CN107657188B - Safe anti-dismantling structure and method for liquid crystal display - Google Patents
Safe anti-dismantling structure and method for liquid crystal display Download PDFInfo
- Publication number
- CN107657188B CN107657188B CN201710879060.9A CN201710879060A CN107657188B CN 107657188 B CN107657188 B CN 107657188B CN 201710879060 A CN201710879060 A CN 201710879060A CN 107657188 B CN107657188 B CN 107657188B
- Authority
- CN
- China
- Prior art keywords
- fpc
- liquid crystal
- limiting structure
- zebra stripes
- crystal display
- 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.)
- Active
Links
Classifications
-
- 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
- G06F21/86—Secure or tamper-resistant housings
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Nonlinear Science (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Computer Security & Cryptography (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a liquid crystal screen safe anti-dismounting structure and a method, wherein a safe line is etched at the edge position of a liquid crystal screen, the safe line is led out through an FPC and extends to a limit structure, the FPC is fixed through the limit structure and a zebra stripe together to enable the FPC to be in a tight state, the edge glass of the liquid crystal screen is used as a part of the safe anti-dismounting structure, the edge glass of the liquid crystal screen is fragile and is easy to damage when being dismounted, a safety mechanism is triggered, the FPC is fixed through the limit structure and the zebra stripe together to enable the FPC to be in the tight state, under the condition that the FPC is not damaged, the liquid crystal screen cannot be dismounted from the front side even if the safe anti-dismounting structure of the liquid crystal screen is known, the FPC is in the tight state, the FPC is broken when trying to take out liquid crystal, the safety mechanism is triggered, thereby the dismounting difficulty is improved, and the resistance values of the zebra stripes connected into, the safety is higher.
Description
Technical Field
The invention relates to the technical field of safe anti-dismantling, in particular to a liquid crystal display safe anti-dismantling structure and a method.
Background
With the development of the mobile payment habit of the public, the password security becomes a permanent pursuit in the financial industry. In terms of password security, the method is divided into two parts: one part is the security of the user for keeping the password, and the other part is the security of the bank system and the POS machine. Based on the real demand, the exploration of each POS manufacturer in the safety field never stops walking. With the popularity of large-screen POS machines, the security of POS screens has also become an important issue.
The existing safe anti-dismantling method for the liquid crystal screen mainly comprises two methods, one is to firmly fix the liquid crystal screen and a machine body back structural part, for example, fixing the liquid crystal screen by using special glue or installing the liquid crystal screen from inside to outside, so as to prevent an illegal user from dismantling the liquid crystal screen to detect an internal signal; the other method is to attach the FPC to the liquid crystal display, the FPC is possibly damaged when the liquid crystal display is detached, and a safety mechanism is triggered to protect the liquid crystal display and the touch screen, but the two methods have certain defects, and the FPC can forcedly strip the liquid crystal display from a structural member to detect an internal signal; after the mounting mode of the screen is known, the corresponding FPC can be stripped through a high-temperature baking mode, so that internal signals can be detected, and therefore a safer anti-dismounting structure is needed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a safer LCD screen safe anti-dismantling structure and method are provided.
In order to solve the technical problems, the invention adopts the technical scheme that:
a safe anti-dismounting structure of a liquid crystal display comprises a safety line, a PCB (printed Circuit Board), zebra stripes and an FPC (Flexible printed Circuit), and further comprises a limiting structure;
the safety line is etched at the edge of the liquid crystal display, is led out through the FPC and extends to the limiting structure;
the limiting structure limits the movement of the FPC;
the other end of the FPC is connected with one end of the zebra stripe;
the other end of the zebra stripes is connected with the PCB;
the zebra stripes tightly press the FPC, so that the FPC is in a tight state.
In order to solve the technical problem, the invention adopts another technical scheme as follows:
a safe anti-dismantling method for a liquid crystal display screen adopts the safe anti-dismantling structure for the liquid crystal display screen.
