CN201123090Y - Mobile phone monitoring system - Google Patents
Mobile phone monitoring system Download PDFInfo
- Publication number
- CN201123090Y CN201123090Y CNU2007203052183U CN200720305218U CN201123090Y CN 201123090 Y CN201123090 Y CN 201123090Y CN U2007203052183 U CNU2007203052183 U CN U2007203052183U CN 200720305218 U CN200720305218 U CN 200720305218U CN 201123090 Y CN201123090 Y CN 201123090Y
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- Prior art keywords
- mobile phone
- frequency
- modulation
- emitter
- preamplifier
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Abstract
The utility model relates to a monitoring system of a mobile phone, which comprises at least a monitored mobile phone an and a monitoring mobile phone B. The mobile phone A comprises a monitored and controlled device and a frequency modulating modulation and a transmitting device, which are mutually connected, and the mobile phone B comprises a monitoring and controlling device and a frequency modulation receiving device, which are mutually connected; the monitoring and controlling device of the mobile phone B is coupled with the monitored and controlled device of the mobile phone A through the wireless network, and the frequency modulating modulation and the transmitting device of the mobile phone an are coupled with the frequency modulation receiving device of the mobile phone B through the wireless network. The monitoring system of the mobile phone has functions, such as the monitoring of the mobile phones of certain criminals or the monitoring of the sound nearby the mobile phone in certain dangerous situations, can be realized, etc.
Description
Technical field
The utility model relates to the wireless mobile communications field, relates in particular to a kind of mobile phone monitoring system.
Background technology
Because in daily life at ordinary times, mobile phone or near the situations such as sound of the needs monitoring mobile phone under some dangerous situation that the police monitors some offender may appear.In these cases, need realize monitoring the function of mobile phone by some technological means.
But present monitoring system monitoring side utilizes the equipment of network side to realize monitoring, and can not monitor another mobile phone with a mobile phone, has brought very big inconvenience to monitoring.
The utility model content
The technical problem to be solved in the present invention provides a kind of mobile phone monitoring system, reaches the purpose of monitoring the another one mobile phone with a mobile phone.
In order to address the above problem, the invention provides a kind of mobile phone monitoring system, it is characterized in that, at least comprise a mobile phone A of being monitored and a monitoring mobile phone B, mobile phone A comprises interconnective by interception control device and frequency modulation modulation and emitter, and mobile phone B comprises interconnective interception control device and FM Receiver; The interception control device of described mobile phone B is coupled by interception control device by wireless network and described mobile phone A, and the frequency modulation modulation of described mobile phone A couples with the FM Receiver of emitter by wireless network and described mobile phone B.
Further, said system also can have following characteristics, and the interception control device of described mobile phone B is by the control signal that by interception control device transmission begun monitor of wireless network to mobile phone A; The described control signal that afterwards transmits transmitting voice information of being received by interception control device to described frequency modulation modulation and emitter; FM Receiver to mobile phone B after described frequency modulation modulation is received with emitter transmits the voice signal that listens to; Described FM Receiver receives described frequency modulation modulation and also plays with the voice signal of emitter transmission.
Further, said system also can have following characteristics, described frequency modulation modulation comprises the analog to digital converter of handling left channel signals with emitter, low pass filter and preamplifier, handle the analog to digital converter of right-channel signals, low pass filter and preamplifier, stereo generator, the FM modulator, digital to analog converter, I/Q frequency mixer and local oscillator, frequency synthesizer, power amplifier, low pass filter, the analog to digital converter of described processing left channel signals, low pass filter links to each other successively with preamplifier, the preamplifier of described processing left channel signals is connected to the preamplifier of handling right-channel signals by stereo generator, the analog to digital converter of described processing right-channel signals, low pass filter links to each other in turn with preamplifier, the preamplifier of described processing right-channel signals, described FM modulator, described digital to analog converter, described I/Q frequency mixer and local oscillator, described frequency synthesizer, described power amplifier is connected successively with described low pass filter, and described frequency synthesizer is connected to described I/Q frequency mixer and local oscillator.
Further, said system also can have following characteristics, and described FM Receiver comprises high-frequency amplifier, frequency mixer, intermediate frequency amplifier, intermediate-frequency filter, wave detector, demodulator and the low frequency amplifier that connects successively.
Further, said system also can have following characteristics, and described frequency modulation modulation is connected with the baseband processing chip of described mobile phone A with emitter, receives the user's voice signal.
Further, said system also can have following characteristics, and described FM Receiver is connected with the baseband processing chip of mobile phone B.
The utility model can realize that the police monitors some offender's mobile phone or near the functions such as sound of the monitoring mobile phone under some dangerous situation.
Description of drawings
Fig. 1 is the utility model embodiment mobile phone monitoring system block diagram.
Fig. 2 is the structured flowchart of frequency modulation modulation and emitter in the utility model embodiment mobile phone monitoring system.
Fig. 3 is the structured flowchart of the FM Receiver in the utility model embodiment mobile phone monitoring system.
Embodiment
Down embodiment is described in detail, but not as to qualification of the present utility model.
Embodiment
The described mobile phone monitoring system of the utility model embodiment comprises 2 mobile phones at least: mobile phone A and mobile phone B, and the mobile phone that mobile phone A is monitored, mobile phone B is the mobile phone that is used for monitoring mobile phone A.As shown in Figure 1, mobile phone A comprises by interception control device and frequency modulation (Frequency Modulation, FM) modulation and emitter; Mobile phone B comprises interception control device and FM Receiver.
The interception control device of mobile phone B is connected with its FM Receiver, and by being coupled by interception control device of wireless network and mobile phone A, to mobile phone A sent the beginning monitoring signal by interception control device, start FM Receiver simultaneously; The described modulation with the frequency modulation of mobile phone A by interception control device is connected with emitter, transmits the signal of transmitting voice information to this frequency modulation modulation and emitter; Described frequency modulation modulation couples with the FM Receiver of emitter by wireless network and mobile phone B, transmits the voice signal that listens to described FM Receiver; The FM Receiver of mobile phone B receives described frequency modulation modulation and also plays with the voice signal of emitter transmission.
Described frequency modulation modulation also is connected with the baseband processing chip of mobile phone A with emitter, receives the user voice signal of baseband processing chip transmission.
The interception control device of mobile phone B is sent the signal that stops to monitor to mobile phone A by interception control device; The described modulation with emitter to the frequency modulation of mobile phone A by interception control device sends the signal that stops transmitting voice information.
Described FM Receiver is connected with the baseband processing chip of mobile phone B.
As shown in Figure 2, described frequency modulation modulation comprises the analog to digital converter of handling left channel signals with emitter, low pass filter and preamplifier, handle the analog to digital converter of right-channel signals, low pass filter and preamplifier, stereo generator, the FM modulator, digital to analog converter, I/Q frequency mixer and local oscillator, frequency synthesizer, power amplifier, low pass filter, the analog to digital converter of described processing left channel signals, low pass filter links to each other successively with preamplifier, the preamplifier of described processing left channel signals is connected to the preamplifier of handling right-channel signals by stereo generator, the analog to digital converter of described processing right-channel signals, low pass filter links to each other in turn with preamplifier, the preamplifier of described processing right-channel signals, described FM modulator, described digital to analog converter, described I/Q frequency mixer and local oscillator, described frequency synthesizer, described power amplifier is connected successively with described low pass filter, described low pass filter also is connected to antenna for mobile phone, and described frequency synthesizer is connected to described I/Q frequency mixer and local oscillator.
Its operation principle is: the user's voice signal is by the microphone input of mobile phone A, and the L_in (L channel input) that is sent to frequency modulation modulation and emitter holds with R_in (R channel input), carry out the processing of analog-to-digital conversion, low-pass filtering, preposition amplification, FM modulation, digital-to-analogue conversion, frequency synthesis, power amplification, low-pass filtering in the frequency modulation modulation in regular turn with emitter inside then, be output as RF (radio frequency) signal, launch by antenna at last.
As shown in Figure 3, described FM Receiver comprises high-frequency amplifier, frequency mixer, intermediate frequency amplifier, intermediate-frequency filter, wave detector, demodulator and the low frequency amplifier that connects successively.
Its operation principle is: the antenna of mobile phone B receives the signal of described frequency modulation modulation and emitter emission, carry out high frequency amplification, mixing, intermediate frequency amplification, intermediate frequency filtering, detection, demodulation, low frequency amplification then in FM Receiver inside in regular turn, carry out voice output by earpiece at last.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art can make various corresponding changes and modification according to the utility model, but these corresponding changes and modification all should belong to the protection range of the appended claim of the utility model.
Claims (6)
1, a kind of mobile phone monitoring system, it is characterized in that, at least comprise a mobile phone A of being monitored and a monitoring mobile phone B, mobile phone A comprises interconnective by interception control device and frequency modulation modulation and emitter, and mobile phone B comprises interconnective interception control device and FM Receiver; The interception control device of described mobile phone B is coupled by interception control device by wireless network and described mobile phone A, and the frequency modulation modulation of described mobile phone A couples with the FM Receiver of emitter by wireless network and described mobile phone B.
2, the system as claimed in claim 1 is characterized in that:
The interception control device of described mobile phone B is by the control signal that by interception control device transmission begun monitor of wireless network to mobile phone A; The described control signal that afterwards transmits transmitting voice information of being received by interception control device to described frequency modulation modulation and emitter; FM Receiver to mobile phone B after described frequency modulation modulation is received with emitter transmits the voice signal that listens to; Described FM Receiver receives described frequency modulation modulation and also plays with the voice signal of emitter transmission.
3, the system as claimed in claim 1 is characterized in that:
Described frequency modulation modulation comprises the analog to digital converter of handling left channel signals with emitter, low pass filter and preamplifier, handle the analog to digital converter of right-channel signals, low pass filter and preamplifier, stereo generator, the FM modulator, digital to analog converter, I/Q frequency mixer and local oscillator, frequency synthesizer, power amplifier, low pass filter, the analog to digital converter of described processing left channel signals, low pass filter links to each other successively with preamplifier, the preamplifier of described processing left channel signals is connected to the preamplifier of handling right-channel signals by stereo generator, the analog to digital converter of described processing right-channel signals, low pass filter links to each other in turn with preamplifier, the preamplifier of described processing right-channel signals, described FM modulator, described digital to analog converter, described I/Q frequency mixer and local oscillator, described frequency synthesizer, described power amplifier is connected successively with described low pass filter, and described frequency synthesizer is connected to described I/Q frequency mixer and local oscillator.
4, the system as claimed in claim 1 is characterized in that:
Described FM Receiver comprises high-frequency amplifier, frequency mixer, intermediate frequency amplifier, intermediate-frequency filter, wave detector, demodulator and the low frequency amplifier that connects successively.
5, the system as claimed in claim 1 is characterized in that:
Described frequency modulation modulation is connected with the baseband processing chip of described mobile phone A with emitter, receives the user's voice signal.
6, the system as claimed in claim 1 is characterized in that:
Described FM Receiver is connected with the baseband processing chip of mobile phone B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203052183U CN201123090Y (en) | 2007-11-22 | 2007-11-22 | Mobile phone monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203052183U CN201123090Y (en) | 2007-11-22 | 2007-11-22 | Mobile phone monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201123090Y true CN201123090Y (en) | 2008-09-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203052183U Expired - Fee Related CN201123090Y (en) | 2007-11-22 | 2007-11-22 | Mobile phone monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201123090Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111190A (en) * | 2009-12-25 | 2011-06-29 | 康佳集团股份有限公司 | Method for transmitting file between mobile phones |
| CN102316487A (en) * | 2011-09-26 | 2012-01-11 | 中兴通讯股份有限公司南京分公司 | Communication monitoring method, device and system thereof |
| CN103220410A (en) * | 2013-03-15 | 2013-07-24 | 福州瑞芯微电子有限公司 | Frequency modulation (FM) broadcasting sharing method on mobile intelligent devices utilizing Bluetooth |
| CN104135738A (en) * | 2014-05-28 | 2014-11-05 | 大唐移动通信设备有限公司 | Monitoring device for mobile communication |
-
2007
- 2007-11-22 CN CNU2007203052183U patent/CN201123090Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111190A (en) * | 2009-12-25 | 2011-06-29 | 康佳集团股份有限公司 | Method for transmitting file between mobile phones |
| CN102316487A (en) * | 2011-09-26 | 2012-01-11 | 中兴通讯股份有限公司南京分公司 | Communication monitoring method, device and system thereof |
| WO2012152084A1 (en) * | 2011-09-26 | 2012-11-15 | 中兴通讯股份有限公司 | Communication monitoring method, device, and system thereof |
| CN103220410A (en) * | 2013-03-15 | 2013-07-24 | 福州瑞芯微电子有限公司 | Frequency modulation (FM) broadcasting sharing method on mobile intelligent devices utilizing Bluetooth |
| CN104135738A (en) * | 2014-05-28 | 2014-11-05 | 大唐移动通信设备有限公司 | Monitoring device for mobile communication |
| CN104135738B (en) * | 2014-05-28 | 2017-12-05 | 大唐移动通信设备有限公司 | A kind of monitoring device of mobile communication |
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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: 20080924 Termination date: 20131122 |