CN202068404U - Terminal with radio receiving function - Google Patents
Terminal with radio receiving function Download PDFInfo
- Publication number
- CN202068404U CN202068404U CN2011200400951U CN201120040095U CN202068404U CN 202068404 U CN202068404 U CN 202068404U CN 2011200400951 U CN2011200400951 U CN 2011200400951U CN 201120040095 U CN201120040095 U CN 201120040095U CN 202068404 U CN202068404 U CN 202068404U
- Authority
- CN
- China
- Prior art keywords
- terminal
- antenna
- reception antenna
- shell
- chip
- 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.)
- Expired - Lifetime
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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
Landscapes
- Structure Of Receivers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
The utility model discloses a terminal with a radio receiving function. The terminal with the radio receiving function comprises a shell, a receiving antenna for receiving a radio signal and a chip for demodulating the radio signal, wherein the receiving antenna is electrically connected with the chip. The terminal with the radio receiving function is characterized in that the receiving antenna is arranged in the shell wall of the shell so as to receive the radio signal; and under the condition that the terminal does not have space for placing an FM antenna completely, frequency modulation (FM) can still be designed and signal receiving effect can completely reach the receiving effect of a headset antenna. The terminal with the radio receiving function saves space expense and cost caused by the specially designed FM antenna, solves the problem of unreliable connection between the antenna and a mainboard of the terminal, and improves receiving stability of the radio signal.
Description
Technical field
The utility model relates to communication technique field, relates in particular to a kind of terminal with broadcast receiver receiving function.
Background technology
The terminal that has broadcast receiver (as FM) receiving function at present is very common.
Disclose a kind of terminal of the FM of having receiving function among the Chinese patent application prospectus CN200810040863.6, the FM reception antenna of this terminal is realized by earphone.Because earphone cord is longer, listens to FM and all will carry earphone, can cause certain inconvenience at every turn.In addition, the cost of earphone is higher, if consider to save earphone, then receives the terminal of FM based on earphone, can't realize that FM receives.
The disclosed portable terminal of Chinese patent application prospectus CN200920105948.8 has adopted the FM built-in aerial, realization FM is put outward, but need be built-in aerial of FM specialized designs, this built-in aerial uses two kinds of different enamelled wires to be wrapped in fixing plastic plate or PCB goes up realization, the inner space that this design takies is bigger, the making of this antenna and have all comparatively inconvenience of realization of the FM terminal of this antenna, and the cost of FM antenna is also bigger.
In order to reduce FM antenna cost and to reduce shared area and the volume of embedded in mobile phone FM antenna, adopted the FM antenna on the PCB among the Chinese patent application prospectus CN201010132300.7, and proposed way of realization.This mode faces following problem, if the FM antenna on the PCB is too small, then the receptivity of FM can be very poor, if increase the area of the FM antenna on the PCB, then the spending of the spending of cost and PCB area all can strengthen, under the more and more nervous situation of area on present mobile phone PCB, the possibility of carrying out the FM Antenna Design on PCB is less.
The utility model content
The technical problems to be solved in the utility model provides a kind of terminal with broadcast receiver receiving function, solves the high and bigger problem that takes up room of the reception antenna cost that receives radio receiver signal.
For solving the problems of the technologies described above, a kind of terminal with broadcast receiver receiving function of the present utility model comprises: shell, the reception antenna that receives radio receiver signal and the chip of demodulation radio receiver signal, and reception antenna is electrically connected with chip, it is characterized in that reception antenna is arranged in the shell wall of shell.
Further, reception antenna is injection-moulded in the shell wall of shell.
Further, between the chip of reception antenna and demodulation radio receiver signal, also be electrically connected with antenna matching network.
Further, between the chip of antenna matching network and demodulation radio receiver signal, also be electrically connected with amplifier.
Further, between reception antenna and antenna matching network, also be electrically connected with block isolating device spare.
Further, the chip of demodulation radio receiver signal, antenna matching network and amplifier all are arranged on the mainboard of terminal, and reception antenna adopts the mode of welding, crimping or lead-in wire to be connected with mainboard.
Further, reception antenna adopts sheet metal.
Further, the cabling form of sheet metal in shell wall is the form of straight line, serpentine or single piece of metal sheet.
In sum, the utility model is arranged on reception antenna the reception that realizes radio receiver signal in the shell wall of shell, under the situation that does not have space placement FM antenna on the terminal fully, still can carry out the design of FM, and the effect that signal receives can reach the effect that earphone antenna receives fully, the utility model has been saved the space that specialized designs FM antenna causes and the expense of cost, and the mainboard that has solved antenna and terminal is connected insecure problem, improved the stability that radio receiver signal receives.
Description of drawings
Fig. 1 is the schematic diagram of the terminal of present embodiment;
Fig. 2 is the connection block diagram of each part of the terminal of present embodiment;
Fig. 3 is the circuit diagram of the terminal of present embodiment.
Embodiment
The terminal of present embodiment is arranged on reception antenna in the shell wall of terminal enclosure by the mode of injection moulding (as in-mould injection), receives the FM signal, has saved needed space of FM reception antenna and cost greatly, has improved terminal FM and has received the flexibility that designs.
The terminal of present embodiment comprises: shell, the reception antenna that receives radio receiver signal, chip (abbreviation demodulation chip), antenna matching network and the low noise amplifier (LNA) of demodulation radio receiver signal, wherein, reception antenna, antenna matching network, low noise amplifier and demodulation chip are electrically connected successively, and reception antenna is arranged in the shell wall of shell by injection molding way.
The mode that reception antenna can be used in-mould injection is arranged in the shell wall of shell, and the performance of reception antenna and resonance location can mate by antenna matching network, reaches optimum performance.
In-mould injection claims film coating technique and in-mode inserts injection molding technology in the mould again, is that in type sheet material is put into injection mould, with the back side of resin injection at formed sheet, makes resin and sheet material be bonded into the technology of one curing molding.In-mould injection is that product and mold insert are laminated with and become one at the injection molding mold insert that carries out simultaneously.
Moreover, present embodiment is arranged on reception antenna in the shell wall of shell except adopting the in-mould injection mode, can also adopt other any existing mode.
Low noise amplifier can further improve the signal to noise ratio of the FM signal that receives, and the FM signal that receives enters demodulation chip and carries out demodulation, and being demodulated into can be by the audio signal of loudspeaker plays.
Be described in further detail below in conjunction with the enforcement of accompanying drawing technical scheme:
Figure 1 shows that the terminal of present embodiment, reception antenna be arranged in the shell wall of shell that reception antenna can adopt sheet metal, includes but are not limited to steel disc, copper sheet, paster and aluminium flake etc. by in-mould injection.
Antenna matching network, low noise amplifier and demodulation chip all are arranged on the mainboard, and the reception antenna that adopts the in-mould injection mode to be injected in the shell wall of shell can be welding, crimping or utilize modes such as lead-in wire is connected with connected mode between the mainboard.
Mode by in-mould injection is injected in the shell wall of terminal enclosure as the sheet metal of reception antenna, and the cabling form in shell wall can be the form of straight line, serpentine or single piece of metal sheet, can adjust cabling according to actual effect.
In addition, the size and the length of the length of mainboard and the area of the ground wire on the mainboard, little to the receptivity influence of FM, comprise the shape of the ground wire on the mainboard etc., also very limited to the influence of FM received signal.
To FM receive influence bigger be length as the sheet metal of reception antenna.This length is directly connected to the receiving efficiency of work to the FM signal, thereby has influence on the quality of FM received signal.
Figure 2 shows that the connection block diagram of each part of the terminal of present embodiment, describe with reference to the terminal reception of 2 pairs of present embodiments of figure and the process of processing radio receiver signal, signal receives by the reception antenna in the shell wall that is injection-moulded in shell, regulate by antenna matching network, after the adjusting of having carried out coupling, can carry out the debugging of LNA, amplify the FM signal that receives frequency range, improve the signal to noise ratio of FM signal, at last, the signal that receives enters demodulation chip and carries out demodulation process, output FM signal.
Antenna matching network is made up of resistance and electric capacity, is optional part, if need not that the performance of FM is had any adjusting and optimization, can not use in terminal.
LNA part is made up of metal-oxide-semiconductor and biasing circuit and match circuit, is optional part, if need not that the performance of FM is had any adjusting and optimization, can not use in terminal.
Demodulation chip is independent F M chip not necessarily, also can be to carry out integrated with other chips.
Fig. 3 is the circuit diagram of the terminal of present embodiment, and the effect to circuit diagram shown in Figure 3 makes an explanation below, and the process of this explanation has also shown the flow direction of signal.
(1) reception antenna adopts the mode of in-mould injection to be injected in the shell wall of shell received signal.
(2) block isolating device spare C1 plays every straight effect, avoids static to beat and cause the FM device failure on the shell of terminal.
(3) L1 and L2 form antenna matching network, the receptivity that can regulate FM.
(4) C2 plays every straight effect, and the bias voltage of the maintenance triode B utmost point can shorted to earth.
