CN202759497U - A mobile terminal equipped with an interphone function - Google Patents
A mobile terminal equipped with an interphone function Download PDFInfo
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- CN202759497U CN202759497U CN2012204882106U CN201220488210U CN202759497U CN 202759497 U CN202759497 U CN 202759497U CN 2012204882106 U CN2012204882106 U CN 2012204882106U CN 201220488210 U CN201220488210 U CN 201220488210U CN 202759497 U CN202759497 U CN 202759497U
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- intercom
- portable terminal
- interphone
- interface
- antenna
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Abstract
The utility model discloses a mobile terminal equipped with an interphone function. The mobile terminal comprises an interphone module which includes an interphone chip, an interphone radio frequency interface, and an interphone antenna. The interphone module is directly connected with a processor of the mobile terminal through an I2C interface. The interphone antenna is extended out of the whole machine through the radio frequency interface to be used as an external antenna. An interphone interface is disposed at a position close to a radio frequency antenna spring. The mobile terminal enables a bidirectional communication function in a specific case so as to enable a user without other carried devices to communicate with others, providing communication convenience and high practicality. In addition, a talk-back communication can be achieved in short distance so that communication cost is saved. The interphone mode with simple operation increases user experience.
Description
Technical field
The utility model relates to technical field of mobile terminals, specifically more relates to a kind of portable terminal with intercom function.
Background technology
At present, portable set does not generally have intercom function, but under the special scenes such as existence in the open air, the portable terminals such as mobile phone may be because of the problem of signal or battery deficiency, cause and to communicate by letter, therefore, possess intercom function such as portable terminals such as mobile phones, it is convenient then to produce for the communication under the fortuitous event.
The utility model content
The purpose of the utility model embodiment is for a kind of portable terminal with intercom function being provided, being used for the communication of specific occasion.
In order to reach above-mentioned utility model purpose, a kind of portable terminal with intercom function that the utility model embodiment proposes is achieved through the following technical solutions:
A kind of portable terminal with intercom function comprises:
The intercom module, described intercom module comprises intercom chip, intercom radio frequency interface and interphone antenna;
Described intercom module directly links to each other with mobile terminal processor by the I2C interface;
It is outer as external antenna that described interphone antenna extends to complete machine by a radio frequency interface;
Described intercom interface is arranged at radio-frequency antenna shell fragment position near-end.
Further, radio-frequency transmissions mouth and the receiving port of described intercom chip are separated from each other.
Further, described portable terminal comprises that also one switches switch, is set to the portable terminal side switch, is used for switching the switch that the intercom module receives and launches.
Further, described intercom chip also comprises an audio interface, and described audio interface comprises SPEAK delivery outlet and MIC input port.
Further, described portable terminal also comprises an analog switch, is used for controlling by the GPIO mouth switching of intercom module audio and the original audio frequency of portable terminal.
Further, described intercom chip also comprises an external clock.
The utlity model has the portable terminal of intercom function, increased under the particular case intercommunication may, realized in the situation that there is not the intercommunication of network signal, make the user needn't carry other equipment and can realize and other people contact, the communication convenience is provided, and practicality is very high.In addition, in in-plant situation, can realize intercom, save communications cost, because interphone antenna and other antennas of portable terminal are isolated, can not cause interference to proper communication, and simple to operate under the intercom pattern, user's experience increased.
Description of drawings
By the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of the utility model will become apparent and easily understand.
Fig. 1 is that the portable terminal with intercom of the utility model embodiment forms schematic diagram;
Fig. 2 is the utility model embodiment intercom chip structure schematic diagram;
Fig. 3,4,5 is the circuit diagram of the utility model embodiment intercom audio frequency and the original Audio conversion of portable terminal;
Fig. 6 is the portable terminal workflow diagram under the utility model embodiment intercom pattern.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
When the user explores or goes on a tour, navigate on when not having network signal regional, the user is for each other contact, can use the communication between carrying out mutually of the intercom function of the intercom module of portable terminal.