The invention has the beneficial effects that: the safety line is etched at the edge position of the liquid crystal screen, the safety line is led out through the FPC and extends to the limiting structure, the limiting structure limits the movement of the FPC, the other end of the FPC is connected with one end of the zebra stripes, the other end of the zebra stripes is connected with the PCB, the zebra stripes tightly press the FPC, the FPC is in a tight state, the edge glass of the liquid crystal screen is used as a part of the channel, the edge glass of the liquid crystal screen is fragile, the edge glass of the liquid crystal screen is easy to damage during disassembly, a safety mechanism is triggered, the safety is improved, the FPC is fixed through the limiting structure and the zebra stripes together, the FPC is in the tight state, the liquid crystal screen cannot be disassembled from the front side even if the safety anti-disassembly structure of the liquid crystal screen is known under the condition that the FPC is not damaged, and the safety mechanism is triggered when the liquid crystal is attempted to be taken out due to the fact that the FPC is in the, thereby improving the disassembly difficulty.
Drawings
FIG. 1 is a schematic diagram of a security anti-tamper structure of a liquid crystal display according to an embodiment of the invention;
FIG. 2 is a schematic view of a liquid crystal display security tamper-evident structure of an embodiment of the present invention mounted symmetrically;
FIG. 3 is an exploded view of a LCD panel safety tamper structure according to an embodiment of the present invention;
description of reference numerals:
1. a PCB board; 2. zebra stripes; 3. a housing; 4. a limiting structure; 5. FPC; 6. a liquid crystal panel.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is that the safety line is etched at the edge of the liquid crystal display, is led out through the FPC and extends to the limiting structure, and the FPC is fixed together by the limiting structure and the zebra stripes so as to be in a tight state.
Referring to fig. 1 to 3, a liquid crystal display security anti-detachment structure includes a security thread, a PCB, a zebra stripe and an FPC, and further includes a limit structure;
the safety line is etched at the edge of the liquid crystal display, is led out through the FPC and extends to the limiting structure;
the limiting structure limits the movement of the FPC;
the other end of the FPC is connected with one end of the zebra stripe;
the other end of the zebra stripes is connected with the PCB;
the zebra stripes tightly press the FPC, so that the FPC is in a tight state.
From the above description, the beneficial effects of the present invention are: the safety line is etched at the edge of the liquid crystal screen, the safety line is led out through the FPC and extends to the limiting structure, the limiting structure limits the movement of the FPC, the other end of the FPC is connected with one end of the zebra stripes, the other end of the zebra stripes are connected with the PCB, the zebra stripes tightly press the FPC to enable the FPC to be in a tight state, the edge glass of the liquid crystal screen is used as a part of the channel, the edge glass of the liquid crystal screen is fragile and is easy to damage when being disassembled, a safety mechanism is triggered, the safety is improved, the FPC is fixed through the limiting structure and the zebra stripes to enable the FPC to be in the tight state, under the condition that the FPC is not damaged, the liquid crystal screen cannot be disassembled from the front side even if the safety anti-disassembling structure of the liquid crystal screen is known, and the safety mechanism is triggered when the liquid crystal is attempted to be taken out due to the FPC being in the tight state, thereby improving the disassembly difficulty.
Furthermore, the liquid crystal display safety anti-dismantling structure is arranged at least one end of the liquid crystal display.
As can be seen from the above description, the liquid crystal display security anti-disassembly structure is arranged at least one end of the liquid crystal display, so that the disassembly difficulty is improved.
Furthermore, the safe anti-dismantling structure of the liquid crystal screen is arranged at two opposite ends of the liquid crystal screen.
As can be seen from the above description, the arrangement of the liquid crystal display security anti-detachment structure at the two opposite ends of the liquid crystal display increases the detachment difficulty.
Further, the length of the FPC is set in advance.
As can be seen from the above description, presetting the length of the FPC can ensure that the FPC is in a tight state after installation, and the operation is easy.
Furthermore, a golden finger is arranged at one end of the FPC connected with the zebra stripes, and the FPC is connected with the zebra stripes through the golden finger.
As can be seen from the above description, the FPC is connected with the zebra stripes through the golden fingers, so that the operation is simpler and more convenient.
Furthermore, a PCB contact is arranged on the PCB, and the zebra stripes are connected with the PCB through the PCB contact.
According to the description, the PCB contacts are arranged on the PCB, and the zebra stripes are connected with the PCB through the PCB contacts, so that poor contact can be avoided to a certain extent.
Furthermore, a plurality of conductive channels are arranged in the zebra stripes, and contacts corresponding to the conductive channels are arranged, and when the conductive channels are conducted, the corresponding contacts are connected with the PCB;
the conducting channels of the zebra stripes have different conducting resistances under the action of different pressures.
According to the description, the plurality of conductive channels are arranged in the zebra stripes, the number of the conductive channels which are conducted under the action of different pressures is different, so that the resistance value of the zebra stripe access circuit is changed, the safe anti-disassembly structure circuit is more sensitive, meanwhile, whether the safe anti-disassembly structure of the liquid crystal screen is damaged by external force or not can be monitored according to the difference of the resistance values of the zebra stripe access circuit, and the disassembly difficulty is improved.
Furthermore, the number of the conductive channels in the zebra stripes is 8-10.
From the above description, the number of the conductive channels in the zebra stripes is 8-10, and the resistance values of the access circuits are different under the action of different pressures, so that the cracking difficulty is improved.
Furthermore, the limiting structure is rectangular and horizontally arranged, the width of the limiting structure is matched with that of the FPC, and the length of the limiting structure is matched with that of an extending part of the FPC on the limiting structure;
one end of the limiting structure along the length direction is provided with a vertical upward extending part;
one end of the vertical upward extending part, which is far away from the limiting structure, abuts against the joint of the FPC and the edge of the liquid crystal display, and the FPC is tightly attached to the vertical upward extending part and extends to the limiting structure;
the other end of the limiting structure along the length direction is provided with a vertically downward extending part;
the length of the vertical downward extension is less than the length of the zebra stripe;
and a bulge is respectively arranged on the edge of one side of the limiting structure, which is in contact with the FPC, along the width direction so as to limit the movement of the FPC.
According to the description, after the liquid crystal display safety anti-dismounting structure is installed, the FPC can be constantly in a tensioned state, one end, far away from the limiting structure, of the vertical upward extending portion abuts against the joint of the FPC and the edge of the liquid crystal display, the effect of supporting the joint can be achieved to a certain extent, the situation that the joint is broken due to the tensile force of the FPC, normal work of a circuit is affected is avoided, the other end, along the length direction, of the limiting structure is provided with the vertical downward extending portion, the length of the vertical downward extending portion is smaller than that of the zebra stripes, and induction is sensitive when external pressure changes.
A safe anti-dismantling method for a liquid crystal display screen adopts the safe anti-dismantling structure for the liquid crystal display screen.
As can be seen from the above description, the beneficial effects of the present invention are: the method comprises the steps of etching a safety line at the edge position of a liquid crystal screen, leading the safety line out of the liquid crystal screen through an FPC (flexible printed circuit), extending the safety line to a limiting structure, fixing the FPC together through the limiting structure and a zebra stripe to enable the FPC to be in a tight state, wherein the length of the FPC can be preset, the glass at the edge of the liquid crystal screen is fragile and is easy to damage during disassembly, so that a safety mechanism is triggered, the liquid crystal screen cannot be disassembled from the front side even if the safety disassembly-preventing structure of the liquid crystal screen is known under the condition that the FPC is not damaged, the FPC is in the tight state, when trying to take out liquid crystal, the FPC is broken to trigger the safety mechanism, the disassembly difficulty is improved, a plurality of conductive channels are arranged in the zebra stripe, the conductive channels have different resistances under different pressure effects, so that the resistance value in a zebra stripe access circuit is changed, the safety disassembly-preventing structure circuit is more sensitive, and whether the safety disassembly-, the safety is higher.
Example one
A safe anti-disassembly structure of a liquid crystal display comprises a safety line, a PCB (printed Circuit Board) 1, zebra stripes 2, an FPC5 and a limiting structure 4;
the safety line is etched at the edge of the liquid crystal screen 6, is led out through an FPC5 and extends to the limiting structure 4;
because the edge glass of the liquid crystal screen 6 is fragile, the edge glass of the liquid crystal screen 6 is easily damaged during disassembly, so that a safety mechanism is triggered, and the safety is improved;
the limiting structure 4 limits the movement of the FPC 5;
the other end of the FPC5 is connected with one end of the zebra stripe 2;
a gold finger, namely a pad part of an FPC5, is arranged at one end of the FPC5 connected with the zebra stripe 2, the FPC5 is connected with the zebra stripe 2 through the gold finger, the FPC5 is a flexible circuit board, and the zebra stripe 2 is block-shaped conductive rubber;
the other end of the zebra stripes 2 is connected with the PCB board 1;
the zebra stripes 2 are connected with the PCB board 1 through the PCB contacts by arranging the PCB contacts on the PCB board 1;
the zebra stripes 2 press the FPC5 to enable the FPC5 to be in a tight state;
the limiting structure 4, the zebra stripes 2 and the FCB contact form a passage, the zebra stripes 2 are used as a part of a circuit, the FPC5 is jointly fixed through the limiting structure 4 and the zebra stripes 2, so that the FPC5 is in a tightened state, the liquid crystal screen 6 cannot be detached from the front surface even if the safety anti-detaching structure of the liquid crystal screen is known under the condition that the FPC5 is not damaged, and as the FPC5 is in the tightened state, the FPC5 is broken to trigger a safety mechanism when liquid crystal is attempted to be taken out, so that the detaching difficulty is improved;
the length of the FPC5 is preset, and in order to enable the FPC5 to be in a tight state well, the length of the FPC5 can be preset by measuring the length of the limiting structure 4 and adding the length required by connection with two ends of the limiting structure 4 because the FPC5 is tightly attached to the limiting structure 4;
the liquid crystal screen safe anti-dismantling structure is arranged at least one end of the liquid crystal screen 4, or the liquid crystal screen safe anti-dismantling structure is arranged at two opposite ends of the liquid crystal screen 6, and the specific number and the installation position of the liquid crystal screen safe anti-dismantling structures can be adjusted according to actual needs.
Example two
The difference between the second embodiment and the first embodiment is that a plurality of conductive channels are arranged in the zebra stripes 2, and contacts corresponding to the conductive channels are arranged, when the conductive channels are conducted, the corresponding contacts are connected with the PCB 1, and the conducted channels of the zebra stripes 2 have different conducted resistances under the action of different pressures;
the number of the conductive channels in the zebra stripes 2 is 8-10, which is only a specific implementation manner of the scheme, and the number of the conductive channels in the zebra stripes 2 is changed, which also belongs to the protection scope of the invention.
EXAMPLE III
The difference between the third embodiment and the first embodiment is that the limiting structure 4 is rectangular and horizontally placed, the width of the limiting structure is matched with the width of the FPC5, and the length of the limiting structure is matched with the length of an extending part of the FPC 5;
one end of the limiting structure 4 along the length direction is provided with a vertical upward extending part;
one end of the vertical upward extending part, which is far away from the limiting structure 4, abuts against the joint of the FPC and the edge of the liquid crystal screen 6, and the FPC5 clings to the vertical upward extending part and extends to the limiting structure 4;
the other end of the limiting structure 4 along the length direction is provided with a vertically downward extending part;
the length of the vertical downward extension is less than the length of the zebra stripes 2;
a protrusion is respectively arranged on the edges of the side, which is in contact with the FPC5, of the limiting structure 4 along the width direction so as to limit the movement of the FPC 5;
the vertical upward extension and the corner of the limiting structure 4 are curved surfaces.
Example four
A safe anti-dismantling method for a liquid crystal display screen adopts the safe anti-dismantling structure for the liquid crystal display screen.
In summary, the invention provides a liquid crystal display security anti-disassembly structure and a method thereof, wherein a security line is etched at the edge of a liquid crystal display 6, the security line is led out through an FPC5 and extends to a limit structure 4, the limit structure 4 and a zebra stripe 2 jointly fix an FPC5, so that the FPC5 is in a tightened state, the length of the FPC5 can be preset, the edge glass of the liquid crystal display 6 is fragile and is easy to damage during disassembly, thereby triggering a security mechanism, under the condition that the FPC5 is not damaged, even if the liquid crystal display security anti-disassembly structure is known, the liquid crystal display 6 cannot be disassembled from the front side of a shell 3, as the FPC5 is in the tightened state, the FPC5 is broken when trying to take out liquid crystal, triggering the security mechanism is triggered, the disassembly difficulty is improved, a plurality of conductive channels are arranged in the zebra stripe 2, the conductive channels are different in number under the action of different pressures, so that the resistance value in the zebra stripe 2 access circuit is, make safe anti-tear structure circuit sensitive more, still can insert the different monitoring of circuit resistance value according to zebra stripe 2 simultaneously the LCD screen is prevented tearing the structure safely and is suffered external damage, and the security is higher.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (9)
1. A safe anti-disassembly structure of a liquid crystal display comprises a safety line, a PCB, zebra stripes and an FPC, and is characterized in that,
the device also comprises a limiting structure;
the safety line is etched at the edge of the liquid crystal display, is led out through the FPC and extends to the limiting structure;
the limiting structure limits the movement of the FPC;
the other end of the FPC is connected with one end of the zebra stripe;
the other end of the zebra stripes is connected with the PCB;
the zebra stripes tightly press the FPC to enable the FPC to be in a tight state;
the limiting structure is rectangular and horizontally arranged, the width of the limiting structure is matched with that of the FPC, and the length of the limiting structure is matched with that of an extending part of the FPC on the limiting structure;
one end of the limiting structure along the length direction is provided with a vertical upward extending part;
one end of the vertical upward extending part, which is far away from the limiting structure, abuts against the joint of the FPC and the edge of the liquid crystal display, and the FPC is tightly attached to the vertical upward extending part and extends to the limiting structure;
the other end of the limiting structure along the length direction is provided with a vertically downward extending part;
the length of the vertical downward extension is less than the length of the zebra stripe;
and a bulge is respectively arranged on the edge of one side of the limiting structure, which is in contact with the FPC, along the width direction so as to limit the movement of the FPC.
2. The LCD screen safety tamper structure of claim 1,
the liquid crystal screen safety anti-dismantling structure is arranged at least one end of the liquid crystal screen.
3. The LCD screen safety anti-dismantling structure as recited in claim 2,
the liquid crystal screen safe anti-dismounting structure is arranged at two opposite ends of the liquid crystal screen.
4. The LCD screen safety tamper structure of claim 1,
the length of the FPC is preset.
5. The LCD screen safety tamper structure of claim 1,
and a golden finger is arranged at one end of the FPC connected with the zebra stripes, and the FPC is connected with the zebra stripes through the golden finger.
6. The LCD screen safety tamper structure of claim 1,
and a PCB contact is arranged on the PCB, and the zebra stripes are connected with the PCB through the PCB contact.
7. The LCD screen safety tamper structure of claim 1,
a plurality of conductive channels are arranged in the zebra stripes, contacts corresponding to the conductive channels are arranged in the zebra stripes, and when the conductive channels are conducted, the corresponding contacts are connected with the PCB;
and the conduction channels of the zebra stripes have different conduction resistances under the action of different pressures.
8. The LCD screen safety tamper structure of claim 7,
the number of the conductive channels in the zebra stripes is 8-10.
9. A safe anti-dismantling method for a liquid crystal display is characterized in that,
the liquid crystal display security tamper-evident structure of any one of claims 1 to 8 is employed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710879060.9A CN107657188B (en) | 2017-09-26 | 2017-09-26 | Safe anti-dismantling structure and method for liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710879060.9A CN107657188B (en) | 2017-09-26 | 2017-09-26 | Safe anti-dismantling structure and method for liquid crystal display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107657188A CN107657188A (en) | 2018-02-02 |
| CN107657188B true CN107657188B (en) | 2019-12-31 |
Family
ID=61131238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710879060.9A Active CN107657188B (en) | 2017-09-26 | 2017-09-26 | Safe anti-dismantling structure and method for liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107657188B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108280946B (en) * | 2018-04-09 | 2024-01-05 | 上海商米科技集团股份有限公司 | Electronic equipment anti-disassembling device and electronic equipment |
| CN112330896B (en) * | 2020-09-29 | 2022-10-18 | 福建联迪商用设备有限公司 | Safety protection structure of LCD screen |
| CN113363297B (en) * | 2021-05-31 | 2023-02-03 | 深圳市华星光电半导体显示技术有限公司 | Display panel, assembling method thereof and splicing display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543537A (en) * | 2012-02-13 | 2012-07-04 | 福建联迪商用设备有限公司 | Metal keyboard with anti-disassembly contact point |
| CN105225368A (en) * | 2015-10-20 | 2016-01-06 | 福建新大陆支付技术有限公司 | A kind of POS stablizes Anti-dismounting structure and method thereof |
| CN105956497A (en) * | 2016-04-25 | 2016-09-21 | 福建新大陆支付技术有限公司 | Safety anti-dismounting method for financial electronic device and structure thereof |
| CN205722657U (en) * | 2016-04-25 | 2016-11-23 | 福建瑞之付微电子有限公司 | A kind of liquid crystal display screen tamper design structure |
| CN106781116A (en) * | 2017-02-15 | 2017-05-31 | 福建魔方电子科技有限公司 | A kind of intelligent POS terminal core space safeguard structure |
-
2017
- 2017-09-26 CN CN201710879060.9A patent/CN107657188B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543537A (en) * | 2012-02-13 | 2012-07-04 | 福建联迪商用设备有限公司 | Metal keyboard with anti-disassembly contact point |
| CN105225368A (en) * | 2015-10-20 | 2016-01-06 | 福建新大陆支付技术有限公司 | A kind of POS stablizes Anti-dismounting structure and method thereof |
| CN105956497A (en) * | 2016-04-25 | 2016-09-21 | 福建新大陆支付技术有限公司 | Safety anti-dismounting method for financial electronic device and structure thereof |
| CN205722657U (en) * | 2016-04-25 | 2016-11-23 | 福建瑞之付微电子有限公司 | A kind of liquid crystal display screen tamper design structure |
| CN106781116A (en) * | 2017-02-15 | 2017-05-31 | 福建魔方电子科技有限公司 | A kind of intelligent POS terminal core space safeguard structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107657188A (en) | 2018-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107657188B (en) | Safe anti-dismantling structure and method for liquid crystal display | |
| CN105975129B (en) | Display panel and its test method, application method | |
| CN106781116B (en) | Intelligent POS terminal core area protection structure | |
| WO2013165950A9 (en) | Rugged keypad | |
| CN101178503A (en) | LCD device module and assembling method thereof | |
| CN108333499A (en) | A kind of detection method of substrate and external circuits bonding | |
| CN202817250U (en) | Golden finger connecting device | |
| US20150070287A1 (en) | Touch Display and Method for Manufacturing Touch Display | |
| CN207149009U (en) | Screen safe connection structure and POS | |
| CN105956497A (en) | Safety anti-dismounting method for financial electronic device and structure thereof | |
| US20170293774A1 (en) | Detection of the opening of a data-entry device | |
| WO2023169472A1 (en) | Display module and electronic device | |
| CN207601797U (en) | Anti- telephone-moving safety keyboard | |
| CN202948451U (en) | Anti-tamper protection device of sensitive data of display | |
| CN207458250U (en) | Mainboard safeguard protection formula POS machine | |
| CN207302063U (en) | Mainboard safeguard protection formula POS machine | |
| CN205722657U (en) | A kind of liquid crystal display screen tamper design structure | |
| CN107402653B (en) | Touch module and electronic equipment | |
| BR102014001929A2 (en) | touchscreen protection | |
| CN105654632B (en) | Massage protection architecture and POS machine | |
| CN103942893B (en) | The EPP keyboard that security performance is good | |
| CN112330896B (en) | Safety protection structure of LCD screen | |
| CN218996037U (en) | Anti-disassembly component applied to intelligent terminal and intelligent terminal | |
| CN220455899U (en) | LCD anti-disassembly structure | |
| CN103942890A (en) | EPP keyboard good in confidentiality |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |