CN110276218B - Display module, self-destruction method of display module and electronic equipment - Google Patents
Display module, self-destruction method of display module and electronic equipment Download PDFInfo
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- CN110276218B CN110276218B CN201910562730.3A CN201910562730A CN110276218B CN 110276218 B CN110276218 B CN 110276218B CN 201910562730 A CN201910562730 A CN 201910562730A CN 110276218 B CN110276218 B CN 110276218B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/84—Protecting input, output or interconnection devices output devices, e.g. displays or monitors
Abstract
The application provides a display module, a self-destruction method of the display module and electronic equipment. The display module comprises a display panel; the display module comprises an instruction acquisition module and a display state switching module, wherein the instruction acquisition module is coupled with the display state switching module and is used for acquiring a protection instruction which is used for indicating the display state switching module to be switched to a protection mode, and the display module is in a screen-off state in the protection mode; the self-destruction module is coupled with the instruction acquisition module and the display state switching module, and is used for counting the screen extinguishing time length when the display module is in the screen extinguishing state, the screen extinguishing time length exceeds the preset time length, and when the instruction acquisition module does not receive an unlocking instruction, the display state switching module is destroyed, so that the display module is maintained in the screen extinguishing state.
Description
Technical Field
The application relates to the technical field of display, in particular to a display module, a self-destruction method of the display module and electronic equipment.
Background
At present, along with the high-speed development of intelligent terminal technology, intelligent terminal's prevalence also gradually improves, and intelligent terminal's function is also richened gradually.
For example, in the related art, the smart terminal may have a positioning function and may record location information of a user, for example, X year, X month, and X day, and a storage function and may store video information and image information captured or received by the user. In other words, a lot of user privacy is often stored in the smart terminal of the user, and how to prevent the user privacy from being revealed also becomes a technical problem to be solved in the field.
Disclosure of Invention
In order to protect the privacy of a user under the condition that the electronic equipment is lost, the application provides a display module, a self-destruction method of the display module and the electronic equipment.
According to a first aspect of embodiments of the present application, there is provided a display module, including:
a display panel;
the display module comprises an instruction acquisition module and a display state switching module, wherein the instruction acquisition module is coupled with the display state switching module and is used for acquiring a protection instruction which is used for indicating the display state switching module to be switched to a protection mode, and the display module is in a screen-off state in the protection mode;
the self-destruction module is coupled with the instruction acquisition module and the display state switching module, and is used for counting the screen extinguishing time length when the display module is in the screen extinguishing state, the screen extinguishing time length exceeds the preset time length, and when the instruction acquisition module does not receive an unlocking instruction, the display state switching module is destroyed, so that the display module is maintained in the screen extinguishing state.
Optionally, the display module further includes:
the rechargeable battery module is electrically connected with the instruction acquisition module, the display state switching module and the self-destruction module so as to provide a power supply signal.
Optionally, the rechargeable battery module includes:
a battery film layer tiled on the display panel, and the battery film layer is not greater in specification than the display panel.
Optionally, the instruction obtaining module includes: at least one of:
the remote communication module is used for establishing communication connection with an external device so as to receive a protection instruction from the external device;
the detection module is used for detecting the user unlocking times aiming at the display module, so that the protection instruction is generated when the user unlocking times exceed the preset times.
Optionally, the instruction obtaining module, the display state switching module and the self-destruction module are integrated on the same circuit board.
According to a third aspect of the embodiments of the present application, there is provided an electronic device including the display module according to any one of the embodiments.
Optionally, the display module includes a display state switching module, and the self-destruction method includes:
acquiring a protection instruction, wherein the protection instruction is used for indicating the display state switching module to switch to a protection mode, and the display module is in a screen-off state in the protection mode;
the method comprises the steps of obtaining the screen extinguishing time length when the display module is in the screen extinguishing state, and destroying the display state switching module when the screen extinguishing time length exceeds the preset time length and an unlocking instruction is not received, so that the display module is maintained in the screen extinguishing state.
Optionally, the display module includes a remote communication module, and the obtaining of the protection instruction includes:
receiving a remote protection instruction from an external device which establishes communication connection with the remote communication module; alternatively, the first and second electrodes may be,
and detecting that the user unlocking times aiming at the display module exceed the preset times.
Optionally, the destroying the display state switching module includes:
increasing a current input to the display state switching module so that the display state switching module is damaged.
Optionally, the method further includes:
when an unlocking instruction is received within the preset time length, the display state switching module is switched to a control mode;
and under the control mode, the display state switching module can switch the display state of the display module.
According to the embodiment, the display module can be switched to the screen-off state after the instruction acquisition module acquires the protection instruction, and the display state switching module of the display module is automatically destroyed after the screen-off time exceeds the preset time, so that the display module is maintained in the screen-off state for a long time, the user privacy information cannot be shown, and the user privacy is protected; secondly, a buffering time length is provided by setting a preset time length, so that the situation that the display state switching module is damaged after the instruction acquisition module receives the protection instruction is avoided, and the undamaged electronic equipment can still be retrieved within the preset time length; in addition, destroy the display module assembly's display function through destroying display state switching module, and need not to destroy pixel structure and circuit in the display panel to when long external retrieval electronic equipment when predetermineeing, only need maintain to display state switching module, can reduce user's cost of maintenance.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic structural diagram of a display module according to an exemplary embodiment of the present disclosure.
Fig. 2 is a block diagram of a display module according to an exemplary embodiment of the present disclosure.
Fig. 3 is a schematic structural diagram of another display module according to an exemplary embodiment of the present application.
Fig. 4 is a flowchart illustrating a self-destruction method of a display module according to an exemplary embodiment of the present application.
Fig. 5 is a flowchart illustrating another self-destruction method for a display module according to an exemplary embodiment of the present application.
Fig. 6 is a block diagram of a self-destruction apparatus of a display module according to an exemplary embodiment of the present application.
Fig. 7 is a block diagram of another self-destruction apparatus of a display module according to an exemplary embodiment of the present application.
Fig. 8 is a block diagram of a self-destruction apparatus of another display module according to an exemplary embodiment of the present application.
Fig. 9 is a block diagram of a self-destruction apparatus of a display module according to an exemplary embodiment of the present application.
Fig. 10 is a block diagram of a self-destruction apparatus of another display module according to an exemplary embodiment of the present application.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
In the related art, electronic devices equipped with display screens usually store privacy information of many users, and once the electronic devices are lost or stolen, the privacy information of the users can be easily leaked, which causes privacy outflow and is an event that the users are unwilling to happen.
Based on this, the present application provides a display module 100, when the electronic device configured with the display module 100 is lost or stolen, the display module can be self-destructed, so that the display module cannot display, thereby protecting the user privacy information stored in the electronic device.
Specifically, as shown in fig. 1, the display module 100 may include a display panel 1, an instruction obtaining module 2, a display state switching module 3, and a self-destruction module 4. The display panel 1 may be used for image information and text information in an electronic device, the instruction obtaining module 2 is coupled with the display state switching module 3, and the display state switching module 3 is coupled with the display panel 1, so as to switch the display state of the display panel 1 through the display state switching module 3.
The instruction obtaining module 2 may be configured to obtain a protection instruction, where the protection instruction may be used to instruct the display state switching module 3 to switch to a protection mode, and the display module 100 is in a screen-off state in the protection mode, that is, the display panel 1 is black, and does not display any related information. The self-destruction module 4 is coupled with the instruction acquisition module 2 and the display state switching module 3, the self-destruction module 4 can also be used for counting the screen-off duration of the display module 100 in the screen-off state, and when the screen-off duration exceeds the preset duration and the instruction acquisition module 2 does not receive the unlocking instruction, the display state switching module 3 is destroyed, so that the display module 100 is maintained in the screen-off state. The preset time period may be five minutes, ten minutes, thirty minutes, or one hour, and may be specifically set by a user, and the application is not limited.
As can be seen from the foregoing embodiment, in the application, the display module 100 may be switched to the screen-off state after the instruction obtaining module 2 obtains the protection instruction, and the display state switching module 3 of the display module 100 is autonomously destroyed after the screen-off time exceeds the preset time, so that the display module 100 is maintained in the screen-off state for a long time, and cannot be used to show the privacy information of the user, thereby protecting the privacy of the user; secondly, a buffering time length is provided by setting a preset time length, so that the situation that the display state switching module 3 is damaged after the instruction acquisition module 2 receives the protection instruction is avoided, and the undamaged electronic equipment can still be retrieved within the preset time length; in addition, destroy the display function of display module assembly 100 through destroying display state switching module 3, and need not to destroy pixel structure and circuit in display panel 1 to when finding back electronic equipment outside when predetermineeing for a long time, only need maintain to display state switching module 3, can reduce user's cost of maintenance.
In this embodiment, the instruction obtaining module 2, the display state switching module 3, and the self-destruction module 4 may be respectively disposed on corresponding circuit boards; or, the instruction obtaining module 2, the display state switching module 3 and the self-destruction module 4 may be integrated on the same circuit board; or two of the instruction acquisition module 2, the display state switching module 3 and the self-destruction module 4 may be integrated on the same circuit board, and the other may be separately provided. For example, as shown in fig. 1, the instruction obtaining module 2 and the display state switching module 3 may be integrated on the same circuit board 5, and the self-destruction module 4 is separately disposed on the circuit board 6, although other combination manners may exist, which are not described herein.
In the above embodiments, as shown in fig. 2, the instruction obtaining module 2 may include a remote communication module 21 and a detection module 22, where the remote communication module 21 may be configured to establish a communication connection with an external device to receive a protection instruction from the external device. Based on this, after the electronic device equipped with the display module 100 in the present application is lost, the user can send a protection instruction to the lost electronic device through the external device to indicate that the lost electronic device performs a black screen state, and the display state switching module 3 is destroyed when the unlocking instruction is not received within a preset time period.
The detection module 22 may be configured to detect a user unlocking time for the display module 100, and generate a protection instruction when the user unlocking time exceeds a preset time. Based on this, when the electronic device configured with the display module 100 in the present application is repeatedly unlocked and is always unsuccessfully unlocked, the display state switching module 3 may switch to the protection mode according to the generated protection instruction, so as to implement protection of personal privacy in the electronic device. It should be noted that, in some other embodiments, the display module 100 may also include only the remote communication module 21 or only the detection module 22, and the application is not limited thereto.
Based on the technical solution of the present application, still as shown in fig. 2, the display module 100 may further include a rechargeable battery module 7, and the rechargeable battery module 7 may be electrically connected to the instruction obtaining module 2, the display state switching module 3, and the self-destruction module 4 to supply power to the instruction obtaining module 2, the display state switching module 3, and the self-destruction module 4. Especially, when the electronic device is lost and turned off, and the battery disposed in the electronic device cannot supply power, the self-destruction function of the display module 100 can be ensured by supplying the electric power of the rechargeable battery module 7.
Further, as shown in fig. 3, the rechargeable battery module 7 may include a battery film 71, the battery film 71 is tiled on the display panel 1, and the size of the battery film 71 is smaller than that of the display panel 1, so as to avoid the protrusion of the battery film 71 from causing a black edge on the display module 100.
In the above embodiments, the Display module 100 may include an LCD (Liquid Crystal Display) Display module; alternatively, the display module 100 may include an OLED (Organic Light-Emitting semiconductor) display module. When the display module 100 is an OLED display module and has a bendable function, the battery film layer in the above embodiment may also have a bendable performance, so that the battery film layer can be bent along with the bending of the display module 100, thereby avoiding affecting the bending performance of the display module 100. Of course, when the display module 100 has a bendable function, the rechargeable battery module 7 may be disposed at a position away from the bending region of the display module 100, instead of having the bendable function.
It should be noted that the electronic device in this embodiment may be: any product or component with a display function, such as electronic paper, a mobile phone, a tablet computer, a television, a notebook computer, a digital photo frame, a navigator and the like.
Based on the display module 100 provided in the above embodiments, the present application further provides a self-destruction method of the display module 100, as shown in fig. 4, the self-destruction method may include the following steps:
in step 401, a protection instruction is obtained, where the protection instruction is used to instruct the display state switching module to switch to a protection mode, and the display module 100 is in a screen-off state in the protection mode.
In this embodiment, the protection instruction may be an instruction received from an external device. For example, the display module 100 may include a remote communication module, which may establish a remote communication connection with an external device, so that the display module 100 may receive a remote protection instruction from the external device to implement remote control. Alternatively, the protection instruction may be generated when it is detected that the number of times of user unlocking with respect to the display module 100 exceeds a preset number of times. Wherein, the user may be considered to unlock once when detecting that the user inputs one of the following unlocking information: an unlocking password, an unlocking fingerprint, unlocking face information and unlocking iris information.
In step 402, the screen-off duration of the display module 100 in the screen-off state is obtained, and when the screen-off duration exceeds the preset duration and an unlocking instruction is not received, the display state switching module is destroyed, so that the display module 100 is maintained in the screen-off state.
In the present embodiment, the display state switching module 3 can be damaged by increasing the current input to the display state switching module 3. The unlocking instruction may be used to instruct the display state switching module 3 to unlock the protection mode, so that the display module 100 may perform display state switching under touch or other instruction operations.
In each of the above embodiments, when the unlocking instruction is received within the preset time period, the display state switching module 3 may switch to the control mode, and in the control mode, the display state switching module 3 may switch the display state of the display module 100, so that the display module 100 may execute switching of the display state according to the instruction operation.
To describe the above embodiments in detail, the following detailed description will be made according to a specific embodiment, and as shown in fig. 5, the self-destruction method may include the following steps:
in step 501, an unlocking operation for a display module on an electronic device is detected.
In step 502, it is determined whether the number of unlocking times is greater than a preset number.
In this embodiment, the number of times of unlocking may be increased once every time an unlocking operation is detected, step 504 is executed when the number of times of unlocking is greater than a preset number, and step 501 is executed when the number of times of unlocking is less than or equal to the preset number.
In step 503, a remote protection instruction from an external device that establishes a remote communication connection with the electronic device is received.
In this embodiment, the external device may include a handheld terminal, such as a mobile phone, a tablet computer, a laptop computer, and the like. The remote protection instruction may be generated after a user performs a preset operation with respect to an external device, and further transmitted to the display module 100.
In step 504, the display state switching module is switched to the protection mode.
In step 505, the display panel switches to an off state.
In this embodiment, after the display state switching module is switched to the protection mode, the display panel can be synchronously switched to the screen-off state; and when the display state switching module is maintained in the protection mode, the display panel is maintained in a screen-off state.
It should be noted that: when the unlocking times are more than the preset times, the display state switching module can be switched to the protection mode; or when a remote protection instruction is received, the display state switching module is switched to the protection mode; or the display state switching module may switch to the protection mode when the remote protection instruction is received and the unlocking times are greater than the preset times. The design can be designed according to needs, and the application is not limited.
In step 506, it is determined whether an unlock instruction is received.
In step 507, the screen-off duration of the display panel in the screen-off state is counted.
In step 508, it is determined whether the screen-out period exceeds a preset period.
In this embodiment, when the screen-off duration exceeds the preset duration and the unlocking instruction is not received, the process proceeds to step 509; and if the screen-off duration does not exceed the preset duration and the unlocking instruction is received, executing step 510.
The unlocking instruction may be used to instruct the display state switching module to switch to the control mode, so as to unlock the display state switching module from the protection mode, and the display module 100 may implement switching of the display state according to the execution operation of the user.
In step 509, the input current to the display state switching module is increased, so that the display state switching module is destroyed.
In step 510, the display state switching module switches from the protection mode to the control mode.
In this embodiment, in the control mode, the display state switching module can switch the display state of the display module. For example, when the user is detected to "double click" on the display panel 1, the display state switching module may control the display panel 1 to be lit; when detecting that the spacing distance between the display panel and the obstacle is smaller than the preset distance, the display state switching module can control the display panel 1 to be turned off. Of course, the above embodiments are only used as exemplary illustrations, and the display state switching module may switch the display state of the display panel when detecting other user operations, which is not described herein again.
Corresponding to the self-destruction method of the display module, the application also provides a self-destruction device of the display module, and the display module comprises a display state switching module. As shown in fig. 6, the self-destruction apparatus may include a first obtaining module 601 and a second obtaining module 602, wherein:
the first obtaining module 601 is configured to obtain a protection instruction, where the protection instruction is used to instruct the display state switching module to switch to a protection mode, and the display module is in a screen-off state in the protection mode;
the second obtaining module 602 is configured to obtain a screen extinguishing time when the display module is in the screen extinguishing state, and destroy the display state switching module when the screen extinguishing time exceeds a preset time and an unlocking instruction is not received, so that the display module is maintained in the screen extinguishing state.
Referring to fig. 7, in fig. 7, based on the embodiment shown in fig. 6, the display module includes a remote communication module, and the first obtaining module 601 may include:
the receiving unit 6011 receives a remote protection instruction from an external device that establishes a communication connection with the remote communication module.
Referring to fig. 8, in fig. 8, based on the embodiment shown in fig. 6, the display module includes a remote communication module, and the first obtaining module 601 may include:
the detecting unit 6012 detects that the number of times of user unlocking for the display module exceeds a preset number of times.
Referring to fig. 9, in fig. 9, on the basis of the embodiment shown in fig. 6, the second obtaining module 602 includes:
an adjusting unit 6021 increasing the current input to the display state switching module so that the display state switching module is damaged.
Referring to fig. 10, fig. 9 is a diagram illustrating the embodiment of fig. 6, wherein the apparatus further includes:
the switching module 603 is configured to switch the display state switching module to the control mode when the unlocking instruction is received within the preset time period;
and under the control mode, the display state switching module can switch the display state of the display module.
It should be noted that the structure of the receiving unit 6011 in the apparatus embodiment shown in fig. 7 may also be included in the apparatus embodiment shown in fig. 9 or fig. 10, and the present application is not limited thereto.
Similarly, the structure of the detecting unit 6012 in the apparatus embodiment shown in fig. 8 may also be included in the apparatus embodiment shown in fig. 9 or fig. 10, and the present application is not limited thereto. The structure of the adjusting unit 6021 in the device embodiment shown in fig. 9 may also be included in the device embodiment shown in fig. 9 or fig. 10, and the present application is not limited thereto.
It is noted that in the drawings, the sizes of layers and regions may be exaggerated for clarity of illustration. Also, it will be understood that when an element or layer is referred to as being "on" another element or layer, it can be directly on the other element or layer or intervening layers may also be present. In addition, it will be understood that when an element or layer is referred to as being "under" another element or layer, it can be directly under the other element or intervening layers or elements may also be present. In addition, it will also be understood that when a layer or element is referred to as being "between" two layers or elements, it can be the only layer between the two layers or elements, or more than one intermediate layer or element may also be present. Like reference numerals refer to like elements throughout.
In the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (10)
1. A display module, comprising:
a display panel;
the display module comprises an instruction acquisition module and a display state switching module, wherein the instruction acquisition module is coupled with the display state switching module and is used for acquiring a protection instruction which is used for indicating the display state switching module to be switched to a protection mode, and the display module is in a screen-off state in the protection mode;
the self-destruction module is coupled with the instruction acquisition module and the display state switching module, and is used for counting the screen extinguishing time length when the display module is in the screen extinguishing state, the screen extinguishing time length exceeds the preset time length, and when the instruction acquisition module does not receive an unlocking instruction, the display state switching module is destroyed, so that the display module is maintained in the screen extinguishing state.
2. The display module assembly of claim 1, wherein the display module assembly further comprises:
the rechargeable battery module is electrically connected with the instruction acquisition module, the display state switching module and the self-destruction module so as to provide a power supply signal.
3. The display module of claim 2, wherein the rechargeable battery module comprises:
a battery film layer tiled on the display panel, and the battery film layer is not greater in specification than the display panel.
4. The display module assembly according to claim 1, wherein the instruction obtaining module comprises: at least one of:
the remote communication module is used for establishing communication connection with an external device so as to receive a protection instruction from the external device;
the detection module is used for detecting the user unlocking times aiming at the display module, so that the protection instruction is generated when the user unlocking times exceed the preset times.
5. The display module assembly according to claim 1, wherein the instruction acquisition module, the display state switching module and the self-destruction module are integrated on a same circuit board.
6. An electronic device comprising the display module according to any one of claims 1 to 5.
7. The self-destruction method of the display module is characterized in that the display module comprises a display state switching module, and the self-destruction method comprises the following steps:
acquiring a protection instruction, wherein the protection instruction is used for indicating the display state switching module to switch to a protection mode, and the display module is in a screen-off state in the protection mode;
the method comprises the steps of obtaining the screen extinguishing time length when the display module is in the screen extinguishing state, and destroying the display state switching module when the screen extinguishing time length exceeds the preset time length and an unlocking instruction is not received, so that the display module is maintained in the screen extinguishing state.
8. The self-destruction method of claim 7, wherein the display module comprises a remote communication module, and the obtaining of the protection instruction comprises:
receiving a remote protection instruction from an external device which establishes communication connection with the remote communication module; alternatively, the first and second electrodes may be,
and detecting that the user unlocking times aiming at the display module exceed the preset times.
9. The self-destruction method according to claim 7, wherein the destroying the display state switching module comprises:
increasing a current input to the display state switching module so that the display state switching module is damaged.
10. The self-destruction method according to claim 7, further comprising:
when an unlocking instruction is received within the preset time length, the display state switching module is switched to a control mode;
and under the control mode, the display state switching module can switch the display state of the display module.
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| CN202948451U (en) * | 2012-12-13 | 2013-05-22 | 青岛海信智能商用系统有限公司 | Anti-tamper protection device of sensitive data of display |
| CN204203972U (en) * | 2014-10-27 | 2015-03-11 | 北京同方时讯电子股份有限公司 | A kind of self-desttruction equipment of electronic equipment |
| WO2016152539A1 (en) * | 2015-03-23 | 2016-09-29 | 日本電気株式会社 | Information terminal, information management system, illegibility rendering method, and program |
| CN105808994A (en) * | 2016-04-04 | 2016-07-27 | 合肥博雷电子信息技术有限公司 | Computer software encryption protection device |
| CN108430062A (en) * | 2018-02-27 | 2018-08-21 | 西安闻泰电子科技有限公司 | Mobile phone self-desttruction equipment and system |
| CN109711209A (en) * | 2018-10-10 | 2019-05-03 | 孙向东 | The destruct system and its method of electronic equipment |
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| CN110276218A (en) | 2019-09-24 |
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