Portable terminal for the utility model embodiment, it is except function commonly used, also have GPS locating module and intercom module, therefore comprise radio-frequency antenna such as Bluetooth antenna, gps antenna in the whole system, interphone antenna, the interference of the putting position that therefore, aspect portable terminal stacking, must take into full account each antenna between mutually.
At first, as shown in Figure 1, portable terminal for the utility model embodiment, between its each antenna that comprises as far as possible away from, interphone antenna is moved complete machine to by a radio frequency interface and is done external antenna outward, because radio frequency and intercom can not worked simultaneously, so radio-frequency antenna shell fragment position and intercom interface are close to must be.Note the separately resistance value of aerial signal in the LAYOUT cabling, land used is kept apart between the holding wire.
Be illustrated in figure 2 as the interface schematic diagram of intercom chip, comprise power module VBAT, be the power supply of the artificial circuit part in the chip, the power interface of described analog circuit is 1# pin-AVDD, 4# pin-AVDD, 13# pin-AVDD, 16# pin-AVDD, 21# pin-AVDD, 23# pin-AVDD.
Described intercom chip also comprises the I2C interface, and direct and portable terminal CPU carries out communication, and the 2# pin-SCLK among Fig. 1 and 3# pin-SDIO be CLK and the DATA signal of I2C respectively.
Described intercom chip also comprises an external clock, and the 5# pin-XTAL1 among Fig. 2 and 6# pin-XTAL2 are clock interface.Described external clock is supported 12.8MHz, 13MHz, 25.6MHz and 26MHz.
Described intercom chip comprises that also putting interface outside one is SPEAK delivery outlet and a MIC input port.9# pin-AFOUT among Fig. 2 is the SPEAK delivery outlet, and 11# pin-MIC_IN is that MIC is entrance.
Wherein, the radio frequency transmit and receive of intercom chip separates.15# pin-RFIN is the radio frequency reception mouth, and 18# pin-RFOUT is the radio-frequency transmissions mouth.
Under the concrete implementation condition, the portable terminal with intercom function of the utility model embodiment can adopt the design based on the MTK6253 platform.The intercom chip can adopt RDA1846, and that corresponding intercom PA uses is SKY65116.The intercom module except the interface of chip itself, will be noted the switching of audio frequency especially when principle design.
In order to realize the phonetic function of intercom module, the original Audio conversion of intercom module and portable terminal need to be done emphatically and process.
Figure 3 shows that the switching of MIC between intercom module and portable terminal, system comes the switching of control simulation switch by GPIO mouth (AF_MIC_EN).
1, when portable terminal is in the normal mode conversation, control GPIO mouth AF_MIC_EN drags down MIC(MIC+, the MIC-of complete machine) with the MIC(M_MIC+ of portable terminal, M_MIC-) connect, the information exchange that the user sends is crossed the original MIC of portable terminal and is sent to system;
2, when portable terminal is in the conversation of intercom pattern, control GPIO mouth AF_MIC_EN draws high, MIC(MIC+, the MIC-of complete machine) with the intercom module MIC(AF_MIC_IN) connect, information exchange that the user sends is crossed intercom module MIC and is sent to system.
Fig. 3,4 and 5 is the switching of SPEAK between intercom module and the portable terminal.System comes the control simulation switch to switch by the GPIO mouth (GPIO30) of MT6253, and the audio signal after the switching plays back after processing by audio frequency power amplifier again.SPEAK only need to just drag down GPIO30 in several situations, audio frequency output and the original audio frequency of portable terminal (MP3_OUTL) of complete machine are connected, during such as hand-free call, when playing MP3 etc., all the other the time GPIO30 can be drawn high, allow the audio frequency output of complete machine and audio frequency output (AF_OUT) connection of intercom module.Audio signal after the switching is amplified again output by the audio frequency power amplifier on the mainboard.
As shown in Figure 6, the user can select to enter the intercom pattern by application menu.Because the radio frequency transmit and receive of intercom module separate, therefore when the intercom pattern, answer the other side in a minute and the information of oneself is passed to the other side can not carry out simultaneously.In order to be user-friendly to, below the volume side switch of complete machine, to increase and switch the diverter switch that intercom is accepted and launched.Interruption pin by MT6253 detects.Under the intercom pattern, during not according to side switch, interrupting (EINT1_AF) is high level, and the intercom module is in accepting state; Press side switch (continuing), interrupt (EINT1_AF) and become low level, system receives the level variation of interrupt signal, and intercom is adjusted into emission state.The user presses the switching side switch and can speak when using intercom function, unclamps the switch sides keyed jointing and listens speaking of the other side.
The utlity model has the portable terminal of intercom function, increased under the particular case intercommunication may, realized in the situation that there is not the intercommunication of network signal, make the user needn't carry other equipment and can realize and other people contact, the communication convenience is provided, and practicality is very high.In addition, in in-plant situation, can realize intercom, save communications cost, because interphone antenna and other antennas of portable terminal are isolated, can not cause interference to proper communication, and simple to operate under the intercom pattern, user's experience increased.
The utility model one of ordinary skill in the art be appreciated that; the above embodiment of the utility model only is one of preferred embodiment of the present utility model; be the length restriction; here can not all execution modes of particularize; any enforcement that can embody the utility model claim technical scheme is all in protection range of the present utility model.
It should be noted that; above content is in conjunction with concrete execution mode further detailed description of the utility model; can not assert that embodiment of the present utility model only limits to this; under above-mentioned guidance of the present utility model; those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improvement or distortion drop in the protection range of the present utility model.
Claims (6)
1. the portable terminal with intercom function is characterized in that, described portable terminal comprises:
The intercom module, described intercom module comprises intercom chip, intercom radio frequency interface and interphone antenna;
Described intercom module directly links to each other with mobile terminal processor by the I2C interface;
It is outer as external antenna that described interphone antenna extends to complete machine by a radio frequency interface;
Described intercom interface is arranged at radio-frequency antenna shell fragment position near-end.
2. the portable terminal with intercom function as claimed in claim 1 is characterized in that, radio-frequency transmissions mouth and the receiving port of described intercom chip are separated from each other.
3. the portable terminal with intercom function as claimed in claim 2 is characterized in that, described portable terminal comprises that also one switches switch, is set to the portable terminal side switch, is used for switching the switch that the intercom module receives and launches.
4. the portable terminal with intercom function as claimed in claim 1 is characterized in that, described intercom chip also comprises an audio interface, and described audio interface comprises SPEAK delivery outlet and MIC input port.
5. the portable terminal with intercom function as claimed in claim 4 is characterized in that, described portable terminal also comprises an analog switch, is used for controlling by the GPIO mouth switching of intercom module audio and the original audio frequency of portable terminal.
6. the portable terminal with intercom function as claimed in claim 5 is characterized in that,
Described intercom chip also comprises an external clock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204882106U CN202759497U (en) | 2012-09-24 | 2012-09-24 | A mobile terminal equipped with an interphone function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204882106U CN202759497U (en) | 2012-09-24 | 2012-09-24 | A mobile terminal equipped with an interphone function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202759497U true CN202759497U (en) | 2013-02-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204882106U Expired - Fee Related CN202759497U (en) | 2012-09-24 | 2012-09-24 | A mobile terminal equipped with an interphone function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202759497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019024719A1 (en) * | 2017-08-02 | 2019-02-07 | 深圳市威泰能源有限公司 | Walkie-talkie device, electronic apparatus, walkie-talkie information transmission method, and information transmission method |
-
2012
- 2012-09-24 CN CN2012204882106U patent/CN202759497U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019024719A1 (en) * | 2017-08-02 | 2019-02-07 | 深圳市威泰能源有限公司 | Walkie-talkie device, electronic apparatus, walkie-talkie information transmission method, and information transmission method |
| US11012551B2 (en) | 2017-08-02 | 2021-05-18 | Shenzhen Wistek Energy Co., Ltd. | Walkie-talkie device, electronic apparatus, walkie-talkie information transmission method, and information transmission method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20180924 |