CN105356964A - Remote shielding alarm system for preventing IC card information from being stolen - Google Patents
Remote shielding alarm system for preventing IC card information from being stolen Download PDFInfo
- Publication number
- CN105356964A CN105356964A CN201510819465.4A CN201510819465A CN105356964A CN 105356964 A CN105356964 A CN 105356964A CN 201510819465 A CN201510819465 A CN 201510819465A CN 105356964 A CN105356964 A CN 105356964A
- Authority
- CN
- China
- Prior art keywords
- signal
- card
- module
- mobile phone
- information
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/20—Countermeasures against jamming
- H04K3/22—Countermeasures against jamming including jamming detection and monitoring
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/60—Jamming involving special techniques
- H04K3/68—Jamming involving special techniques using passive jamming, e.g. by shielding or reflection
Abstract
The invention relates to a remote shielding alarm system for preventing IC card information from being stolen. The system is formed by two major parts: a shielding card and a mobile phone APP software system. The shielding card is formed by a shielding signal module, a bluetooth communication module, a signal processing module and a power supply module, wherein the shielding signal module, the bluetooth communication module, the signal processing module and the power supply module are connected mutually via data signal lines; and the shielding signal module is provided with a high-frequency signal generator, a signal reception and emission antenna circuit arranged on the signal generator and a frequency-selecting circuit. The remote shielding alarm system has the following advantages: 1) the shielding distance is long: a good shielding effect can be obtained within a distance of 0-30MM of the shielding card and the IC card; and 2) the system has an alarm function: the shielding card is equipped with an LED lamp, and when lawless persons are around the IC card and carry out illegal stealing activity, the LED lamp on the system device immediately emits light and gives an alarm, and alarm signals, such as messages and the like, are sent to a mobile phone through bluetooth.
Description
Technical field
The present invention relates to a kind of long-range shielding warning system preventing IC card information to be stolen, belong to electronic information technical field.
Background technology
Along with the development of IC-card application, particularly mobile phone NFC function uses, and leakage gratuitous often appears in cardholder information, main cause be lawless person by mobile phone or other card-reading apparatus, near sheet that holder holds, illegal reading card internal information.This illegal activities make the fail safe of holder to IC-card deeply feel suspection, the enthusiasm that serious contusion pays with card.
To be stolen by lawless person make profit to take precautions against cardholder information; the metal materials such as aluminium foil are mainly adopted to make cutting ferrule in the market; although this method is feasible; but portably use inconvenience; and protected effect not good (only having a card to stack completely with cutting ferrule just to work), when occurring that lawless person carries out information stealth activity at one's side, holder does not know dangerous existence; if card is not at one's side, then holder more cannot know that the information of oneself is stolen.
Summary of the invention
In order to effectively solve the shortcoming of the said goods; better protection cardholder information safety; the invention provides a kind of long-range shielding warning system preventing IC card information to be stolen; this system can reach following protective effect: 1) this system and device put together with one or more IC-card (as together be placed in wallet); the whole conductively-closed of all IC card information, lawless person cannot be stolen by mobile phone or other equipment.2), when occurring that around IC-card lawless person illegally steals activity, namely the LED on system and device carries out luminous alarm, and by the alarm signal such as mobile phone transmission information of bluetooth to you.3) when shield card distance holder mobile phone is more than 5 ~ 10m, distance is by mobile phone A PP software systems sets itself, and the scope that can arrange is 5 ~ 100 meters, and bluetooth sends warning message from trend mobile phone, and points out the concrete orientation at shield card place.
For achieving the above object, technical solution of the present invention is as follows.
The long-range shielding warning system preventing IC card information to be stolen, be made up of shield card and mobile phone A PP software systems two large divisions, described shield card is made up of shielded signal module, bluetooth communication, signal processing module and power module; Shielded signal module, bluetooth communication, data signal line between signal processing module and power module, is adopted to be interconnected; Be provided with high frequency signal generator in shielded signal module, be arranged at Signal reception transmitting antenna circuit on signal generator and frequency selection circuit; During use, when peripheral signal steals equipment when the IC-card of shield card and protection thereof, the antenna that shield card built-in aerial and peripheral information steal equipment is formed and resonates, generate electromagnetic waves, obtain electric energy, excitation signal generator produces high-frequency signal, and launch great-power electromagnetic interference wave signal by built-in aerial, the IC-card signal making it protect is shielded effectively; The LED be simultaneously connected with shield card built-in aerial obtains electric energy and luminous alarm, and to bluetooth communication transmission abnormal signal; Prompting holder will watch out for the risk that there is information around and be stolen.