(5) VT5 is the metal-oxide-semiconductor in the LNA circuit, plays the effect of amplifying the FM signal.
(6) R1, R2 and R3 are the direct current biasings of metal-oxide-semiconductor amplifying circuit, and C3 is a shunt capacitance.
(7) L3, C4 and C5 are respectively the choke induction and the filter capacitors of LNA power supply.
(8) carry out demodulation by C6 every straight back input demodulation chip by the LNA amplifying signal.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention, each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules or the step with them is made into the single integrated circuit module and realizes.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is embodiments of the invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. terminal with broadcast receiver receiving function, comprise: shell, the reception antenna that receives radio receiver signal and the chip of demodulation radio receiver signal, described reception antenna is electrically connected with described chip, it is characterized in that, described reception antenna is arranged in the shell wall of described shell.
2. terminal as claimed in claim 1 is characterized in that described reception antenna is injection-moulded in the shell wall of described shell.
3. terminal as claimed in claim 2 is characterized in that, also is electrically connected with antenna matching network between the chip of described reception antenna and described demodulation radio receiver signal.
4. terminal as claimed in claim 3 is characterized in that, also is electrically connected with amplifier between the chip of described antenna matching network and described demodulation radio receiver signal.
5. terminal as claimed in claim 3 is characterized in that, also is electrically connected with block isolating device spare between described reception antenna and described antenna matching network.
6. terminal as claimed in claim 4 is characterized in that, the chip of described demodulation radio receiver signal, antenna matching network and amplifier all are arranged on the mainboard of terminal, and described reception antenna adopts the mode of welding, crimping or lead-in wire to be connected with described mainboard.
7. terminal as claimed in claim 2 is characterized in that, described reception antenna adopts sheet metal.
8. terminal as claimed in claim 7 is characterized in that, the cabling form of described sheet metal in described shell wall is the form of straight line, serpentine or single piece of metal sheet.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200400951U CN202068404U (en) | 2011-02-16 | 2011-02-16 | Terminal with radio receiving function |
| PCT/CN2011/079738 WO2012109898A1 (en) | 2011-02-16 | 2011-09-16 | Terminal having radio receiving function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200400951U CN202068404U (en) | 2011-02-16 | 2011-02-16 | Terminal with radio receiving function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202068404U true CN202068404U (en) | 2011-12-07 |
Family
ID=45062253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200400951U Expired - Lifetime CN202068404U (en) | 2011-02-16 | 2011-02-16 | Terminal with radio receiving function |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202068404U (en) |
| WO (1) | WO2012109898A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071024A (en) * | 2015-08-26 | 2015-11-18 | 广东欧珀移动通信有限公司 | Antenna system of mobile terminal |
| CN110445915A (en) * | 2019-08-06 | 2019-11-12 | 华为技术有限公司 | A kind of electronic equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE525659C2 (en) * | 2003-07-11 | 2005-03-29 | Amc Centurion Ab | Antenna device and portable radio communication device including such antenna device |
| TW200952250A (en) * | 2008-06-12 | 2009-12-16 | Arima Comm Co Ltd | Portable electronic device having broadcast antenna |
| CN102014180A (en) * | 2010-11-24 | 2011-04-13 | 惠州Tcl移动通信有限公司 | Built-in FM antenna realization method and mobile phone using same |
-
2011
- 2011-02-16 CN CN2011200400951U patent/CN202068404U/en not_active Expired - Lifetime
- 2011-09-16 WO PCT/CN2011/079738 patent/WO2012109898A1/en active Application Filing
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071024A (en) * | 2015-08-26 | 2015-11-18 | 广东欧珀移动通信有限公司 | Antenna system of mobile terminal |
| CN105071024B (en) * | 2015-08-26 | 2018-01-19 | 广东欧珀移动通信有限公司 | The antenna system of mobile terminal |
| CN108054493A (en) * | 2015-08-26 | 2018-05-18 | 广东欧珀移动通信有限公司 | The antenna system of mobile terminal |
| CN108054493B (en) * | 2015-08-26 | 2020-01-10 | Oppo广东移动通信有限公司 | Antenna system of mobile terminal |
| CN110445915A (en) * | 2019-08-06 | 2019-11-12 | 华为技术有限公司 | A kind of electronic equipment |
| WO2021023165A1 (en) * | 2019-08-06 | 2021-02-11 | 华为技术有限公司 | Electronic device |
| CN110445915B (en) * | 2019-08-06 | 2021-04-09 | 华为技术有限公司 | Electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012109898A1 (en) | 2012-08-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |