CN106374188A - Mobile communication device and back cover thereof - Google Patents
Mobile communication device and back cover thereof Download PDFInfo
- Publication number
- CN106374188A CN106374188A CN201610750165.XA CN201610750165A CN106374188A CN 106374188 A CN106374188 A CN 106374188A CN 201610750165 A CN201610750165 A CN 201610750165A CN 106374188 A CN106374188 A CN 106374188A
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- Prior art keywords
- antenna
- low frequency
- call
- call antenna
- high frequency
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- 238000010295 mobile communication Methods 0.000 title claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 36
- 238000002955 isolation Methods 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 abstract description 10
- 230000008859 change Effects 0.000 description 10
- 230000000875 corresponding effect Effects 0.000 description 10
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 150000002343 gold Chemical class 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Support Of Aerials (AREA)
- Transceivers (AREA)
- Telephone Set Structure (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a back cover of a mobile communication device, which comprises a metal cover body, a communication antenna and an insulating isolation part for connecting the metal cover body and the communication antenna. The metal cover body is provided with a back plate and a ring side plate connected to the periphery of the back plate, the ring side plate is provided with two side plates, a top plate and a bottom plate, and the edge of the bottom plate far away from the back plate is concavely provided with a notch. The communication antenna is located in the recess, and a part of the edge of the communication antenna and the inner wall of the recess face each other, and a slot is formed in the edge of the communication antenna facing the inner wall of the recess. The insulating isolation part is connected with the inner wall of the notch and the edge of the communication antenna facing the inner wall of the notch, so that the communication antenna is electrically isolated from the metal cover body through the insulating isolation part. In addition, the invention also provides a mobile communication device.
Description
Priority
With the applying date on 2 24th, 2016, the TaiWan, China patent of Application No. 105105435 is preferential to the present invention
Power.
Technical field
The present invention is a kind of relevant communication device, and in particular to a kind of mobile communication device and its back-cover.
Background technology
Commonly use the metal back cover that mobile communication device is used, its ring including backboard and being connected in above-mentioned backboard periphery
Side plate, metal back cover be mostly formed with corresponding to Anneta module slotted eye and corresponding to functional unit (such as: image pick-up device, connection
Device) mating holes.Wherein, the slotted eye above-mentioned metal back cover backboard being formed can in order to the resonant cavity as Anneta module, with
The signal avoiding Anneta module is completely shielded by above-mentioned backboard.However, the slotted eye of described backboard not only needs extra processing,
And also above-mentioned slotted eye need to be filled up with plastic material, to maintain the attractive in appearance of backboard.
Then, can the improving of the above-mentioned disappearance of the present inventor's thoughts, is that spy concentrates on studies and coordinates the utilization of scientific principle, finally carries
Go out a kind of present invention reasonable in design and being effectively improved above-mentioned disappearance.
Content of the invention
The embodiment of the present invention is to provide a kind of mobile communication device and its back-cover, and it can efficiently solve, and commonly using takes action leads to
The problem that news device is also easy to produce.
The embodiment of the present invention provides a kind of mobile communication device, comprising: a device body, it includes: a framework；One receipts
Words module and is given orders or instructions module, is respectively arranged at the two opposite sides of this framework；One circuit board, is installed on this framework；And one connection
Device, is installed on this circuit board and is adjacent to this receipts words module；And a back-cover, it is installed in this framework and cover this circuit board,
This back-cover includes: a metal cap body, has a backboard and the ring side plate being connected in this backboard periphery, and neighbouring this receipts words
This ring side plate position of module is formed with a recess from its edge is recessed, and an interface of this adapter is exposed through this recess
Outside this metal cap body；One call antenna, is suitable to produce a high frequency mode and a low frequency modal, this call antenna is located at this gold
Belong in this recess of lid, and the part edge of this call antenna is with this recess inwall toward each other, this adapter neighbouring
This call antenna edge is formed with a slotted eye, and this adapter at least part of be exposed to through this slotted eye this call antenna it
Outward；And one be dielectrically separated from portion, connect this recess inwall and this call antenna edge towards this recess inwall, so that this call sky
Line is dielectrically separated from portion via this and electrically isolates from this metal cap body.
The embodiment of the present invention separately provides a kind of back-cover of mobile communication device, comprising: a metal cap body, have a backboard and
It is connected in a ring side plate of this backboard periphery, this ring side plate has biside plate, a top board and a base plate, being somebody's turn to do away from this backboard
Bottom edge is recessed to be formed with a recess；One call antenna, is suitable to produce a high frequency mode and a low frequency modal, this call sky
Line is located in this recess of this metal cap body, and the part edge of this call antenna is with this recess inwall toward each other, towards
This call antenna edge of this recess inwall is formed with a slotted eye；And one be dielectrically separated from portion, connect this recess inwall and towards
This call antenna edge of this recess inwall, so that this call antenna is dielectrically separated from portion via this and electrically isolates from this crown cap
Body.
In sum, the embodiment of the present invention is provided mobile communication device and its back-cover, antenna of conversing is via insulation
Isolation part setting ring side plate bottom, so that call antenna can penetrate into the transmitting-receiving of row signal and not affected by metal cap body, is used
The backboard making metal cap body additionally need not be processed in response to communication antenna.
Brief description
Fig. 1 is the schematic perspective view of mobile communication device of the present invention.
Fig. 2 is the schematic perspective view at another visual angle of Fig. 1.
Fig. 3 is the decomposing schematic representation of Fig. 1.
Fig. 4 is the back-cover schematic perspective view of mobile communication device of the present invention.
Fig. 5 is the schematic perspective view of another embodiment of mobile communication device of the present invention.
Fig. 6 is the schematic perspective view of the another embodiment of mobile communication device of the present invention.
Fig. 7 is the function block schematic diagram of mobile communication device of the present invention.
In figure:
100 mobile communication devices
1 device body
11 frameworks
12 circuit boards
13 receive words module
14 give orders or instructions module
15 adapters
151 interfaces
2 back-cover
21 metal cap body
211 backboards
212 ring side plates
2121 side plates
2122 top boards
2123 base plates
213 recesses
22 call antennas
221 slotted eyes
222 kinks
23 are dielectrically separated from portion
3 high-frequency switchers
31 high frequency match circuits
311 high frequency electronic circuits
32 high frequency switching circuits
4 low frequency switch
41 low frequency match circuits
411 low frequency electronic circuits
42 low frequency switching circuits
S signal feeder line
G ground path
F load point
Specific embodiment
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
Refer to Fig. 1 to Fig. 4 and Fig. 7, it is one embodiment of the invention, need to first illustrate, the present embodiment corresponding diagram
The mentioned correlated measure of formula and external form, only in order to specifically describe embodiments of the present invention, in order to understand its content, and
It is not used to limit to the interest field of the present invention.
As shown in Figure 1 to Figure 3, the present embodiment is a kind of mobile communication device 100 (such as: intelligent mobile phone), including a dress
Put body 1, be separably connected to a back-cover 2 of said apparatus body 1 and be installed on a high-frequency switcher 3 of device body 1
With a low frequency switch 4.
Wherein, described device body 1 includes a framework 11, the circuit board 12 being installed on framework 11, is arranged at framework
One receipts words module 13 of 11 two opposite sides is given orders or instructions module 14 and be installed on circuit board 12 and be adjacent to receive and talk about the one of module 13 with one
Adapter 15.Need to first illustrate, described device body 1 also includes display module (sign) and battery module (figure is slightly) etc.
Other assemblies, not in this to go forth.
Further say, the outer margin contour of described framework 11 is generally rectangular shaped, and the material of framework 11 is preferably plastics.
Described framework 11 refers to provide the support of bearing function in the present embodiment, and the construction here of framework 11 is not limited
System.Each electronic component that described circuit board 12 is installed in framework 11, and mobile communication device 100 is directly or indirectly electric
Property is connected to circuit board 12.The outer margin contour of described circuit board 12 is less than the outer margin contour of framework 11, described receipts words module 13 and
Module of giving orders or instructions 14 is electrically connected at circuit board 12 and is respectively adjacent to the top in framework 11 and bottom.Described adapter 15 is installed
In the bottom of circuit board 12, and the type here of adapter 15 is not any limitation as.Additionally, being also provided with number on described circuit board 12
Individual functional unit (sign), the e.g. assembly such as image pick-up device, flash lamp and on ＆ off switch, not in this to go forth.
As Fig. 3 and Fig. 4, described back-cover 2 is installed in framework 11 and covers circuit board 12, and a grafting of described adapter 15
Mouth 151 is exposed to outside back-cover 2.Described back-cover 2 includes in a metal cap body 21, call antenna 22 and seamless connection
State metal cap body 21 and the one of call antenna 22 and be dielectrically separated from portion 23.Wherein, described metal cap body 21 has a backboard 211 and phase
It is connected in a ring side plate 212 of backboard 211 periphery, neighbouring ring side plate 212 position receiving words module 13 is formed with from its edge is recessed
The recess 213 of one elongated.Further say, above-mentioned ring side plate 212 has two opposite side plates 2121, a top board 2122 and
Base plate 2123, described receipts talks about being located away from top board 2122 and being adjacent to base plate 2123 of module 13, and the bottom away from backboard 211
Plate 2123 edge is recessed to be formed with above-mentioned recess 213, and the interface 151 of described adapter 15 is then exposed to gold through recess 213
Belong to outside lid 21.
Need to remark additionally, on the backboard 211 of described metal cap body 21, unshaped has any plastic material, and metal
The backboard 211 of lid 21 be formed without electrical or structurally corresponding in call antenna 22 or other antennas (such as: gps antenna or
Wifi antenna) any slotted eye.That is, the backboard 211 of the metal cap body 21 of the present embodiment indication be simply formed with corresponding to
The mating holes (sign) of those functional units (such as: image pick-up device or flash lamp).
Described call antenna 22 is suitable to produce a high frequency mode and a low frequency modal, and antenna 22 of conversing is in the present embodiment
In be to be described the call antenna 22 exclusion gps antenna or wifi antenna that is to say, that the present embodiment with gsm antenna.Its
In, described call antenna 22 be in elongated and be located at metal cap body 21 recess 213 in, and the part edge of antenna 22 of conversing with
Recess 213 inwall is toward each other.Further say, call antenna 22 edge of neighbouring described adapter 15 (that is, towards recess
Call antenna 22 edge of 213 inwalls) recessed be formed with a slotted eye 221, and the external form corresponding (being equal to) of above-mentioned slotted eye 221 in
The local external form of adapter 15, and adapter 15 at least part of be exposed to back-cover 2 through slotted eye 221 outside.
Furthermore, after described back-cover 2 is attached to the framework 11 of device body 1, described call antenna 22 can be via various
Mode is electrically connected at the signal feeder line s and ground path g of circuit board 12.For example (refer to Fig. 7), described circuit
Signal feeder line s on plate 12 can be connected to the load point f of call antenna 22 through shell fragment (figure is slightly)；And the connecing of circuit board 12
Ground circuit g is connected to high-frequency switcher 3 and low frequency switch 4, and described high-frequency switcher 3 and low frequency switch 4 again via
Shell fragment (figure is slightly) is connected to the earth point of call antenna 22.
The described portion 23 that is dielectrically separated from connects recess 213 inwall of metal cap body 21 and the call towards recess 213 inwall
Antenna 22 edge, so that call antenna 22 electrically isolates from metal cap body 21 via the portion that is dielectrically separated from 23.Wherein, described insulation
The thickness of the thickness of isolation part 23, the thickness of call antenna 22 and ring side plate 212 is all roughly the same, uses the interior table making back-cover 2
Face and outer surface are all even curface (not having standing shape).Furthermore, the call antenna not coated by the portion that is dielectrically separated from 23
22 edges (call antenna 22 top edge as in Fig. 4) preferably trim in ring side plate 212 edge away from backboard 211, and
Described call antenna 22 is substantially covered with more than the 80% of 213 encircling spaces of recess.
Though additionally, the back-cover 2 illustrated by above example is so that antenna 22 of conversing is located at base plate 2123 as a example, in reality
During application, the length of described call antenna 22, shape and position all can be adjusted according to the demand of designer, not with
Construction shown in Fig. 2 is limited.For example, the present invention separately provides following two kinds of alternate embodiment (as Fig. 5 and Fig. 6):
Refer to shown in Fig. 5, base plate 2123 edge away from backboard 211 and wherein side plate 2121 edge recessed shape jointly
Become and have described recess 213, call antenna 22 is substantially covered with more than the 80% of above-mentioned 213 encircling spaces of recess.Wherein, described logical
Words antenna 22 is formed with a substantially rectangular kink 222, and the position of above-mentioned kink 222 corresponds to and is formed with recess
The position that 213 base plate 2123 is adjoined one another with both side plates 2121.
Refer to shown in Fig. 6, base plate 2123 edge away from backboard 211 and biside plate 2121 edge is jointly recessed is formed with
Described recess 213, call antenna 22 is substantially covered with more than the 80% of above-mentioned 213 encircling spaces of recess.Wherein, described call
Antenna 22 is formed with two substantially rectangular kinks 222, and the position of above-mentioned two kinks 222 corresponds respectively to base plate
2123 with the connecting part of above-mentioned biside plate 2121.
Refer to Fig. 3 and Fig. 7, position is contrary in above-mentioned adapter 15 respectively with low frequency switch 4 for described high-frequency switcher 3
Both sides, above-mentioned high-frequency switcher 3 and low frequency switch 4 are preferably directly arranged on circuit board 12, and high-frequency switcher 3 with low
Frequency switch 4 is electrically connected at the ground path of circuit board 12, but is not only restricted to this.
In more detail, described high-frequency switcher 3 has a high frequency match circuit 31 and a high frequency switching circuit 32, on
State high frequency match circuit 31 and there are several high frequency electronic circuits 311, and one end of those high frequency electronic circuits 311 is electrically connected at electricity
The ground path g of road plate 12, and the other end of those high frequency electronic circuits 311 is respectively formed with a high frequency electrical contact (sign).
Described high frequency switching circuit 32 is electrically connected at call antenna 22, and high frequency switching circuit 32 can be selectively connected to those
At least one of high frequency electrical contact, to be connected to this high frequency electrical contact of high frequency switching circuit 32, corresponding to it
High frequency electronic circuit 311 can with call antenna 22 carry out impedance matching, thus change call antenna 22 high frequency mode center
Frequency.
In other words, because each high frequency electronic circuit 311 of the present embodiment is provided with different inductance, thus work as described high frequency
, when high frequency mode carries out impedance matching, each high frequency electronic circuit 311 can make call antenna 22 for distribution road 31 and call antenna 22
The mid frequency of high frequency mode be different each other numerical value (that is, change the resonance mode in high frequency for the call antenna 22).According to
This, designer can pass through inductance (and electric capacity) parameter rationally arranging each high frequency electronic circuit 311 in described high frequency match circuit 31,
And then change the mid frequency of the high frequency mode of call antenna 22.
Supplementary notes a bit, described call antenna 22 high frequency mode bandwidth between 1700mhz to 2700mhz,
That is, described call antenna 22 can make the mid frequency of its high frequency mode in 1700mhz extremely through high-frequency switcher 3
Change between 2700mhz, and the call antenna 22 of the present embodiment has the antenna efficiency not less than -5db when high frequency mode.
Described low frequency switch 4 has a low frequency match circuit 41 and a low frequency switching circuit 42, above-mentioned low frequency coupling
Circuit 41 has several low frequency electronic circuits 411, and one end of those low frequency electronic circuits 411 is electrically connected at connecing of circuit board 12
Ground circuit g, and the other end of those low frequency electronic circuits 411 is respectively formed with a low frequency electrical contact (sign).Described low frequency is cut
Change circuit 42 and be electrically connected at call antenna 22, and low frequency switching circuit 42 can be selectively connected to those low frequencies and be electrically connected with
At least one of point, to be connected to this low frequency electrical contact of low frequency switching circuit 42, its corresponding low frequency electricity
Road 411 can carry out impedance matching with call antenna 22, thus changing the mid frequency of the low frequency modal of call antenna 22.
In other words, because each low frequency electronic circuit 411 of the present embodiment is provided with different inductance, thus work as described low frequency
, when low frequency modal carries out impedance matching, each low frequency electronic circuit 411 can make call antenna 22 for distribution road 41 and call antenna 22
The mid frequency of low frequency modal be different each other numerical value (that is, change the resonance mode in low frequency for the call antenna 22).According to
This, designer can pass through the inductance parameters rationally arranging each low frequency electronic circuit 411 in described low frequency match circuit 41, and then changes
The mid frequency of the low frequency modal of call antenna 22.
Supplementary notes a bit, described call antenna 22 low frequency modal bandwidth between 698mhz to 960mhz,
That is, described call antenna 22 can make the mid frequency of its low frequency modal in 698mhz extremely through low frequency switch 4
Change between 960mhz, and the call antenna 22 of the present embodiment has the antenna efficiency not less than -7db when low frequency modal.
Additionally, the high frequency switching circuit 32 shown in Fig. 7 and low frequency switching circuit 42 are all (not marked with single switching switch
Show) be connected to corresponding high frequency electrical contact or low frequency electrical contact as a example, but described in the present embodiment high frequency switching electricity
Road 32 or low frequency switching circuit 42 are not excluded for multiple switching switches and are simultaneously coupled to corresponding electrical contact, use change call
The high frequency mode of antenna 22 or the mid frequency of low frequency modal.
In sum, the embodiment of the present invention is provided mobile communication device and its back-cover, antenna of conversing is via insulation
Isolation part setting ring side plate bottom, so that call antenna can penetrate into the transmitting-receiving of row signal and not affected by metal cap body, is used
The backboard making metal cap body additionally need not be processed in response to communication antenna.Furthermore, described call antenna can be according to designer
Demand and set up kink, to reach the laser propagation effect of required high-frequency signals and low-frequency signal.
Separately, the mobile communication device that the embodiment of the present invention is provided can be electrically connected at high-frequency switcher through call antenna
With low frequency switch, to change the call high frequency mode of antenna or the mid frequency of low frequency modal, and then make the structure of call antenna
Make beneficial to the ring side plate being arranged at metal cap body.
The foregoing is only the preferable possible embodiments of the present invention, it is simultaneously not used to limit to the scope of the claims of the present invention, all
The impartial change done according to scope of the present invention patent and modification, all should belong to the covering scope of the present invention.
Claims (10)
1. a kind of mobile communication device, comprising:
One device body, it includes:
One framework；
One receives words module and gives orders or instructions module, is respectively arranged at the two opposite sides of this framework；
One circuit board, is installed on this framework；And
A connector, is installed on this circuit board and is adjacent to this receipts words module；
And
One back-cover, is installed in this framework and covers this circuit board, this back-cover includes:
One metal cap body, has a backboard and the ring side plate being connected in this backboard periphery, and this receipts neighbouring talks about being somebody's turn to do of module
Ring side plate position is formed with a recess from its edge is recessed, and an interface of this adapter is exposed to this metal through this recess
Outside lid；
One call antenna, is suitable to produce a high frequency mode and a low frequency modal, this call antenna be located at this metal cap body this is recessed
In mouthful, and the part edge of this call antenna is with this recess inwall toward each other, this call antenna side of this adapter neighbouring
Edge is formed with a slotted eye, and this adapter at least part of be exposed to this call antenna through this slotted eye outside；And one insulation every
From portion, connect this recess inwall and this call antenna edge towards this recess inwall, so that this call antenna is via this insulation
Isolation part and electrically isolate from this metal cap body.
2. mobile communication device as claimed in claim 1, wherein, this ring side plate has biside plate, a top board and a base plate,
This receipts talks about being located away from this top board and being adjacent to this base plate of module；This bottom edge away from this backboard recessed is formed with this
Recess, this call antenna is substantially covered with more than the 80% of this recess institute encircling space.
3. mobile communication device as claimed in claim 1, wherein, this ring side plate has biside plate, a top board and a base plate,
This receipts talks about being located away from this top board and being adjacent to this base plate of module；This bottom edge away from this backboard and at least one this side
Edges of boards edge is jointly recessed to be formed with this recess, and this call antenna is substantially covered with more than the 80% of this recess institute encircling space, and
This call antenna is formed with least one substantially rectangular kink, and the position of this at least one kink is recessed corresponding to being formed with this
This base plate of mouth and this position that at least side plate adjoins one another.
4. mobile communication device as claimed in claim 1, it further includes to be arranged at a high frequency switching of this circuit board
Device；Wherein, this high-frequency switcher has:
One high frequency match circuit, has several high frequency electronic circuits, and one end of those high frequency electronic circuits is electrically connected at this electricity
One ground path of road plate, and the other end of those high frequency electronic circuits is respectively formed with a high frequency electrical contact；
And
One high frequency switching circuit, is electrically connected at this call antenna, and this high frequency switching circuit can be selectively connected to this
At least one of a little high frequency electrical contacts, to be connected to this high frequency electrical contact of this high frequency switching circuit, its institute is right
This high frequency electronic circuit answered can carry out impedance matching with this call antenna, thus in changing this high frequency mode of this call antenna
Frequency of heart.
