CN101937495A - Biological characteristic verification device, biological characteristic verification method and program - Google Patents
Biological characteristic verification device, biological characteristic verification method and program Download PDFInfo
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Abstract
A biological characteristic verification device of the present invention includes: a data storage part to store at least one of biological characteristic information and characteristic point thereof for judging whether biological characteristic verification is passed or not, and login date time; a biological characteristic information checkage part to check the characteristic point of the biological characteristic information of an object to be checked and the characteristic points of the biological characteristic information stored in the data storage part so as to judge whether the biological characteristic verification is passed or not; a date time judgment part to compare the data time to be checked with the login date time of the biological characteristic information stored in the data storage part, when the interval is more than a most non-update period, a requirement of updating the login of the biological characteristic information is displayed by a display device; a biological characteristic information logging and changing part to update and login at least one of the biological characteristic information and characteristic point thereof of an received object to be checked and the login date time; and a safety locking release signal output part to output a safety locking release signal to a safety device when the biological characteristic verification is passed and the interval is less than the most non-update period. Thereby, it is possible to reduce error judgment reject rate and prevent the login data except from the biological characteristic information from overload.
Description
Technical field
The present invention relates to a kind of biological characteristic validation device, biological characteristic validation method and program of the true and false of identifying object being verified by the biological information (biological information) of vein etc. thereof.
Background technology
Usually, the biological characteristic validation device obtains the biological information of identifying object in advance by reading device, and it is stored in the RAM memory storages such as (Random Access Memory) in IC-card, the demo plant.
When verifying, the biological information of the identifying object that will newly obtain by reading device is checked with the biological information that is stored in the memory storage in advance, carries out the authenticity verification of identifying object by both similarities of instrumentation.
In this biological characteristic validation method, exist and read the information result data, cause misjudging the problem that reject rate (false rejection rate) increases because of differences such as the time dependent variation of biological information, the health status of identifying object, the environment (for example temperature, humidity) when information reads produce dispersion.
As the solution of the problems referred to above, a kind of scheme is disclosed in patent documentation 1, it is when verifying, having surpassed stipulated number at current number of times must be lower with threshold setting when above, thereby reduces the misjudgement reject rate to identifying object.
In addition, disclose a kind of scheme in patent documentation 2, it must be lower with threshold setting in order to reduce because of to the insufficient misjudgement reject rate to identifying object that causes of the study of input environment, and environmental variance is upgraded.
[patent documentation 1] Japanese kokai publication hei 8-96135 communique (paragraph 0025,0031, Fig. 3, Fig. 4)
[patent documentation 2] TOHKEMY 2006-31103 communique (paragraph 0047,0048, Fig. 8 etc.)
But the reduction in the above-mentioned prior biological signature verification method changes because of the time dependent of biological information and the method for the different misjudgement reject rates that cause of the biological information input environment problem below existing.
When the current number of times of basis changes threshold value as patent documentation 1, reduce the precision of checking in the moment of having carried out the checking more than the stipulated number, thereby cause security to reduce.And, can reduce the misjudgement reject rate though reduce this method of threshold value, it does not consider that biological information time dependent can take place changes this situation, so there is the problem that can't keep safe class (security level).
In patent documentation 2, utilize environmental variance to decide threshold value, improve the checking precision, though this method can be guaranteed security with this, but carrying out needing the data of reference various when biological information is checked, may diminish the instantaneity that passing controller etc. should possess.In addition, also exist the logon data amount very huge, bring excessive problems such as load to memory storage.
Summary of the invention
The present invention is in view of above-mentioned present situation, its purpose is to provide a kind of biological characteristic validation device, biological characteristic validation method and program thereof, described biological characteristic validation device, biological characteristic validation method and program thereof can reduce the misjudgement reject rate on the basis of the security of guaranteeing certain grade, simultaneously, when checking, do not need a lot of comparable datas, and can not bring excessive load to memory storage because of the logon data beyond the biological information of following checking.
To achieve these goals, a first aspect of the present invention relates to a kind of biological characteristic validation device, described biological characteristic validation device carries out biological characteristic validation to identifying object, and under the situation that biological characteristic validation can pass through to safety equipment (security device) output safety latch-release signal, described biological characteristic validation device has: data store, described data storage stores are used for judging at least one side and the log date time (date and time) thereof of the unique point of biological information that described biological characteristic validation could pass through and biological information; Biological information is checked portion, described biological information is checked portion the unique point of the biological information that obtains from described identifying object and the unique point of logining the biological information described data store is in advance checked, and judges that according to both similarities biological characteristic validation could pass through; Time on date judging part, the more described biological information of described time on date judging part is checked portion to biological information time on date of checking of checking and the log date time that is stored in the biological information in the described data store, and the interval at both when reproducting periods is not above, makes display device carry out the demonstration that the described identifying object of requirement upgrades and logins biological information in predefined maximum; The renewal that biological information login and changing unit, described biological information login and changing unit are proposed according to described time on date judging part and the requirement of login are upgraded at least one side the unique point of the biological information of the described identifying object that receives from the biological information reading machine and biological information and log date time thereof in described data store and are logined; And safety locking ring off signal efferent, being judged as biological characteristic validation in the described biological information portion of checking can pass through, and not during reproducting periods, described safety locking ring off signal efferent is to described safety equipment output safety latch-release signal less than described maximum at the described interval that described time on date judgement section judges goes out.
A second aspect of the present invention relates to a kind of biological characteristic validation method, described biological characteristic validation method is used the biological characteristic validation device, described biological characteristic validation device has at least one side and the data store of log date time thereof of the unique point of biological information that storage is used for judging that described biological characteristic validation could pass through and biological information, and identifying object carried out biological characteristic validation, under the situation that biological characteristic validation can pass through to safety equipment output safety latch-release signal, in described biological characteristic validation method, check portion by biological information the unique point of the biological information that obtains from described identifying object and the unique point of logining the biological information described data store are in advance checked, and judge that according to both similarities biological characteristic validation could pass through; Come more described biological information to check portion by time on date judging part to biological information time on date of checking of checking and the log date time that is stored in the biological information in the described data store, and the interval at both when reproducting periods is not above, makes display device carry out the demonstration that the described identifying object of requirement upgrades and logins biological information in predefined maximum; The renewal that is proposed according to described time on date judging part by biological information login and changing unit and the requirement of login are upgraded at least one side the unique point of the biological information of the described identifying object that receives from the biological information reading machine and biological information and log date time thereof in described data store and are logined; And be judged as biological characteristic validation in the described biological information portion of checking and pass through, and the described interval that described time on date judgement section judges goes out is less than described maximum not during reproducting periods, by safety locking ring off signal efferent to described safety equipment output safety latch-release signal.
A third aspect of the present invention relates to a kind of program of biological characteristic validation device, and described program makes the biological characteristic validation method of computer realization a second aspect of the present invention.
According to the present invention, realize a kind of biological characteristic validation device, biological characteristic validation method and program thereof, described biological characteristic validation device, biological characteristic validation method and program thereof, can on the basis of the security of guaranteeing certain grade, reduce the misjudgement reject rate, simultaneously, when checking, do not need a lot of comparable datas, and can not bring excessive load to memory storage because of the logon data beyond the biological information of following checking.
Description of drawings
Fig. 1 is the system construction drawing of the security system of embodiment involved in the present invention.
Fig. 2 is the functional structure chart of the security system of embodiment.
Fig. 3 is that the safety locking that the biological characteristic validation device of embodiment is carried out is removed the process flow diagram that moves.
Among the figure: the 1-identifying object; 10-biological information reading machine; 11-biological information reading part; 12-information display section (display device); 20-biological information demo plant (biological characteristic validation device, computing machine); Login of 21-biological information and changing unit; The 22a-biological information is checked portion; 22b-time on date judging part; 23-safety locking ring off signal efferent; The 24-data store; 24a-biological information unique point table (biological information storage part); 24b-log date timetable (log date time storage part); 24c-setting value table (setting value storage part); The 30-safety equipment; 40-control terminal (end device); The M-maximum is reproducting periods not.
Embodiment
Followingly embodiments of the present invention are described with reference to accompanying drawing.
Fig. 1 is the system construction drawing of the security system S of embodiment involved in the present invention.
The one-piece construction of＜security system S 〉
The security system S of embodiment has the automatic more security system of new mechanism of biological information, and it constitutes has: safety equipment 30, and identifying object 1 requires to remove safety lockings by this safety equipment 30; Biological information reading machine 10, it reads the biological information of the finger vein etc. of identifying object 1 when identifying object 1 requires to remove safety locking; Biological information demo plant 20, it checks biological information that is read and the biological information of having logined, and judges and could verify according to consistent degree between the two; And control terminal 40, it is by network N W such as the Internet visit biological information demo plant 20.
Wherein, network N W is not limited in the Internet certainly, also can be LAN (Local Area Network), WAN networks such as (Wide Area Network) beyond the Internet.
＜safety equipment 30 〉
As safety equipment shown in Figure 1 30, the gateway that can list the electronic lock of automatically-controlled door d, the hinged door (flapper gate) that uses, parking lot in room entry/exit management etc. opens and closes in the rolling screen door, building of the parking lot door of usefulness, gateway, building the fire prevention between each zone with rolling screen door etc., not restriction of safety equipment 30, so long as be used to guarantee safe equipment, can be as safety equipment 30.
＜biological information reading machine 10 〉
Biological information reading machine 10 shown in Figure 1 is the devices that are connected and send the biological information signal that is read with biological information demo plant 20, and the vein reading machine of finger and face image detecting device etc. are for example arranged.Biological information reading device 10 is the devices that for example read the biological informations such as finger vein, face, retina, iris, fingerprint and vocal print of identifying object 1.
Fig. 2 is the functional structure chart of security system S.
Biological information reading machine 10 has the biological information reading part 11 that reads biological information and is the information display section (display device) 12 of identifying object 1 display message.
For example, at biological information reading device 10 is when referring to the vein reading machine, the image of the vein pattern that biological information reading part 11 obtains according to the finger that makes near infrared ray see through identifying object 1 goes out vein pattern clearly with the artificial intelligence gimmick from the image detection of this vein pattern.As shown in Figure 1, the finger vein reading machine as biological information reading device 10 is the finger vein reading machine that reads the finger vein pattern of identifying object 1 before the safety equipment 30 of automatically-controlled door d.At this moment, login in advance has the characteristic point information of vein pattern of safety locking that is used to remove safety equipment 30 of identifying object 1 among the biological information unique point table 24a described later of biological information demo plant 20.
＜biological information demo plant 20 〉
Biological information demo plant 20 shown in Figure 1 is the computing machines that carry out various controls such as input and output, visit and Control on Communication, and it has CPU (Central Processing Unit), memory storage (memory storage that main storage means and HDD (Hard Disk Drive) etc. are auxiliary etc.) as central processing unit.
Biological information demo plant 20 is constituted as to have: will be the output interface (not shown) that the output signal of biological information demo plant 20 is controlled safety equipment 30 for input interface (not shown) such as the amplifying circuit of the input signal that adapts with biological information demo plant 20, A/D translation circuit and according to the control signal from biological information demo plant 20 from the signal transformation of biological characteristic information reading device 10.
Mode with machine language in the auxilary unit of biological information demo plant 20 stores the security system program, and described security system program is used for realizing making biological information login and changing unit 21, the biological information of security system S work to check the 22a of portion, time on date judging part 22b and safety locking ring off signal efferent 23.
The CPU of biological information demo plant 20 carries out the action control that safety locking is removed by biological information demo plant 20 thus by downloading to the security system program in the main storage means and carrying out the security system program and come the login of specific implementation biological information and changing unit 21, biological information to check the 22a of portion, time on date judging part 22b and safety locking ring off signal efferent 23.
In auxilary unit, be provided with the data store 24 of the RDB (Relational Database) etc. of the various data that are used for the S of storage security system.
Data store 24 has: biological information unique point table 24a stores the information that comprises the unique point of the biological information of use when carrying out safety locking removes among this biological information unique point table 24a; Log date timetable 24b, its time on date from system begins to store the new login of the unique point of carrying out biological information or log date time during new login more; And setting value table 24c, among this setting value table 24c the biological information that reads to some extent of storage be stored in biological information unique point table 24a in biological information whether consistent relevant max-thresholds, minimum threshold and threshold value change amplitude etc.
Wherein, so-called threshold value be meant the biological information that is read be stored in biological information unique point table 24a in the checking of biological information in be used for the consistent ratio that the decision checking is the unique point of success (checking can by) still failure (checking cannot be passed through), max-thresholds and minimum threshold are to determine conduct to be proved to be successful the maximal value of consistent ratio of condition and the value of minimum value.And threshold value change amplitude is in the action when safety locking described later is removed, the minimizing amplitude of the consistent ratio that deducts repeatedly from max-thresholds when the collation process of biological information.For example, referring to vein when checking, referring to that by tracking the edge of vein pattern sets max-thresholds, minimum threshold and threshold value change amplitude etc.
In addition, in the biological characteristic validation that uses biological information reading machine 10 to carry out, constitute: will verify that label function is that the record information of biological characteristic validation is recorded in the auxilary unit of biological information demo plant 20 inside, by confirming this label, thereby can confirm whom the incomer is.
And, in auxilary unit, also storing the record information that the safety locking releasing does not have licensed-in people's labels such as biological information promptly to verify, this record information was stored together with the time on date of carrying out biological characteristic validation.
＜control terminal 40 〉
Portable data assistance), the end device of mobile phone etc. control terminal 40 shown in Figure 1 is can carry out the PC (Personal Computer) of input and output, PDA that can the display navigation device with biological information demo plant 20 (Personal Digital Assistants:, control terminal 40 is for example had by the managerial personnel of buildingss such as building or carries.
The Web browser that requires biological information demo plant 20 to transmit the data that data or demonstration obtain and E-mail software etc. are installed in the control terminal 40, and when security system S worked, above-mentioned software was performed.
In addition, each value of max-thresholds, minimum threshold and threshold value change amplitude also can be arranged to be waited by the data of obtaining Email by the threshold setting unit and change, and setting means can suitably be selected.
The safety locking of＜biological information demo plant 20 is removed action 〉
The following safety locking releasing of biological information demo plant 20 action with reference to Fig. 3 describes.Fig. 3 is the process flow diagram that the safety locking of biological information demo plant 20 is removed action.
At first, in the step 1 (S1) of Fig. 3, as shown in Figure 1, identifying object 1 allow biological information, for example referring to vein when checking, allow finger near biological information reading machine 10, at this moment, the biological information reading part 11 (with reference to Fig. 2) of biological information reading machine 10 reads the biological information of identifying object 1, extract the unique point of biological information, and check the 22a of portion as the biological information that signal sends to biological information demo plant 20.
Then, in the step 2 (S2) of Fig. 3, the biological information of biological information demo plant 20 is checked the 22a of portion (with reference to Fig. 2), max-thresholds with the setting value table 24c of data store 24 is a standard, utilization is stored in the unique point of the biological information among the biological information unique point table 24a of data store 24, to carrying out checking of biological information with the unique point of the unique point similar biometric information of the biological information that receives from biological information reading machine 10.
The result that biological information is checked, if there is unique point (step 2 of Fig. 3 (S2) is a "Yes") among the biological information unique point table 24a of data store 24 with the unique point similar biometric information of the biological information that receives from biological information reading machine 10, then be proved to be successful (checking is passed through), enter step 4 (S4).
On the other hand, the result that the biological information of the step 2 of Fig. 3 (S2) is checked, if when not having the unique point with the unique point similar biometric information of the biological information that receives from biological information reading machine 10 among the biological information unique point table 24a of data store 24 (step 2 of Fig. 3 (S2) is a "No"), authentication failed (checking is not passed through), the step 3 (S3) that enters Fig. 3.
In the step 3 (S3) of Fig. 3, deduct with the corresponding value of threshold value change amplitude of setting value table 24c and obtain threshold value (X=i=MAX-1) from the max-thresholds (MAX) of the setting value table 24c of data store 24, and with this threshold value be benchmark execution in step 2 (S2) biological information check operation.At this, be that 1 occasion is that example is described with threshold value change amplitude, but threshold value change amplitude can be set at arbitrary value.
The result that the biological information of the step 3 of Fig. 3 (S3) is checked, if authentication failed (checking is not passed through), execution in step 3 (S3) repeatedly then, be specifically, in MAX-1 arrives the scope of MIN, to deduct the mode execution in step 3 (S3) repeatedly of carrying out a step 3 (S3) after 1 from the i value at every turn, deduct at max-thresholds from the setting value table 24c of data store 24 threshold value (X=i=MAX-1) that obtains after the threshold value change amplitude of setting value 24c less than the minimum threshold of setting value table 24c (=MIN) time (during X=i=MAX-1＜MIN) (step 3 of Fig. 3 (S3) is a "No"), enter the step 6 (S6) of Fig. 3, show the information of expression authentication failed by the information display section 12 (with reference to Fig. 2) of biological information reading machine 10.
On the other hand, the result that the biological information of the step 3 of Fig. 3 (S3) is checked is if be proved to be successful (checking is passed through) (step 3 of Fig. 3 (S3) is a "Yes"), the step 4 (S4) that then enters Fig. 3.
In the step 4 (S4) of Fig. 3, time on the date judging part 22b of biological information demo plant 20 checks the time on date the current biological information that obtains from time system data of biological information demo plant 20, the log date time of the unique point of the log date timetable 24b of data store 24 and the biological information of same identifying object 1 (is the time on new login date during new login, be the final renewal log date time during new login more) compare, judge its at interval (=not reproducting periods) whether passed through predefined during (=maximum is reproducting periods M not) above time.
Be judged as start at from the log date time passed through predefined during time (not (step 4 of Fig. 3 (S4) is a "No") during reproducting periods 〉=M) more than (=maximum is reproducting periods M not), in the step 5 (S5) of Fig. 3, information by this content of information display section 12 (with reference to Fig. 2) display notification of biological information reading machine 10 " because not the reproducting periods maximum reproducting periods not that surpassed regulation, so need to upgrade biological information ".
When the biological characteristic position that identifying object 1 will read biological information according to this information allows biological information reading device 10 cover with, biological information reading part 11 (with reference to Fig. 2) reads the biological information of identifying object 1, and the data of this unique point are sent in biological information login and the changing unit 21.
Biological information demo plant 20 unique point of the biological information of the identifying object 1 that receives is upgraded and login in the biological information unique point table 24a of data store 24, and obtain time on date in when login from time system data, as the new log date time upgrade and login in log date timetable 24b.
On the other hand, in the step 4 (S4) of Fig. 3, be judged as elapsed time of starting at from the log date time during predefined (=maximum is reproducting periods M not) with interior (not (step 4 of Fig. 3 (S4) is a "Yes") during reproducting periods＜M), the step 6 (S6) that enters Fig. 3.
In the step 6 (S6) of Fig. 3, the safety locking ring off signal efferent 23 (with reference to Fig. 2) of biological information demo plant 20 is to safety equipment 30 output safety latch-release signals.The safety equipment 30 that receive the safety locking ring off signal are removed safety locking, and thus, the electronic lock of automatically-controlled door d for example shown in Figure 1 (safety equipment 30) is opened, and identifying object 1 can freely pass in and out.
In addition, biological information reading machine 10 shown in Figure 1 also can be taked as the part of the function of biological information demo plant 20 and the formation that is mounted.
And, can also constitute: the biological information unique point table 24a and the log date time data 24b of data store shown in Figure 2 24 are stored in the IC-card, read above-mentioned information by the IC-card reading machine and login and upgrade processing.
＜sum up
The security system S of present embodiment is the system of the safety locking ring off signal of output safety equipment 30, it has: biological information reading part 11, this biological information reading part 11 obtain the biological information of identifying object 1 and extract the unique point of this biological information; Biological information is checked the 22a of portion, this biological information is checked the 22a of portion and is used max-thresholds that biological information that is read and the biological information of logining are in advance checked, verify again after during each failure max-thresholds being reduced certain value, up to becoming minimum threshold (MIN), if verify when still failing that with minimum threshold (MIN) (checking by) sends rub-out signal; Time on date judging part 22b, this time on date judging part 22b is (checking is passed through) when checking successfully, measure biological information log date time of the past and start at institute's elapsed time, when elapsed time has surpassed predefined value (=maximum is reproducting periods M not), the information that 1 pair of biological information of display requirement identifying object upgrades and logins in information display section 12; Biological information login and changing unit that 21, this biological information is logined and changing unit 21 is carried out the login and the renewal of biological characteristic validation; Data store 24, these data store 24 storage biological information and setting values; And safety locking ring off signal efferent 23, this safety locking ring off signal efferent 23 is (checking is passed through) when being proved to be successful, to safety equipment 30 output safety latch-release signals.
＜effect and effect 〉
According to said structure, use control terminal 40 to change threshold values such as max-thresholds, minimum threshold and threshold value change amplitude, can reduce thus and should verify that the situation of authentication failed appears in successful identifying object 1, just can reduce " misjudgement reject rate ".
And, owing to can distinguish maximal value (max-thresholds), minimum value (minimum threshold) and the threshold value change amplitude of setting threshold, so can set the safe class that is consistent with behaviour in service.
In addition, from the log date time start at surpassed predefined during when (=maximum is reproducting periods not), requirement identifying object 1 upgrades and logins, and can make the login biological information remain at up-to-date state thus, thereby can access the checked result of high reliability.
In addition, in said embodiment, the structure that is connected with biological information demo plant 20 by network N W with control terminal 40 is that example is described, but also can be arranged to and the desk-top end device of biological information demo plant 20 direct-connected controls, the connected mode between control terminal 40 and the biological information demo plant 20 without limits.
Again, in the above description, biological information login and changing unit 21, biological information are checked the 22a of portion, time on date judging part 22b and safety locking ring off signal efferent 23 respectively with independently form setting, as long as but can realize above-mentioned functions, its embodiment is without limits.
In the above description, biological information unique point table 24a, the log date timetable 24b of data store shown in Figure 2 24 and setting value table 24c are illustrated in the mode of form, constitute but can certainly wait by RDB, perhaps constitute by a DB file or PS file, as long as store required information, embodiment is restriction not.
Information display section 12 shown in Figure 2 also can be arranged on the outside of biological information reading machine 10.
Maximum not reproducting periods M also can be stored in the log date time storage part of data store 24.And, the same with max-thresholds etc., also can be arranged to change by control terminal 40.
The log date time can be the information that includes only the date, also can be the information that comprises date and time.Perhaps also can be arranged to the log date time is stored as the information that comprises date and time, with maximum not reproducting periods as being the information of unit with fate or year number etc.In this manual, even only dated information is also referred to as " time on date ".
As being stored in that biological information in 24 of data store, be not limited in the unique point of biological information, only need at least one side in the unique point of storage biological information and biological information to get final product.When not storing unique point, can check the 22a of portion extract minutiae from biological information by biological information.In addition, also biological information reading part 11 can be arranged to directly send the biological information that does not have extract minutiae.Store the biological information (the perhaps unique point of the unique point of biological information or biological information and biological information) of judging that biological characteristic validation could pass through of being used to of all identifying objects in the biological information storage part of biological information unique point table 24a etc.
In addition, in the step 5 (S5) of Fig. 3, can be arranged in by biological information login and 21 pairs of biological informations of changing unit (the perhaps unique point of biological information) and log date time and upgrade and when logining, directly, replace once more with this and read this way of biological information from identifying object 1 to up-to-date checking the biological information (the perhaps unique point of biological information) that uses when carrying out judgement that biological characteristic validation could pass through among the 22a of portion at biological information and logining of reading in order to carry out biological characteristic validation.At this moment, also can be arranged in and show " need carry out the renewal of biological information " this notice in the information display section 12, and the biological information that display requirement identifying object 1 is confirmed whether can use just now and read carries out the more information of new login, so that allow identifying object 1 make one's options.
Claims (9)
1. biological characteristic validation device, it carries out biological characteristic validation to identifying object, and under the situation that biological characteristic validation can pass through to safety equipment output safety latch-release signal, described biological characteristic validation device is characterised in that to have:
Data store, described data storage stores are used for judging at least one side and the log date time thereof of the unique point of biological information that described biological characteristic validation could pass through and biological information;
Biological information is checked portion, described biological information is checked portion the unique point of the biological information that obtains from described identifying object and the unique point of logining the biological information described data store is in advance checked, and judges that according to both similarities biological characteristic validation could pass through;
Time on date judging part, the more described biological information of described time on date judging part is checked portion to biological information time on date of checking of checking and the log date time that is stored in the biological information in the described data store, and the interval at both when reproducting periods is not above, makes display device carry out the demonstration that the described identifying object of requirement upgrades and logins biological information in predefined maximum;
Biological information login and changing unit, the requirement of the more new login that login of described biological information and changing unit are proposed according to described time on date judging part is upgraded at least one side the unique point of the biological information of the described identifying object that receives from the biological information reading machine and biological information and log date time thereof in described data store and is logined; And
Safety locking ring off signal efferent, being judged as biological characteristic validation in the described biological information portion of checking can pass through, and not during reproducting periods, described safety locking ring off signal efferent is to described safety equipment output safety latch-release signal less than described maximum at the described interval that is gone out by described time on date judgement section judges.
2. biological characteristic validation device as claimed in claim 1 is characterized in that,
Also has the threshold setting unit, max-thresholds, minimum threshold and threshold value change amplitude are set from end device in advance in described threshold setting unit, wherein the biological information of the described identifying object that obtains checking of these max-thresholds, minimum threshold and threshold value change amplitude and be stored in the described data store biological information with judge biological characteristic validation could by the time use
The described max-thresholds of described data storage stores, described minimum threshold and described threshold value change amplitude,
Described biological information is checked radicals by which characters are arranged in traditional Chinese dictionaries and is implemented checking with described max-thresholds earlier, and verify that each obstructed out-of-date described max-thresholds is reduced with described threshold value change amplitude is worth back enforcement checking next time accordingly, under the situation about when verifying, still not passing through, make display device carry out notifying the demonstration of authentication failed to described identifying object with described minimum threshold.
3. biological characteristic validation device as claimed in claim 1 is characterized in that,
Described time on date judging part is judged as under the situation that biological characteristic validation can pass through in the described biological information portion of checking, and time on date of checking of described biological information and described log date time of being stored in the biological information of the described identifying object in the described data store are compared.
4. as any described biological characteristic validation device in the claim 1 to 3, it is characterized in that,
Described data store has:
The biological information storage part, it stores at least one side of unique point who is used for judging biological information that described biological characteristic validation could pass through and biological information of all identifying objects,
Log date time storage part, being used for of described all identifying objects of its storage judged log date time of at least one side of the described unique point of described biological information that described biological characteristic validation could pass through and described biological information; And
The setting value storage part, it stores not reproducting periods of described maximum.
5. biological characteristic verification method; It uses biological characteristic verification device; Described biological characteristic verification device has at least one party and the data store of log date time thereof of the characteristic point of biological information that storage is used for judging that described biological characteristic validation could pass through and biological information; And identifying object carried out biological characteristic validation; In the situation that biological characteristic validation can pass through to safety means output safety latch-release signal; Described biological characteristic verification method is characterised in that
Check portion by biological information the unique point of the biological information that obtains from described identifying object and the unique point of logining the biological information described data store are in advance checked, and judge that according to both similarities biological characteristic validation could pass through;
Come more described biological information to check portion by time on date judging part to biological information time on date of checking of checking and the log date time that is stored in the biological information in the described data store, and the interval at both when reproducting periods is not above, makes display device carry out the demonstration that the described identifying object of requirement upgrades and logins biological information in predefined maximum;
The renewal that is proposed according to described time on date judging part by biological information login and changing unit and the requirement of login are upgraded at least one side the unique point of the biological information of the described identifying object that receives from the biological information reading machine and biological information and log date time thereof in described data store and are logined; And
Being judged as biological characteristic validation in the described biological information portion of checking can pass through, and the described interval that is gone out by described time on date judgement section judges is less than described maximum not during reproducting periods, by safety locking ring off signal efferent to described safety equipment output safety latch-release signal.
6. biological characteristic validation method as claimed in claim 5 is characterized in that,
Described biological characteristic validation device also has the threshold setting unit, max-thresholds, minimum threshold and threshold value change amplitude are set from end device in advance in described threshold setting unit, wherein the biological information of the described identifying object that obtains checking of these max-thresholds, minimum threshold and threshold value change amplitude and be stored in the described data store biological information with judge biological characteristic validation could by the time use
The described max-thresholds of described data storage stores, described minimum threshold and described threshold value change amplitude,
Described biological information is checked radicals by which characters are arranged in traditional Chinese dictionaries and is implemented checking with described max-thresholds earlier, and verify that each obstructed out-of-date described max-thresholds is reduced with described threshold value change amplitude is worth back enforcement checking next time accordingly, under the situation about when verifying, still not passing through, make the demonstration of display device to described identifying object notice authentication failed with described minimum threshold.
7. biological characteristic validation method as claimed in claim 5 is characterized in that,
Described time on date judging part is judged as under the situation that biological characteristic validation can pass through in the described biological information portion of checking, and time on date of checking of described biological information and described log date time of being stored in the biological information of the described identifying object in the described data store are compared.
8. as any described biological characteristic validation method in the claim 5 to 7, it is characterized in that,
Described data store has:
The biological information storage part, it stores at least one side of unique point who is used for judging biological information that described biological characteristic validation could pass through and biological information of all identifying objects;
Log date time storage part, being used for of described all identifying objects of its storage judged log date time of at least one side of the described unique point of described biological information that described biological characteristic validation could pass through and described biological information; And
The setting value storage part, it stores not reproducting periods of described maximum.
9. a program is characterized in that, makes any described biological characteristic validation method in computer realization such as the claim 5 to 7.
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