CN106101926B - Mobile terminal and its printing board PCB - Google Patents
Mobile terminal and its printing board PCB Download PDFInfo
- Publication number
- CN106101926B CN106101926B CN201610508420.XA CN201610508420A CN106101926B CN 106101926 B CN106101926 B CN 106101926B CN 201610508420 A CN201610508420 A CN 201610508420A CN 106101926 B CN106101926 B CN 106101926B
- Authority
- CN
- China
- Prior art keywords
- channel
- right channel
- mobile terminal
- ground wire
- transfer line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
Abstract
The invention discloses a kind of mobile terminal and its printing board PCB, the printing board PCB includes: ontology；Pronunciation component on ontology is set, and pronunciation component is for exporting L channel voice signal and right channel sound signal；Left channel transfer line and right channel transmission line on ontology are set, and left channel transfer line is used for transmission L channel voice signal, and right channel transmission line is used for transmission right channel sound signal；Ground wire on ontology is set, and ground wire is set between left channel transfer line and right channel transmission line, and ground wire is to make L channel voice signal and right channel sound signal form false differential signal.Thus, the printing board PCB can make L channel voice signal and right channel sound signal form false differential signal, the distance before left channel transfer line and right channel transmission line is increased simultaneously, to improve the anti-interference ability of L channel voice signal and right channel sound signal, the mail of altering for effectively controlling L channel and right channel is inscribed.
Description
Technical field
The present invention relates to printed-board technology field, in particular to the printing board PCB and one of a kind of mobile terminal
Kind mobile terminal.
Background technique
In daily wiring, L channel and right channel be direct cabling to connector (for example, left channel loudspeaker and the right side
Channel loudspeaker), but above-mentioned wire laying mode signal quality is poor, sound is altered in easily formation current sound, generation.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, the first purpose of this invention is to propose a kind of printing board PCB of mobile terminal, the printed circuit
Plate PCB can make L channel voice signal and right channel sound signal form false differential signal, while increase left channel transfer
Distance before line and right channel transmission line, to improve the anti-interference energy of L channel voice signal and right channel sound signal
Power, the mail of altering for effectively controlling L channel and right channel are inscribed.
The second object of the present invention is to propose a kind of mobile terminal.
To achieve the above object, first aspect present invention embodiment proposes a kind of printing board PCB of mobile terminal,
It include: ontology；Pronunciation component on the ontology is set, and the pronunciation component is for exporting L channel voice signal and the right side
Channel sound signal；Left channel transfer line and right channel transmission line on the ontology, the left channel transfer line are set
It is used for transmission the L channel voice signal, the right channel transmission line is used for transmission the right channel sound signal, wherein institute
The one end for stating left channel transfer line and the right channel transmission line is connected with pronunciation component, the left channel transfer line it is another
End connection left channel loudspeaker, the other end of the right channel transmission line connect right channel loudspeaker；Setting the ontology it
On ground wire, the ground wire is set between the left channel transfer line and the right channel transmission line, and the ground wire is to make
The L channel voice signal and the right channel sound signal form false differential signal.
The printing board PCB of mobile terminal according to an embodiment of the present invention, the pronunciation component being arranged on ontology are defeated
The left channel transfer line transmission L channel sound letter on ontology is arranged in L channel voice signal and right channel sound signal out
Number, the right channel transmission line right channel sound signal on ontology is set, the ground wire on ontology is set, and ground wire is set
It is placed between left channel transfer line and right channel transmission line, ground wire is to make L channel voice signal and right channel sound signal shape
At false differential signal.The printing board PCB can be such that L channel voice signal and right channel sound signal is formed false poor as a result,
Sub-signal, while the distance before left channel transfer line and right channel transmission line is increased, to improve L channel sound letter
Number and right channel sound signal anti-interference ability, effectively control L channel and right channel alters mail topic.
In addition, the printing board PCB of above-mentioned mobile terminal can also have following additional technology special according to the present invention
Sign:
In one embodiment of the invention, the width of the ground wire is 0.3-0.5mm.
In one embodiment of the invention, the left channel loudspeaker is left ear earphone, and the right channel loudspeaker is
Auris dextra earphone.
In one embodiment of the invention, the ground wire and the left channel transfer line and the right channel transmission line it
Between distance be twice of described ground line width.
In one embodiment of the invention, one end of the ground wire connects the pronunciation component.
To achieve the goals above, it includes: the present invention that second aspect of the present invention embodiment, which proposes a kind of mobile terminal,
The printing board PCB of the mobile terminal of one side embodiment.
The mobile terminal of the embodiment of the present invention can make L channel sound by the printing board PCB of above-mentioned mobile terminal
Sound signal and right channel sound signal form false differential signal, while before increasing left channel transfer line and right channel transmission line
Distance effectively control L channel to improve the anti-interference ability of L channel voice signal and right channel sound signal
It is inscribed with the mail of altering of right channel.
Above-mentioned mobile terminal can also have the following additional technical features:
In one embodiment of the invention, the mobile terminal includes mobile phone or tablet computer.
The advantages of additional aspect of the invention, will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is the block diagram of the printing board PCB of mobile terminal according to an embodiment of the invention.
Fig. 2 is the schematic diagram of the printing board PCB of the mobile terminal of a specific example according to the present invention.
Fig. 3 is the block diagram of the printing board PCB of mobile terminal in accordance with another embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The mobile terminal proposed according to embodiments of the present invention and its printing board PCB described with reference to the accompanying drawings.
Fig. 1 is the block diagram of the printing board PCB of mobile terminal according to an embodiment of the invention.
As shown in Figure 1, the printing board PCB of the mobile terminal includes: ontology 100, pronunciation component 110, L channel biography
Defeated line 120, right channel transmission line 130 and ground wire 140.
Wherein, the pronunciation component 110 on ontology 100 is set for exporting L channel voice signal and right channel sound
Signal.Left channel transfer line 120 and right channel transmission line 130 on ontology 100 are set, and left channel transfer line 120 is used for
L channel voice signal is transmitted, right channel transmission line 130 is used for transmission right channel sound signal, wherein left channel transfer line 120
It is connected with pronunciation component 110 with one end of right channel transmission line 130, the other end of left channel transfer line 120 connects L channel
The other end of loudspeaker, right channel transmission line 130 connects right channel loudspeaker.Ground wire 140 on ontology 100, ground are set
Line 140 is set between left channel transfer line 120 and right channel transmission line 130, ground wire 140 to make L channel voice signal and
Right channel sound signal forms false differential signal.Wherein, left channel loudspeaker can be left ear earphone, and right channel loudspeaker is the right side
The width of ear earphone, ground wire 140 can be 0.3-0.5mm, such as the width of ground wire 140 can be 0.4mm.
Specifically, as shown in Fig. 2, after printing board PCB powers on, pronunciation component 110 exports L channel voice signal
With right channel sound signal, when L channel voice signal transmits in left channel transfer line 120, right channel sound signal is simultaneously
It is transmitted in right channel transmission line 130, at this point, L channel voice signal and right channel transmission line in left channel transfer line 120
Right channel sound signal in 130 may generate " common mode interference " phenomenon, believe L channel voice signal and right channel sound
Number quality be deteriorated, easily formation current sound, generation alter sound.
For this purpose, ground wire 140 is set between left channel transfer line 120 and right channel transmission line 130 by the present invention, so that left
Channel sound signal and right channel sound signal form false differential signal, to inhibit common mode interference, to improve L channel sound
The anti-interference ability of sound signal and right channel sound signal, the mail of altering for effectively controlling L channel and right channel are inscribed.And it will
Ground wire 140 is set between left channel transfer line 120 and right channel transmission line 130, virtually increases left channel transfer line 120
With the distance before right channel transmission line 130, further improves L channel voice signal and the anti-of right channel sound signal is done
Disturb ability.Wherein, which is example, and specific structure is with no restrictions.
Further, in an embodiment of the present invention, ground wire 140 and left channel transfer line 120 and right channel transmission line 130
The distance between can be twice of 140 width of ground wire, that is, 3W (3Width) wiring rule can reduce altering between line and line
It disturbs.
It in one embodiment of the invention, can as shown in figure 3, one end of ground wire 140 can connect pronunciation component 110
Guarantee that the earth-return of pronunciation component 110 is nearest.
The printing board PCB of mobile terminal according to an embodiment of the present invention, the pronunciation component being arranged on ontology are defeated
The left channel transfer line transmission L channel sound letter on ontology is arranged in L channel voice signal and right channel sound signal out
Number, the right channel transmission line right channel sound signal on ontology is set, the ground wire on ontology is set, and ground wire is set
It is placed between left channel transfer line and right channel transmission line, ground wire is to make L channel voice signal and right channel sound signal shape
At false differential signal.The printing board PCB can be such that L channel voice signal and right channel sound signal is formed false poor as a result,
Sub-signal, while the distance before left channel transfer line and right channel transmission line is increased, to improve L channel sound letter
Number and right channel sound signal anti-interference ability, effectively control L channel and right channel alters mail topic.
In order to realize above-described embodiment, the present invention also proposes a kind of mobile terminal comprising the printing of above-mentioned mobile terminal
Circuit board PCB.Wherein, mobile terminal may include mobile phone or tablet computer.
The mobile terminal of the embodiment of the present invention can make L channel sound by the printing board PCB of above-mentioned mobile terminal
Sound signal and right channel sound signal form false differential signal, while before increasing left channel transfer line and right channel transmission line
Distance effectively control L channel to improve the anti-interference ability of L channel voice signal and right channel sound signal
It is inscribed with the mail of altering of right channel.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (6)
1. a kind of printing board PCB of mobile terminal characterized by comprising
Ontology；
Pronunciation component on the ontology is set, and the pronunciation component is used for while exporting L channel voice signal and right sound
Road voice signal；
Left channel transfer line and right channel transmission line on the ontology are set, and the left channel transfer line is used for transmission institute
L channel voice signal is stated, the right channel transmission line is used for transmission the right channel sound signal, wherein the L channel passes
One end of defeated line and the right channel transmission line is connected with pronunciation component, and the other end of the left channel transfer line connects left sound
The other end of road loudspeaker, the right channel transmission line connects right channel loudspeaker, wherein one end of ground wire connects the pronunciation
Element；
Ground wire on the ontology is set, and the ground wire is set to the left channel transfer line and the right channel transmission line
Between, the ground wire is to make the L channel voice signal and the right channel sound signal form false differential signal.
2. such as the PCB of claim 1 mobile terminal, which is characterized in that the width of the ground wire is 0.3-0.5mm.
3. such as the PCB of claim 1 mobile terminal, which is characterized in that the left channel loudspeaker is left ear earphone, the right sound
Road loudspeaker is auris dextra earphone.
4. such as the PCB of claim 1 mobile terminal, which is characterized in that the ground wire and the left channel transfer line and the right side
The distance between channel transfer line is twice of described ground line width.
5. a kind of mobile terminal, which is characterized in that the printing electricity including mobile terminal such as of any of claims 1-4
Road plate PCB.
6. mobile terminal as claimed in claim 5, which is characterized in that the mobile terminal includes mobile phone or tablet computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610508420.XA CN106101926B (en) | 2016-06-28 | 2016-06-28 | Mobile terminal and its printing board PCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610508420.XA CN106101926B (en) | 2016-06-28 | 2016-06-28 | Mobile terminal and its printing board PCB |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106101926A CN106101926A (en) | 2016-11-09 |
| CN106101926B true CN106101926B (en) | 2019-10-15 |
Family
ID=57214843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610508420.XA Active CN106101926B (en) | 2016-06-28 | 2016-06-28 | Mobile terminal and its printing board PCB |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106101926B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106375525A (en) * | 2016-11-30 | 2017-02-01 | 深圳天珑无线科技有限公司 | Anti-jamming circuit |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6486405B2 (en) * | 2000-12-01 | 2002-11-26 | Hon Hai Precision Ind. Co., Ltd. | Arrangement of differential pair for eliminating crosstalk in high speed application |
| US7145083B2 (en) * | 2004-07-13 | 2006-12-05 | Nortel Networks Limited | Reducing or eliminating cross-talk at device-substrate interface |
| CN2875008Y (en) * | 2005-05-12 | 2007-02-28 | 上海环达计算机科技有限公司 | Electromagnetic interference preventing circuit of audio interface |
| CN101043788A (en) * | 2006-03-21 | 2007-09-26 | 鸿富锦精密工业（深圳）有限公司 | Printed circuit boards |
| CN102098868A (en) * | 2010-12-24 | 2011-06-15 | 鸿富锦精密工业（深圳）有限公司 | Circuit board |
| CN203951010U (en) * | 2014-06-03 | 2014-11-19 | 涂征辉 | A kind of audio connecting cord with anti-jamming circuit |
| CN204669595U (en) * | 2015-05-27 | 2015-09-23 | 深圳万思佳电器有限公司 | Anti-interference audio connector |
-
2016
- 2016-06-28 CN CN201610508420.XA patent/CN106101926B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106101926A (en) | 2016-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7201618B2 (en) | Controlled mode conversion connector for reduced alien crosstalk | |
| CN1691433B (en) | Alien next compensation for adjacently placed connectors | |
| CN100396166C (en) | Improved structure of high-frequency signal circuit board | |
| CN205883702U (en) | Avoid via hole back drilling's PCB wiring structure | |
| CN208210411U (en) | Flexible circuit board | |
| CN106101926B (en) | Mobile terminal and its printing board PCB | |
| CN107027079A (en) | Necklet-type bluetooth earphone | |
| CN102083277A (en) | Printed circuit board and wiring method thereof | |
| CN108702341A (en) | sending device, sending method and communication system | |
| CN106532268B (en) | A kind of antenna structure and mobile terminal | |
| CN105101642B (en) | A kind of method and multi-layer PCB board for increasing multi-layer PCB board metal foil area | |
| CN103648073A (en) | Flat-membrane-structured micro loudspeaker | |
| CN204190763U (en) | Twisted-pair feeder transmits the device of DC power supply | |
| CN205900266U (en) | Modified network signal transformer | |
| CN202601348U (en) | Coil structure | |
| CN105552520B (en) | A kind of antenna and the electric terminal including the antenna | |
| CN109326424B (en) | Coil, wireless power transmitter and receiver, near field communicator, and electronic device | |
| CN101489347A (en) | Electric apparatus and its impedance control method | |
| CN106330466B (en) | Ethernet receiving end circuit and the RJ45 connector for applying it | |
| CN204968238U (en) | Based on PCB wiring board circuit and PCB wiring board | |
| CN209358006U (en) | Multimedia connector structure | |
| US8456457B2 (en) | Printed circuit board | |
| CN110518341A (en) | The antenna structure and intelligent terminal of intelligent terminal | |
| CN106604520B (en) | Printed circuit board arrangement | |
| CN205231280U (en) | Car wiring harness's mount |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: Changan town in Guangdong province Dongguan 523859 usha Beach Road No. 18 Applicant before: Guangdong OPPO Mobile Communications Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |