CN114419821A - Fingerprint identification theftproof notebook computer - Google Patents
Fingerprint identification theftproof notebook computer Download PDFInfo
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- CN114419821A CN114419821A CN202210058385.1A CN202210058385A CN114419821A CN 114419821 A CN114419821 A CN 114419821A CN 202210058385 A CN202210058385 A CN 202210058385A CN 114419821 A CN114419821 A CN 114419821A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
- G08B13/1654—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
- G08B13/1472—Mechanical actuation by lifting or attempted removal of hand-portable articles with force or weight detection
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
Abstract
The invention discloses a fingerprint identification anti-theft notebook computer, which comprises: the anti-theft system, the fingerprint identification module, the anti-theft power supply, the vibration displacement sensor and the alarm module are arranged on the notebook computer mainboard; the anti-theft system is connected with the fingerprint identification module, the anti-theft power supply, the alarm module and the vibration displacement sensor, and the anti-theft power supply is connected with the anti-theft system, the fingerprint identification module, the alarm module and the vibration displacement sensor; after the anti-theft system is started by the notebook computer, if the vibration displacement sensor detects that the notebook computer has vibration or displacement, an alarm signal is sent to the anti-theft system, the anti-theft system judges whether the fingerprint identification module has matched fingerprint input within a preset first time period, if so, the alarm is released, and if not, an instruction is sent to the alarm module to perform alarm action. If the owner of the notebook computer starts an alarm signal due to misoperation, the alarm can be relieved in a fingerprint inputting mode.
Description
Technical Field
The invention relates to the technical field of notebook computers, in particular to a fingerprint identification anti-theft notebook computer.
Background
With the increasing popularity of electronic technology, notebook computers are popular among people because of their small size and portability, and for these reasons, notebook computers are one of the valuables with high loss rate no matter in offices, homes or schools. Especially, a notebook computer storing important information such as business confidentiality may be lost seriously. In order to protect the notebook computer from being stolen, the notebook computer can be prevented from being stolen in a mode of arranging a computer lock of the traditional notebook computer, but the use of the computer lock is greatly influenced by the environment, the safety factor is not high, and a chain is easily damaged. In addition, important information in the notebook computer which can be lost in a password setting mode is not leaked, but the situation that the notebook computer is stolen is not fundamentally avoided, so that a scheme which can fundamentally solve the situation that the notebook computer is stolen is urgently needed, the anti-theft rate of the notebook computer is reduced, and the safety of a user is improved.
Disclosure of Invention
The invention provides a fingerprint identification anti-theft notebook computer, which aims to solve the problems in the prior art.
The invention provides a fingerprint identification anti-theft notebook computer, comprising: the anti-theft system, the fingerprint identification module, the anti-theft power supply, the vibration displacement sensor and the alarm module are arranged on the notebook computer mainboard;
the anti-theft system is connected with the fingerprint identification module, the anti-theft power supply, the alarm module and the vibration displacement sensor, and the anti-theft power supply is connected with the anti-theft system, the fingerprint identification module, the alarm module and the vibration displacement sensor;
after the anti-theft system is started by the notebook computer, if the vibration displacement sensor detects that the notebook computer has vibration or displacement, an alarm signal is sent to the anti-theft system, the anti-theft system judges whether the fingerprint identification module has matched fingerprint input within a preset first time period, if so, the alarm is released, and if not, an instruction is sent to the alarm module to perform alarm action.
Preferably, the anti-theft device further comprises a vibration module, wherein the vibration module is connected with the vibration displacement sensor and the anti-theft system;
when the vibration displacement sensor detects that the notebook computer vibrates or displaces, the vibration displacement sensor sends a vibration instruction to the vibration module, the vibration module receives the vibration instruction, and the vibration motor is started according to the vibration instruction to vibrate the notebook computer;
correspondingly, when the alarm is relieved, the anti-theft system sends a vibration relieving instruction to the vibration module, and the vibration module stops the work of the vibration motor according to the received vibration relieving instruction, so that the notebook computer stops vibrating.
Preferably, the system also comprises a display screen state detection module, a notebook power supply connection state detection module and an on-off circuit detection module which are connected with the anti-theft system;
the display screen state detection module judges whether the state of the display screen changes or not according to whether the display screen is in a folded state or an unfolded state, and if so, sends an alarm signal to the anti-theft system;
the notebook computer power-on state detection module detects whether the power supply of the notebook computer is switched off, and if the power supply of the notebook computer is switched off, an alarm signal is sent to the anti-theft system;
the power on/off circuit detection module detects whether a power on or power off action exists, and if the power on or power off action is detected, an alarm signal is sent to the anti-theft system.
Preferably, when the vibration displacement sensor detects displacement or vibration and before the detection is finished within a preset first time period, any one of the display screen state detection module, the notebook power supply connection state detection module or the on-off circuit detection module of the anti-theft system detects information meeting an alarm condition, the corresponding module sends a direct alarm instruction to the anti-theft system, the anti-theft system sends the direct alarm instruction to the alarm module, and the alarm module executes an alarm action according to the received direct alarm instruction.
Preferably, the fingerprint recognition module includes: the fingerprint acquisition unit and the fingerprint matching unit;
the fingerprint acquisition unit acquires fingerprint information of a fingerprint input person, the fingerprint matching unit searches in a fingerprint library according to the input fingerprint information and checks whether a fingerprint matched with the input fingerprint information exists, if so, the fingerprint input is determined to be matched, and if not, the fingerprint input is determined not to be matched;
if the fingerprint acquisition unit does not acquire fingerprint information, the fingerprint matching unit directly outputs the result of fingerprint input without matching.
Preferably, the mobile communication device further comprises a mobile communication module, wherein the mobile communication module comprises a mobile communication chip;
the mobile communication chip is embedded in an integrated circuit of a notebook computer mainboard, is connected with the anti-theft power supply and supplies power to the mobile communication chip through the anti-theft power supply;
the mobile communication chip is connected with a switch control button of the anti-theft system, and the mobile terminal with the mobile communication function is connected with the anti-theft system based on the mobile communication chip and controls the anti-theft system to be turned on or off through the mobile terminal.
Preferably, the anti-theft device further comprises a GPS module, wherein the GPS module is connected with the anti-theft power supply and is used for positioning the position of the notebook computer and acquiring position information;
pre-storing a plurality of emergency mobile phone numbers in the mobile communication module;
when the alarm module executes an alarm action, the anti-theft system acquires the current position information of the notebook computer from the GPS module; the anti-theft system is connected with the mobile communication module and sends the current position information to a plurality of pre-stored emergency mobile phone numbers in a short message notification mode.
Preferably, the anti-theft device also comprises an anti-theft timing module, wherein the anti-theft timing module is connected with a switch control button of the anti-theft system; the anti-theft timing module is used for starting or closing the anti-theft system in a timing mode;
when the anti-theft system is started in a timing mode, a second time period is preset, the user is reminded of carrying out fingerprint verification in a voice mode when the second time period is over, the anti-theft system judges whether alarming is needed or not according to whether the fingerprint identification module has matched fingerprint input or not, if yes, the alarming is relieved, and if not, an instruction is sent to the alarming module to carry out alarming action.
Preferably, the monitoring device further comprises a standby battery, and the standby battery is connected with the alarm module;
the standby battery is connected in series in the power on/off circuit of the notebook computer, when the standby battery is electrified, the power on/off circuit is in an on state, and the power on/off button can be normally used; when the standby battery is not charged, the on-off circuit is in an off state, and the on-off button cannot be normally used.
The standby battery is a solar storage battery; and when the alarm module does not relieve the alarm, the alarm module can continuously execute the alarm action.
Preferably, the notebook computer further comprises stress sensors, wherein the stress sensors are arranged on the upper surface and the lower surface of the notebook computer and are located at the positions on the periphery of the notebook computer, and the stress sensors are used for detecting whether the notebook computer is taken up by a person or not by detecting whether the temperature change or the stress change exists on the periphery of the upper surface and the lower surface;
the stress sensor comprises a fiber bragg grating stress sensor;
when the anti-theft system of the notebook computer is in an open state, when the stress sensor detects that a person takes up the anti-theft system, the anti-theft system judges whether the fingerprint identification module has matched fingerprint input within a preset first time period, if so, the alarm is released, and if not, an instruction is sent to the alarm module to alarm.
Compared with the prior art, the invention has the following advantages:
the invention provides a fingerprint identification anti-theft notebook computer, comprising: the anti-theft system, the fingerprint identification module, the anti-theft power supply, the vibration displacement sensor and the alarm module are arranged on the notebook computer mainboard; the anti-theft system is connected with the fingerprint identification module, the anti-theft power supply, the alarm module and the vibration displacement sensor, and the anti-theft power supply is connected with the anti-theft system, the fingerprint identification module, the alarm module and the vibration displacement sensor; after the anti-theft system is started by the notebook computer, if the vibration displacement sensor detects that the notebook computer has vibration or displacement, an alarm signal is sent to the anti-theft system, the anti-theft system judges whether the fingerprint identification module has matched fingerprint input within a preset first time period, if so, the alarm is released, and if not, an instruction is sent to the alarm module to perform alarm action. If the owner of the notebook computer starts an alarm signal due to misoperation, the alarm can be relieved in a fingerprint inputting mode.
By arranging the anti-theft system, the corresponding detection device and the alarm device, the alarm device can give an alarm at the first time when the notebook computer is considered to be stolen, thereby giving the psychological pressure to the thief and avoiding the notebook computer from being stolen. In addition, when the vibration displacement sensor detects that the notebook computer moves or vibrates, the situation that illegal theft possibly occurs is shown, at the moment, the vibration module sends out vibration at the first time to warn a thief, and the thief stops the theft activity due to the vibration probably in the link.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a fingerprint identification anti-theft notebook computer according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an anti-theft structure with mobile communication function according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a notebook computer with a stress sensor according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment of the invention provides a fingerprint identification anti-theft notebook computer, and please refer to fig. 1, the notebook computer comprises the following parts: the anti-theft system, the fingerprint identification module, the anti-theft power supply, the vibration displacement sensor and the alarm module are arranged on the notebook computer mainboard;
the anti-theft system is connected with the fingerprint identification module, the anti-theft power supply, the alarm module and the vibration displacement sensor, and the anti-theft power supply is connected with the anti-theft system, the fingerprint identification module, the alarm module and the vibration displacement sensor;
after the anti-theft system is started by the notebook computer, if the vibration displacement sensor detects that the notebook computer has vibration or displacement, an alarm signal is sent to the anti-theft system, the anti-theft system judges whether the fingerprint identification module has matched fingerprint input within a preset first time period, if so, the alarm is released, and if not, an instruction is sent to the alarm module to perform alarm action.
The working principle of the technical scheme is as follows: the scheme adopted by the embodiment is that the anti-theft system, the fingerprint identification module, the anti-theft power supply, the vibration displacement sensor and the alarm module are arranged on a notebook computer mainboard; the anti-theft system is connected with the fingerprint identification module, the anti-theft power supply, the alarm module and the vibration displacement sensor, and the anti-theft power supply is connected with the anti-theft system, the fingerprint identification module, the alarm module and the vibration displacement sensor; after the anti-theft system is started by the notebook computer, if the vibration displacement sensor detects that the notebook computer has vibration or displacement, an alarm signal is sent to the anti-theft system, the anti-theft system judges whether the fingerprint identification module has matched fingerprint input within a preset first time period, if so, the alarm is released, and if not, an instruction is sent to the alarm module to perform alarm action.
The beneficial effects of the above technical scheme are: the anti-theft system, the fingerprint identification module, the anti-theft power supply, the vibration displacement sensor and the alarm module are arranged on the notebook computer mainboard by adopting the scheme provided by the embodiment; the anti-theft system is connected with the fingerprint identification module, the anti-theft power supply, the alarm module and the vibration displacement sensor, and the anti-theft power supply is connected with the anti-theft system, the fingerprint identification module, the alarm module and the vibration displacement sensor; after the anti-theft system is started by the notebook computer, if the vibration displacement sensor detects that the notebook computer has vibration or displacement, an alarm signal is sent to the anti-theft system, the anti-theft system judges whether the fingerprint identification module has matched fingerprint input within a preset first time period, if so, the alarm is released, and if not, an instruction is sent to the alarm module to perform alarm action.
According to the scheme provided by the embodiment, the anti-theft system, the corresponding detection device and the corresponding alarm device are arranged, the alarm device alarms at the first time when the notebook computer is considered to be stolen, the pressure is provided for thieves, and the notebook computer is prevented from being stolen. In addition, when the vibration displacement sensor detects that the notebook computer moves or vibrates, the situation that illegal theft possibly occurs is shown, at the moment, the vibration module sends out vibration at the first time to warn a thief, and the thief stops the theft activity due to the vibration probably in the link.
It should be noted that, in the first time quantum that presets in this embodiment, can set up to 3 seconds later, if do not input correct fingerprint within 3 seconds promptly, then alarm module sends alarm information, can report following information through the mode of voice broadcast: please stop the act of theft, steal pubic, grab the thief, put down me, i am not your, etc., and warn the thief again not to perform the act of theft.
In addition, the embodiment has the advantage that the first time period is set, and if the owner of the notebook computer starts an alarm signal due to misoperation, the alarm can be relieved directly by recording the fingerprint.
In another embodiment, the anti-theft device further comprises a vibration module, wherein the vibration module is connected with the vibration displacement sensor and the anti-theft system;
when the vibration displacement sensor detects that the notebook computer vibrates or displaces, the vibration displacement sensor sends a vibration instruction to the vibration module, the vibration module receives the vibration instruction, and the vibration motor is started according to the vibration instruction to vibrate the notebook computer;
correspondingly, when the alarm is relieved, the anti-theft system sends a vibration relieving instruction to the vibration module, and the vibration module stops the work of the vibration motor according to the received vibration relieving instruction, so that the notebook computer stops vibrating.
The working principle of the technical scheme is as follows: the scheme adopted by the embodiment also comprises a vibration module, wherein the vibration module is connected with the vibration displacement sensor and the anti-theft system; when the vibration displacement sensor detects that the notebook computer vibrates or displaces, the vibration displacement sensor sends a vibration instruction to the vibration module, the vibration module receives the vibration instruction, and the vibration motor is started according to the vibration instruction to vibrate the notebook computer; correspondingly, when the alarm is relieved, the anti-theft system sends a vibration relieving instruction to the vibration module, and the vibration module stops the work of the vibration motor according to the received vibration relieving instruction, so that the notebook computer stops vibrating.
The beneficial effects of the above technical scheme are: the vibration module is connected with the vibration displacement sensor and the anti-theft system by adopting the scheme provided by the embodiment; when the vibration displacement sensor detects that the notebook computer vibrates or displaces, the vibration displacement sensor sends a vibration instruction to the vibration module, the vibration module receives the vibration instruction, and the vibration motor is started according to the vibration instruction to vibrate the notebook computer; correspondingly, when the alarm is relieved, the anti-theft system sends a vibration relieving instruction to the vibration module, and the vibration module stops the work of the vibration motor according to the received vibration relieving instruction, so that the notebook computer stops vibrating.
When the vibration displacement sensor detects that the notebook computer moves or vibrates, the situation that illegal theft possibly occurs is shown, at the moment, vibration is sent out through the vibration module at the first time to warn a thief, and the thief stops stealing activities probably in the link due to the vibration.
In another embodiment, the anti-theft system further comprises a display screen state detection module, a notebook computer power-on state detection module and a switching-on/off circuit detection module which are connected with the anti-theft system;
the display screen state detection module judges whether the state of the display screen changes or not according to whether the display screen is in a folded state or an unfolded state, and if so, sends an alarm signal to the anti-theft system;
the notebook computer power-on state detection module detects whether the power supply of the notebook computer is switched off, and if the power supply of the notebook computer is switched off, an alarm signal is sent to the anti-theft system;
the power on/off circuit detection module detects whether a power on or power off action exists, and if the power on or power off action is detected, an alarm signal is sent to the anti-theft system.
The working principle of the technical scheme is as follows: the scheme adopted by the embodiment also comprises a display screen state detection module, a notebook power supply connection state detection module and a startup and shutdown circuit detection module which are connected with the anti-theft system; the display screen state detection module judges whether the state of the display screen changes or not according to whether the display screen is in a folded state or an unfolded state, and if so, sends an alarm signal to the anti-theft system; the notebook computer power-on state detection module detects whether the power supply of the notebook computer is switched off, and if the power supply of the notebook computer is switched off, an alarm signal is sent to the anti-theft system; the power on/off circuit detection module detects whether a power on or power off action exists, and if the power on or power off action is detected, an alarm signal is sent to the anti-theft system.
The beneficial effects of the above technical scheme are: the scheme provided by the embodiment is adopted to connect the display screen state detection module, the notebook power supply connection state detection module and the on-off circuit detection module of the anti-theft system; the display screen state detection module judges whether the state of the display screen changes or not according to whether the display screen is in a folded state or an unfolded state, and if so, sends an alarm signal to the anti-theft system; the notebook computer power-on state detection module detects whether the power supply of the notebook computer is switched off, and if the power supply of the notebook computer is switched off, an alarm signal is sent to the anti-theft system; the power on/off circuit detection module detects whether a power on or power off action exists, and if the power on or power off action is detected, an alarm signal is sent to the anti-theft system.
The anti-theft system has the advantages that a plurality of detection modes are arranged, all-directional detection is guaranteed, the occurrence of theft is prevented, the notebook computer is prevented from being stolen by considering from multiple angles, and in case of abnormal behavior detected, the anti-theft system can send an alarm signal. In the above embodiments, the anti-theft system needs to be manually turned on, and all the modules involved in the embodiment are powered by the anti-theft power supply, so that the anti-theft measures of the present application can be started regardless of whether the notebook computer is powered on or not.
In another embodiment, when the vibration displacement sensor detects displacement or vibration and before the end of a preset first time period, if any one of the display screen state detection module, the notebook power on state detection module or the power on/off circuit detection module of the anti-theft system detects information meeting an alarm condition, the corresponding module sends a direct alarm instruction to the anti-theft system, the anti-theft system sends the direct alarm instruction to the alarm module, and the alarm module executes an alarm action according to the received direct alarm instruction.
The working principle of the technical scheme is as follows: the scheme that this embodiment adopted is that when vibrations displacement sensor detected there is displacement or vibrations, and before predetermineeing the end in the first time quantum, any module in anti-theft system's display screen state detection module, notebook power on state detection module or the on-off circuit detection module detected the information that has accorded with the alarm condition, then corresponding module to anti-theft system sends direct alarm instruction, anti-theft system will direct alarm instruction sends alarm module, alarm module carries out the alarm action according to the direct alarm instruction that receives.
The beneficial effects of the above technical scheme are: when the scheme provided by the embodiment is adopted, the vibration displacement sensor detects displacement or vibration and before the detection is finished within a preset first time period, any one of the display screen state detection module, the notebook power supply connection state detection module or the on-off circuit detection module of the anti-theft system detects information meeting an alarm condition, then the corresponding module sends a direct alarm instruction to the anti-theft system, the anti-theft system sends the direct alarm instruction to the alarm module, and the alarm module executes an alarm action according to the received direct alarm instruction.
Once detecting twice unusual action, then need not remind through the vibrations of vibrations module, can directly send the instruction to alarm module through anti-theft system and carry out the alarm action, promote alarm module and carry out the speed of alarm action, when judging that notebook computer has stolen risk, the very first time is reported to the police and is warned, exerts pressure to the thief, avoids stolen.
In another embodiment, the fingerprint identification module comprises: the fingerprint acquisition unit and the fingerprint matching unit;
the fingerprint acquisition unit acquires fingerprint information of a fingerprint input person, the fingerprint matching unit searches in a fingerprint library according to the input fingerprint information and checks whether a fingerprint matched with the input fingerprint information exists, if so, the fingerprint input is determined to be matched, and if not, the fingerprint input is determined not to be matched;
if the fingerprint acquisition unit does not acquire fingerprint information, the fingerprint matching unit directly outputs the result of fingerprint input without matching.
The working principle of the technical scheme is as follows: the scheme adopted by the embodiment is that the fingerprint identification module comprises: the fingerprint acquisition unit and the fingerprint matching unit; the fingerprint acquisition unit acquires fingerprint information of a fingerprint input person, the fingerprint matching unit searches in a fingerprint library according to the input fingerprint information and checks whether a fingerprint matched with the input fingerprint information exists, if so, the fingerprint input is determined to be matched, and if not, the fingerprint input is determined not to be matched; if the fingerprint acquisition unit does not acquire fingerprint information, the fingerprint matching unit directly outputs the result of fingerprint input without matching.
The beneficial effects of the above technical scheme are: the fingerprint identification module adopting the scheme provided by the embodiment comprises: the fingerprint acquisition unit and the fingerprint matching unit; the fingerprint acquisition unit acquires fingerprint information of a fingerprint input person, the fingerprint matching unit searches in a fingerprint library according to the input fingerprint information and checks whether a fingerprint matched with the input fingerprint information exists, if so, the fingerprint input is determined to be matched, and if not, the fingerprint input is determined not to be matched; if the fingerprint acquisition unit does not acquire fingerprint information, the fingerprint matching unit directly outputs the result of fingerprint input without matching.
When the fingerprint needs to be input, the fingerprint matching module automatically judges that the fingerprint is input without matching, in addition, after the fingerprint is input by an input person, the fingerprint matching unit is used for matching unsuccessfully, the fingerprint input without matching is also determined, and only after the fingerprint is input by the input person, the input fingerprint matching is determined after the fingerprint matching unit is used for matching successfully. The accuracy of fingerprint matching is improved.
It should be noted that the specific matching method adopted by the fingerprint matching unit is as follows: the input fingerprint image is subjected to binarization extraction to obtain a binarization characteristic value, error correction operation is carried out on the binarization characteristic value through error correction codes in auxiliary data, if the error correction operation fails, authentication fails, if the error correction operation succeeds, a to-be-authenticated hash value of the binarization characteristic value after error correction is calculated by using a secure hash algorithm, the to-be-authenticated hash value is compared with a hash value in the auxiliary data, and only when the to-be-authenticated hash value is consistent with the hash value in the auxiliary data, identity authentication succeeds, namely, a fingerprint matching unit outputs a result of matched fingerprint input.
The auxiliary data is that in the fingerprint registration process of a user, an error correction code of a registered fingerprint binary characteristic value is generated by using an error correction algorithm, a hash value of the registered fingerprint binary characteristic value is generated by using a secure hash algorithm, and the error correction code and the hash value form auxiliary data for the fingerprint matching process.
In addition, in the matching process of the fingerprint, the matching degree probability is improved by adopting a similarity mode aiming at the positions and the directions of the minutiae of the fingerprint features based on the direction field concept.
Setting a first minutiae point of an input fingerprint and a second minutiae point of a user fingerprint prestored in a fingerprint matching unit, and calculating the probability of similarity between the first minutiae point and the second minutiae point according to the following formula:
p (x, y) is a probability of similarity between the first minutiae and the second minutiae, x is the first minutiae, y is the second minutiae, the first minutiae x and the second minutiae y are used as centers respectively, circles are made with different radiuses to form a plurality of concentric circles, L is 1,2 … L, L is the number of circles, and the number of sampling points on each circle is KlK is variable, K is 1,2 … Kl，，xiIncluding the ith sample point on all circles for the first minutiae point x，yjFor the second minutiae point y including the jth sample point on all circles, zk,lIs the angular difference, S (x), between the sampling point of the first minutia and the sampling point of the second minutiaiY) is the sampling point x in the first minutiaiSimilarity with the second minutia y, S (x, y)j) For the first minutiae point x and the second minutiae point yjS (x, y) is the similarity between the first minutia and the second minutia, i is 1,2 … N, N is the total number of sampling points for the first minutia, j is 1,2 … M, and M is the total number of sampling points for the second minutia.
The similar probability between the two minutiae points is calculated and determined according to the formula, whether the two fingerprint information are matched or not is judged according to the similar probability, the calculation accuracy is high, whether the two fingerprint information are matched or not is finally judged through the calculation mode, and the authentication efficiency and the authentication accuracy can be improved when the fingerprint identity is authenticated.
In addition, in another embodiment, in order to prevent the anti-theft power supply from being taken out, the functions of the anti-theft system, the fingerprint identification module, the vibration displacement sensor and the alarm module are invalid, therefore, a locking mechanism is arranged outside the anti-theft power supply and is covered above the anti-theft power supply through a ring structure, and the locking mechanism is locked on a main board of the notebook computer through an electronic lock. The switch circuit of the electronic lock is connected with the output end of the fingerprint identification module, and the output end is provided with an output conversion circuit, so that the switch circuit of the electronic lock is connected with the output conversion circuit; the output conversion circuit converts the fingerprint matching result signal output by the fingerprint identification module into a high level 1 and converts the fingerprint mismatching result signal output by the fingerprint identification module into a low level 0, and the output conversion circuit controls the closing of the switch circuit of the electronic lock through the high level, the electronic lock is opened, the low level controls the opening of the switch circuit of the electronic lock, and the electronic lock is in a locking state. By adopting the mode, the safety of the anti-theft power supply can be guaranteed, and the condition that the notebook computer is stolen is further avoided.
In another embodiment, the mobile communication system further comprises a mobile communication module, wherein the mobile communication module comprises a mobile communication chip;
the mobile communication chip is embedded in an integrated circuit of a notebook computer mainboard, is connected with the anti-theft power supply and supplies power to the mobile communication chip through the anti-theft power supply;
the mobile communication chip is connected with a switch control button of the anti-theft system, and the mobile terminal with the mobile communication function is connected with the anti-theft system based on the mobile communication chip and controls the anti-theft system to be turned on or off through the mobile terminal.
The working principle of the technical scheme is as follows: the scheme adopted by the embodiment also comprises a mobile communication module, wherein the mobile communication module comprises a mobile communication chip; the mobile communication chip is embedded in an integrated circuit of a notebook computer mainboard, is connected with the anti-theft power supply and supplies power to the mobile communication chip through the anti-theft power supply; the mobile communication chip is connected with a switch control button of the anti-theft system, and the mobile terminal with the mobile communication function is connected with the anti-theft system based on the mobile communication chip and controls the anti-theft system to be turned on or off through the mobile terminal.
The beneficial effects of the above technical scheme are: the mobile communication module adopting the scheme provided by the embodiment comprises a mobile communication chip; the mobile communication chip is embedded in an integrated circuit of a notebook computer mainboard, is connected with the anti-theft power supply and supplies power to the mobile communication chip through the anti-theft power supply; the mobile communication chip is connected with a switch control button of the anti-theft system, and the mobile terminal with the mobile communication function is connected with the anti-theft system based on the mobile communication chip and controls the anti-theft system to be turned on or off through the mobile terminal.
The control relation between the mobile terminal and the anti-theft system can be realized through the mobile communication chip, and the anti-theft system can be remotely turned on or turned off.
The mobile terminal is a smart phone, an SIM card is installed on the smart phone, and 4G or 5G communication with the mobile communication chip is realized through the SIM card.
In addition, the anti-theft system can be downloaded on the smart phone, and the anti-theft system on the notebook computer can be turned on or turned off through the anti-theft system on the smart phone.
In another embodiment, as shown in fig. 2, the portable terminal further includes a GPS module, the GPS module is connected to the anti-theft power supply, and the GPS module is used for locating the position of the notebook computer and obtaining the position information;
pre-storing a plurality of emergency mobile phone numbers in the mobile communication module;
when the alarm module executes an alarm action, the anti-theft system acquires the current position information of the notebook computer from the GPS module; the anti-theft system is connected with the mobile communication module and sends the current position information to a plurality of pre-stored emergency mobile phone numbers in a short message notification mode.
The working principle of the technical scheme is as follows: the scheme adopted by the embodiment also comprises a GPS module, wherein the GPS module is connected with the anti-theft power supply and is used for positioning the position of the notebook computer and acquiring position information; pre-storing a plurality of emergency mobile phone numbers in the mobile communication module; when the alarm module executes an alarm action, the anti-theft system acquires the current position information of the notebook computer from the GPS module; the anti-theft system is connected with the mobile communication module and sends the current position information to a plurality of pre-stored emergency mobile phone numbers in a short message notification mode.
The beneficial effects of the above technical scheme are: according to the scheme provided by the embodiment, the GPS module is connected with the anti-theft power supply and used for positioning the position of the notebook computer and acquiring position information; pre-storing a plurality of emergency mobile phone numbers in the mobile communication module; when the alarm module executes an alarm action, the anti-theft system acquires the current position information of the notebook computer from the GPS module; the anti-theft system is connected with the mobile communication module and sends the current position information to a plurality of pre-stored emergency mobile phone numbers in a short message notification mode.
If the notebook computer is lost, the current position of the notebook computer can be sent to the emergency mobile phone number, so that the notebook computer can be conveniently found.
In another embodiment, the anti-theft timing module is further included and is connected with a switch control button of the anti-theft system; the anti-theft timing module is used for starting or closing the anti-theft system in a timing mode;
when the anti-theft system is started in a timing mode, a second time period is preset, the user is reminded of carrying out fingerprint verification in a voice mode when the second time period is over, the anti-theft system judges whether alarming is needed or not according to whether the fingerprint identification module has matched fingerprint input or not, if yes, the alarming is relieved, and if not, an instruction is sent to the alarming module to carry out alarming action.
The working principle of the technical scheme is as follows: the scheme adopted by the embodiment also comprises an anti-theft timing module, wherein the anti-theft timing module is connected with a switch control button of the anti-theft system; the anti-theft timing module is used for starting or closing the anti-theft system in a timing mode; when the anti-theft system is started in a timing mode, a second time period is preset, the user is reminded of carrying out fingerprint verification in a voice mode when the second time period is over, the anti-theft system judges whether alarming is needed or not according to whether the fingerprint identification module has matched fingerprint input or not, if yes, the alarming is relieved, and if not, an instruction is sent to the alarming module to carry out alarming action.
The beneficial effects of the above technical scheme are: the anti-theft timing module is connected with a switch control button of the anti-theft system by adopting the scheme provided by the embodiment; the anti-theft timing module is used for starting or closing the anti-theft system in a timing mode; when the anti-theft system is started in a timing mode, a second time period is preset, the user is reminded of carrying out fingerprint verification in a voice mode when the second time period is over, the anti-theft system judges whether alarming is needed or not according to whether the fingerprint identification module has matched fingerprint input or not, if yes, the alarming is relieved, and if not, an instruction is sent to the alarming module to carry out alarming action.
The function of timing on and off of the anti-theft system is realized, for example, thirty minutes is set as a second time period, after the timing time limit is reached, a user needs to be reminded to carry out fingerprint verification, if the verification is passed, the next timing is continued, and if the verification is not passed, the alarm module needs to alarm. The embodiment is used for preventing the notebook computer from being lost during the walking process of a user.
In another embodiment, the device further comprises a standby battery, wherein the standby battery is connected with the alarm module;
the standby battery is connected in series in the power on/off circuit of the notebook computer, when the standby battery is electrified, the power on/off circuit is in an on state, and the power on/off button can be normally used; when the standby battery is not electrified, the on-off circuit is in an open circuit state, and the on-off button cannot be normally used;
the standby battery is a solar storage battery; and when the alarm module does not relieve the alarm, the alarm module can continuously execute the alarm action.
The working principle of the technical scheme is as follows: the scheme adopted by the embodiment also comprises a standby battery, wherein the standby battery is connected with the alarm module; the standby battery is connected in series in the power on/off circuit of the notebook computer, when the standby battery is electrified, the power on/off circuit is in an on state, and the power on/off button can be normally used; when the standby battery is not electrified, the on-off circuit is in an open circuit state, and the on-off button cannot be normally used; the standby battery is a solar storage battery; and when the alarm module does not relieve the alarm, the alarm module can continuously execute the alarm action.
The beneficial effects of the above technical scheme are: the standby battery is connected with the alarm module by adopting the scheme provided by the embodiment; the standby battery is connected in series in the power on/off circuit of the notebook computer, when the standby battery is electrified, the power on/off circuit is in an on state, and the power on/off button can be normally used; when the standby battery is not electrified, the on-off circuit is in an open circuit state, and the on-off button cannot be normally used; the standby battery is a solar storage battery; and when the alarm module does not relieve the alarm, the alarm module can continuously execute the alarm action.
By adopting the scheme provided by the embodiment, the alarm module is ensured to be always in the power-on state, and can keep working normally. And the standby battery is connected in series in the switching circuit, so that a thief is prevented from randomly switching on and off the computer after stealing the computer, and the recovery difficulty is increased.
In another embodiment, as shown in fig. 3, a plurality of stress sensors 002 are disposed on the upper and lower surfaces of the notebook computer 001 and located at the peripheral positions, and by detecting whether there is a temperature change or a stress change around the upper and lower surfaces, when a person takes up the notebook computer 001, there is a temperature and stress deformation at the peripheral positions, and the stress sensors 002 are used to detect whether the notebook computer 001 is taken up by the person;
the stress sensor 002 comprises a fiber grating stress sensor;
when the anti-theft system of the notebook computer is in an open state, when the stress sensor 002 detects that a person takes up the anti-theft system, the anti-theft system judges whether the fingerprint identification module has matched fingerprint input within a preset first time period, if so, the alarm is released, and if not, an instruction is sent to the alarm module to perform alarm action.
The working principle of the technical scheme is as follows: the technical scheme adopted by the embodiment is that the notebook computer further comprises stress sensors, a plurality of stress sensors are arranged on the upper surface and the lower surface of the notebook computer and are positioned at the periphery, and whether the temperature change or the stress change exists on the periphery of the upper surface and the periphery of the lower surface is detected; the stress sensor comprises a fiber bragg grating stress sensor; when the anti-theft system of the notebook computer is in an open state, when the stress sensor detects that a person takes up the anti-theft system, the anti-theft system judges whether the fingerprint identification module has matched fingerprint input within a preset first time period, if so, the alarm is released, and if not, an instruction is sent to the alarm module to alarm.
The beneficial effects of the above technical scheme are: by adopting the scheme provided by the embodiment, the stress sensors are arranged on the upper surface and the lower surface of the notebook computer and are positioned at the peripheral positions, and by detecting whether the periphery of the upper surface and the periphery of the lower surface have temperature change or stress change, when a person takes up the notebook computer, the temperature and stress deformation occur at the peripheral positions, and the stress sensors are adopted to detect whether the notebook computer has the action of being taken up by the person; the stress sensor comprises a fiber bragg grating stress sensor; when the anti-theft system of the notebook computer is in an open state, when the stress sensor detects that a person takes up the anti-theft system, the anti-theft system judges whether the fingerprint identification module has matched fingerprint input within a preset first time period, if so, the alarm is released, and if not, an instruction is sent to the alarm module to alarm.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A fingerprint identification theftproof notebook computer which characterized in that includes: the anti-theft system, the fingerprint identification module, the anti-theft power supply, the vibration displacement sensor and the alarm module are arranged on the notebook computer mainboard;
the anti-theft system is connected with the fingerprint identification module, the anti-theft power supply, the alarm module and the vibration displacement sensor, and the anti-theft power supply is connected with the anti-theft system, the fingerprint identification module, the alarm module and the vibration displacement sensor;
after the anti-theft system is started by the notebook computer, if the vibration displacement sensor detects that the notebook computer has vibration or displacement, an alarm signal is sent to the anti-theft system, the anti-theft system judges whether the fingerprint identification module has matched fingerprint input within a preset first time period, if so, the alarm is released, and if not, an instruction is sent to the alarm module to perform alarm action.
2. The fingerprint identification anti-theft notebook computer according to claim 1, further comprising a vibration module, wherein the vibration module is connected with the vibration displacement sensor and the anti-theft system;
when the vibration displacement sensor detects that the notebook computer vibrates or displaces, the vibration displacement sensor sends a vibration instruction to the vibration module, the vibration module receives the vibration instruction, and the vibration motor is started according to the vibration instruction to vibrate the notebook computer;
correspondingly, when the alarm is relieved, the anti-theft system sends a vibration relieving instruction to the vibration module, and the vibration module stops the work of the vibration motor according to the received vibration relieving instruction, so that the notebook computer stops vibrating.
3. The fingerprint identification anti-theft notebook computer according to claim 1, further comprising a display screen state detection module, a notebook power-on state detection module and a power-on/off circuit detection module connected to the anti-theft system;
the display screen state detection module judges whether the state of the display screen changes or not according to whether the display screen is in a folded state or an unfolded state, and if so, sends an alarm signal to the anti-theft system;
the notebook computer power-on state detection module detects whether the power supply of the notebook computer is switched off, and if the power supply of the notebook computer is switched off, an alarm signal is sent to the anti-theft system;
the power on/off circuit detection module detects whether a power on or power off action exists, and if the power on or power off action is detected, an alarm signal is sent to the anti-theft system.
4. The notebook computer with fingerprint identification and theft prevention function according to claim 3, wherein when the vibration displacement sensor detects displacement or vibration and before the preset first time period is over, when any one of the display screen state detection module, the notebook power on state detection module or the power on/off circuit detection module of the theft prevention system detects information meeting an alarm condition, the corresponding module sends a direct alarm instruction to the theft prevention system, the theft prevention system sends the direct alarm instruction to the alarm module, and the alarm module executes an alarm action according to the received direct alarm instruction.
5. The fingerprint recognition anti-theft notebook computer according to claim 1, wherein the fingerprint recognition module comprises: the fingerprint acquisition unit and the fingerprint matching unit;
the fingerprint acquisition unit acquires fingerprint information of a fingerprint input person, the fingerprint matching unit searches in a fingerprint library according to the input fingerprint information and checks whether a fingerprint matched with the input fingerprint information exists, if so, the fingerprint input is determined to be matched, and if not, the fingerprint input is determined not to be matched;
if the fingerprint acquisition unit does not acquire fingerprint information, the fingerprint matching unit directly outputs the result of fingerprint input without matching.
6. The fingerprint identification anti-theft notebook computer of claim 1, further comprising a mobile communication module, wherein the mobile communication module comprises a mobile communication chip;
the mobile communication chip is embedded in an integrated circuit of a notebook computer mainboard, is connected with the anti-theft power supply and supplies power to the mobile communication chip through the anti-theft power supply;
the mobile communication chip is connected with a switch control button of the anti-theft system, and the mobile terminal with the mobile communication function is connected with the anti-theft system based on the mobile communication chip and controls the anti-theft system to be turned on or off through the mobile terminal.
7. The fingerprint identification anti-theft notebook computer according to claim 6, further comprising a GPS module, wherein the GPS module is connected with an anti-theft power supply, and the GPS module is used for positioning the position of the notebook computer and obtaining position information;
pre-storing a plurality of emergency mobile phone numbers in the mobile communication module;
when the alarm module executes an alarm action, the anti-theft system acquires the current position information of the notebook computer from the GPS module; the anti-theft system is connected with the mobile communication module and sends the current position information to a plurality of pre-stored emergency mobile phone numbers in a short message notification mode.
8. The fingerprint identification anti-theft notebook computer according to claim 1, further comprising an anti-theft timing module, wherein the anti-theft timing module is connected with a switch control button of the anti-theft system; the anti-theft timing module is used for starting or closing the anti-theft system in a timing mode;
when the anti-theft system is started in a timing mode, a second time period is preset, the user is reminded of carrying out fingerprint verification in a voice mode when the second time period is over, the anti-theft system judges whether alarming is needed or not according to whether the fingerprint identification module has matched fingerprint input or not, if yes, the alarming is relieved, and if not, an instruction is sent to the alarming module to carry out alarming action.
9. The fingerprint identification anti-theft notebook computer according to claim 1, further comprising a backup battery, wherein the backup battery is connected with the alarm module;
the standby battery is connected in series in the power on/off circuit of the notebook computer, when the standby battery is electrified, the power on/off circuit is in an on state, and the power on/off button can be normally used; when the standby battery is not electrified, the on-off circuit is in an open circuit state, and the on-off button cannot be normally used;
the standby battery is a solar storage battery; and when the alarm module does not relieve the alarm, the alarm module can continuously execute the alarm action.
10. The fingerprint identification anti-theft notebook computer according to claim 1, further comprising stress sensors, wherein a plurality of stress sensors are arranged on the upper surface and the lower surface of the notebook computer and located at the peripheral positions, and by detecting whether the periphery of the upper surface and the periphery of the lower surface have temperature changes or stress changes, when a person takes up the notebook computer, temperature and stress deformation occur at the peripheral positions, and the stress sensors are adopted to detect whether the notebook computer has actions taken up by the person;
the stress sensor comprises a fiber bragg grating stress sensor;
when the anti-theft system of the notebook computer is in an open state, when the stress sensor detects that a person takes up the anti-theft system, the anti-theft system judges whether the fingerprint identification module has matched fingerprint input within a preset first time period, if so, the alarm is released, and if not, an instruction is sent to the alarm module to alarm.
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