CN201298843Y - Double-antenna mobile phone - Google Patents
Double-antenna mobile phone Download PDFInfo
- Publication number
- CN201298843Y CN201298843Y CNU2008201565112U CN200820156511U CN201298843Y CN 201298843 Y CN201298843 Y CN 201298843Y CN U2008201565112 U CNU2008201565112 U CN U2008201565112U CN 200820156511 U CN200820156511 U CN 200820156511U CN 201298843 Y CN201298843 Y CN 201298843Y
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- Prior art keywords
- antenna
- port
- mobile phone
- external antenna
- unit
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Abstract
The utility model discloses a double-antenna mobile phone which comprises an internal antenna, and a micro-processing controller, a baseband unit and a radio frequency unit which are electrically connected in sequence, as well as an external antenna, and a switching unit used for switching from the connection of the internal antenna and the radio frequency unit to the connection of the external antenna and the radio frequency unit, wherein, the internal antenna, the external antenna and the radio frequency unit are connected with the switching unit. In terms of the use of the mobile phone, either the internal antenna or the external antenna can be chosen as a working antenna according to a user's needs. Especially, the use of the standby external antenna as the working antenna reduces disturbance to the working antenna by the metal casing of the mobile phone. Phone calls can be made using the mobile phone even in the situation where signals are relatively weak.
Description
Technical field
The utility model relates to a kind of double antenna mobile phone.
Background technology
Metal shell more and more is applied in the mobile phone owing to have good texture and resistance to wear.But metal has certain conductivity, can cause very large disturbance to the reception or the transmission of built-in antenna of mobile phone as the shell of mobile phone, particularly under the more weak situation of signal, causes communication quality to descend, and influences the normal use of mobile phone.
The utility model content
The purpose of this utility model provides a kind of double antenna mobile phone.
A kind of double antenna mobile phone, comprise built-in aerial, the microprocessor controller, Base Band Unit and the radio frequency unit that connect of circuit successively, also comprise external antenna and be used to switch the switch unit that described built-in aerial and external antenna are connected with described radio frequency unit, described built-in aerial, external antenna and described radio frequency unit all are connected with described switch unit.
Described switch unit comprises the single-pole double throw RF switch that switches connection status according to control signal, the control unit that is used to transmit control signal, described radio-frequency (RF) switch comprises first port, second port, the 3rd port that all is used for transmitting radio frequency signal and the control interface that is used to receive control signal, described first port is connected with described built-in aerial, described second port is connected with described external antenna, described the 3rd port is connected with described radio frequency unit, and described control interface is connected with described control unit.
Double antenna mobile phone disclosed in the utility model is by being provided with a standby antenna, can select one of them antenna according to user's needs is the work antenna, when especially will this standby external antenna being arranged to the work antenna, reduced of the interference of mobile phone metal shell to the work antenna, even under the more weak environment of signal, still can use mobile phone to converse normally.
Description of drawings
Fig. 1 is the utility model handset structure schematic diagram.
Embodiment
As shown in Figure 1, a kind of double antenna mobile phone, comprise microprocessor controller, be used to produce or the Base Band Unit of receiving baseband signal, be used for baseband signal is modulated or radiofrequency signal is carried out the radio frequency unit of demodulation, be used to send or the built-in aerial 1 of received RF signal, described microprocessor controller, Base Band Unit and radio frequency unit circuit successively connect, also comprise external antenna 2 and be used to switch the switch unit that described built-in aerial 1 and external antenna 2 are connected with described radio frequency unit, described built-in aerial 1, external antenna 2 and radio frequency unit all are connected with described switch unit.Described built-in aerial 1 is arranged in the phone housing; Described external antenna 2 is fixed on the phone housing.Described switch unit switches to the work antenna with one in described built-in aerial 1 and the external antenna 2.In process of transmitting, after described microprocessor controller is controlled described Base Band Unit generation baseband signal, described baseband signal is sent to described radio frequency unit, described radio frequency unit is modulated into GSM (the Global System for Mobile Communications) radiofrequency signal of 900MHZ or 1800MHZ with described baseband signal, again by the described radiofrequency signal of work antenna transmission.In receiving course, after the work antenna receives radiofrequency signal, through described radio frequency unit described radiofrequency signal is carried out demodulation, noise reduction, after restoring baseband signal, described baseband signal is sent to described Base Band Unit, and described microprocessor controller is controlled described Base Band Unit described baseband signal is handled.
Wherein, described switch unit comprises the single-pole double throw RF switch that switches connection status according to control signal, the control unit that is used to transmit control signal, described radio-frequency (RF) switch comprises first port, second port, the 3rd port that all is used for transmitting radio frequency signal and the control interface that is used to receive control signal, described first port is connected with described built-in aerial 1, described second port is connected with described external antenna 2, described the 3rd port is connected with described radio frequency unit, and described control interface is connected with described control unit.Described radio-frequency (RF) switch has two states, first state: described first port and described the 3rd port are conducted, and described second port disconnects mutually with described the 3rd port; Second state: described second port and described the 3rd port are conducted, and described first port disconnects mutually with described the 3rd port.Described radio-frequency (RF) switch is switched between described first state and second state according to the control signal that described control unit sends, thereby makes to have only in described built-in aerial 1 and the external antenna 2 to be a work antenna.The good single-pole double throw RF switch of isolation between first port and second port in the preferred prior art of described radio-frequency (RF) switch is to reduce influencing each other between described built-in aerial 1 and the external antenna 2.
Wherein, described control unit comprises and is used to produce high level or low level signal generating circuit and not circuit, described control interface comprises the 4th port and the five-port that all is used to receive control signal, and the output of described signal generating circuit is connected with the input and described the 4th port of described not circuit respectively; The output of described not circuit is connected with described five-port.Be provided with the contactor 3 that a described signal generating circuit of control is in disconnection or conducting state in the described signal generating circuit, described contactor 3 is connected with a mechanical button (not shown in figure 1), when described mechanical button is in when not being pressed state, described contactor 3 is an open mode, described signal generating circuit is an off-state, at this moment, the output of described signal generating circuit is a low level, the input of described not circuit is a low level, the output of described not circuit is a high level, described the 4th port is a low level, described five-port is a high level, according to the principle of single-pole double throw RF switch in the prior art as can be known, this moment, described radio-frequency (RF) switch was in first state, and promptly described built-in aerial 1 is the work antenna; When described mechanical switch is in when being pressed state, described contactor 3 is a closure state, described signal generating circuit is a conducting state, at this moment, the output of described signal generating circuit is a high level, according to same principle, this moment, described radio-frequency (RF) switch was in second state, and described external antenna 2 is the work antenna.Wherein, the preferred not gate logical device of the prior art of described not circuit.Described radio-frequency (RF) switch also is provided with the 6th port that is used for ground connection.
Described external antenna 2 is the antenna of stretching structure.
Described mechanical button is connected with described external antenna 2 flexible positions, and described mechanical button is for being in down state during for extended state and being in the not mechanical structure of down state during for contraction state when described external antenna 2 when described external antenna 2.Those skilled in the art can produce various types of mechanical buttons according to the action relationships of above-mentioned mechanical button and described external antenna 2, and these mechanism's buttons are all within protection range of the present utility model.Like this, when signal is more weak, when drawing back external antenna 2, depress described mechanical button, this external antenna 2 is switched to the work antenna, and the described mechanical button of pull-up switches to the work antenna with this built-in aerial 1 when shrinking external antenna 2, and is more convenient to use.
Claims (5)
1, a kind of double antenna mobile phone, comprise built-in aerial, the microprocessor controller, Base Band Unit and the radio frequency unit that connect of circuit successively, it is characterized in that: also comprise external antenna and be used to switch the switch unit that described built-in aerial and external antenna are connected with described radio frequency unit, described built-in aerial, external antenna and described radio frequency unit all are connected with described switch unit.
2, double antenna mobile phone as claimed in claim 1, it is characterized in that: described switch unit comprises the single-pole double throw RF switch that switches connection status according to control signal, the control unit that is used to transmit control signal, described radio-frequency (RF) switch comprises first port that all is used for transmitting radio frequency signal, second port, the 3rd port and be used to receive the control interface of control signal, described first port is connected with described built-in aerial, described second port is connected with described external antenna, described the 3rd port is connected with described radio frequency unit, and described control interface is connected with described control unit.
3, double antenna mobile phone as claimed in claim 2, it is characterized in that: described control unit comprises and is used to produce high level or low level signal generating circuit and not circuit, described control interface comprises the 4th port and the five-port that all is used to receive control signal, and the output of described signal generating circuit is connected with the input and described the 4th port of described not circuit respectively; The output of described not circuit is connected with described five-port.
4, as each described double antenna mobile phone in the claim 1 to 3, it is characterized in that: described external antenna is the antenna of stretching structure.
5, double antenna mobile phone as claimed in claim 4, it is characterized in that: comprise that also one is in down state during for extended state and is in the not mechanical button of down state during for contraction state when described external antenna when described external antenna, described mechanical button is connected with the flexible position of described external antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201565112U CN201298843Y (en) | 2008-12-04 | 2008-12-04 | Double-antenna mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201565112U CN201298843Y (en) | 2008-12-04 | 2008-12-04 | Double-antenna mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201298843Y true CN201298843Y (en) | 2009-08-26 |
Family
ID=41044831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201565112U Expired - Lifetime CN201298843Y (en) | 2008-12-04 | 2008-12-04 | Double-antenna mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201298843Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102404958A (en) * | 2010-09-16 | 2012-04-04 | Aq株式会社 | Mobile communication terminal casing equipped with internal antenna |
| CN102573124A (en) * | 2010-12-27 | 2012-07-11 | 深圳富泰宏精密工业有限公司 | Antenna system and radio communication device applying antenna system |
| CN102780793A (en) * | 2012-07-20 | 2012-11-14 | 惠州Tcl移动通信有限公司 | Mobile terminal compatible with internal antenna and external antenna |
| WO2013131230A1 (en) * | 2012-03-05 | 2013-09-12 | 华为终端有限公司 | Antenna switching circuit and wireless terminal device |
| CN105323075A (en) * | 2014-06-17 | 2016-02-10 | 国基电子（上海）有限公司 | Network device |
| CN107528604A (en) * | 2017-07-24 | 2017-12-29 | 成都希塔科技有限公司 | The special UV transceivers of field survivorship |
| CN107612583A (en) * | 2017-10-19 | 2018-01-19 | 环鸿电子（昆山）有限公司 | The antenna system and control method of changeable external antenna |
| CN111614819A (en) * | 2020-06-01 | 2020-09-01 | 上海众链科技有限公司 | External intelligent terminal who has external antenna |
| CN112615631A (en) * | 2020-12-18 | 2021-04-06 | 维沃移动通信有限公司 | Radio frequency receiving circuit, radio frequency signal receiving method, radio frequency signal receiving device and electronic equipment |
-
2008
- 2008-12-04 CN CNU2008201565112U patent/CN201298843Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102404958A (en) * | 2010-09-16 | 2012-04-04 | Aq株式会社 | Mobile communication terminal casing equipped with internal antenna |
| CN102573124A (en) * | 2010-12-27 | 2012-07-11 | 深圳富泰宏精密工业有限公司 | Antenna system and radio communication device applying antenna system |
| CN102573124B (en) * | 2010-12-27 | 2015-07-08 | 深圳富泰宏精密工业有限公司 | Antenna system and radio communication device applying antenna system |
| WO2013131230A1 (en) * | 2012-03-05 | 2013-09-12 | 华为终端有限公司 | Antenna switching circuit and wireless terminal device |
| CN103384962A (en) * | 2012-03-05 | 2013-11-06 | 华为终端有限公司 | Antenna switch circuit and wireless terminal device |
| CN103384962B (en) * | 2012-03-05 | 2015-06-10 | 华为终端有限公司 | Antenna switch circuit and wireless terminal device |
| CN102780793A (en) * | 2012-07-20 | 2012-11-14 | 惠州Tcl移动通信有限公司 | Mobile terminal compatible with internal antenna and external antenna |
| CN102780793B (en) * | 2012-07-20 | 2016-02-10 | 惠州Tcl移动通信有限公司 | The mobile terminal of compatible built-in aerial and external antenna function |
| CN105323075A (en) * | 2014-06-17 | 2016-02-10 | 国基电子（上海）有限公司 | Network device |
| CN107528604A (en) * | 2017-07-24 | 2017-12-29 | 成都希塔科技有限公司 | The special UV transceivers of field survivorship |
| CN107612583A (en) * | 2017-10-19 | 2018-01-19 | 环鸿电子（昆山）有限公司 | The antenna system and control method of changeable external antenna |
| CN111614819A (en) * | 2020-06-01 | 2020-09-01 | 上海众链科技有限公司 | External intelligent terminal who has external antenna |
| CN112615631A (en) * | 2020-12-18 | 2021-04-06 | 维沃移动通信有限公司 | Radio frequency receiving circuit, radio frequency signal receiving method, radio frequency signal receiving device and electronic equipment |
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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 |
Granted publication date: 20090826 |
|
| CX01 | Expiry of patent term |