Further, above-mentioned bluetooth communication adopts the Bluetooth chip of low-power consumption to realize, and after the signal receiving the transmission of shielded signal module, produces a differential signal, after signal transacting and filtering, sends abnormal buying signals to holder's mobile phone.
Further, above-mentioned signal processing module is made up of Babylon circuit, the differential signal that bluetooth sends is processed, converts the signal of applicable antenna transmission to, send abnormal buying signals to mobile phone.
Further, above-mentioned power module is mainly Bluetooth chip and provides required electric energy.
Further, be provided with the APP alarm software based on the exploitation of smart mobile phone Android system in mobile phone A PP software systems, after the abnormal buying signals receiving shield card transmission, mobile phone sends abnormal alarm information and the tinkle of bells automatically.
Further, shield card body interior is provided with the screened circuit and Bluetooth control circuit, signal processing circuit and filter circuit that are stolen for anti-stop signal; This screened circuit comprises high frequency signal generator, is arranged at the Signal reception transmitting antenna circuit on signal generator and frequency selection circuit; During use, when peripheral information steals equipment near shield card, shield card built-in aerial and peripheral information are stolen device antenna and are formed and resonate, generate electromagnetic waves, obtain electric energy, excitation signal generator produces high-frequency signal, launches great-power electromagnetic interference wave signal by built-in aerial; The LED be simultaneously connected with shield card built-in aerial obtains electric current and luminous alarm, and by sending signal with the circuit of bluetooth I/O to bluetooth, after bluetooth receives high-frequency signal, through signal processing circuit and filter circuit, microwave signal is sent to mobile phone, after mobile phone A PP software systems acknowledge(ment) signal, information and warning the tinkle of bells can be sent.When IC-card and shield card are put together, when stealing equipment close to peripheral signal simultaneously, IC-card and peripheral signal are stolen the normal electromagnetic communication signal of equipment and are subject to the high-frequency high-power electromagnetic wave signal that shield card launches and disturb, make peripheral signal steal equipment and cannot normally read IC-card internal information, thus reach shielding action.Simultaneously holder's mobile phone receives the warning message and the tinkle of bells that occur abnormal transaction around IC-card, reaches prevent the data message in IC-card to be stolen Advantageous Effects that phenomenon occurs.
Further, shield card is made up of shielded signal module, bluetooth communication, signal processing module and power module, power module connects bluetooth communication, and bluetooth communication connects shielded signal module, signal processing module respectively, and signal processing module is connected with mobile phone A PP software systems, during use, when peripheral signal steals equipment when the IC-card of shield card and protection thereof, the antenna that shielded signal module built-in aerial and peripheral signal steal equipment is formed and resonates, generate electromagnetic waves, obtain electric energy, excitation signal generator produces high-frequency signal, great-power electromagnetic interference wave signal is launched by built-in aerial, make IC-card and peripheral signal steal normal electromagnetic communication signal between equipment be subject to shield card launch high-frequency high-power electromagnetic wave signal interference, make IC card information cannot be stolen equipment by peripheral signal to read, shielded signal module is when launching interference signal, trigger the LED luminous alarm be connected with shield card built-in aerial, and send the alarm signal such as information and the tinkle of bells by bluetooth communication to mobile phone, prompting holder watches out for the risk that information is stolen.When shield card distance holder mobile phone is more than 5 ~ 10m, distance is by mobile phone A PP software sets itself, and scope is 5 ~ 100 meters, and bluetooth sends warning message from trend mobile phone, and points out the concrete orientation at shield card place.
This beneficial effect of the invention is: compared with prior art, the present invention has the following advantages: 1) screening range is far away: existing aluminum foil shielded cutting ferrule only has to stick together completely with IC-card and just can play shield effectiveness, and in 0-30MM, all can obtain good shield effectiveness between shield card of the present invention and IC-card; 2) have warning function: shield card is equipped with LED, when occurring that around IC-card lawless person illegally steals activity, namely the LED on system and device carries out luminous alarm, and by bluetooth to alarm signals such as user mobile phone transmission information.3) when shield card distance holder mobile phone is 5 ~ 10m, distance is by mobile phone A PP software sets itself, and the scope that can arrange is 5 ~ 100 meters, and bluetooth sends warning message from trend mobile phone, and points out the concrete orientation at shield card place.
Accompanying drawing explanation
Fig. 1 be in the embodiment of the present invention use system framework figure.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described, better to understand the present invention.
Embodiment
The long-range shielding warning system preventing IC card information to be stolen as shown in Figure 1, be made up of shield card and mobile phone A PP software systems 105 two large divisions, described shield card is made up of shielded signal module 103, bluetooth communication 102, signal processing module 104 and power module 101, shielded signal module 103, bluetooth communication 102, between signal processing module 104 and power module 101, data signal line is adopted to be interconnected, be provided with high frequency signal generator in shielded signal module 103, be arranged at Signal reception transmitting antenna circuit on signal generator and frequency selection circuit, during use, when peripheral signal steals equipment 106 when the IC-card of shield card and protection thereof, the antenna that shield card built-in aerial and peripheral signal steal equipment 106 is formed and resonates, generate electromagnetic waves, obtain electric energy, excitation signal generator produces high-frequency signal, great-power electromagnetic interference wave signal is launched by built-in aerial, the IC-card signal making it protect is shielded effectively, the LED be simultaneously connected with shield card built-in aerial obtains electric energy and luminous alarm, and send signal to bluetooth communication 102, prompting holder will watch out for the risk that there is information around and be stolen, above-mentioned Bluetooth communication mould 102 adopts the Bluetooth chip of low-power consumption to realize, and after the signal receiving shielded signal module 103 transmission, produces a differential signal, after signal transacting and filtering, sends abnormal buying signals to holder's mobile phone, above-mentioned signal processing module 104 is made up of Babylon circuit, the differential signal that bluetooth sends is processed, converts the signal of applicable antenna transmission to, send abnormal buying signals to mobile phone, above-mentioned power module 101 is mainly Bluetooth chip and provides required electric energy, be provided with the APP alarm software based on the exploitation of smart mobile phone Android system in mobile phone A PP software systems 105, after the abnormal buying signals receiving shield card transmission, mobile phone sends abnormal alarm information and the tinkle of bells automatically.
Shield card body interior is provided with the screened circuit and Bluetooth control circuit, signal processing circuit and filter circuit that are stolen for anti-stop signal; This screened circuit comprises high frequency signal generator, be arranged at Signal reception transmitting antenna circuit on signal generator and frequency selection circuit; During use, when peripheral information steals equipment 106 near shield card, the antenna that shield card built-in aerial and peripheral information steal equipment 106 is formed and resonates, produce magnetic flux, obtain electric energy, excitation signal generator produces high-frequency signal, launches high-power interference signal by built-in aerial.The LED be simultaneously connected with shield card built-in aerial obtains electric current and passes through and luminous alarm, and by sending signal with the circuit of bluetooth I/O to bluetooth, after bluetooth receives high-frequency signal, through signal processing circuit and filter circuit, microwave signal is sent to mobile phone, after mobile phone A PP software systems 105 Received signal strength, information and warning the tinkle of bells can be sent.When IC-card and shield card are put together, when stealing equipment 106 close to peripheral signal simultaneously, IC-card and peripheral signal are stolen normal electromagnetic communication signal between equipment 106 and are subject to the high-frequency high-power electromagnetic wave signal that shield card launches and disturb, make peripheral signal steal equipment 106 and cannot normally read IC-card internal information, thus reach shielding action.Simultaneously holder's mobile phone receives the warning message and the tinkle of bells that occur abnormal transaction around IC-card, reaches prevent the data message in IC-card to be stolen Advantageous Effects that phenomenon occurs.
Shield card is made up of shielded signal module 103, bluetooth communication 102, signal processing module 104 and power module 101, power module 101 connects bluetooth communication 102, bluetooth communication 102 connects shielded signal module 103, signal processing module 104 respectively, and signal processing module 104 is connected with mobile phone A PP software systems 105, during use, when peripheral signal steals equipment 106 when the IC-card of shield card and protection thereof, the antenna that shielded signal module 103 built-in aerial and peripheral signal steal equipment 106 is formed and resonates, generate electromagnetic waves, obtain electric energy, excitation signal generator produces high-frequency signal, great-power electromagnetic interference wave signal is launched by built-in aerial, IC-card and peripheral signal are stolen normal electromagnetic communication signal between equipment and are subject to the high-frequency high-power electromagnetic wave signal that shield card launches and disturb, make IC card information cannot be stolen equipment by peripheral signal to read, shielded signal module 103 is when launching interference signal, trigger the LED luminous alarm be connected with shield card built-in aerial, and send the alarm signal such as information and the tinkle of bells by bluetooth communication 102 to mobile phone, prompting holder watches out for the risk that information is stolen.When shield card distance holder mobile phone is more than 5m ~ 10m, distance is by mobile phone A PP software systems 105 sets itself, and when the scope that can arrange is 5 ~ 100 meters, bluetooth sends warning message from trend mobile phone, and points out the concrete orientation at shield card place.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (7)
1. the long-range shielding warning system preventing IC card information to be stolen, it is characterized in that: be made up of shield card and mobile phone A PP software systems two large divisions, described shield card forms primarily of shielded signal module, bluetooth communication, signal processing module and power module; Shielded signal module, bluetooth communication, data signal line between signal processing module and power module, is adopted to be interconnected; Be provided with high frequency signal generator in shielded signal module, be arranged at Signal reception transmitting antenna circuit on signal generator and frequency selection circuit; During use, when peripheral signal steals equipment when the IC-card of shield card and protection thereof, the antenna that shield card built-in aerial and peripheral information steal equipment is formed and resonates, generate electromagnetic waves, obtain electric energy, excitation signal generator produces high-frequency signal, and built-in aerial launches great-power electromagnetic interference wave signal, and the IC-card signal making it protect is shielded effectively; The LED be simultaneously connected with shield card built-in aerial obtains electric energy and luminous alarm, and sends abnormal signal to bluetooth communication, reminds holder will watch out for surrounding and there is the risk that information is stolen.
2. the long-range shielding warning system preventing IC card information to be stolen according to claim 1, it is characterized in that: described bluetooth communication adopts the Bluetooth chip of low-power consumption to realize, after the signal receiving the transmission of shielded signal module, produce a differential signal, after signal transacting and filtering, send abnormal buying signals to holder's mobile phone.
3. the long-range shielding warning system preventing IC card information to be stolen according to claim 1, it is characterized in that: described signal processing module is made up of Babylon circuit, the differential signal that bluetooth sends is processed, convert the signal of applicable antenna transmission to, send abnormal buying signals to mobile phone.
4. the long-range shielding warning system preventing IC card information to be stolen according to claim 1, is characterized in that: described power module provides required electric energy for Bluetooth chip.
5. the long-range shielding warning system preventing IC card information to be stolen according to claim 1, it is characterized in that: in described mobile phone A PP software systems, be provided with the APP alarm software based on the exploitation of smart mobile phone Android system, after the abnormal buying signals receiving shield card transmission, mobile phone sends abnormal alarm information and the tinkle of bells automatically.
6. the long-range shielding warning system preventing IC card information to be stolen according to claim 1, is characterized in that: described shield card body interior is provided with the screened circuit and Bluetooth control circuit, signal processing circuit and filter circuit that are stolen for anti-stop signal; This screened circuit comprises high frequency signal generator, be arranged at Signal reception transmitting antenna circuit on signal generator and frequency selection circuit; During use, when peripheral information steals equipment near shield card, the antenna that shield card built-in aerial and peripheral information steal equipment is formed and resonates, generate electromagnetic waves, obtain electric energy, excitation signal generator produces high-frequency signal, and built-in aerial launches great-power electromagnetic interference wave signal; The LED be simultaneously connected with shield card built-in aerial obtains electric current and luminous alarm, and by sending signal with the circuit of bluetooth I/O to bluetooth, after bluetooth receives high-frequency signal, through signal processing circuit and filter circuit, microwave signal is sent to mobile phone A PP software systems, after mobile phone A PP software systems acknowledge(ment) signal, information and warning the tinkle of bells can be sent; When IC-card and shield card are put together, when stealing equipment close to peripheral signal simultaneously, IC-card and peripheral signal are stolen normal electromagnetic communication signal between equipment and are subject to the high-frequency high-power electromagnetic wave signal that shield card launches and disturb, make peripheral signal steal equipment and cannot normally read IC-card internal information, thus reach shielding action; Holder's mobile phone receives the warning message and the tinkle of bells that occur abnormal transaction around IC-card simultaneously, reaches the Advantageous Effects preventing the data message in IC-card to be stolen.
7. the long-range shielding warning system preventing IC card information to be stolen according to claim 1, it is characterized in that: described shield card is made up of shielded signal module, bluetooth communication, signal processing module and power module, power module connects bluetooth communication, bluetooth communication connects shielded signal module, signal processing module respectively, and signal processing module is connected with mobile phone A PP software systems, during use, when peripheral signal steals equipment when the IC-card of shield card and protection thereof, the antenna that shielded signal module built-in aerial and peripheral signal steal equipment is formed and resonates, generate electromagnetic waves, obtain electric energy, excitation signal generator produces high-frequency signal, great-power electromagnetic interference wave signal is launched by built-in aerial, make IC-card and peripheral signal steal normal electromagnetic communication signal between equipment to be subject to the high-frequency high-power electromagnetic wave signal that shield card launches and to disturb, cause IC card information cannot be stolen equipment by peripheral signal to read, shielded signal module is when launching interference signal, trigger the LED luminous alarm be connected with shield card built-in aerial, and send the alarm signal such as information and the tinkle of bells by bluetooth communication to mobile phone, prompting holder watches out for the risk that information is stolen, when shield card distance holder mobile phone is more than 5m ~ 10m, distance is by mobile phone A PP software systems sets itself, and the scope that can arrange is 5 ~ 100 meters, and bluetooth sends warning message from trend mobile phone, and points out the concrete orientation at shield card place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510819465.4A CN105356964A (en) | 2015-11-24 | 2015-11-24 | Remote shielding alarm system for preventing IC card information from being stolen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510819465.4A CN105356964A (en) | 2015-11-24 | 2015-11-24 | Remote shielding alarm system for preventing IC card information from being stolen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105356964A true CN105356964A (en) | 2016-02-24 |
Family
ID=55332853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510819465.4A Pending CN105356964A (en) | 2015-11-24 | 2015-11-24 | Remote shielding alarm system for preventing IC card information from being stolen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105356964A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107657191A (en) * | 2017-08-15 | 2018-02-02 | 深圳怡化电脑股份有限公司 | A kind of bank card damage reminding method and system, terminal device |
| WO2018083393A1 (en) | 2016-11-04 | 2018-05-11 | Ico | System for protection from loss or theft of a physical card |
| CN108985425A (en) * | 2018-06-22 | 2018-12-11 | 亳州学院 | A kind of card stolen for taking precautions against electronic information |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005339472A (en) * | 2004-05-31 | 2005-12-08 | Fuji Electric Holdings Co Ltd | Ic card system |
| KR20080008710A (en) * | 2006-07-21 | 2008-01-24 | 지상민 | Equipment for prevent of loss cellular-phone use on board rfid reader cellular-phone and rfid chip |
| CN102821185A (en) * | 2011-06-08 | 2012-12-12 | 上海启电信息科技有限公司 | Method for keeping personal belongings |
| CN103353947A (en) * | 2013-07-24 | 2013-10-16 | 车德军 | Anti-skimming protection device for radio frequency card |
| CN204632046U (en) * | 2015-03-16 | 2015-09-09 | 柯斌 | Bluetooth and mobile phone one-key is utilized to send the alarm of seek help message and GPS location |
| CN204680169U (en) * | 2015-06-18 | 2015-09-30 | 赖克泉 | Preventing child kicks quilt device |
-
2015
- 2015-11-24 CN CN201510819465.4A patent/CN105356964A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005339472A (en) * | 2004-05-31 | 2005-12-08 | Fuji Electric Holdings Co Ltd | Ic card system |
| KR20080008710A (en) * | 2006-07-21 | 2008-01-24 | 지상민 | Equipment for prevent of loss cellular-phone use on board rfid reader cellular-phone and rfid chip |
| CN102821185A (en) * | 2011-06-08 | 2012-12-12 | 上海启电信息科技有限公司 | Method for keeping personal belongings |
| CN103353947A (en) * | 2013-07-24 | 2013-10-16 | 车德军 | Anti-skimming protection device for radio frequency card |
| CN204632046U (en) * | 2015-03-16 | 2015-09-09 | 柯斌 | Bluetooth and mobile phone one-key is utilized to send the alarm of seek help message and GPS location |
| CN204680169U (en) * | 2015-06-18 | 2015-09-30 | 赖克泉 | Preventing child kicks quilt device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018083393A1 (en) | 2016-11-04 | 2018-05-11 | Ico | System for protection from loss or theft of a physical card |
| FR3058551A1 (en) * | 2016-11-04 | 2018-05-11 | Ico | CASE CONNECTED FOR CARD |
| CN107657191A (en) * | 2017-08-15 | 2018-02-02 | 深圳怡化电脑股份有限公司 | A kind of bank card damage reminding method and system, terminal device |
| CN107657191B (en) * | 2017-08-15 | 2020-09-15 | 深圳怡化电脑股份有限公司 | Bank card damage prompting method and system and terminal equipment |
| CN108985425A (en) * | 2018-06-22 | 2018-12-11 | 亳州学院 | A kind of card stolen for taking precautions against electronic information |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9130382B1 (en) | Charging protection circuit | |
| CN105356964A (en) | Remote shielding alarm system for preventing IC card information from being stolen | |
| CN203351736U (en) | NFC (Near Field Communication) antenna assembly and mobile phone | |
| CN103218894A (en) | Anti-lost system and anti-lost method of goods | |
| CN106019356A (en) | Radioactive source detector and searching method thereof | |
| CN203351748U (en) | NFC (Near Field Communication) antenna assembly and mobile phone | |
| CN204423399U (en) | For the radome of radio frequency identification equipment | |
| CN103353947A (en) | Anti-skimming protection device for radio frequency card | |
| CN203055109U (en) | Article anti-lost system | |
| Dai et al. | Inducing wireless chargers to voice out for inaudible command attacks | |
| CN103679358A (en) | Bank tail case safety management system and handover method based on radio frequency identification technology | |
| CN107124197A (en) | A kind of mobile terminal Notification Method and system based on wearable device | |
| CN103560842A (en) | Intelligent multiple-frequency distressed miner searching instrument based on RF signal capture | |
| CN206042008U (en) | A circuit for signal mask and anti -theft device thereof | |
| JP2008061208A (en) | Wireless communication device and method and wireless power supplying/receiving device and method | |
| CN102411720A (en) | Rfid antenna system | |
| CN202489386U (en) | Financial IC (Integrated Circuit) card signal protection sleeve | |
| CN201754294U (en) | Intelligent radio frequency identification burglary alarm | |
| CN104953246B (en) | The antenna of communication device | |
| GB2559320A (en) | Dual capsule tag | |
| US10990770B2 (en) | Portable object and NFC antenna thereof | |
| CN210928482U (en) | Anti-theft RFID shielding card | |
| CN207902626U (en) | Shared bicycle lock device based on NFC and shared bicycle | |
| CN202456948U (en) | Wireless anti-loss and anti-theft suitcase | |
| CN104814586A (en) | Trackable wallet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160224 |