Key of biological detection
The present invention relates to a kind of key of biological detection, be particularly related to a kind of key of biological detection, this key has a key main body, and it comprises that one can absorb key grasping person's fossil data and transmit this data to one processor so that confirm the effective biology sensor of licensing of this key of proof through biologicall test through biology sensor.
Key is used to many different purposes at present, comprises the mechanical key or the dynamo-electric key that carry coded message.The latter's a example is the disclosed key of European patent 472495, this key has a special organization on the relative edge who is positioned at key, before the locking device of this mechanism in inserting the lock tube is opened, match with a corresponding mechanism in being contained in the lock tube that matches.
Though this key uses simple, can expect that its security is not high, because be not used for confirming using the device of an artificial authorized user of key at present.Though this expression can allow that with traditional mechanical lock of key control or electromechanical lock personnel enter the house, this key can easily be duplicated or be lost or give to enter other people of this house on undelegated basis.Like this, the people of control key just can enter the house.
The traditional biological that is well known is measured control system, is meant the particular organisms feature coding with the individual, by external treatment (as, storage, matching algorithm and return signal) and be stored in the storer of biologicall test control device.A kind of mandate biological characteristic of coding form can be stored.When confirmation request, just need the user to show his biometric features, the biometric features of this systematic comparison biometric features and mandate then to the biologicall test control system.If coupling, biologicall test control system permit a facility by the control of biologicall test control system is conducted interviews.
Prevent that the bio-safety control system that the vehicle unauthorized uses is disclosed in United States Patent (USP) 5867802.This patent has been described a kind of method and system that vehicle uses that are used for, and this method and system limits the people that stored biometric data is complementary in the storer that has only fingerprint and this vehicle control system could use vehicle.User's digitizing fingerprint be stored in the ROM among the BIOS of a microcontroller or ROM by the microcontroller visit in.The main task of microprocessor is an execution command, and it is such as the fuel flow rate adjustment, and the vehicle operating that reaches other tasks and so on is relevant.Before microprocessor can be carried out the instruction relevant with main task, must finish and withdraw from the condition circulation of an instruction relevant with the biologicall test data of confirming user's " actual input ".The fingerprint of actual scanning must be compared with the fingerprint that stores in the ROM.If result relatively then satisfies operation cycle, just microprocessor can be carried out the instruction relevant with vehicle operating for coupling.In United States Patent (USP) 5607802, the interlock circuit that has utilized traditional finger scan device and be coupled with microprocessor.The key of an operation ignition switch links to each other with microprocessor so that a signal to microprocessor power supply was provided before can controlling vehicle operating.
Another example of bio-safety control system is disclosed in the United States Patent (USP) 5915936, this patent relates to a kind of firearms, and it combines one and is used for responding to hold with a firm grip bump pressure transducer and scanning sensor that is used for scanning user's palmmprint and produces the signal of the palmmprint that a representative scanned in pressure transducer starting back partly of firearms of user's palm.Firearms can only be used by authorized user, and one of them memory unit stores is represented the data-signal of authorized user.
United States Patent (USP) 5987155 relates to a kind of biological information input media with an integrated intelligent card reader.This device provides the cooperative operation of smart card and input media to handle especially with the user that the biological information that the user is provided is provided.The example of the biological information input media of this patent indication comprises device such as contact device for image such as fingerprint scanners for those have the device of microphone or those.
The operation of the biologicall test control system that above-mentioned prior art is illustrated can only be used for as United States Patent (USP) 5867802 described firing keys, the smart card of the pressure transducer of United States Patent (USP) 5915936 or United States Patent (USP) 5987155.Therefore this traditional biologicall test control system is in that to be defined in aspect the special applications right and wrong general, and needs to use the additional structure relevant with this special applications.For example, the fossil data input media in the United States Patent (USP) 5987155 just needs a smart card to receive draw-in groove as basic parts.
An object of the present invention is to provide a kind of key of biological detection that can reduce above-mentioned prior art defective.
The invention provides a kind of key of biological detection, this key has a key main body, it comprises a biology sensor, be used to transmit the signal of an expression by the biological sign indicating number of the data of biology sensor generation, in use, described key main body and the interlock of a receptacle main body enter the facility that uses key of biological detection to enter to transmit this signal with key main body reciprocation to treating apparatus thereby permit authorized user.
The reciprocation that is used to pass the signal to treating apparatus between key main body and the receptacle main body comprises utilizes electric contact, and wherein the key main body has one or more contacts as described later, and the receptacle main body has the contact point that matches.But this reciprocation also comprises the reciprocation between the receiver of the transmitter of key and receptacle main body, and this reciprocation can be optics, and is ultrared, radio frequency or optic fibre characteristic.
The key main body can be similar to traditional key of opening mechanical lock, and wherein key has an inserted sheet (blade) that many recesses (ward) arranged on it, and described recess matches with projection (tumbler) in the lock with as described later the usual manner of opening mechanical lock.This key main body also has a handle or grip portions, and fixed thereon of biology sensor or embedding are wherein.Preferably this sensor is placed in the identical groove of key main body, and has the contact point or the pin of an example that has constituted contact device, this contact device can with a circuit board interlock that also places in the key main body.Preferably there is the plug-in unit of an insulation that sensor is surrounded.
Replacedly, the key main body can be omitted recess and have an inserted sheet or afterbody, an identical groove interlock in itself and the above-mentioned receptacle main body.In the present embodiment, the receptacle main body can with the treating apparatus interface, thereby when treating apparatus identifies an authorization signal, promptly addressable this equipment.
Sensor can be a solid state sensor of being made by Pollex or Siemens, and this sensor can scan key possessor's suitable biological nature.Replacedly, this sensor can be by Thompson, and Veridicon or Harris make, and they are well-known solid state sensor manufacturers.Need utilize some technology to realize scanning sensor, it comprises electric capacity, resistance, hot video, structural geometry, skeletal structure or venous structures.Scanning sensor relatively is fit to scanning fingerprint or thumbprint.
Also can embed a intelligent card chip in the key main body, for example as the distribution logic chip of " intelligence storage " chip with internal logic.The flush bonding processor chip that is installed in the key main body can have the ability of storage and native processor.The flush bonding processor chip that is embedded in the key main body can be used for data are carried out coding/decoding, discerns key thereby make such key of biological detection become the unique individual.
Key of biological detection of the present invention use the firing key of example as vehicle, key such as storage facilities such as drawer or case lids, key such as safety installations such as antitheft door Huo Fang Pirates windows, the key of operation elevator or lifter perhaps starts the drive unit of electro-motor, oil motor, engine or other form even the key of equipment such as hydraulic pressure or air pressure stamping machine.The all available key of biological detection of the present invention of facility in the above-mentioned various example enters.
Thereby, from the foregoing description, being appreciated that key of biological detection of the present invention possesses versatility, it has a lot of purposes, and structurally also very simple, has overcome the shortcoming of above-mentioned traditional biological mensuration key to small part.Key of biological detection of the present invention also has the confidentiality of height to overcome the shortcoming of above-mentioned traditional key.
The present invention in its scope, also comprise one with the key of biological detection receptacle main body of interlock mutually, described key of biological detection has a key main body, comprise a biology sensor on this key main body, this sensor is used to transmit the signal of expression by the biological sign indicating number of the data of biology sensor generation, wherein said receptacle main body and key main body interact to transmit this signal to treating apparatus, so that authorized user enters with the enterable facility of this key of biological detection.
Be appreciated that from following embodiment the receptacle main body can comprise that one is formed on fixed part on drawer or the door such as latch fitting such as the lock tube shown in Fig. 1-10A or one shown in Figure 11-19.
The present invention also provides the security system that is used on the facility, is used to prevent that unauthorized from entering the facility that has comprised above-mentioned key of biological detection and receptacle main body.
The invention still further relates to a kind of method that is used to permit entering a facility, the method comprising the steps of:
(i) key with biology sensor is inserted in the receptacle main body, thus with the interlock of receptacle main body in, the signal of the biological sign indicating number of the data that an expression is produced by biology sensor is sent to treating apparatus;
(ii) a biological sign indicating number and a database relevant with treating apparatus are mated to allow to confirm biological sign indicating number; And
(iii) after having passed through described affirmation, allow an authorized user to enter a facility that comprises the receptacle main body.
With reference to following accompanying drawing, describe embodiments of the invention in detail below, wherein:
Fig. 1 is the sketch of a foundation key of biological detection of the present invention being held in the hand;
Fig. 2 is the skeleton view of key of biological detection of the present invention, and this key is inserted in the corresponding lock tube;
Fig. 3 A shows the decomposition diagram of the each several part of key shown in Figure 1;
Fig. 3 B is the reverse side skeleton view of circuit board shown in Figure 1;
Fig. 3 C is the reverse side skeleton view of the key shown in Fig. 3 A;
Fig. 4 has comprised a decomposition diagram of locking tube and the lock body parts that shut pipe mutually;
Fig. 4 A is the decomposition diagram of lock body parts shown in Figure 4;
Fig. 5 is the planimetric map that key of biological detection of the present invention shown in Figure 1 inserts the lock tube;
Fig. 6 is the sectional view along the A-A line among Fig. 5;
Fig. 6 A is the exploded view of parts shown in Figure 6;
Fig. 7 is the sectional view along the B-B line among Fig. 5;
Fig. 8 is the detailed view of contact point shown in Figure 7;
Fig. 8 A is the exploded view of parts shown in Figure 8;
Fig. 9 is the sectional view along the C-C line among Fig. 4;
Figure 10 is the detailed view of contact point shown in Figure 9;
Figure 10 A is the exploded view of parts shown in Figure 10;
Figure 11 inserts fixedly traveling from port to port as a trader of receptacle main body according to the key of biological detection of another embodiment of the present invention;
Figure 12 is the sectional view along the A-A line among Figure 11;
Figure 13 is the sectional view along the D-D line among Figure 11;
Figure 14 is the detailed view of contact point shown in Figure 13;
Figure 15 is the decomposition diagram after key shown in Figure 11 has broken away from the receptacle main body;
Figure 16 is the skeleton view of receptacle main body pipe (barrel) shown in Figure 15 on the other direction;
Figure 17 is the detailed view of contact point shown in Figure 15;
Figure 18 is the calcspar of key of biological detection operating process of the present invention; And
Figure 19 is one and shows the process flow diagram that the biological data signature is registered through external host.
In Fig. 1, show according to of the present invention, hold with hand 11 one have enter the mouth 12 key of biological detection 10 of control.Key 10 has a key main body 13 and a sensor 14 that contacts with thumb 15.Key 10 also comprises the inserted sheet 16 that has recess 17 on it.
In Fig. 2, show the key 10 that inserts in the lock pipe 31, lock pipe 31 is installed in the anastomosed aperture 19 of the lock body 20 that comprises dead bolt 21.Lock pipe 31 comprises that contact opening 22 also comprises the top assembly 23 that is inserted in the groove 24 that matches simultaneously.Lock pipe 31 also comprises distribution 25.Lock body 20 is for having the physical construction of a conventional distribution bus-bar (not shown).
Lock body 20 comprises a slide plate 21A, has the slotted eye 21B with lock bolt 48 interlocks shown in Fig. 4 A on it.
In Fig. 3 A and 3C, key 10 has with sensor 14, insulcrete 27 and be contained in the assembly that circuit board 28 forms in the groove 29 of insulcrete 27 exist.Insulcrete 27 is bonded in above the key main body 13 slidably.As shown in the figure, resemble by sensor 14, the key main body 13 that insulcrete 27 and circuit board 28 constitute is the same, and circuit board 28 shows for the two sides.Sensor 14 is contained in the hole 30 of insulcrete 27, and more specifically, sensor 14 is fixed by the support lugn 30A in hole 30.Circuit board 28 has the lead-in wire or the 28A that integrates with on the corresponding contact 26 that bonds or be welded on sensor 14.Circuit board 28 also has the sloping edge 28B with the respective edges 28C interlock of groove 29 on the position near lead-in wire 28A tail end.
Shown in Fig. 3 A and 3C, key main body 13 also comprises clamping plate or flange 13A and 13B, between them at interval with the clip slot 13C of insulcrete 27 shape complementarities so that housing insulation plate 27, as shown in Figure 3A.
In Fig. 4, key 10 is installed in the lock tube 18 with contact opening 32.Lock tube 18 comprises flange 33 and has the end plate 34 of a groove (slot) 35.Lock tube 18 also has snap close 36.
When lock tube 18 was inserted into lock pipe 31, contact opening 32 contacted with the contact opening 22 that matches.Contact opening 22 passes through a ppu described later through lock body 20 transmission of electric signals.Replacedly, and best, a processing unit switching telecommunication in contact opening 22 and the lock body 20 number, lock body 20 have an electrical interface with ppu, main frame for example, as described later.Can be any kind with the electrical interface of ppu, for example USB is parallel, serial or IEEE 1384 live wire signals.This does not get rid of and has comprised Bluetooth, Home RF, and IEEE 802.15 wireless personal-area networks (WPAN) of high-frequency RF and wideband RF conform to.Treating apparatus also is provided for controlling the electric signal that returns of a linear motor or solenoid 38, and described linear motor or solenoid 38 discharge the register pin 39 in the boring 40 that is fixed on lock tube 18.Motor 38 has a resilient plunger 41, aperture 42 interlocks on it and the register pin 39.Motor 38 also is inserted in the socket 43 that matches of lock pipe 31.Register pin 39 has the projection 44 with groove 35 interlocks of locking tube 18.Motor 38 also has the contact point 47 that is connected with electric wire 25.Have lock bolt 48 on the lock pipe 31 in addition, locked position as shown in the figure, lock bolt 48 are positioned on the rotatable gear 48A with a protective sleeve 49 shown in Fig. 4 A.Lock bolt 48 on lockset position of coupler with groove 50 interlocks that are used to maintain lock pipe 31.When lock body 20 begins to unblank, in the plunger 41 withdrawal motors 38, thereby register pin 39 can rotate.Shown in Fig. 4 A, also have a little pin 48B and a gear 48A who interconnects with register pin 39, the aperture 48C interlock of wherein selling 48B and register pin 39, and with the selected backlash 48D interlock of gear 48A.Lock bolt 48 moves down from position shown in Figure 4, by opening dead bolt or door bolt plate 21 with slotted eye 21B interlock shown in Figure 2.The top assembly 23 of lock pipe 31 has the screw fixed orifice 51A that is used for fixing on the lock body 20.As mentioned above, also can expect, lock body 20 can comprise a suitable processing unit (not shown), and this processing unit comprises appropriate software and a database, and this software and database are used to mate and confirm the biological data under the biological sign indicating number form that the electric signal of origin autobiography sensor 14 provides.Processing unit can also with a host interface, register biological sign indicating number in the manner as described below by this main frame.Electric wire 25 can link to each other with processing unit or main frame.Lock body 20 enters with the control of two kinds of distinct methods, that is, request from effective feedback signal of processing unit opening register pin 39 and mechanical lock buckle 36, thereby further increase security.
Fig. 5 shows that key 10 inserts in the key or groove 31A of lock tube 18, and Fig. 6 is the sectional drawing along tangent line A-A among Fig. 5.In Fig. 6, show each and the insulating sleeve 50A and 51 that contacts stitch 52 and 53 contacts.Fig. 6 A shows insulating sleeve 50A and 51 pressure interlock key main bodys 13 and contact stitch 52 and 53 pressure interlock insulating sleeve 50A and 51 in detail.Contact stitch 52 and 53 respectively has tip 52A, to be inserted in the solder joint on the circuit board 28.Insulating sleeve 50A and 51 generally arranges along the y direction of key main body 13.
Fig. 7 is the sectional drawing along the tangent line B-B among Fig. 5.Wherein show with insulating sleeve 54 is slidingly matched and contact stitch 55 and spring button 57.The purpose of spring button 57 is under the influence of himself spring pressure, and the electric continuity between the contact stitch 55 and 56 is provided.Insulating sleeve 57 is generally arranged along the y direction of key main body 13.Fig. 8 shows in detail the detailed structure of this mode.Exploded view is shown in Fig. 8 A.
Fig. 9 is the detailed sectional drawing of contact stitch shown in Figure 10 along Fig. 4 tangent line C-C, wherein show the insulating sleeve 63 that is bonded in the lock pipe 31, with insulating sleeve 63 pressure fitted contact stitch 62, spring button 64 and the additional stitch 65 that contacts that is slidingly matched with insulating sleeve 63.Exploded view is shown in Figure 10 A.
Processing unit can independently operated (independent platform) under the environment, promptly as mentioned above, or by means of by comprising serial, parallel, or the remote host that USB connects or IEEE 802.15 WPAN RF technology connect in interior any suitable means.Processing unit comprises digital signal processing (DSP) unit or asic processor.The biological sign indicating number by the fingerprint of key of biological detection scanning is caught or extracted to processing unit.Biological sign indicating number carries out personal authentication for fingerprint pattern or digital signature to allow.Extraction and matching algorithm are based on little decorative pattern (minutiae) relatively.In this, the maximum length of a biological sign indicating number is 254 bytes.Processing unit can management reach 2048 biological sign indicating numbers in own database, perhaps more if desired biological yard, can manage this database by distance host.In order to make full use of available feature, for example control report and user consulting, distance host can with this processing unit interface.
Processing unit can be one and only utilize an external power source, one with the interface of biology sensor with the self-contained circuit board that is connected of main frame.Processing unit also can comprise RAM on the plate, ROM, and communication interface, fingerprint identification software and database manager, all these are integrated into is an optimum device.The task of system integration device is the related specifications that realizes the total system operation.
Available different register device is imported a biological sign indicating number in processor database.The most general is the distance host that connects through suitably.Smart card reader also can combine with one 10 key board and be used for controlled processing unit.There is several different methods can under freestanding environment, start the function of manager.
Processing unit also can directly be registered biological sign indicating number to initial point via key.The user is divided into two classes: supvr and general user.Supvr's registration, inspection and the authorized person of deletion in database.
In Figure 11, show another embodiment of the present invention, wherein key 10 is contained in the receiver fixed main body 18A and is electrically connected shown in Figure 12 and 13, and it represents along the tangent line A-A of Figure 11 and the sectional drawing of D-D, and to show relevant contact stitch with the similar mode of Fig. 6 and Fig. 8.In Figure 12, as previously mentioned, contact stitch 52 and 53 links by insulating sleeve 50A and 51.The matched contact pilotage pin 56 of contact stitch 52 and 53 contact receptacle main body 18A, these stitch 56 contact spring buttons 57.Distribution 66 links spring button 57 by pad 67, as shown in figure 14.Key 10 inserts in the groove 68 of receptacle main body 18A, as shown in figure 16.Distribution 66 pile warp wiring ducts 69 are shown in Figure 13 and 17.Receptacle main body 18A also has a light emitting diode 70, and as shown in figure 16, it is one and is used for the visible signal that expression is accepted this signal (green) or refused this signal (redness).Distribution 66 has pad 66A, 66B, and 66C and 66D, as shown in figure 17.
Receptacle main body 18A can be installed in the shell of a drawer, chest, any security system, thereby makes the processing unit (not shown) of receptacle main body 18A distribution to the security system that need be entered by key of biological detection 10.Therefore in this specific embodiment, do not need a machinery or the dynamo-electric lock body 20 shown in the specific embodiment of Fig. 1-10.
Sensor 14 can be bought the ready-made commodity FingerTip of Siemens.These commodity are sold with the form of module, and it also comprises one by the processing unit that conductor is connected with the FingerTip sensor chip, and this module Siemens is that registered trademark is sold with TopSec 10-ModuleA1.0.Module is read the biological data in the FingerTip sensor, and it is assessed and the database that comprises in itself and the module storer is compared.Require emphasis, the present invention only utilizes sensor partly also as above-mentioned being contained within the key main body 13.
But, the processing unit of module is an example of suitable processing unit used in this invention.
Key 10 comprises that also one is positioned at same one side of sensor 14 or the intelligent card chip 14A (not shown) on reverse side or the front.
The form that also can expect the above-mentioned receptacle main body that the present invention is included can be lock tube 18 or receiver fixed main body 18A.The present invention also comprises lock pipe 31.
Intelligent card chip 14A can comprise integrated circuit and/or a processor integrated circuit and/or an individual identification mark that comprises IC-S with 1S0 7816 interfaces.
The running program calcspar that uses key of biological detection of the present invention has been shown among Figure 18, comprising following operation:
(i) key 10 or 10A insert among lock tube 18 or the receiver fixed main body 18A:
(ii) the key contact point is connected with the contact point of receptacle main body;
(iii) by external power source through receptacle main body 18 or 18A and sensor 14 power supplies of processing unit in key 10;
(iv) biological data is read by sensor 14 and is transmitted these data to processing unit through the key contact point;
(v) processing unit picked-up biological data feature and compare to mate with the biological data feature of previous storage;
If (vi) mate external signal locking or release (being ON/OFF); And
(vii) from the receptacle main body, take out key 10.
Figure 19 illustrates the biological data feature register flow path figure that finishes via a main frame, wherein:
(a) individual that the host software request is relevant with authorized user and/or people information;
(b) sensor is through key, by absorbing a biological data feature with the receptacle main body of host interface;
(c) store individual and/or demographic data and biological data feature, and be stored in the database of host computer;
(d) previous materials for registration (promptly preventing multiple registration under same name) in the search database;
(e) if can not find, authorized user is promptly registered in database;
(f) if find, the refusal registration; And
(g) upgrade the database be arranged in processing unit and host data base to reflect new registration.
Can understand key of biological detection of the present invention and can be used for multiple operation by aforementioned, have very simple structure and high security.
In the aforementioned specific embodiment that revises, can expect that this key can have the processor chips of dress in one or processing unit to replace being contained in the processing unit in the receptacle main body.