5. mobile communication device as claimed in claim 4, wherein, it further includes to be arranged at a low frequency of this circuit board
Switch；Wherein, this low frequency switch has:
One low frequency match circuit, has several low frequency electronic circuits, and one end of those low frequency electronic circuits is electrically connected at this electricity
This ground path of road plate, and the other end of those low frequency electronic circuits is respectively formed with a low frequency electrical contact；
And
One low frequency switching circuit, is electrically connected at this call antenna, and this low frequency switching circuit can be selectively connected to this
At least one of a little low frequency electrical contacts, to be connected to this low frequency electrical contact of this low frequency switching circuit, its institute is right
This low frequency electronic circuit answered can carry out impedance matching with this call antenna, thus in changing this low frequency modal of this call antenna
Frequency of heart.
6. mobile communication device as claimed in claim 5, wherein, this high-frequency switcher and this low frequency switch difference position are at this
The two opposite sides of adapter.
7. mobile communication device as claimed in claim 5, wherein, the bandwidth of this high frequency mode of this call antenna between
Between 1700mhz to 2700mhz, this call antenna has the antenna efficiency not less than -5db, this call when this high frequency mode
Between 698mhz to 960mhz, this call antenna has not little when this low frequency modal the bandwidth of this low frequency modal of antenna
Antenna efficiency in -7db.
8. the mobile communication device as any one of claim 1 to 7, wherein, is not coated by this portion of being dielectrically separated from
This call antenna edge trims in this ring side board edge away from this backboard；On this backboard of this metal cap body unshaped have any
Plastic material, and this backboard of this metal cap body is formed without electrical or structurally corresponding any groove in this call antenna
Hole.
9. mobile communication device as claimed in claim 8, wherein, the thickness of this call antenna, this be dielectrically separated from portion thickness,
And the thickness of this ring side plate is all roughly the same, the external form of this slotted eye is equal at least local external form of this adapter.
10. a kind of back-cover of mobile communication device, comprising:
One metal cap body, has a backboard and the ring side plate being connected in this backboard periphery, and this ring side plate has biside plate, a top
Plate and a base plate, this bottom edge away from this backboard recessed is formed with a recess；
One call antenna, is suitable to produce a high frequency mode and a low frequency modal, this call antenna be located at this metal cap body this is recessed
In mouthful, and the part edge of this call antenna is with this recess inwall toward each other, towards this call antenna of this recess inwall
Edge is formed with a slotted eye；And
One is dielectrically separated from portion, connects this recess inwall and this call antenna edge towards this recess inwall, so that this call sky
Line is dielectrically separated from portion via this and electrically isolates from this metal cap body.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105105435 | 2016-02-24 | ||
| TW105105435A TW201731363A (en) | 2016-02-24 | 2016-02-24 | Mobile communication device and rear cover thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106374188A true CN106374188A (en) | 2017-02-01 |
Family
ID=57904281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610750165.XA Pending CN106374188A (en) | 2016-02-24 | 2016-08-29 | Mobile communication device and back cover thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106374188A (en) |
| TW (1) | TW201731363A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107635035A (en) * | 2017-10-13 | 2018-01-26 | 广东欧珀移动通信有限公司 | Housing unit and mobile terminal |
| CN109302519A (en) * | 2017-07-24 | 2019-02-01 | 三星电子株式会社 | The method of the shell of electronic equipment and the manufacture electronic equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112886213B (en) * | 2019-11-29 | 2023-02-28 | RealMe重庆移动通信有限公司 | Wearable electronic equipment |
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| CN1542586A (en) * | 2003-04-28 | 2004-11-03 | 明基电通股份有限公司 | Notebook computer with a turnable display module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109302519A (en) * | 2017-07-24 | 2019-02-01 | 三星电子株式会社 | The method of the shell of electronic equipment and the manufacture electronic equipment |
| CN107635035A (en) * | 2017-10-13 | 2018-01-26 | 广东欧珀移动通信有限公司 | Housing unit and mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201731363A (en) | 2017-09-01 |
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Application publication date: 20170201 |
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