CN2424581Y - Omnibearing seeking multi-frequency wave inhibitor - Google Patents
Omnibearing seeking multi-frequency wave inhibitor Download PDFInfo
- Publication number
- CN2424581Y CN2424581Y CN 00208119 CN00208119U CN2424581Y CN 2424581 Y CN2424581 Y CN 2424581Y CN 00208119 CN00208119 CN 00208119 CN 00208119 U CN00208119 U CN 00208119U CN 2424581 Y CN2424581 Y CN 2424581Y
- Authority
- CN
- China
- Prior art keywords
- amplifier
- circuit
- relay
- antenna
- signal
- 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 - Fee Related
Links
Landscapes
- Radio Relay Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The utility model relates to an omnibearing seeking multi-frequency wave inhibitor, which is composed of a detecting and controlling part and an emission part which is composed of a signal generator, a VCO module, a power amplification circuit, an isolating circuit, and an antenna Y2. The omnibearing seeking multi-frequency wave inhibitor can emit signals for interfering handset communication. The detecting and controlling part is composed of an antenna Y1, a band pass filter for leather, an automatic gain control low-noise amplifier, an isolator, a wave detecting circuit, a DC amplifier, a VOMS on-off tube, and a pushing circuit of a relay. After the antenna Y1 receives communication signals of a handset, waves are filtered; rectifying amplification pushes the relay to close. Thus, the emission part can work, and can detect and control handset communication interference all day. The utility model is suitable for military important positions and other confidential and sensitive areas.
Description
The utility model relates to electronic instrument, especially relates to a kind of electromagnetic search type multifrequency wave inhibitor that is used to suppress.
The spreading speed of mobile phone is very fast now, therefore a series of problems have also been brought, responsive place and other office that maintains secrecy to some special occasions such as army, how to prevent that mobile communication from divulging a secret and also do not have what way now, China Patent No. 99215785.4 discloses a kind of multifrequency wave inhibitor, when it is worked, can suppress mobile phone communication, but it must allow interference signal be in emission state always.
The purpose of this utility model is to provide a kind of uplink and downlink signal that goes out various mobile communcations systems at 24 hours all-weather detection huntings, start the emitting electrons disturbing wave immediately once just search, make externally omnidirectional's search type multifrequency wave inhibitor of communication of mobile phone.
The purpose of this utility model realizes by following technical scheme:
The utility model comprises tracks down part and emission part branch composition, as 825KHZ-960KHZ or 1885KHZ-2025KHZ, or the communication of 2110KHZ-2200KHZ uses transmitter when native system is searched control range work, the electromagnetic wave of its emission is received by the native system antenna, and convert its electromagnetic wave signal to corresponding high-frequency current, through band pass filter, the outer clutter of filtering band, entering low noise amplifier again amplifies, the signal that is exaggerated enters the wave detector detection again through behind the isolator, and rectification goes out dc signal, amplifies through direct current amplifier again, its dc signal is divided into two-way, one road signal of telecommunication is sent into the low noise amplifier automatic gain control circuit by feedback amplifier, and the gain of may command low noise amplifier makes the receiving unit level of native system moderate, can not transship, another road signal of telecommunication is sent into time-delay and relay circuit, makes the conducting of VOMS switching tube, also conducting adhesive of relay, the normally closed point of relay disconnects simultaneously, cuts off the low noise amplifier power supply it is quit work.And make normal battle closed, and connect the radiating portion power supply, make radiating portion launch 825MHZ-960KHZ or 1885-2025MHZ or 2110KHZ-2200KHZ interference signal, behind isolator, enter antenna again and launch with form of electromagnetic wave.
The utility model omnidirectional search type multifrequency wave inhibitor, because having to search, design tracks down part, when the communication that receives 825KHZ-960KHZ or 1885KHZ-2025KHZ or 2110KHZ-2200KHZ by antenna is worked with transmitter, will start transmitter emitting electrons disturbing wave immediately, make externally communication of mobile phone, therefore, it can accomplish round-the-clock detecting in 24 hours, and needn't allow wave inhibitor be in the emission operating state always.
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is circuit theory diagrams of the present utility model.
The circuit theory diagrams of a specific embodiment of the present utility model are provided by accompanying drawing 1.It is formed by tracking down part and radiating portion, tracks down part and comprises antenna Y1, band pass filter 1, automatic gain control low noise amplifier 2, isolator 3, detection and rectification circuit, direct current amplifier 4, relay 5, VOMS switching tube 6 and feedback amplifier 7 are formed.Antenna Y1 is connected in series band pass filter 1, amplifier 2, isolator 3, the detecting circuit that isolator 3 outputs serial connection is made up of C1, D1, D2, C2, connect direct current amplifier 4 inputs behind the detecting circuit serial connection R1, R3 is connected with direct current amplifier 4 inputs with a R2 end in parallel with R4 serial connection back, and the other end is connected with feedback amplifier 7 inputs with R6 serial connection back, and the output of feedback amplifier is connected with the automatic gain control circuit of amplifier 2, make the receiving unit level of native system moderate, can not transship.The output of amplifier 4 promotes circuit with the time-delay relay of being made up of R5, D3, C3, VOMS switching tube relay 5 and is connected, 2,3 node parallel diode D4 of relay 5,3 nodes are connected with the VOMS switching tube, 4 nodes of normally closed some J1 of relay 5 are connected with amplifier 2,1 node is connected with power supply, and 5 nodes of the J2 of often making war are connected with power amplifier module 8.When promoting circuit, time-delay and relay circuit make the conducting of VOMS pipe, also conducting adhesive of relay, and delayed time 3-8 minute, normally closed some J1 of relay disconnects simultaneously, cut off the low noise amplifier power supply and make its J2 closure that quits work, often makes war, connect the power supply of radiating portion, make and launch 825MHZ-960KHZ or 1885-2025MHZ or the 2110KHZ-2200KHZ interference signal is passed through isolator 11, antenna Y2 again through VCO module 10 and power amplifier module 8, launch with form of electromagnetic wave, with the purpose of transmitting set communication in the control certain limit.
