CN201248055Y - External inductor for receiving mobile phone signal - Google Patents
External inductor for receiving mobile phone signal Download PDFInfo
- Publication number
- CN201248055Y CN201248055Y CNU2008200996582U CN200820099658U CN201248055Y CN 201248055 Y CN201248055 Y CN 201248055Y CN U2008200996582 U CNU2008200996582 U CN U2008200996582U CN 200820099658 U CN200820099658 U CN 200820099658U CN 201248055 Y CN201248055 Y CN 201248055Y
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- indicator
- music
- electric capacity
- mobile phone
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Abstract
The utility model relates to an outside inductor for receiving cellphone signals. The anode and the cathode of an RF indicator are respectively connected with the anode and the cathode of a DC supply, the input end of the RF indicator is connected with an antenna through a filter with a high-pass filtering circuit and a low-pass filtering circuit, one path of the output end of the RF indicator feeds voltage for an LBD through a current-limiting resistor, and the other path of the output end of the RF indicator charges a capacitor through a potential device, the capacitor provides trigger voltage for a music and voice integrated circuit with a high level trigger terminal, the output end of the music and voice integrated circuit is connected with a speaker, the anode and the cathode of the music and voice integrated circuit are respectively connected with the anode and the cathode of the DC supply, and the N pole end of the LBD, one pin of the potential device and one pin of the capacitor are connected with the DC supply. The utility model can immediately prompt the caller condition of the cellphone, is suitable for the application of outside and various public places, and has the advantages of low cost and attractive appearance.
Description
Technical field
The utility model relates to a kind of mobile phone signal receiving system, the external inductor that particularly a kind of mobile phone signal receives.
Background technology
At present, mobile phone has spread to huge numbers of families as a kind of means of communication.Yet people usually are placed on mobile phone in the bag when going out to carry mobile phone, and especially the Ms likes and will be placed in the satchel that carries at any time, and the normal the tinkle of bells of not hearing mobile phone because of environment is noisy delays thing in outdoor or public arena etc.
Summary of the invention
The purpose of this utility model provides the external inductor that a kind of mobile phone signal receives.This inductor is the incoming call situation of prompting mobile telephone set in time, is applicable to the application in outdoor and various public arenas, and has cost low, the advantage of appearance looks elegant.
The realization the technical solution of the utility model is: r-f indicator just, negative pole respectively with DC power supply just, negative pole connects, it is characterized in that: the input of described r-f indicator is connected antenna by a filter with high-pass filtering circuit and low-pass filter circuit, the output one tunnel of r-f indicator is carried voltage through current-limiting resistance to light-emitting diode, another road is the electric capacity charging through potentiometer, electric capacity provides trigger voltage to music with high level trigger end and speech IC, the output of music and speech IC is connected loud speaker, music and speech IC are just, negative pole respectively with DC power supply just, negative pole connects, and the N of light-emitting diode is extreme, pin of potentiometer, pin of electric capacity is connected with DC power supply.
Described filter comprises high-pass filtering circuit and low-pass filter circuit, described high-pass filtering circuit is formed by connecting an inductance coil between two electric capacity, inductance coil connects DC power supply, described low-pass filter circuit is formed by connecting an electric capacity between two inductance coils, electric capacity connects DC power supply, an electric capacity of high-pass filtering circuit connects antenna, another electric capacity connects an inductance coil of low pass filter, and another inductance coil of low pass filter connects the input of r-f indicator.
Described r-f indicator is the r-f indicator of 800～3000MHz.
Adopt technical solutions of the utility model, between reception antenna and r-f indicator, connect high pass filter and low pass filter, current signal below the 800MHz that high pass filter will receive by antenna filters out, current signal filtering more than the 3000MHz that low pass filter will receive by antenna is to guarantee entering the electric current of r-f indicator between 800～3000MHz.Inductor amplifies current signal, signal is input to current-limiting resistance R2 and adjustable potentiometer R1 respectively after the filtering, and wherein current-limiting resistance R2 driven for emitting lights led lighting becomes light signal with the cell phone incoming call conversion of signals, prompting machine master; Adjustable potentiometer R1 is to capacitor C 1 charging, and when capacitor C 1 voltage reached the trigger voltage value of music and speech IC input, music and speech IC conducting were sounded loudspeaker, prompting machine master incoming call answering.Adjustable potentiometer R1 according to the time set of mobile phone continuous ringing, therefore, can avoid inductor when receiving note or other interference signals to the length in the charging interval of capacitor C 1, sends wrong information.The utility model can amplify the incoming call prompt of mobile phone signal by flash of light and music or speech form, and prompting machine master in time answers, and is applicable to the application in outdoor and various public arenas.
The utility model can be arranged in the various ornaments, and medium as little ornament, cartoon cloth suede ornaments, volume is little, and cost of manufacture is low, and good decorative property, the advantage of appearance looks elegant.
Below in conjunction with accompanying drawing the utility model is described further.
Description of drawings
Fig. 1 is a circuit diagram of the present utility model.
Embodiment
Referring to Fig. 1.The positive and negative electrode of r-f indicator RF is connected with the positive and negative electrode of DC power supply respectively, and described r-f indicator is the r-f indicator of 800～3000MHz.The input P of described r-f indicator is connected antenna W by a filter with high-pass filtering circuit H and low-pass filter circuit L.Described filter comprises high-pass filtering circuit H and low-pass filter circuit L, wherein high-pass filtering circuit is formed by connecting an inductance coil L3 between two capacitor C 3, the C4, the other end of inductance coil L3 connects the negative pole of DC power supply, any end of high-pass filtering circuit capacitor C 4 connects antenna, any end of capacitor C 3 connects any end of the inductance coil L2 of low pass filter, and the current signal below the 800MHz that high-pass filtering circuit will receive by antenna filters out; Described low-pass filter circuit is formed by connecting a capacitor C 2 between two inductance coil L1, the L2, any end of capacitor C 2 connects the negative pole of DC power supply, any end of the inductance coil L1 of low pass filter connects the input P of r-f indicator, the current signal filtering more than the 3000MHz that will receive by antenna W.Therefore, enter the signal frequency of r-f indicator input P between 800～3000MHz.Signal amplification, filtering that r-f indicator enters input are through the voltage signal of one 3～6 volts of output L outputs.The output L one tunnel of r-f indicator carries voltage through current-limiting resistance R2 to LED, and described signal is luminous through current-limiting resistance R2 driven for emitting lights diode (LED), and the cell phone incoming call conversion of signals is become light signal, by flash of light prompting machine master; Another road is capacitor C 1 charging through potentiometer R1, and capacitor C 1 provides trigger voltage to music with high level trigger end M and speech IC IC, and A, the B pin of the output of music and speech IC are connected loud speaker N.Be connected a K switch 1 between the K pin of music and speech IC and the J pin.The signal of the output output of r-f indicator produces corresponding electric current to capacitor C 1 charging through adjustable potentiometer R1, when capacitor C 1 voltage is increased to the input trigger voltage value of music and speech IC, K switch 1 closure of music and speech IC, music and speech IC conducting, trigger and open music and speech IC, music or voice that music and speech IC store are sounded by loudspeaker, prompting machine master.Adjustable potentiometer R1 according to the time set of cell-phone bell, makes the accuracy of judgement of the external inductor of the utility model to the length in the charging interval of capacitor C 1, can not send wrong information.Be that the calling party needs certain ring time, as: 1
-5 continuous ringing or continuous ringing more frequently just make its input trigger voltage value that reaches music and speech IC, have avoided this inductor when receiving note or other interference signals, send wrong information.The positive and negative electrode of music and speech IC is connected with the positive and negative electrode of DC power supply respectively, and light-emitting diode, adjustable potentiometer, capacitor C 1 are connected with DC power supply.The N of light-emitting diode extremely is connected with power supply, and an end of capacitor C 1 is connected with power supply; Adjustable potentiometer is except that tap terminals, and remaining any end is connected with power supply, and described DC power supply is 3～6V voltage, use to providing of this inductor enough use electric flux.
Music described in the utility model and speech IC can be according to user's needs, are arranged to the cue with profound sound, voice and various audio formats, increase prompting enjoyment.
Music described in the utility model and speech IC adopt CIC560 series and the music and the speech IC that satisfy above-mentioned functions all can.
800～3000MHz r-f indicator that r-f indicator described in the utility model adopts the new huge Electronics Co., Ltd. in Shenzhen to produce.
Claims (5)
1. the external inductor that receives of a mobile phone signal, comprise r-f indicator, r-f indicator just, negative pole respectively with DC power supply just, negative pole connects, it is characterized in that: the input of described r-f indicator is connected antenna by a filter with high-pass filtering circuit and low-pass filter circuit, the output one tunnel of r-f indicator is carried voltage through current-limiting resistance to light-emitting diode, another road is the electric capacity charging through potentiometer, electric capacity provides trigger voltage to music with high level trigger end and speech IC, the output of music and speech IC is connected loud speaker, music and speech IC are just, negative pole respectively with DC power supply just, negative pole connects, and the N of light-emitting diode is extreme, pin of potentiometer, pin of electric capacity is connected with DC power supply.
2. the external inductor that mobile phone signal according to claim 1 receives, it is characterized in that: described filter comprises high-pass filtering circuit and low-pass filter circuit, described high-pass filtering circuit is made up of inductance coil in parallel between two electric capacity, inductance coil connects DC power supply, described low-pass filter circuit is made up of electric capacity in parallel between two inductance coils, electric capacity connects DC power supply, an electric capacity of high-pass filtering circuit connects antenna, another electric capacity connects an inductance coil of low pass filter, and another inductance coil of low pass filter connects the input of r-f indicator.
3. the external inductor that mobile phone signal according to claim 1 and 2 receives, it is characterized in that: described r-f indicator is the r-f indicator of 800～3000MHz.
4. the external inductor that mobile phone signal according to claim 1 receives is characterized in that: be connected a switch between the K pin of described music and speech IC and the J pin.
5. the external inductor that mobile phone signal according to claim 1 receives, it is characterized in that: described DC power supply is 3～6V voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200996582U CN201248055Y (en) | 2008-08-07 | 2008-08-07 | External inductor for receiving mobile phone signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200996582U CN201248055Y (en) | 2008-08-07 | 2008-08-07 | External inductor for receiving mobile phone signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201248055Y true CN201248055Y (en) | 2009-05-27 |
Family
ID=40731882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200996582U Expired - Fee Related CN201248055Y (en) | 2008-08-07 | 2008-08-07 | External inductor for receiving mobile phone signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201248055Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607483A (en) * | 2013-12-06 | 2014-02-26 | 辽宁工程技术大学 | Mobile phone incoming call sensing sending device |
| CN115037325A (en) * | 2022-04-29 | 2022-09-09 | 立讯电子科技（昆山）有限公司 | Radio frequency transceiving component, radio frequency signal transceiving method and electronic equipment |
-
2008
- 2008-08-07 CN CNU2008200996582U patent/CN201248055Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607483A (en) * | 2013-12-06 | 2014-02-26 | 辽宁工程技术大学 | Mobile phone incoming call sensing sending device |
| CN115037325A (en) * | 2022-04-29 | 2022-09-09 | 立讯电子科技（昆山）有限公司 | Radio frequency transceiving component, radio frequency signal transceiving method and electronic equipment |
| CN115037325B (en) * | 2022-04-29 | 2023-11-28 | 立讯电子科技（昆山）有限公司 | Radio frequency receiving and transmitting assembly, radio frequency signal receiving and transmitting method and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090527 Termination date: 20100807 |