CN111445601A - Electronic key and using method thereof - Google Patents
Electronic key and using method thereof Download PDFInfo
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- CN111445601A CN111445601A CN202010064632.XA CN202010064632A CN111445601A CN 111445601 A CN111445601 A CN 111445601A CN 202010064632 A CN202010064632 A CN 202010064632A CN 111445601 A CN111445601 A CN 111445601A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00944—Details of construction or manufacture
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Networks & Wireless Communication (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention provides an electronic key and a using method thereof, and the electronic key has the beneficial effects that: accessible NFC, the bluetooth, RFID, mode such as USB writes in a plurality of ID number information or membership card information, can realize that every member information is mutual interference when reading and writing, not misreading, miss reading, have location and communication function, can realize member management, authorization management, electronic wallet, entrance guard management etc. need the function of identity affirmation, can use with APP, public number, applet and webpage end management software combine, realize user and operation management, user and user interaction, user and relatives contact, seek help, function such as warning, be used in the supermarket, can be used to functions such as member management, electronic wallet, division intelligent lock.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to a key, and more particularly, to an electronic key and a method for using the same.
[ background of the invention ]
The existing shopping cart unlocking and shared bicycle unlocking are operated through mobile phone software, a user needs to draw out a two-dimensional code on a mobile phone lock for operation each time, the procedure is complex, the experience is poor, some old people are not skilled in using a smart phone, the eyesight is poor, the use difficulty is increased, the two-dimensional code on the shopping cart and the shared bicycle is easy to damage, the two-dimensional code is not clear, and the two-dimensional code cannot be identified by the mobile phone scanning, so that the unlocking cannot be realized;
the current membership cards are all of a card type structure, the capacity of stored information is limited, the membership information of a certain merchant can be simply stored, and if the membership cards of multiple merchants exist, a plurality of membership cards need to be carried, so that the membership cards are poor in universality, inconvenient to carry, easy to lose, single in function and poor in use experience.
[ summary of the invention ]
The invention aims to solve the problems that the function is single, only the unlocking function is realized, member cards of a plurality of shops cannot be integrated with keys for use, and the information cannot be ensured not to be interfered with each other, misread and missed in the process of integrating ID information, and provides the electronic key.
The invention is realized by the following technical scheme: an electronic key comprises a shell, a battery and a PCBA board with a remote network connection module and a near-field communication module;
the inside PCBA board and the battery of being equipped with of casing, the battery with PCBA board electric connection.
Further, the casing includes upper cover and lower cover, the upper cover lid closes form the cavity on the lower cover, the upper cover middle part still is equipped with the button, the right side front end of upper cover is equipped with the through-hole, the right side front end of lower cover is equipped with the through-hole, the upper cover with the through-hole of lower cover corresponds each other through the screw fixation.
Further, PCBA board with long-range network connection module and near field communication module still includes singlechip, memory, long-range network connection module, near field communication module, USB interface, orientation module, PCBA board middle part still is equipped with unblock button or fingerprint identification module, singlechip and memory, long-range network connection module, near field communication module, orientation module, USB interface, unblock button signal connection, orientation module is one of them or multiple of bluetooth module, WIFI module, UWB module, 5G module.
Further, the remote network connection module is one or more of a GPRS module, an IOT module, a 3G module, a 4G module, a 5G module, or a bluetooth module.
Furthermore, the near field communication module is one or more of an NFC module, a Bluetooth module and an RFID module, and the NFC module, the Bluetooth module and the RFID module are in near field communication with the card reader-writer.
An electronic key is characterized in that electronic key embedded software is further burned in a single chip microcomputer, the electronic key embedded software comprises an MCU software control module, a near field communication software module, an encryption software module, a memory read-write software module and a remote network connection software module, and the MCU software control module is in information transmission with the near field communication software module, the encryption software module, the memory read-write software module and the remote network connection software module;
the near field communication software module reads or sends information to the card reader-writer through the near field communication module;
the remote network connection software module is in information communication with a remote server through a remote network connection module;
the MCU software control module controls the memory read-write software module to store the information read by the near-field communication software module from the read-write card device into the memory after being encrypted by the encryption software module or controls the MCU software control module to decrypt the information in the memory and then send the information from the near-field communication software module to the read-write card device;
an electronic key using method comprises the following steps: unlocking and taking a car, applying a membership card, selling the membership card, consuming daily and seeking help by one key;
the unlocking and vehicle taking operation steps are as follows:
s1, starting;
s2, whether a key event or a fingerprint identification event is generated or not is judged, if yes, the process goes to S3, and if not, the process goes back to S1;
s3, starting timing;
s4, if the fingerprint identification event is a fingerprint identification event, the single chip firstly confirms whether the scanned fingerprint information is matched with the stored fingerprint information, if so, the single chip controls the near field communication module to start Bluetooth scanning, otherwise, the single chip returns to S1; if the event is a key identification event, the singlechip controls the near-field communication module such as Bluetooth to start Bluetooth scanning;
s5, whether a lock with the Bluetooth signal intensity within 25db is scanned or not is judged, if yes, the process enters S6, and if not, the process enters S8;
s6, unlocking;
s7, sending the identity number of the unlocking user to the server, and entering S9;
s8, judging whether the time is out or not, if so, entering S9, and if not, returning to S3;
and S9, ending.
Further, the membership card transacting operation step and the membership card selling operation step are as follows:
a1, start;
a2, writing member information into the electronic card of the user by the supermarket end card reader-writer;
a3, the electronic card judges whether the remaining storage space is enough, if yes, the electronic card enters A4, and if not, the electronic card enters A6;
a4, storing member information by the electronic card;
a5, card application is successful;
a6, finishing;
the membership card selling operation steps are as follows:
b1, start;
b2, the card reader-writer sends a supermarket identification code and a card deleting command to the electronic card;
b3, searching the locally stored membership card information by the electronic card;
b4, whether the member information of the supermarket is searched or not is judged, if yes, the supermarket enters B5, and if not, the supermarket enters B7;
b5, deleting member information by the electronic card;
b6, the electronic card sends the deletion result to the card reader, and the card reader executes database operation;
and B7, ending.
Further, the daily consumption operation steps are as follows:
c1, start;
c2, the card reader-writer sends a supermarket identification code to the electronic card;
c3, searching the locally stored membership card information by the electronic card;
c4, whether the member information of the supermarket is searched or not is judged, if yes, the supermarket enters C5, and if not, the supermarket enters C7;
c5, the electronic card sends the member ID to the card reader;
c6, the card reader updates the database data according to the relevant operation of the member;
and C7, ending.
Further, the one-key help operation steps are as follows:
d1, start;
d2, whether the emergency help-seeking button is touched or not, if yes, the step is entered into D3, and if not, the step is returned to D1;
d3, acquiring the current position through a GPS;
d4, reporting the position information to a server;
d5, the server sends the related help information to the mobile phone of the relatives;
d6, and finishing.
The invention has the beneficial effects that:
(1) a plurality of ID number information or membership card information can be written in by means of NFC, Bluetooth, RFID, USB and the like.
(2) The mutual interference, misreading and missing reading of each member information can be avoided during reading and writing.
(3) Has the functions of positioning and communication.
(4) The functions of member management, authorization management, electronic purse, entrance guard management and the like which need identity confirmation can be realized.
(5) The system can be used in combination with APP, public numbers, applets and webpage management software to realize functions of user and operation management, user and user interaction, user and parent contact, help seeking, alarm and the like.
(6) The lock is used in supermarkets and can be used for functions of member management, electronic purses, unlocking intelligent locks and the like.
[ description of the drawings ]
FIG. 1 is a schematic view of the overall structure of an electronic key and a method for using the same according to the present invention;
FIG. 2 is an exploded view of the overall structure of the electronic key and its method of use of the present invention;
FIG. 3 is a front view of a PCBA board for the electronic key and method of use thereof of the present invention;
FIG. 4 is a side view of the overall construction of the electronic key and its method of use of the present invention;
FIG. 5 is a flow chart of an electronic key and method of use thereof in accordance with the present invention;
FIG. 6 is a flowchart of the unlocking and picking operation steps of the electronic key and the method of using the same of the present invention;
FIG. 7 is a flow chart of the operation steps of the membership card transaction of the electronic key and the method of using the same of the present invention;
FIG. 8 is a flow chart of the operation steps of the membership card operating procedure of the electronic key and the method of using the same of the present invention;
FIG. 9 is a flowchart of the daily consumption operations of the electronic key and method of using the same of the present invention;
FIG. 10 is a flowchart of one-touch help operation steps of the electronic key and the method of using the same of the present invention;
fig. 11 is a schematic diagram of NFC + B L E of the electronic key and its method of use of the present invention;
FIG. 12 is a schematic diagram of an electronic key and instructions, keys, for use with the method of the present invention;
FIG. 13 is a GPRS + GPS schematic diagram of the electronic key and method of use of the same of the present invention;
fig. 14 is a power supply diagram of the electronic key and the method of using the same according to the present invention.
[ detailed description ] embodiments
The invention is further described with reference to the accompanying drawings and the detailed description:
as shown in fig. 1 to 14, an electronic key comprises a housing, a battery 3, a PCBA board 2 with a remote network connection module 4 and a near field communication module 5;
the inside PCBA board 2 and the battery 3 of being equipped with of casing, battery 3 with PCBA board 2 electric connection.
Preferably, the casing includes upper cover 1 and lower cover 6, upper cover 1 lid closes form the cavity on the lower cover 6, upper cover 1 middle part still is equipped with the button, the right side front end of upper cover 1 is equipped with through-hole 7, the right side front end of lower cover 6 is equipped with through-hole 7, upper cover 1 with the through-hole 7 of lower cover 6 corresponds each other and passes through the screw fixation.
Preferably, PCBA board 2 with long-range network connection module 4 and near field communication module 5 still includes singlechip 9, memory 8, long-range network connection module 4, near field communication module 5, USB interface, orientation module, PCBA board 2 middle part still is equipped with unblock button or fingerprint identification module, singlechip 9 and memory 8, long-range network connection module 4, near field communication module 5, orientation module, USB interface, unblock button signal connection, orientation module is one or more of bluetooth module, WIFI module, UWB module, 5G module.
Preferably, the remote network connection module 4 is one or more of a GPRS module, an IOT module, a 3G module, a 4G module, a 5G module or a bluetooth module.
Preferably, the near field communication module 5 is one or more of an NFC module, a bluetooth module, and an RFID module, and the NFC module, the bluetooth module, and the RFID module are in near field communication with the card reader.
An electronic key is characterized in that an electronic key embedded software is further burned in a single chip microcomputer 9, the electronic key embedded software comprises an MCU software control module, a near field communication software module, an encryption software module, a memory 8 read-write software module and a remote network connection software module, and the MCU software control module is in information transmission with the near field communication software module, the encryption software module, the memory 8 read-write software module and the remote network connection software module;
the near field communication software module reads or sends information to the card reader-writer through the near field communication module 5;
the remote network connection software module is in information communication with a remote server through a remote network connection module 4;
the MCU software control module controls the memory 8 read-write software module to store the information read by the near-field communication software module from the card reader-writer into the memory 8 after being encrypted by the encryption software module or controls the MCU software control module to decrypt the information in the memory 8 and then sends the information from the near-field communication software module to the card reader-writer after being decrypted by the encryption software module;
an electronic key using method comprises the following steps: unlocking and taking a car, applying a membership card, selling the membership card, consuming daily and seeking help by one key;
the unlocking and vehicle taking operation steps are as follows:
s1, starting;
s2, whether a key event or a fingerprint identification event is generated or not is judged, if yes, the process goes to S3, and if not, the process goes back to S1;
s3, starting timing;
s4, if the fingerprint identification event is a fingerprint identification event, the singlechip 9 firstly confirms whether the scanned fingerprint information is matched with the stored fingerprint information, if so, the singlechip 9 controls the near field communication module 5 to start Bluetooth scanning if Bluetooth, otherwise, the Bluetooth scanning returns to S1; if the key identification event is a key identification event, the singlechip 9 controls the near field communication module 5 to start Bluetooth scanning if Bluetooth exists;
s5, whether a lock with the Bluetooth signal intensity within 25db is scanned or not is judged, if yes, the process enters S6, and if not, the process enters S8;
s6, unlocking;
s7, sending the identity number of the unlocking user to the server, and entering S9;
s8, judging whether the time is out or not, if so, entering S9, and if not, returning to S3;
and S9, ending.
Preferably, the membership card transacting operation step and the membership card selling operation step are as follows:
a1, start;
a2, writing member information into the electronic card of the user by the supermarket end card reader-writer;
a3, the electronic card judges whether the remaining storage space is enough, if yes, the electronic card enters A4, and if not, the electronic card enters A6;
a4, storing member information by the electronic card;
a5, card application is successful;
a6, finishing;
the membership card selling operation steps are as follows:
b1, start;
b2, the card reader-writer sends a supermarket identification code and a card deleting command to the electronic card;
b3, searching the locally stored membership card information by the electronic card;
b4, whether the member information of the supermarket is searched or not is judged, if yes, the supermarket enters B5, and if not, the supermarket enters B7;
b5, deleting member information by the electronic card;
b6, the electronic card sends the deletion result to the card reader, and the card reader executes database operation;
and B7, ending.
Preferably, the daily consumption operation steps are as follows:
c1, start;
c2, the card reader-writer sends a supermarket identification code to the electronic card;
c3, searching the locally stored membership card information by the electronic card;
c4, whether the member information of the supermarket is searched or not is judged, if yes, the supermarket enters C5, and if not, the supermarket enters C7;
c5, the electronic card sends the member ID to the card reader;
c6, the card reader updates the database data according to the relevant operation of the member;
and C7, ending.
Preferably, the one-key help operation steps are as follows:
d1, start;
d2, whether the emergency help-seeking button is touched or not, if yes, the step is entered into D3, and if not, the step is returned to D1;
d3, acquiring the current position through a GPS;
d4, reporting the position information to a server;
d5, the server sends the related help information to the mobile phone of the relatives;
d6, and finishing.
Appropriate changes and modifications to the embodiments described above will become apparent to those skilled in the art from the disclosure and teachings of the foregoing description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used herein, they are used for convenience of description only and do not limit the present invention in any way.
Claims (10)
1. An electronic key is characterized by comprising a shell, a battery, a PCBA board with a remote network connection module and a near field communication module;
the inside PCBA board and the battery of being equipped with of casing, the battery with PCBA board electric connection.
2. The electronic key according to claim 1, wherein: the casing includes upper cover and lower cover, the upper cover lid closes form the cavity on the lower cover, the upper cover middle part still is equipped with the button, the right side front end of upper cover is equipped with the through-hole, the right side front end of lower cover is equipped with the through-hole, the upper cover with the through-hole of lower cover corresponds each other and passes through the screw fixation.
3. The electronic key according to claim 1, wherein: PCBA board with long-range network connection module and near field communication module still includes singlechip, memory, long-range network connection module, near field communication module, USB interface, orientation module, PCBA board middle part still is equipped with unblock button or fingerprint identification module, singlechip and memory, long-range network connection module, near field communication module, orientation module, USB interface, unblock button signal connection, orientation module is one of them or multiple of bluetooth module, WIFI module, UWB module, 5G module.
4. The electronic key according to claim 1, wherein: the remote network connection module is one or more of a GPRS module, an IOT module, a 3G module, a 4G module, a 5G module or a Bluetooth module.
5. The electronic key of claim 1, wherein the near field communication module is one or more of an NFC module, a bluetooth module, and an RFID module, and the NFC module, the bluetooth module, and the RFID module are in near field communication with the card reader.
6. An electronic key, characterized in that: the single chip microcomputer is also internally burned with electronic key embedded software, the electronic key embedded software comprises an MCU software control module, a near field communication software module, an encryption software module, a memory read-write software module and a remote network connection software module, and the MCU software control module is in information transmission with the near field communication software module, the encryption software module, the memory read-write software module and the remote network connection software module;
the near field communication software module reads or sends information to the card reader-writer through the near field communication module;
the remote network connection software module is in information communication with a remote server through a remote network connection module;
the MCU software control module controls the memory read-write software module to store the information read by the near-field communication software module from the card reader-writer after being encrypted by the encryption software module into the memory or controls the information in the memory to be decrypted by the encryption software module and then sent to the card reader-writer from the near-field communication software module.
7. An electronic key using method is characterized by comprising the following steps: unlocking and taking a car, applying a membership card, selling the membership card, consuming daily and seeking help by one key;
the unlocking and vehicle taking operation steps are as follows:
s1, starting;
s2, whether a key event or a fingerprint identification event is generated or not is judged, if yes, the process goes to S3, and if not, the process goes back to S1;
s3, starting timing;
s4, if the fingerprint identification event is, the single chip firstly confirms whether the scanned fingerprint information is matched with the stored fingerprint information, if so, the single chip controls the near field communication module to start Bluetooth scanning, otherwise, the single chip returns to S1; if the key identification event is a key identification event, the singlechip controls the near field communication module such as Bluetooth to start Bluetooth scanning;
s5, whether a lock with the Bluetooth signal intensity within 25db is scanned or not is judged, if yes, the process enters S6, and if not, the process enters S8;
s6, unlocking;
s7, sending the identity number of the unlocking user to the server, and entering S9;
s8, judging whether the time is out or not, if so, entering S9, and if not, returning to S3;
and S9, ending.
8. The electronic key according to claim 7, wherein the membership card transacting operation and the membership card selling operation are as follows:
a1, start;
a2, writing member information into the electronic card of the user by the supermarket end card reader-writer;
a3, the electronic card judges whether the remaining storage space is enough, if yes, the electronic card enters A4, and if not, the electronic card enters A6;
a4, storing member information by the electronic card;
a5, card application is successful;
a6, finishing;
the membership card selling operation steps are as follows:
b1, start;
b2, the card reader-writer sends a supermarket identification code and a card deleting command to the electronic card;
b3, searching the locally stored membership card information by the electronic card;
b4, whether the member information of the supermarket is searched or not is judged, if yes, the supermarket enters B5, and if not, the supermarket enters B7;
b5, deleting member information by the electronic card;
b6, the electronic card sends the deletion result to the card reader, and the card reader executes database operation;
and B7, ending.
9. The electronic key of claim 7, wherein the daily consumption operation steps are as follows:
c1, start;
c2, the card reader-writer sends a supermarket identification code to the electronic card;
c3, searching the locally stored membership card information by the electronic card;
c4, whether the member information of the supermarket is searched or not is judged, if yes, the supermarket enters C5, and if not, the supermarket enters C7;
c5, the electronic card sends the member ID to the card reader;
c6, the card reader updates the database data according to the relevant operation of the member;
and C7, ending.
10. The electronic key of claim 7, wherein the one-key-help operation steps are as follows:
d1, start;
d2, whether the emergency help-seeking button is touched or not, if yes, the step is entered into D3, and if not, the step is returned to D1;
d3, acquiring the current position through a GPS;
d4, reporting the position information to a server;
d5, the server sends the related help information to the mobile phone of the relatives;
d6, and finishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010064632.XA CN111445601A (en) | 2020-01-20 | 2020-01-20 | Electronic key and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010064632.XA CN111445601A (en) | 2020-01-20 | 2020-01-20 | Electronic key and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111445601A true CN111445601A (en) | 2020-07-24 |
Family
ID=71653928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010064632.XA Pending CN111445601A (en) | 2020-01-20 | 2020-01-20 | Electronic key and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111445601A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115482606A (en) * | 2021-06-16 | 2022-12-16 | 厦门通通超软件科技有限公司 | Master key system and using method |
| FR3143643A1 (en) * | 2022-12-16 | 2024-06-21 | Valeo Comfort And Driving Assistance | Vehicle access key including an electrically conductive shield |
-
2020
- 2020-01-20 CN CN202010064632.XA patent/CN111445601A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115482606A (en) * | 2021-06-16 | 2022-12-16 | 厦门通通超软件科技有限公司 | Master key system and using method |
| FR3143643A1 (en) * | 2022-12-16 | 2024-06-21 | Valeo Comfort And Driving Assistance | Vehicle access key including an electrically conductive shield |
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