earphone jack (12) and the corresponding earphone plug (31) have four styles; The earphone jack (121) includes a first jack (1211) for audio signal output of the mobile phone and a second jack (1212) for audio input of active noise cancellation processing and a second jack (1212) for audio input after active noise cancellation processing A third jack for audio output (1213);

The earphone plug (311) of the first style has a first joint (3111) matched with the first jack (1211), respectively corresponding to the second jack (1212) and the third jack (1213) The second joint (3112) and the third joint (3113) of the.

5. The mobile phone accessory with active noise canceling function according to claim 4, characterized in that, the top of the earphone jack (122) of the second style is provided with a hollow protrusion (1221), and the middle part is provided with a first The insulating part (1228) isolates the first left channel pin (1222), the first right channel pin (1223), the first microphone pin (1224) and the first ground wire (1225), and the bottom end is provided with A first left ANC microphone pin (1226) and a first right ANC microphone pin (1227) with an arc-shaped cross section, which are symmetrically separated by the first insulating member (1228);

The top of the earphone plug (312) of the second style is provided with an alignment piece (3121) that matches the hollow protrusion (1221) of the earphone jack (122), and the middle part is provided with a second insulating part that is matched with the earphone jack accessories (3128) isolated second left channel pin (3122), second right channel pin (3123), call microphone pin (3124) of the second earphone, ground pin (3125), and the end is provided with The second left ANC microphone pin (3126) and the second right ANC microphone pin (3127) isolated by the second insulating part (3128), the audio ground wire (31211) and the ANC microphone ground wire (31210) share a second ground wire (3129) or be two ground wires isolated from each other.

6. The mobile phone accessory with active noise cancellation according to claim 4, characterized in that the earphone jack (123) of the third style is provided with a third left channel pin isolated by a third insulating part ( 1231), the third right channel pin (1232), the third microphone pin (1233), the third ground wire (1234), the third left ANC microphone pin (1235) and the third right ANC microphone pin ( 1236);

The post of the earphone plug (313) of the third style has a fourth left channel pin (3131), a fourth right channel pin (3131) and a fourth right channel pin ( 3132), the fourth ground wire pin (3133), the call microphone pin of the fourth earphone (3134), the fourth left ANC microphone pin (3135) and the fourth right ANC microphone pin (3136).

7. The mobile phone accessory with active noise cancellation according to claim 4, characterized in that the earphone jack (124) of the fourth style is provided with a fifth left channel pin ( 1241), the fifth right channel pin (1242), the fifth microphone pin (1243), the fifth audio ground wire (1244), the fifth ANC microphone ground wire (1245), the fifth left ANC microphone pin ( 1246) and the fifth right ANC microphone pin (1247);

The post of the earphone plug (314) of the fourth style has a sixth left channel pin (3141), a sixth right channel pin (3141) and a sixth right channel pin ( 3142), sixth microphone pin (3143), sixth audio ground wire (3144), sixth ANC microphone ground wire (3145), sixth left ANC microphone pin (3146), and sixth right ANC microphone pin ( 3147).

8. A mobile phone with an active noise cancellation function, comprising a PCB board (11) for active noise cancellation, an earphone jack (12) connected to the PCB board (11), and a mobile phone ( 7) The earphone (3) with detachable connection is characterized in that the PCB board (11) for active noise cancellation is set in the mobile phone (7), and the earphone jack (12) and connecting wire are connected to the mobile phone (7). The earphone (3) is electrically connected.

9. A multimedia player accessory with an active noise cancellation function, comprising a base (4) and an earphone (3) detachably connected to the base (4), characterized in that the base (4 ) is provided with a PCB board (11) for active noise cancellation, an earphone jack (12) connected with the PCB board (11), and a multimedia player connected with the PCB board (11) Connector assembly (13) and connecting plug (44).