CN101353936A - Automobile fingerprint remote control key based on special-purpose fingerprint identification processor and working method thereof - Google Patents
Automobile fingerprint remote control key based on special-purpose fingerprint identification processor and working method thereof Download PDFInfo
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- CN101353936A CN101353936A CN 200810119257 CN200810119257A CN101353936A CN 101353936 A CN101353936 A CN 101353936A CN 200810119257 CN200810119257 CN 200810119257 CN 200810119257 A CN200810119257 A CN 200810119257A CN 101353936 A CN101353936 A CN 101353936A
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Abstract
The invention discloses a vehicle fingerprint remote key based on a specific fingerprint identification processor, and a working method thereof. The vehicle fingerprint remote key comprises a code transmission module and a fingerprint module which comprises a processing unit, a memory and a fingerprint sensor; the processing unit is a processor specifically used for fingerprint identification; the code transmission module, the memory and the fingerprint sensor are all connected with the processing unit; the memory is used for memorizing fingerprint templates; the fingerprint sensor is used for collecting fingerprints; the processing unit is used for comparing the fingerprints collected by the fingerprint sensor with the fingerprint templates in the memory; after the comparison passes, a trigger signal is sent to the code transmission module, and then the code transmission module sends a control signal to the vehicle to pen or close the vehicle door. The vehicle fingerprint remote key adopts the fingerprint processing unit as an integrated circuit (ASIC) specifically used for fingerprint identification, has small volume, convenient carrying, low power consumption and long battery service life, thus being convenient for popularization and application.
Description
Technical field
The present invention relates to field of remote control, relate in particular to automobile fingerprint remote control key and method of work thereof based on special-purpose fingerprint identification processor.
Background technology
Along with the development of social modernization, automobile has become in people's daily life requisite walking-replacing tool.Along with development of science and technology, the wireless remote-control system range of application is also enlarging, and has been widely used in the door-locking system of automobile at present, has so not only made things convenient for the car owner, has also increased the safety of automobile door lock simultaneously.
Present automobile remote-control key generally all is to be passed through to trigger coding circuit (as Fig. 1 a, Fig. 1 b) by button or password authentification, and encoded circuit generates one group of ciphertext, sends Encryption Control Signal by radiating circuit to the automobile receiver module then.The safety of button triggering mode is not high, and in fact no matter who as long as obtained remote-control key, can be exactly a kind of mode that thing be can't bear the people of recognizing by gently once opening automobile door lock by button just; The safety of password triggering mode is higher than the safety of button triggering mode, but all will input password at every turn, and password has memory difficulty, shortcoming such as easily forgets, easily cracks, and in fact also is a kind of mode that thing (password) is not recognized people of recognizing.
Fingerprint characteristic is the part of human body, can not lose, and needn't worry to leave behind, and need not remember tediously long complex password.Fingerprint characteristic is that everyone is unique, cannot duplicate, and does not worry stolen.Utilizing fingerprint recognition is safely, reliably, accurately as the authentication means of automobile remote-control key.Also occurred the automobile finger-print key now on the market, but its processor is based on all on the general-purpose chips such as DSP or ARM and runs software code realization.Because general-purpose chip is in the rigidity of aspects such as area, power consumption, price, make the remote controller volume of working it out carry inconvenience greatly, the power consumption main point is often changed battery, is unfavorable for the popularization and application of finger print remote control device by the on the high side of fingerprint key because the rigidity of price makes.
Summary of the invention
In order to solve above-mentioned technical problem, a kind of automobile fingerprint remote control key and method of work thereof based on special-purpose fingerprint identification processor is provided, its purpose is, improves the security performance of automobile.
The invention provides automobile fingerprint remote control key, comprise the coding transmitter module, also comprise fingerprint module based on special-purpose fingerprint identification processor;
Fingerprint module comprises: processing unit, memory and fingerprint sensor; Processing unit is a special-purpose fingerprint identification processor;
Coding transmitter module, memory all are connected with processing unit with fingerprint sensor;
Memory is used to store fingerprint template;
Fingerprint sensor is used to gather fingerprint;
Processing unit is used for the fingerprint of fingerprint sensor collection and the fingerprint template of memory are compared, and after comparison is passed through, triggering signal is sent to the coding transmitter module, and the coding transmitter module transmits control signal to open or close car door to automobile.
Also comprise the key circuit that is connected with processing unit, be used to set the mode of operation of processing unit.
Mode of operation is fingerprint register pattern or fingerprint puncturing pattern.
Processing unit also is used for fingerprint template is encrypted or deciphered.
Memory is the FLASH memory.
The coding transmitter module is the coding transmitter module of rolling code.
The automobile fingerprint remote control key shell is provided with a protective cover, is used to protect sensor not to be damaged.
When opening protective cover, power on for fingerprint module automatically.
The invention provides the method for work of automobile fingerprint remote control key, comprising:
Step 1 is stored in fingerprint template in the memory;
Step 2, fingerprint sensor is gathered fingerprint;
Step 3, processing unit compares the fingerprint of fingerprint sensor collection and the fingerprint template in the memory, after comparison is passed through, triggering signal is sent to the coding transmitter module;
Step 4, the coding transmitter module transmits control signal to automobile, is used to open or close car door.
In the step 1, processing unit is also encrypted fingerprint template; In the step 3, the fingerprint template after processing unit will be deciphered and the fingerprint of fingerprint sensor collection are compared.
Also comprise step 5 before the step 1, on the automobile fingerprint remote control key shell, establish a protective cover, be used to protect sensor not to be damaged.
Also comprise step 6 between step 5 and the step 1, open protective cover, power on for fingerprint module automatically.
If automobile fingerprint remote control key is lost, the car owner lost efficacy the fingerprint remote control key of losing by receiver is relearned; The car owner can join an automobile fingerprint remote control key again to open or close car door then.
It is the special IC (ASIC) of fingerprint recognition that the present invention adopts the fingerprint processing unit, its intrinsic price, area, power consumption, performance advantage will make automobile finger-print key performance more remarkable, volume carries more convenient for a short time, battery low in energy consumption is longer service time, cheaply is convenient to penetration and promotion and uses, owing to adopt the hardware implementation algorithm, and fingerprint template is through encrypting storage, so good confidentiality is used saferly, it is convenient cheap again to change key.
Description of drawings
Fig. 1 a is the schematic diagram of the remote-control key of button triggering;
Fig. 1 b is password authentification by the schematic diagram of the remote-control key that triggers;
Fig. 2 is an automobile fingerprint remote control key schematic diagram of the present invention;
Fig. 3 is a fingerprint register flow chart of the present invention;
Fig. 4 is a finger print identifying flow chart of the present invention.
The specific embodiment
The present invention is applied to ripe fingerprint identification technology on the automobile remote-control key, utilize a fingerprint identification module based on the fingerprint recognition chip (ASIC) of special use, substitute existing button circuits for triggering and password circuits for triggering, only after fingerprint is by authentication, fingerprint module just sends triggering signal to the coding transmitter module to the user in use.
The invention provides a kind of automotive lock fingerprint remote control key of realizing based on special-purpose fingerprint identification processor, on the basis that does not change existing automobile remote-control locking device, as long as a fingerprint identification module is being installed on the key, just can realize a kind of fingerprint remote control key, the key configuration is convenient, low price, and security performance is good, even key loss, others takes key can not open automobile door lock.
Automobile fingerprint remote control key of the present invention is a kind of remote-control key that the mechanical key with automobile door lock separates.
What the present invention adopted is the coding transmitter module of hopping code, if remote-control key is lost, the car owner can open car door by mechanical standby key, by removing receiver data, relearns, and the key of losing just lost efficacy to automobile.The car owner joins a remote-control key again and gets final product then.
Integrated high-performance microprocessor, fingerprint recognition are handled in the special-purpose fingerprint recognition process chip that the present invention adopts, encryption and decryption engine and industry standard interface etc. contain whole Core Features that biological detection is handled, so adopt application and development of the present invention fairly simple, because the inherent characteristics of special IC, make cost of developing also lower, user's safety in use is convenient again.
With reference to the accompanying drawings the present invention is done below and describe in detail.
The present invention as shown in Figure 2.The fingerprint key comprises a fingerprint module 201 and a coding transmitter module 202.
Described memory 213, the fingerprint template of storage are the fingerprint templates through encrypting.
The delivery outlet of processing unit 211 joins with the input port of coding transmitter module.
The transmitter module 202 of wherein encoding is existing coding transmitter modules, it is characterized in that it being a kind of coding transmitter module that uses hopping code, can realize the function of coding circuit and radiating circuit.
On the automobile fingerprint remote control key shell of the present invention, be provided with a protective cover, be used to protect sensor not to be damaged.Described protective cover, its feature also are to power on for fingerprint module 201 automatically when opening protective cover.
Further the present invention will be described with workflow diagram below.
Fingerprint register flow process of the present invention comprises as shown in Figure 3:
Step 301, system powers on;
The mode that powers on of the present invention is for to power on for system automatically by opening over cap.
Step 302, system initialization;
At every turn, all to move one section initialize routine to system initialization for after system powers on.
Step 303 enters the line registration mode;
If use the local terminal first, system can enter the fingerprint register pattern automatically after initialization.As manager's fingerprint is arranged, then need to import corresponding modes and select signal.
Step 304, administrator authorization;
After entering registration mode, need the mandate of first input manager person fingerprint.If use first, user's acquiescence is the manager, directly enters fingerprint register this moment.
Step 305, fingerprint collecting;
Press system prompt, will point exact being put on the fingerprint sensor, system gathers fingerprint automatically.If gather failure, relay finger and gather again, till success.In order to guarantee the quality of fingerprint template, will be when registration to three qualified fingerprints of same finger collection.
Step 306, storing template;
After three fingerprint collecting successes, Fingerprint Processing Module selects a best fingerprint as template according to the quality of fingerprint image, and it is existed in the external memory, this fingerprint register success this moment.
Step 307, standby mode;
After succeeding in registration, system enters standby mode automatically.Waiting for next time wakes up.
Realize systemic-function by flow process as shown in Figure 4.Flow process can realize easily that validated user carries out safety operation to automobile key in view of the above.
Step 401, system powers on;
Power on to system, the mode that powers on powers on for system automatically for opening protective cover.
Step 402, system initialization;
After system powers on, move one section initialization boot.
Step 403, the input fingerprint;
Behind the system initialization, enter the fingerprint typing stage.Processor initiatively removes to detect fingerprint sensor, just gathers finger print data, passes to Fingerprint Processing Module, simultaneously finger print data is handled if there is live finger to put.
Step 404, fingerprint matching;
Processor will be stored in the fingerprint template of memory and be transferred to the fingerprint processing unit, allow the fingerprint processing unit that the fingerprint and the template of collection in worksite are compared.If on-the-spot fingerprint of being gathered and the unmatched words of fingerprint template that are stored in the memory are got back to step 403, and it fails to match to point out the visitor, please re-enter fingerprint.Three times all it fails to match when gathering, and just directly enters the system standby pattern.If the fingerprint matching success then enters into step 405.
Step 405 sends triggering signal to the coding transmitter module;
The fingerprint matching success, after system authorizes the corresponding operating authority, processing unit will begin to send triggering signal to the coding transmitter module.
After the program that system need carry out is carried out end, will make terminal enter standby mode in order to satisfy low power processor.When opening protective cover, can wake fingerprint module up by powering on automatically, and re-execute the primary system program.
The invention provides the method for work of automobile fingerprint remote control key, comprising:
Step 1 is stored in fingerprint template in the memory;
Step 2, fingerprint sensor is gathered fingerprint;
Step 3, processing unit compares the fingerprint of fingerprint sensor collection and the fingerprint template in the memory, after comparison is passed through, triggering signal is sent to the coding transmitter module;
Step 4, the coding transmitter module transmits control signal to automobile, is used to open or close car door.
In the step 1, processing unit is also encrypted fingerprint template; In the step 3, the fingerprint template after processing unit will be deciphered and the fingerprint of fingerprint sensor collection are compared.
Also comprise step 5 before the step 1, on the automobile fingerprint remote control key shell, establish a protective cover, be used to protect sensor not to be damaged.
Also comprise step 6 between step 5 and the step 1, open protective cover, power on for fingerprint module automatically.
If automobile fingerprint remote control key is lost, the car owner can join an automobile fingerprint remote control key again.
Those skilled in the art can also carry out various modifications to above content under the condition that does not break away from the definite the spirit and scope of the present invention of claims.Therefore scope of the present invention is not limited in above explanation, but determine by the scope of claims.
Claims (13)
1. based on the automobile fingerprint remote control key of special-purpose fingerprint identification processor, comprise the coding transmitter module, it is characterized in that, also comprise fingerprint module;
Fingerprint module comprises: processing unit, memory and fingerprint sensor; Processing unit is a special-purpose fingerprint identification processor;
Coding transmitter module, memory all are connected with processing unit with fingerprint sensor;
Memory is used to store fingerprint template;
Fingerprint sensor is used to gather fingerprint;
Processing unit is used for the fingerprint of fingerprint sensor collection and the fingerprint template of memory are compared, and after comparison is passed through, triggering signal is sent to the coding transmitter module, and the coding transmitter module transmits control signal to open or close car door to automobile.
2. automobile fingerprint remote control key as claimed in claim 1 is characterized in that, also comprises the key circuit that is connected with processing unit, is used to set the mode of operation of processing unit.
3. automobile fingerprint remote control key as claimed in claim 2 is characterized in that, mode of operation is fingerprint register pattern or fingerprint puncturing pattern.
4. automobile fingerprint remote control key as claimed in claim 1 is characterized in that, processing unit also is used for fingerprint template is encrypted or deciphered.
5. automobile fingerprint remote control key as claimed in claim 1 is characterized in that, memory is the FLASH memory.
6. automobile fingerprint remote control key as claimed in claim 1 is characterized in that, the coding transmitter module is the coding transmitter module of rolling code.
7. automobile fingerprint remote control key as claimed in claim 1 is characterized in that the automobile fingerprint remote control key shell is provided with a protective cover, is used to protect sensor not to be damaged.
8. automobile fingerprint remote control key as claimed in claim 7 is characterized in that, when opening protective cover, powers on for fingerprint module automatically.
9. the method for work of automobile fingerprint remote control key as claimed in claim 1 is characterized in that, comprising:
Step 1 is stored in fingerprint template in the memory;
Step 2, fingerprint sensor is gathered fingerprint;
Step 3, processing unit compares the fingerprint of fingerprint sensor collection and the fingerprint template in the memory, after comparison is passed through, triggering signal is sent to the coding transmitter module;
Step 4, the coding transmitter module transmits control signal to automobile, is used to open or close car door.
10. the method for work of automobile fingerprint remote control key as claimed in claim 9 is characterized in that, in the step 1, processing unit is also encrypted fingerprint template; In the step 3, the fingerprint template after processing unit will be deciphered and the fingerprint of fingerprint sensor collection are compared.
11. the method for work of automobile fingerprint remote control key as claimed in claim 9 is characterized in that, also comprises step 5 before the step 1, establishes a protective cover on the automobile fingerprint remote control key shell, is used to protect sensor not to be damaged.
12. the method for work of automobile fingerprint remote control key as claimed in claim 11 is characterized in that, also comprises step 6 between step 5 and the step 1, opens protective cover, powers on for fingerprint module automatically.
13. the method for work of automobile fingerprint remote control key as claimed in claim 9 is characterized in that, if automobile fingerprint remote control key is lost, the car owner lost efficacy the fingerprint remote control key of losing by receiver is relearned; The car owner can join an automobile fingerprint remote control key again to open or close car door then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810119257 CN101353936A (en) | 2008-09-01 | 2008-09-01 | Automobile fingerprint remote control key based on special-purpose fingerprint identification processor and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810119257 CN101353936A (en) | 2008-09-01 | 2008-09-01 | Automobile fingerprint remote control key based on special-purpose fingerprint identification processor and working method thereof |
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| CN101353936A true CN101353936A (en) | 2009-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200810119257 Pending CN101353936A (en) | 2008-09-01 | 2008-09-01 | Automobile fingerprint remote control key based on special-purpose fingerprint identification processor and working method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101899918A (en) * | 2010-07-21 | 2010-12-01 | 广州优利康沛科技有限公司 | Wireless regional fingerprint-positioning key |
| CN103065452A (en) * | 2012-12-29 | 2013-04-24 | 李建明 | Fingerprint remote control device and control method thereof |
| CN103150563A (en) * | 2013-03-25 | 2013-06-12 | 李建明 | Fingerprint recognition system and application thereof |
| CN104616374A (en) * | 2014-12-17 | 2015-05-13 | 江苏合智同创电子科技有限公司 | Car key remote control system radiofrequency signal interception method |
| CN105270294A (en) * | 2015-10-28 | 2016-01-27 | 莆田市云驰新能源汽车研究院有限公司 | Driving-environment presetting system and method of remote fingerprint key |
| CN106056702A (en) * | 2015-04-09 | 2016-10-26 | 福特全球技术公司 | Systems and methods for mobile phone key fob management |
| CN106296897A (en) * | 2016-08-01 | 2017-01-04 | 电子科技大学 | The intelligent active electronic key of finger print identifying and passive smart lock and its implementation |
| CN108806024A (en) * | 2017-05-02 | 2018-11-13 | 百帝安（北京）科技有限公司 | Convenient type independence fingerprint identification module |
-
2008
- 2008-09-01 CN CN 200810119257 patent/CN101353936A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101899918A (en) * | 2010-07-21 | 2010-12-01 | 广州优利康沛科技有限公司 | Wireless regional fingerprint-positioning key |
| CN103065452A (en) * | 2012-12-29 | 2013-04-24 | 李建明 | Fingerprint remote control device and control method thereof |
| CN103150563A (en) * | 2013-03-25 | 2013-06-12 | 李建明 | Fingerprint recognition system and application thereof |
| CN104616374A (en) * | 2014-12-17 | 2015-05-13 | 江苏合智同创电子科技有限公司 | Car key remote control system radiofrequency signal interception method |
| CN106056702A (en) * | 2015-04-09 | 2016-10-26 | 福特全球技术公司 | Systems and methods for mobile phone key fob management |
| CN105270294A (en) * | 2015-10-28 | 2016-01-27 | 莆田市云驰新能源汽车研究院有限公司 | Driving-environment presetting system and method of remote fingerprint key |
| CN106296897A (en) * | 2016-08-01 | 2017-01-04 | 电子科技大学 | The intelligent active electronic key of finger print identifying and passive smart lock and its implementation |
| CN108806024A (en) * | 2017-05-02 | 2018-11-13 | 百帝安（北京）科技有限公司 | Convenient type independence fingerprint identification module |
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Open date: 20090128 |