Claims (1)
1, a kind of omnidirectional search type multifrequency wave inhibitor, form radiating portion by signal generator (9) by tracking down part and radiating portion, VCO module (10) power amplification circuit (8) and buffer circuit (11) and antenna Y2 form, can launch the interference handset conversation signal, it is characterized in that: track down the antenna Y1 that part contains serial connection, band pass filter (1), automatic gain control low noise amplifier (2), isolator (3), detecting circuit, direct current amplifier (4), after antenna Y1 receives the mobile communication signal, convert corresponding high-frequency current to, enter amplifier (2) through band pass filter, send into detecting circuit through isolator again, detection, rectification goes out dc signal and amplifies through direct current amplifier, the direct current amplifier output promotes circuit with time-delay relay respectively and is connected with feedback amplifier, the dc signal that direct current amplifier produces is divided into two-way, one road signal of telecommunication is sent into the automatic gain control circuit of low noise amplifier by feedback amplifier, another road signal of telecommunication sends into time-delay and relay promotes circuit, 2 of relay (5), 3 node parallel diode D4,3 nodes link to each other with the VOMS pipe, 4 nodes of normally closed some J1 of relay (5) are connected with amplifier (2), node 1 is connected with power supply, and the node 5 of the J2 of often making war is connected with power amplifier module (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00208119 CN2424581Y (en) | 2000-04-25 | 2000-04-25 | Omnibearing seeking multi-frequency wave inhibitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00208119 CN2424581Y (en) | 2000-04-25 | 2000-04-25 | Omnibearing seeking multi-frequency wave inhibitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2424581Y true CN2424581Y (en) | 2001-03-21 |
Family
ID=33575586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00208119 Expired - Fee Related CN2424581Y (en) | 2000-04-25 | 2000-04-25 | Omnibearing seeking multi-frequency wave inhibitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2424581Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1293776C (en) * | 2004-01-06 | 2007-01-03 | 英华达（南京）科技有限公司 | Method for realizing low-power system and high-power system to synchronously hold-on receiver on double frequency mobile hand-set |
| CN101354412A (en) * | 2008-08-28 | 2009-01-28 | 深圳华为通信技术有限公司 | Apparatus for testing electromagnetic radiation strength |
-
2000
- 2000-04-25 CN CN 00208119 patent/CN2424581Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1293776C (en) * | 2004-01-06 | 2007-01-03 | 英华达（南京）科技有限公司 | Method for realizing low-power system and high-power system to synchronously hold-on receiver on double frequency mobile hand-set |
| CN101354412A (en) * | 2008-08-28 | 2009-01-28 | 深圳华为通信技术有限公司 | Apparatus for testing electromagnetic radiation strength |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR960006357A (en) | Output power control circuit and aerial commoner of mobile communication device | |
| CA2072972A1 (en) | Method of controlling output power in a mobile radio communication system | |
| EP1003049A3 (en) | Repeater jamming transmitter and casing for the same | |
| AU2001275629A1 (en) | Cascaded pumping system for distributed raman amplification in optical fiber telecommunication systems | |
| AU6902000A (en) | Automatic gain control loop for frequency conversion of quadrature signals | |
| US7751782B2 (en) | Radio frequency signal transceiver device capable of enhancing transmission and reception performance of mobile communication device | |
| AU770954B2 (en) | Carrier changing apparatus | |
| CN2424581Y (en) | Omnibearing seeking multi-frequency wave inhibitor | |
| CN2545761Y (en) | Mobile multifrequency wave suppressor | |
| CN201639582U (en) | Repeater solving mobile object coverage | |
| DE3678887D1 (en) | NEWS TRANSMISSION SYSTEM FOR ELECTROMAGNETIC WAVES. | |
| EP1168698A4 (en) | Communication blocking device and communication blocking method | |
| CN101742631B (en) | Repeater for solving covering of moving body and control method thereof | |
| CN110011720A (en) | A kind of day leads to linear link amplifier in ground satellite station room | |
| CN209964054U (en) | Indoor linear relay amplifier of earth station of heaven-earth satellite | |
| US6275509B1 (en) | Masked signal transceiver | |
| CN2826846Y (en) | Signal isolator for mobile telephone | |
| EP0750403A3 (en) | Radio transmitter/receiver | |
| CN1707994A (en) | Mobile telephone signal isolator | |
| JP2819919B2 (en) | Radio selective call receiver | |
| CN219718238U (en) | Time service signal transmission system | |
| CN204425351U (en) | A kind of infrared stero set R-T unit | |
| CN211448050U (en) | Electronic fence based on GSM-R base station | |
| EP0100080A2 (en) | Voice detection filter | |
| US6687490B2 (en) | Transmission apparatus and method for a mobile communication terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |