CN109803524B - Intelligent glass - Google Patents
Intelligent glass Download PDFInfo
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- CN109803524B CN109803524B CN201910181780.7A CN201910181780A CN109803524B CN 109803524 B CN109803524 B CN 109803524B CN 201910181780 A CN201910181780 A CN 201910181780A CN 109803524 B CN109803524 B CN 109803524B
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Abstract
The application discloses intelligence glass includes: the anti-eavesdropping thin film layer is arranged on the glass plate and used for receiving and absorbing the eavesdropping electromagnetic waves and/or generating new electromagnetic waves after receiving the eavesdropping electromagnetic waves. This application embodiment is through setting up the one deck anti-eavesdrop film on the glass board for when eavesdrop the electromagnetic wave and incide on this glass board, can be absorbed by the anti-eavesdrop film, and/or under this effect of eavesdropping the electromagnetic wave, produce new electromagnetic wave and launch, cause the destruction of eavesdropping information, thereby make the regulator can't resolve accurate eavesdrop information, lead to eavesdropping the failure, the efficiency of eavesdropping is improved, anti-eavesdrop configuration cost has been reduced.
Description
Technical Field
The application generally relates to anti-eavesdropping technical field, concretely relates to intelligent glass.
Background
Due to the directional and monochromic properties of laser light, it is used for eavesdropping techniques. The laser is adopted to generate laser which is emitted to the glass of a room to be eavesdropped or the window glass of a running vehicle, when people in the room or the vehicle converse, the glass vibrates due to indoor sound change, and the laser reflected from the glass contains vibration information of indoor sound waves. Furthermore, after the indoor sound signal is received by the laser, the sound signal can be demodulated, and the indoor or in-car conversation content can be monitored.
At present, in order to prevent the conversation content in the room or the car from being eavesdropped, the people in the room or the car adopt the optical fiber during communication, so that all the external electromagnetic waves cannot enter, and the purpose of anti-eavesdropping is achieved.
For realizing anti-eavesdropping by adopting the optical fiber, the communication environment of people is inconvenient, and the configuration cost is high.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a smart glass to improve anti-eavesdropping efficiency and reduce anti-eavesdropping configuration costs.
The embodiment of the application provides an intelligent glass, include:
the anti-eavesdropping thin film layer is arranged on the glass plate and used for receiving and absorbing the eavesdropping electromagnetic waves and/or generating new electromagnetic waves after receiving the eavesdropping electromagnetic waves.
In another embodiment of the present application, the anti-eavesdropping film layer comprises a photo-deformable liquid crystal polymer layer.
In another embodiment of the present application, the eavesdropping-resistant film layer comprises an upconverting particle layer.
In another embodiment of the present application, the anti-eavesdropping film layer comprises a layer of a photo-deformable liquid crystal polymer and a layer of upconverting particles.
In another embodiment of the present application, the photo-deformable liquid crystal polymer layer is disposed on the glass plate, and the up-conversion particle layer is disposed on the liquid crystal layer.
In another embodiment of the present application, the photo-deformable liquid crystal polymer layer and the up-conversion particle layer are disposed on both sides of the glass plate.
In another embodiment of the present application, a sensor is disposed on the photo-deformable liquid crystal polymer layer.
In another embodiment of the present application, the vibration frequency of the photo-deformable liquid crystal polymer layer is consistent with the frequency of the intercepted electromagnetic wave.
In another embodiment of the present application, the photo-deformable liquid crystal polymer layer is a polyacrylate photo-deformable liquid crystal polymer layer containing a vibration group or a cross-linkable siloxane photo-deformable polymer layer.
In another embodiment of the present application, the layer of upconverting particles is a rare earth ion doped compound.
To sum up, the intelligent glass that this application embodiment provided, through set up the one deck anti-eavesdrop film on the glass board, when making eavesdrop the electromagnetic wave and inciding into on this glass board, can be absorbed by anti-eavesdrop film, and/or under this effect of eavesdropping the electromagnetic wave, produce new electromagnetic wave and launch, cause the destruction of eavesdropping the information, thereby make the regulator can't resolve accurate eavesdropping information, lead to eavesdropping the failure, the efficiency of eavesdropping is improved, anti-eavesdropping configuration cost has been reduced.
Further, the embodiment of the present application absorbs the wiretap electromagnetic wave by using the photo-induced deformation liquid crystal polymer layer, and/or generates a new electromagnetic wave by vibration, so as to destroy the wiretap information, and thus the wiretap is failed.
Further, in the embodiment of the present application, the intercepted electromagnetic wave is received by using the upconversion particle layer, the wavelength of the intercepted electromagnetic wave is changed, a new electromagnetic wave is generated, and the intercepted information is destroyed, so that the interception fails.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a laser eavesdropping configuration according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a smart glass according to an embodiment of the present application;
FIG. 3 is a schematic structural view of a smart glass according to yet another embodiment of the present application;
FIG. 4 is a schematic structural diagram of a smart glass according to another embodiment of the present application;
FIG. 5 is a schematic structural view of a smart glass according to another embodiment of the present application;
fig. 6 is a schematic structural diagram of a smart glass according to another embodiment of the present application.
Description of reference numerals:
1-vibrating object, 2-glass plate, 3-anti-eavesdropping film, 31-photoinduced deformation liquid crystal polymer layer, 32-up-conversion particle layer and 33-sensor.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for the convenience of description, only the portions relevant to the application are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is understood that when eavesdropping on indoor or in-car talk contents is performed using laser light, as shown in fig. 1, it may be implemented using a laser demodulator and a laser transmitter, and the laser light emitted from the laser transmitter may be infrared laser light. When eavesdropping is carried out, infrared laser emitted by the laser emitter penetrates through glass on a house or a vehicle and is incident on the surface of an object in a room or the vehicle, such as a cabinet in the room or a rearview mirror. Because the sound wave generated by indoor people talking can cause the vibration of the surface of an indoor object, when the broadcast incident to the surface of the object is reflected back to the laser demodulator, the broadcast carries the vibration information of the object, namely the sound wave information of indoor talking, so that the laser demodulator can analyze the sound wave information to realize eavesdropping.
In order to prevent the eavesdropping through the laser, the embodiment of the application ensures the information safety, and provides the intelligent glass, so that the sound wave information carried by the laser returning to the laser demodulator is damaged, and the content to be eavesdropped cannot be analyzed.
For convenience of understanding and explanation, the user behavior analysis system and method provided by the embodiment of the present application are described in detail below with reference to fig. 2 to 6.
Fig. 2 is a schematic structural diagram of a smart glass provided in an embodiment of the present application, and the smart glass shown in fig. 2 includes:
the anti-eavesdropping thin film layer is arranged on the glass plate and used for receiving and absorbing the eavesdropping electromagnetic waves and/or generating new electromagnetic waves after receiving the eavesdropping electromagnetic waves.
Specifically, in order to prevent the eavesdropping of the conversation content, the smart glass of the embodiment of the application may be provided with an anti-eavesdropping film layer on the glass plate of the window of the house or the vehicle, so that when the eavesdropping laser emitted by the laser emitter directly reaches the glass plate or is reflected to the glass plate by a vibrating object in the room, the anti-eavesdropping film attached to the glass plate can fully or partially absorb the eavesdropping electromagnetic wave, and the electromagnetic wave returned to the laser demodulator is distorted. Alternatively, after the anti-eavesdropping film layer receives the eavesdropping electromagnetic wave, a new electromagnetic wave can be generated based on the excitation action of the eavesdropping electromagnetic wave, so that the characteristics of the light wave returning to the demodulator are influenced. Alternatively, when laser light is incident on the anti-eavesdropping film, a new electromagnetic wave may be generated while absorbing a part of the electromagnetic wave to destroy information carried by the eavesdropping electromagnetic wave.
Optionally, in the smart glass provided in this application, the anti-eavesdropping film may be a photo-deformable liquid crystal polymer layer.
Specifically, as shown in fig. 3, when an electromagnetic wave is intercepted, for example, an infrared laser beam is incident on the photo-deformable liquid crystal polymer layer, the vibrating mass included therein vibrates, that is, a new electromagnetic wave is generated. The vibration information may be superimposed with the original incident electromagnetic wave and returned to the demodulator, thereby distorting the content parsed by the demodulator.
Alternatively, when eavesdropping electromagnetic waves are incident to the photo-deformable liquid crystal polymer layer, the photo-deformable liquid crystal polymer layer absorbs a part of the electromagnetic waves, so that information of the electromagnetic waves returned to the demodulator is lost.
For example, the vibration frequency of the photo-deformable liquid crystal polymer layer may be set to coincide with the incident frequency of eavesdropping electromagnetic waves, such as near to infrared. Therefore, after the incident laser reaches, the energy generated by the vibration of the photoinduced deformation liquid crystal polymer layer is optically coupled with the received electromagnetic wave, and the infrared light is absorbed by the vibrated liquid crystal molecules, so that the eavesdropping failure can be caused.
Further, as shown in fig. 4, in order to perfect the configuration for anti-eavesdropping and secure information, a plurality of sensors, such as piezoelectric crystal sensors, etc., may be mounted on the glass plate. After infrared laser emitted by the laser device is incident to the photoinduced deformation liquid crystal polymer layer, the vibration of the vibration groups in the photoinduced deformation liquid crystal polymer layer can cause the stress of the film layer to change and warp due to the vibration and the deformation of the polymer layer, so that the polymer layer is sensed by the sensor, indoor personnel are further reminded to find eavesdropping and conversation is stopped.
Optionally, the vibrating group included in the photo-deformable liquid crystal polymer layer may be azobenzene. The material can be polyacrylate photo-induced deformation liquid crystal polymer material or cross-linking siloxane photo-induced deformation polymer liquid crystal material and the like. It is to be understood that the present application is not so limited.
In another embodiment of the present application, as shown in fig. 5, the eavesdropping-resistant film layer is an upconverting particle layer.
Specifically, when eavesdropping electromagnetic waves such as infrared laser light are incident on the upconversion particle layer, the eavesdropping electromagnetic waves convert the incident infrared laser light into blue light, i.e., new electromagnetic waves are generated, so that original infrared information or information including conversation contents returned from indoor objects is distorted, and eavesdropping fails.
Optionally, the upconversion particle layer may be a rare earth ion doped compound, mainly fluoride, oxide, sulfur-containing compound, oxyfluoride, halide, etc. The coating thickness can be 10-100 um.
Optionally, in order to improve the eavesdropping-resistant efficiency, as shown in fig. 6, the eavesdropping-resistant film layer includes a photo-deformable liquid crystal polymer layer and/or an up-conversion particle layer.
Specifically, the glass plate can be simultaneously provided with the photoinduced deformation liquid crystal polymer layer and the up-conversion particle layer according to actual conditions. If the photoinduced deformation liquid crystal polymer layer is arranged on the glass plate, the up-conversion particle layer is arranged on the liquid crystal layer. Alternatively, the photo-deformable liquid crystal polymer layer and the up-conversion particle layer may be disposed on both sides of the glass plate. Namely, the up-conversion particle layer is arranged on one side of the glass plate outside the room, and the photoinduced deformation liquid crystal polymer layer is arranged on one side of the glass plate close to the room.
In practice, when the intercepted infrared laser light (i.e., the intercepted electromagnetic wave) is incident on the glass plate, the emitted infrared laser light is first converted into blue light using the outermost upconversion particles. The newly generated blue light and the red light with the residual energy continue to irradiate the middle layer, and the newly generated blue light may cause the polymer layer to vibrate, and as time increases, more energy of the blue light increases, which causes the change of the internal stress of the middle polymer film layer, and finally causes warpage and deformation. This deformation-induced stress change is sensed by the mounted sensors on the glass sheet, alerting personnel in the room, causing eavesdropping to be discovered and terminated. Meanwhile, since such continuous vibration is received by infrared, the reflected infrared light is very little and the signal is impure, so that the eavesdropping is failed.
Optionally, in this embodiment, the vibration frequency of the photo-induced deformable liquid crystal polymer layer may be set to be the same as the incident frequency of the eavesdropping electromagnetic wave, that is, due to the effect of the upper particle conversion layer, the vibration frequency of the polymer layer may be close to the blue light, so that after the incident laser reaches, the energy generated by the vibration of the photo-induced deformable liquid crystal polymer layer is optically coupled with the received electromagnetic wave, and the blue light is absorbed by the vibrated liquid crystal molecules, thereby causing the eavesdropping failure.
To sum up, the intelligent glass that this application embodiment provided, through set up the one deck anti-eavesdrop film on the glass board, when making eavesdrop the electromagnetic wave and inciding into on this glass board, can be absorbed by the anti-eavesdrop film, and/or under this effect of eavesdropping the electromagnetic wave, produce new electromagnetic wave and launch, cause the destruction of eavesdropping the information, thereby make the regulator can't resolve accurate eavesdropping information, lead to eavesdropping the failure, the efficiency of eavesdropping is improved, anti-eavesdropping configuration cost has been reduced.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the application referred to in the present application is not limited to the particular combination of features described above, but also covers other arrangements formed by any combination of the above features or their equivalents without departing from the spirit of the application. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (8)
1. A smart glass, comprising: the anti-eavesdropping thin film layer is arranged on the glass plate and comprises a photoinduced deformation liquid crystal polymer layer, the photoinduced deformation liquid crystal polymer layer is used for receiving the eavesdropping electromagnetic wave, vibration is generated by a vibration group contained in the photoinduced deformation liquid crystal polymer layer, new electromagnetic waves are generated, and the new electromagnetic waves are superposed with the received eavesdropping electromagnetic waves to return to the demodulator, so that the content obtained by the analysis of the demodulator is distorted.
2. The smart glass of claim 1, wherein the anti-eavesdropping film layer comprises a photo-deformable liquid crystal polymer layer and an upconverting particle layer.
3. The smart glass of claim 2, wherein the photo-deformable liquid crystal polymer layer is disposed on the glass plate and the up-conversion particle layer is disposed on the photo-deformable liquid crystal polymer layer.
4. The smart glass of claim 2, wherein the layer of photo-deformable liquid crystal polymer and the layer of upconverting particles are disposed on opposite sides of the glass sheet.
5. The smart glass of any of claims 1-4, wherein a sensor is disposed on the glass sheet.
6. The smart glass of any one of claims 1 to 4, wherein the vibration frequency of the photo-deformable liquid crystal polymer layer is identical to the frequency of the received eavesdropping electromagnetic wave.
7. The smart glass of any one of claims 1 to 4, wherein the photo-deformable liquid crystal polymer layer is a polyacrylate photo-deformable liquid crystal polymer layer containing a vibration group or a cross-linkable siloxane photo-deformable polymer layer.
8. The smart glass of claim 2, wherein the upconversion particle layer is a rare earth ion doped compound layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910181780.7A CN109803524B (en) | 2019-03-11 | 2019-03-11 | Intelligent glass |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910181780.7A CN109803524B (en) | 2019-03-11 | 2019-03-11 | Intelligent glass |
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| CN109803524A CN109803524A (en) | 2019-05-24 |
| CN109803524B true CN109803524B (en) | 2020-07-28 |
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| CN111129780B (en) * | 2019-12-28 | 2021-11-23 | 华南理工大学 | Structure for improving oblique incidence characteristic of glass material in 5G millimeter wave frequency band |
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|---|---|---|---|---|
| CN201619272U (en) * | 2009-10-15 | 2010-11-03 | 傅彦清 | Electromagnetic signal leakage preventing and anti-eavesdrop glass |
| CN101942058A (en) * | 2010-08-26 | 2011-01-12 | 复旦大学 | Infrared photodeformable liquid crystal high-polymer nano composite material and preparation method thereof |
| CN107316624A (en) * | 2017-07-17 | 2017-11-03 | 京东方科技集团股份有限公司 | The method of adjustment of display device and its display brightness |
| CN107504861A (en) * | 2017-09-26 | 2017-12-22 | 广州特盾特种玻璃有限公司 | A kind of automobile-used tungsten filament heating temperature control and the bulletproof glass of signal shielding |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101001471B1 (en) * | 2003-10-10 | 2010-12-14 | 삼성전자주식회사 | Organic TFT having Enhanced Charge Carrier Mobility using Surface Relief Structure |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201619272U (en) * | 2009-10-15 | 2010-11-03 | 傅彦清 | Electromagnetic signal leakage preventing and anti-eavesdrop glass |
| CN101942058A (en) * | 2010-08-26 | 2011-01-12 | 复旦大学 | Infrared photodeformable liquid crystal high-polymer nano composite material and preparation method thereof |
| CN107316624A (en) * | 2017-07-17 | 2017-11-03 | 京东方科技集团股份有限公司 | The method of adjustment of display device and its display brightness |
| CN107504861A (en) * | 2017-09-26 | 2017-12-22 | 广州特盾特种玻璃有限公司 | A kind of automobile-used tungsten filament heating temperature control and the bulletproof glass of signal shielding |
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