CN108861051B - Anti-counterfeiting method and anti-counterfeiting device for electrical appliance - Google Patents
Anti-counterfeiting method and anti-counterfeiting device for electrical appliance Download PDFInfo
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- CN108861051B CN108861051B CN201810240346.7A CN201810240346A CN108861051B CN 108861051 B CN108861051 B CN 108861051B CN 201810240346 A CN201810240346 A CN 201810240346A CN 108861051 B CN108861051 B CN 108861051B
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- lock
- counterfeiting
- coded lock
- movable switch
- power line
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000012795 verification Methods 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D55/00—Accessories for container closures not otherwise provided for
- B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D55/00—Accessories for container closures not otherwise provided for
- B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
- B65D55/14—Applications of locks, e.g. of permutation or key-controlled locks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses an electrical appliance anti-counterfeiting method and an electrical appliance anti-counterfeiting device. A coded lock (5) is arranged on a power line (1) of an electric appliance (3) to control the on/off of the power line (1), and unlocking codes are stored in a background management system database of a manufacturer/merchant; an anti-counterfeiting label is stuck on the corresponding position of the electric appliance (3), the anti-counterfeiting label comprises an anti-counterfeiting code, the anti-counterfeiting code and an unlocking password are in corresponding relation, data connection is formed, and the anti-counterfeiting code and the unlocking password are stored in a background management system database; after the consumer purchases the electrical appliance, the anti-counterfeiting code is sent to a background management system of the manufacturer/merchant through a communication channel appointed by the manufacturer/merchant, an unlocking code is obtained, and the consumer opens the coded lock (5) according to the obtained unlocking code to enable the power line (1) to be conducted, so that the electrical appliance (3) can be normally used. The invention has the characteristics of good anti-counterfeiting effect, simple principle and structure and low equipment cost.
Description
Technical Field
The invention relates to the field of anti-counterfeiting of electrical appliances, in particular to an anti-counterfeiting method and an anti-counterfeiting device of electrical appliances.
Background
With the rapid development of economy, enterprises have increasingly strong consciousness on self brand protection, so that anti-counterfeiting protection of products becomes a close concern of modern enterprises. The problem of the flooding of counterfeit products in the market at present becomes an important factor for restricting the continuous, rapid and healthy development of China enterprises. Counterfeit products disturb economic order and at the same time seriously impair legal rights of enterprises and consumers. According to statistics, 1230 key nameplate enterprises are affected in the market of China, and the economic loss caused by counterfeiting inferior goods every year reaches 2000 hundred million yuan. In the field of electric appliances, the anti-counterfeiting of the current electric appliances mainly adopts a laser anti-counterfeiting label to perform product anti-counterfeiting, but the laser anti-counterfeiting label of the anti-counterfeiting technology is easy to forge, and consumers are difficult to distinguish the authenticity of the laser anti-counterfeiting label; moreover, after purchasing the electric appliances, most consumers often neglect to verify the authenticity of the products, so that the anti-counterfeiting setting of manufacturers is similar to the dummy; in conclusion, the prior anti-counterfeiting technology of the electrical appliance has the defect of poor anti-counterfeiting effect.
Disclosure of Invention
The invention aims to provide an electrical appliance anti-counterfeiting method and an electrical appliance anti-counterfeiting device. The invention has the characteristics of good anti-counterfeiting effect, simple principle and structure and low equipment cost.
The technical scheme of the invention is as follows: an anti-counterfeiting method for an electrical appliance comprises the following steps: setting a coded lock on a power line of an electric appliance to control the on/off of the power line, wherein an unlocking code of the coded lock is stored in a background management system database of a manufacturer/merchant; after the consumer purchases the electric appliance, the unlocking password is obtained from the manufacturer/merchant to unlock the coded lock, so that the power line is conducted, and the anti-counterfeiting verification is completed.
In the foregoing electrical appliance anti-counterfeiting method, after the consumer purchases the electrical appliance, the consumer obtains the unlocking password from the manufacturer/merchant to unlock the password lock so as to conduct the power line, thus completing anti-counterfeiting verification, after the consumer purchases the electrical appliance, the anti-counterfeiting code attached to the electrical appliance is sent to the background management system of the manufacturer/merchant through the communication channel appointed by the manufacturer/merchant, after the background management system receives the anti-counterfeiting code, the background management system performs inquiry and comparison in the background management system database, after the unlocking password corresponding to the anti-counterfeiting code is inquired, the unlocking password is fed back to the consumer, the consumer opens the password lock according to the obtained unlocking password so as to conduct the power line, thus enabling normal use of the electrical appliance, and after the unlocking password is obtained to open the password so as to enable normal use of the electrical appliance, the consumer confirms that the electrical appliance is a genuine product, thus completing anti-counterfeiting verification.
In the anti-counterfeiting method for the electrical appliance, the consumer opens the coded lock according to the obtained unlocking code to conduct the power line, and the power line of the electrical appliance is conducted by closing the movable switch after the coded lock is opened.
In the anti-counterfeiting method for the electrical appliance, after the coded lock is opened, the movable switch is closed, and after the coded lock is opened, the compression spring in the coded lock pushes the lock rod to move, so that the movable component of the movable switch is pushed forward to contact with the contact of the movable switch, and the movable switch is closed.
The anti-counterfeiting device for the electrical appliance anti-counterfeiting method comprises a movable switch, wherein the movable switch is connected with a coded lock for controlling the on/off of the movable switch.
In the anti-counterfeiting device for the electrical appliance anti-counterfeiting method, the coded lock is a mechanical coded lock or an electronic coded lock.
In the anti-counterfeiting device for the electrical appliance anti-counterfeiting method, the coded lock comprises a lock shell, wherein a mandrel is arranged in the lock shell, more than one rotating wheel capable of rotating around the mandrel is arranged on the mandrel, and concave teeth are further arranged on the outer edge of the rotating wheel; a sleeve is further arranged in the lock shell, one end of the sleeve lock rod is movably connected with the compression spring, the other end of the lock rod penetrates through the lock shell and is movably connected with the lock shell, more than one lock tooth is further distributed on the lock rod, and each lock tooth is contacted with the side face of a corresponding rotating wheel; the movable switch is connected with the coded lock for controlling the on/off of the movable switch, and the end part of the other end of the lock rod is connected with a movable component of the movable switch.
In the anti-counterfeiting device for the anti-counterfeiting method of the electrical appliance, the lock rod is also provided with a deflector rod, one end of the deflector rod is connected with the lock rod, and the other end of the deflector rod penetrates through a groove body arranged on the lock shell.
Compared with the prior art, the invention sets the password lock on the power line of the electric appliance to control the on/off of the power line, and the power can not be electrified without opening the power line of the password lock, and the unlocking password of the password lock is stored in a background management system database of a manufacturer/merchant; an anti-counterfeiting label is stuck on an electrical product or product package, the anti-counterfeiting label comprises an anti-counterfeiting code, the anti-counterfeiting code and the unlocking password establish a corresponding relation, form data connection and store the data connection in a background management system database; after the consumer purchases the electrical appliance, the anti-counterfeiting code is sent to the background management system through a communication channel appointed by a manufacturer/merchant, the obtained unlocking password opens the password lock to enable the power line to be conducted, the electrical appliance can be normally used, and after the unlocking password opens the password lock to enable the electrical appliance to be normally used, the consumer confirms that the electrical appliance is a genuine product, so that the anti-counterfeiting purpose is achieved; by the method, consumers can identify the authenticity of the product only by obtaining unlocking passwords through channels to unlock, and the identification is simple and accurate.
The anti-counterfeiting method of the invention promotes consumers to have to perform anti-counterfeiting verification, if the consumers can not normally use the electric appliance without performing the anti-counterfeiting verification, the method makes the anti-counterfeiting become a necessary step, avoids the anti-counterfeiting verification to be a dummy, and has better anti-counterfeiting effect.
The invention discloses a coded lock control power line conduction, which is characterized in that after a consumer opens the coded lock by using an unlocking code, a movable switch is closed to conduct the power line of an electric appliance (specifically, after the coded lock is opened, a compression spring in the coded lock pushes a lock rod to move, a movable component of the movable switch is pushed forward to contact with a contact of the movable switch, and then the power line is conducted); the method creatively combines the anti-counterfeiting technology of the coded lock with the electrical technology to be applied to the anti-counterfeiting of the electrical appliance, solves the difficult problem of anti-counterfeiting in the field of the electrical appliance, obtains unexpected anti-counterfeiting effect in commercial application, protects legal interests of merchants, and has simple principle and easy realization.
After a consumer obtains an unlocking password, the corresponding rotating wheel is poked through the unlocking password, when the poking position of the rotating wheel corresponds to the unlocking password, concave teeth on the rotating wheel are aligned with locking teeth on the locking rod, at the moment, the compression spring pushes the locking rod to slide along the axial direction of the sleeve, the movable part of the movable switch is pushed forwards to be in contact with the contact of the movable switch, and then the power line is conducted, so that the electric appliance can be normally used after being plugged in; through the structure, the coded lock has the advantages of simple principle and structure, easy manufacture and further reduced equipment cost.
In conclusion, the invention has the characteristics of good anti-counterfeiting effect, simple principle and structure and low equipment cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic diagram of a connection structure of the lock lever and the rotating wheel in the direction a of fig. 1.
The marks in the drawings are: 1-power line, 2-plug, 3-electrical apparatus, 4-movable switch, 41-movable component, 42-contact, 5-trick lock, 51-lock shell, 52-dabber, 53-runner, 531-concave tooth, 54-sleeve, 55-locking lever, 56-compression spring, 57-locking tooth, 58-driving lever, 59-cell body, 6-master switch.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not intended to be limiting.
Examples. An anti-counterfeiting method for an electrical appliance comprises the following steps: the power line 1 of the electric appliance 3 is provided with a coded lock 5 to control the on/off of the power line 1, the power line 1 cannot be electrified without unlocking the coded lock 5, and the unlocking code of the coded lock 5 is stored in a background management system database of a manufacturer/merchant; after the consumer purchases the electric appliance, the unlocking password is obtained from the manufacturer/merchant to unlock the coded lock 5, so that the power line 1 is conducted, and the anti-counterfeiting verification is completed; specifically, after the consumer purchases the electric appliance, the anti-counterfeiting code attached to the electric appliance is sent to a background management system of the manufacturer/merchant through a communication channel (such as a website, a telephone, a short message or a WeChat) appointed by the manufacturer/merchant, the anti-counterfeiting code can be positioned on an anti-counterfeiting label attached to a product or a product package of the electric appliance 3, the anti-counterfeiting code and the unlocking password are in a corresponding relation, data connection is formed, and the anti-counterfeiting code is stored in a background management system database; after receiving the anti-counterfeiting codes, the background management system inquires and compares the anti-counterfeiting codes in a background management system database, and after inquiring the unlocking codes corresponding to the anti-counterfeiting codes, the unlocking codes are fed back to consumers in a text, voice or short message mode, the consumers open the coded lock 5 according to the obtained unlocking codes to conduct the power line 1, so that the electric appliance 3 can be normally used, and after the unlocking codes are obtained to open the coded lock 5 to enable the electric appliance to be normally used, the consumers confirm that the electric appliance is a genuine product, and anti-counterfeiting verification is completed. The anti-counterfeiting method of the electrical appliance can be used for anti-counterfeiting of electrical appliances such as water purifiers, refrigerators, washing machines, televisions, water heaters, heat collectors, kitchen ventilators and the like.
The consumer opens the coded lock 5 according to the obtained unlocking code to conduct the power line 1, and the movable switch 4 is closed after the coded lock 5 is opened to conduct the power line 1 of the electric appliance 3.
The above-mentioned coded lock 5 is opened and then the movable switch 4 is closed, and after the coded lock 5 is opened, the compression spring 56 in the coded lock 5 pushes the lock lever 55 to move, so that the movable component 41 of the movable switch 4 is pushed forward to contact with the contact point 42 of the movable switch 4, and the movable switch 4 is closed.
The anti-counterfeiting device for the anti-counterfeiting method of the electrical appliance comprises a movable switch 4, as shown in fig. 1 and 2, wherein the movable switch 4 is connected with a coded lock 5 for controlling the on/off of the movable switch. The on-off switch 4 is disposed on the power line 1, and the power line 1 is connected to a contact of the on-off switch 4. The moving part 41 of the moving switch 4 is connected with the coded lock 5 for controlling the on/off of the moving switch 4. The two ends of the power line 1 are respectively connected with the plug 2 and the electric appliance 3. After purchasing the electric appliance commodity, the consumer sends the anti-counterfeiting code to a background management system of the manufacturer/merchant through a communication channel appointed by the manufacturer/merchant to obtain an unlocking code, and the unlocking code is unlocked and then the movable switch 4 is closed, so that a power line of the electric appliance is conducted for normal use, and after the unlocking code is obtained to enable the electric appliance to be normally used, the consumer confirms that the electric appliance is a genuine product, thereby achieving the anti-counterfeiting purpose.
The coded lock 5 is a mechanical coded lock or an electronic coded lock;
the mechanical coded lock can be of a multi-dial structure, the mechanical coded lock of the structure is provided with a plurality of dial rings, each ring is provided with a concave position, a shaft of the lock is provided with a plurality of convex teeth for clamping the dial rings, and when the dial rings are rotated to a correct coded combination, the lock can be opened.
The mechanical coded lock can also be a rotary disc structure, the mechanical coded lock of the structure is provided with a rotary disc, the rotary disc pushes a plurality of balance discs or cams at the back, when the mechanical coded lock is opened, the rotary disc is firstly rotated clockwise to a first number and then rotated counter-clockwise to a second number, so that the last number is reached; the cam is usually provided with a concave position, and when the correct password is turned in, the lock can be opened by aligning the positions.
The mechanical coded lock can also be a rotary disc type structure, and the mechanical coded lock of the structure is similar to the dial of an old telephone, namely, the dial is rotated clockwise from the starting point of the dial to a certain number, then the dial is retracted to the starting point, and a certain code is input. The operation is repeated until the last password is input, and the dial is rotated anticlockwise from the starting point to unlock.
The electronic coded lock is mainly composed of a singlechip, a clock, a keyboard, an LCD display, a memory and the like, and can be unlocked by inputting a correct unlocking code through the keyboard when in use.
Taking a multi-dial coded lock in a mechanical coded lock as an example, the structure of the coded lock 5 for controlling on/off of the invention is described, but the invention is not limited to the coded lock structure, the coded lock 5 comprises a lock shell 51, a mandrel 52 is arranged in the lock shell 51, more than one rotating wheel 53 capable of rotating around the mandrel 52 is arranged on the mandrel 52, and concave teeth 531 are also arranged on the outer edge of the rotating wheel 53; the lock shell 51 is also internally provided with a sleeve 54, a lock rod 55 of the sleeve 54 is movably connected, one end of the lock rod 55 is connected with a compression spring 56, the other end of the lock rod 55 penetrates through the lock shell 51 and is movably connected with the lock shell 51, the lock rod 55 is also provided with more than one lock tooth 57, and each lock tooth 57 is contacted with the side face of a corresponding rotating wheel 53; the said movable switch 4 is connected with the coded lock 5 which controls the on/off of the said movable switch 4, and the end of the other end of the said lock lever 55 is connected with the movable component 41 of the movable switch 4. When the consumer obtains unlocking password and unlocks, the corresponding rotating wheel 53 is shifted according to the obtained unlocking password, when the shifting position of the rotating wheel 53 corresponds to the unlocking password, the concave teeth 531 on the rotating wheel 53 are aligned with the locking teeth 57 on the locking rod 55, at the moment, the compression spring 56 pushes the locking rod 55 to slide along the axial direction of the sleeve 54, the movable part 41 of the movable switch 4 is pushed forwards to contact with the contact point 42 of the movable switch 4 to close the movable switch 4, and then the power line 1 is conducted, so that the electric appliance can be normally used after being plugged in.
The lock lever 55 is further provided with a shift lever 58, one end of the shift lever 58 is connected to the lock lever 55, and the other end of the shift lever 58 penetrates a groove 59 provided on the lock housing 51. With this structure, the consumer can turn the lock lever 55 back to disconnect the movable member 41 of the movable switch 4 from the contact 42 by the lever 58, and after the turning back, the password sequence of the wheel 53 is disturbed, so that the movable member 41 and the contact 42 are kept disconnected, and the operation can lock the electric appliance, thereby preventing the misuse of others.
The power cord 1 is also provided with a main switch 6. The total switch 6 is added, so that the safety is improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (3)
1. An anti-counterfeiting method for an electrical appliance is characterized by comprising the following steps of: a coded lock (5) is arranged on a power line (1) of an electric appliance (3) to control the on/off of the power line (1), and unlocking codes of the coded lock (5) are stored in a background management system database of a manufacturer/merchant; after the consumer purchases the electric appliance, the unlocking password is obtained from a manufacturer/merchant to unlock the coded lock (5) so as to conduct the power line (1), thus completing anti-counterfeiting verification;
after the consumer purchases the electric appliance, the unlocking password is obtained from a manufacturer/merchant to open the coded lock (5) so as to conduct the power line (1), so that anti-counterfeiting verification is finished, after the consumer purchases the electric appliance, the anti-counterfeiting code attached to the electric appliance is sent to a background management system of the manufacturer/merchant through a communication channel appointed by the manufacturer/merchant, after the background management system receives the anti-counterfeiting code, inquiry comparison is carried out in a background management system database, after the unlocking password corresponding to the anti-counterfeiting code is inquired, the unlocking password is fed back to the consumer, the consumer opens the coded lock (5) according to the obtained unlocking password so as to conduct the power line (1), and the electric appliance (3) can be normally used, and after the unlocking password is obtained to open the coded lock (5), the consumer confirms that the electric appliance is a genuine product, so that anti-counterfeiting verification is finished;
comprises a movable switch (4), wherein the movable switch (4) is connected with a coded lock (5) for controlling the on/off of the movable switch; the coded lock (5) is a mechanical coded lock or an electronic coded lock; the coded lock (5) comprises a lock shell (51), a mandrel (52) is arranged in the lock shell (51), more than one rotating wheel (53) capable of rotating around the mandrel (52) is arranged on the mandrel (52), and concave teeth (531) are further arranged on the outer edge of the rotating wheel (53); a sleeve (54) is further arranged in the lock shell (51), a lock rod (55) of the sleeve (54) is movably connected, one end of the lock rod (55) is connected with a compression spring (56), the other end of the lock rod (55) penetrates through the lock shell (51) and is movably connected with the lock shell (51), more than one lock tooth (57) is further distributed on the lock rod (55), and each lock tooth (57) is contacted with the side face of a corresponding rotating wheel (53); the movable switch (4) is connected with the coded lock (5) for controlling the on/off of the movable switch, and the end part of the other end of the lock rod (55) is connected with a movable component (41) of the movable switch (4); the lock rod (55) is also provided with a deflector rod (58), one end of the deflector rod (58) is connected with the lock rod (55), and the other end of the deflector rod (58) penetrates through a groove body (59) arranged on the lock shell (51).
2. The anti-counterfeiting method for the electrical appliance according to claim 1, wherein: the consumer opens the coded lock (5) according to the obtained unlocking code to conduct the power line (1), and the power line (1) of the electric appliance (3) is conducted by closing the movable switch (4) after the coded lock (5) is opened.
3. The anti-counterfeiting method for the electrical appliance according to claim 1, wherein: the movable switch (4) is closed after the coded lock (5) is opened, and the compression spring (56) in the coded lock (5) pushes the lock rod (55) to move after the coded lock (5) is opened, so that the movable component (41) of the movable switch (4) is pushed forward to be in contact with the contact (42) of the movable switch (4), and the movable switch (4) is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810240346.7A CN108861051B (en) | 2018-03-22 | 2018-03-22 | Anti-counterfeiting method and anti-counterfeiting device for electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810240346.7A CN108861051B (en) | 2018-03-22 | 2018-03-22 | Anti-counterfeiting method and anti-counterfeiting device for electrical appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108861051A CN108861051A (en) | 2018-11-23 |
| CN108861051B true CN108861051B (en) | 2024-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810240346.7A Active CN108861051B (en) | 2018-03-22 | 2018-03-22 | Anti-counterfeiting method and anti-counterfeiting device for electrical appliance |
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| CN (1) | CN108861051B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111038838B (en) * | 2019-12-31 | 2021-06-22 | 贵州白喝吧商务科技有限责任公司 | Anti-counterfeiting packaging box and anti-counterfeiting method thereof |
| CN116969064B (en) * | 2023-09-25 | 2023-12-15 | 上海亲启科技有限公司 | Passive memory spring buckle device and memory method thereof |
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| CA2422618A1 (en) * | 2002-03-19 | 2003-09-19 | Richard Landis | Improved electrical panel access and control apparatus including true emergency stop and power buss lockout |
| CA2471917A1 (en) * | 2004-06-22 | 2005-12-22 | Echoworx Corporation | A method, system and computer program for protecting user credentials against security attacks |
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| CN102535981A (en) * | 2011-11-14 | 2012-07-04 | 贵州卓霖防伪科技有限公司 | Method for storing anti-counterfeiting code of anti-counterfeiting coded lock |
| CN107742143A (en) * | 2017-11-09 | 2018-02-27 | 宿迁市鹏辉机械有限公司 | One kind possesses the anti-fraud functional household electrical appliance of accessory |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA237980A (en) * | 1924-02-26 | Allain Jacques | Lock | |
| CN2144858Y (en) * | 1993-02-01 | 1993-10-27 | 谷世宁 | Electric switch for mechanical combination lock |
| CA2422618A1 (en) * | 2002-03-19 | 2003-09-19 | Richard Landis | Improved electrical panel access and control apparatus including true emergency stop and power buss lockout |
| CA2471917A1 (en) * | 2004-06-22 | 2005-12-22 | Echoworx Corporation | A method, system and computer program for protecting user credentials against security attacks |
| CN101028795A (en) * | 2006-03-03 | 2007-09-05 | 刘在能 | Safety controller with driving limiting in wine for automobile |
| WO2009039689A1 (en) * | 2007-09-24 | 2009-04-02 | Jianming Wu | Abstracting method for computer plain text character |
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| CA2718493A1 (en) * | 2009-10-29 | 2011-04-29 | Honeywell International Inc. | Electric timer for controlling power to a fan |
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| Publication number | Publication date |
|---|---|
| CN108861051A (en) | 2018-11-23 |
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