WO2002048948A1

WO2002048948A1 - An identifying system using a removal terminal

Info

Publication number: WO2002048948A1
Application number: PCT/KR2001/002157
Authority: WO
Inventors: Young Shik Lee
Original assignee: CYBER EVALUATION SYSTEM TECHNOLOGY Co Ltd
Current assignee: CYBER EVALUATION SYSTEM TECHNOLOGY Co Ltd
Priority date: 2000-12-16
Filing date: 2001-12-13
Publication date: 2002-06-20
Anticipated expiration: 2003-06-16
Also published as: KR200223756Y1; AU2002216438A1

Abstract

The present invention relates to an identifying system for carrying out an authentication or an identification of an user, using a removal terminal unit, which is combined in an authentication device, abstracts a fingerprint form an user and converts it into digital data and provides it to an authentication device, which compares information of abstracted fingerprint of an user with IC card information or fingerprint information of the user-stored in memory and then pass judgement on whether an user requesting an authentication is legal or not, and then if an user requesting an authentication be legal, the authentication system removes security control or settles an account inputted by an user, and therefore, the structure of an authentication device can be more simplified and the space efficiency of the place for installing it can be enhanced and housebreaking or surreptitious use of a stranger can be prevented.

Description

Title

An identifying system using a removal terminal

Field of the Invention

The present invention relates to an identifying system, and, more particularly, to an identifying system using a removable terminal device.

Description of the Related Art

In recent years, the danger of exposure of each kind of information increases according to the development of the information communication techniques. Accordingly, there are suggested various techniques for the security of the information.

There are techniques which allow only a user having IC card provided with special authentication Number to enter specific place or to use system such as computer or to settle an account.

However, such way using IC card involves serious danger for surreptitious use.

Therefore, there are developed recently ways for carrying out authentication of identity through the recognition of the fingerprint or the iris in order to protect such danger.

But in case that the authentication of identity through recognition of the fingerprint or the iris is carried out, the means for extracting the fingerprint image of a user and the unit for carrying out the authentication of identity based on the extracted fingerprint information are formed in a body. Accordingly, if there are a number of places requiring security, each place must have both extracting unit and authentication unit. It requires great expense of the installation.

Detailed Description of the Invention

It is an object of the present invention to provide an identifying system for carrying out authentication of identity of a user anywhere and at any time conveniently and precisely, using a removable terminal device. To achieve this object, according to one aspect of the present invention, an identifying system comprises an authentication terminal unit including a card decipher means for deciphering fingerprint information of a user from the card storing fingerprint information of said user, a fingerprint image extract means for extracting the fingerprint image of a user, a fingerprint recognition means for converting fingerprint image extracted from said fingerprint image extract means into fingerprint information, which is digital data, and a first connector for transmitting said deciphered fingerprint information and said extracted fingerprint information; an authentication device including a second connector connected with said first connector, and a controller for judging whether a user requesting authentication of identity is legal or not by collating the fingerprint information of a user, which is transmitted through said second connector and outputted from said fingerprint recognition means, with the fingerprint information of a user, which is deciphered by said card decipher means. In addition, said authentication terminal unit can be connected to and disconnected from said authentication device.

According to another aspect of the present invention, an identifying system comprises an authentication terminal unit including a fingerprint image extract means for extracting the fingerprint image of a user, a fingerprint recognition means for converting fingerprint image extracted from said fingerprint image extract means into fingerprint information, which is digital data, and a first connector for transmitting said extracted fingerprint information; an authentication device including a second connector connected with said first connector, a memory storing fingerprint information of a number of users provided with authentication, and a controller for judging whether a user requesting authentication of identity is legal or not by collating the fingerprint information of a user, which is transmitted through said second connector and outputted from said fingerprint recognition means, with the fingerprint information of said memory. In addition, said authentication terminal unit can be connected to and disconnected from said authentication device.

In the identifying system of the present invention having such characters, said authentication device can include further a driver removing security control according to the judgment of said controller. Further, said authentication device can include additionally a memory storing fingerprint information of a user recognized by said fingerprint recognition means when a controller judges that fingerprint information of a user outputted from said fingerprint recognition means is not identical with the fingerprint information of a user deciphered by said card decipher means.

Furthermore, said identifying system can be connected to a account- settlement server over Network. In this case, said authentication device or authentication terminal unit include an input means for inputting data containing settlement amount information, a communication means for converting said data into protocols proper to Network and transmitting them to the settlement server, and an output means for outputting information inputted through said input means or said communication means.

According to further aspect of the present invention, an identifying system comprises an authentication terminal unit including a card decipher means for deciphering fingerprint information of a user from the card storing fingerprint information of said user, a fingerprint image extract means for extracting the fingerprint image of a user, a fingerprint recognition means for converting fingerprint image extracted from said fingerprint image extract means into fingerprint information, which is digital data, a controller for judging whether a user requesting authentication of identity is legal or not by collating the fingerprint information of a user outputted from said fingerprint recognition means, with the fingerprint information of a user, which is deciphered by said card decipher means and for outputting driving data as result of judgment, and a first connector for transmitting said driving data; an authentication device including a second connector connected with said first connector, and a driver for removing selectively security control according to driving data being transmitted through said second connector. In addition, said authentication terminal unit can be connected to and disconnected from said authentication device.

According to still another aspect of the present invention, an identifying system comprises an authentication terminal unit including a fingerprint image extract means for extracting the fingerprint image of a user, a fingerprint recognition means for converting fingerprint image extracted from said fingerprint image extract means into fingerprint information, which is digital data, a memory storing fingerprint information of a number of users provided with authentication, a controller for judging whether a user requesting authentication of identity is legal or not by collating the fingerprint information of a user, which is outputted from said fingerprint recognition means, with the fingerprint information of said memory, and a first connector for transmitting said driving data; an authentication device including a second connector connected with said first connector, and a driver for removing selectively security control according to driving data being transmitted through said second connector. In addition, said authentication terminal unit can be connected to and disconnected from said authentication device.

Further, said authentication terminal unit can include additionally a memory storing fingerprint information of a user recognized by said fingerprint recognition means when a controller judges that fingerprint information of a user outputted from said fingerprint recognition means is not identical with the fingerprint information of a user deciphered by said card decipher means.

In the identifying system of the present invention having such characters, said first connector and said second connector can send and receive wireless signals to each other.

Brief Description of the Drawings

Fig. 1 is a view showing an identifying system according to a first embodiment of the present invention. Fig. 2 is a view showing an identifying system according to a second embodiment of the present invention.

Fig. 3 is a view showing an identifying system according to a third embodiment of the present invention.

Fig. 4 is a view showing an identifying system according to a fourth embodiment of the present invention.

Fig. 5 is a view showing an identifying system according to a fifth embodiment of the present invention.

Embodiment In an identifying system according to the embodiment of the present invention, a terminal device producing fingerprint information for authentication of identity of a user is configured to be connected or disconnected to an authentication device for carrying out security authentication such as settlement authentication or identity confirmation according to fingerprint information. Hereinafter, the structure and the operation of an identifying system according to the present invention will be described in detail with reference to the cases, where an identifying system is used for control of coming in and out of users or for authenticating identity for usage of a safe.

Fig. 1 is a view showing an identifying system according to a first embodiment of the present invention.

As shown in Fig. 1, the identifying system according to the first embodiment of the present invention comprises an authentication terminal unit (10), an authentication device (20), and an IC card (30).

The IC card (30) according to the first embodiment of the present invention store fingerprint information of a user. The fingerprint information of a user stored in the IC card (30) may be stored as fingerprint image of a user or as a form of digital data, into which fingerprint images are converted. Meanwhile, fingerprint information of a user can be stored in a resident card of the user or a driver's license of the user, instead of IC card.

An authentication terminal unit (10) deciphers real fingerprint of a user as well as fingerprint of IC card and provide deciphered fingerprints to an authentication device

(20). An authentication terminal unit, concretely, includes a fingerprint image extract means (11), a fingerprint recognition means (12), an IC card decipher means (13), an input means (14), and a connector (15).

The fingerprint image extract means (11) extracts directly fingerprint image through scanning and the like, and transmits the extracted fingerprint image of a user to the fingerprint recognition means (12). The fingerprint recognition means (12) converts fingerprint image of a user transmitted from the fingerprint image extract means (11) into fingerprint information as digital data. The IC card decipher means (13) deciphers fingerprint information of a user from IC card (30) of a user and the input means (14) makes a user to input data such as numbers and letters. The connector (15) is connected to an authentication device (20) and provides data outputted from the fingerprint recognition means (12) or the IC card decipher means (13) or the input means (14) to the authentication device (20).

In the meantime, the authentication device (20) including a connector (21), a controller (22), a memory (23), and a driver (24) judges whether a user is legal or not by collating fingerprint information of a user provided from the authentication terminal unit with the fingerprint information deciphered from the IC card.

The connector (21) is connected to a connector (15) of the authentication terminal unit (10) and inputs data provided from the authentication terminal unit (10) into a controller (22). The controller (22) judge whether a user is legal or not by collating fingerprint information of a user provided from the authentication terminal unit (10) with the deciphered fingerprint information. A memory (23) stores fingerprint information of a user transmitted from the fingerprint recognition means, in case that the fingerprint information of a user transmitted from the fingerprint recognition means is not identical with fingerprint information of a user deciphered from IC card (30). A driver (24) carries out removing security control, in case that the fingerprint information of a user transmitted from the fingerprint recognition means is identical with fingerprint information of a user deciphered from IC card (30). Here, removing security control means that a prohibition of specific act is released. For example, a user is allowed to enter specific place by opening an entrance door or a safe door, or a computer is provided with power supply to operate, or account settlement is allowed to be requested.

Besides, a displayer (25) showing the result of judgment of a controller or each kind of data inputted by a user through a input means can be further included, and the displayer (25) can be selectively installed to the authentication terminal unit or the authentication device. Here, a displayer installed to the authentication device is taken as a example for minimization of the authentication terminal unit.

The authentication device (20) with the above described structure, for example, is installed to or around an entrance door (or a safe door) for controlling entrance and the connector (21) connected to a connector (15) of the authentication terminal unit (10) is exposed to be formed on one side of the authentication device (20) so that a user can easily connect the authentication terminal unit (10) to the authentication device (20).

The operation of the identifying system according a first embodiment of the present invention will be described below.

A user, who wants to enter a specific place or to draw out money from a specific safe, connects an authentication terminal unit (10) to an authentication device by inserting a connector (15) of an authentication terminal unit (10) into a connector (24) of an authentication device (20) attached to a relevant entrance door.

Further, when a user inserts an IC card (30) into an IC card decipher means (13) and then inserts his hand into a fingerprint image extract means (11), the fingerprint image extract means (11) extracts fingerprint image of a user and outputs it to a fingerprint recognition means (12), and then an IC card decipher means (110) deciphers fingerprint information of a user from the IC card.

The fingerprint recognition means (12) handles fingerprint image of a user an then converts it into fingerprint information as digital data. These fingerprint image information and fingerprint information deciphered from the IC card are transmitted through the connector (15) to the authentication device (20).

A controller (22) of the authentication device (20) judges whether fingerprint information inputted through the connector and extracted from a user is identical with fingerprint information deciphered from the IC card (SI 30) and then operates a driver (24) in case that both fingerprint information are identical. Accordingly, the driver (24) removes security control to open the entrance door by operating switchgear of the entrance door (not illustrated).

Meanwhile, in case that fingerprint information extracted from a user is not identical with fingerprint information deciphered from the IC card, the controller (22) displays it through a displayer and then fingerprint information of a user is extracted once again and then the controller (22) judges whether fingerprint information extracted once again is identical with fingerprint information deciphered from the IC card. If fingerprint information extracted from a user is not identical with fingerprint information deciphered from the IC card, though the above process has been repeated N- times, the controller (24) judges that a owner of IC card is not legal user and stores fingerprint information extracted from a user into a memory (23) of the authentication device (20). According to the first embodiment of the present invention, as fingerprint information of an owner of irrelevant card are stored in the memory (23) and fingerprint information stored in the memory (23) are managed, persons who try to enter illegally the entrance door with surreptitious IC card or to do business with a surreptitious cash card or a surreptitious credit card can be identified.

As an authentication terminal unit can be connected to or disconnected from an authentication device, only an authentication device may be installed at place requiring security control and therefore, we can make good use of space. In addition, as an authentication of a user is carried out by collating fingerprint information of a user recorded on IC card with fingerprint information extracted directly from a user, a third party can be prevented from using by stealth the card at the time of the loss of the card.

Meanwhile, an authentication terminal unit can be configured to judge whether fingerprints are identical as well, differently from the first embodiment described above.

The second embodiment of the present invention relates to an identifying system considered on this aspect.

As shown in Fig. 2, an identifying system according to the second embodiment of the present invention, like the first embodiment, includes an authentication terminal unit (10), an authentication device (20), and an IC card (30) and an authentication terminal unit (10), differently from the first embodiment, includes a fingerprint image extract means (11), a fingerprint recognition means (12), a IC card decipher means (13), an input means (14),* a first connector (15), a controller (16), a memory (17), and a displayer (18),

Each individual function of each part is the same as the first embodiment described above, and only data being provided from the authentication terminal unit (10) to the authentication device (20) are not the same as the first embodiment described above. Here, parts having the same functions are provided with the same numbers as the first embodiment, and the controller, the memory, the displayer of the authentication terminal unit carry out the same functions as the first embodiment. Only their Figure numbers are different from the first embodiment because they are components of the authentication terminal unit.

The operation of the identifying system according to the second embodiment of the present invention will be described as follows,

Like in the first embodiment described above, in the state that the authentication terminal unit (10) is connected with the authentication device (20) by user's inserting a connector (15) of the authentication terminal unit (10) into a connector (21) of the authentication device (20), a fingerprint image extract means (11) and a fingerprint recognition means (12) extract fingerprint information of a user, a IC card decipher means (13) deciphers fingerprint information stored in IC card (30).

These fingerprint information are not provided to the authentication device (20) like in the first embodiment, but inputted directly into the controller (16) included in the authentication terminal unit (10). The controller (16) collates the extracted fingerprint information of a user with the fingerprint information deciphered from the IC card and outputs data according to the collated results respectively to the connector (15). Accordingly, extracted fingerprint information of a user and fingerprint information deciphered from the IC card are not provided to the authentication device (20) like in the first embodiment, but only data showing yes or not of coincidence of the two fingerprint information are inputted into the authentication device (20).

A driver (24) carries out removing security control identically with the first embodiment described above, in case that data being inputted through a connector (21) show the identity of the extracted fingerprint information with the fingerprint information deciphered from IC card. Further, a driver (24) holds security control, in case that the above data do not show the identity of the extracted fingerprint information with the fingerprint information deciphered from IC card.

Meanwhile, a controller (16) of the authentication terminal unit (10) repeats fingerprint extracting and collating operation N times by displaying a new fingerprint information extract request on a displayer, in case that the extracted fingerprint information are not identical with the fingerprint information deciphered from IC card. Further, in case that the two fingerprint¹ information are not identical in spite of N times repetition, the fingerprint information extract from a user are stored in a memory (17) of the authentication terminal unit (10).

As only a connector being connected an authentication terminal unit is required to be installed at a place, where security for a certain place or apparatus is needed, according to the second embodiment of the present invention, the structure of an authentication device is more simplified and the installation cost is reduced.

On the other hand, as the fingerprint information of a user must be stored in an IC card, according to the first and second embodiment of the present invention, the conventional magnetic card or IC card can not be used just as it is, but new issued IC card is needed.

The third embodiment of the present invention relates to an identifying system taking this point into account.

Fig. 3 shows the structure of an identifying system according to the third embodiment of the present invention.

As shown in Fig. 3, an authentication terminal unit (10), not like in the first embodiment, includes only a fingerprint image extract means (11), a fingerprint recognition means (12), and a connector (15). An authentication device (20) includes a connector (21), a controller (22), a driver (24), a displayer (25), and first, second memory (26, 27). Fingerprint information of a number of user approved for the usage are stored in the first memory (26).

The operation of an identifying system according to the third embodiment of the present invention will be described as follows.

Like in the first embodiment described above, a fingerprint image extract means (11) and a fingerprint recognition means (12) extract fingerprint information of a user and output them to a connector (15), in the state that an authentication terminal unit (10) is connected with an authentication device (20). Accordingly, not like in the first embodiment, only extracted fingerprint information of a user are inputted into an authentication device (20), and a controller (22) of an authentication device (20) collates fingerprint information of a user provided from an authentication terminal unit (10) through a connector (21) with fingerprint information stored in the first memory (26). In case that the extracted fingerprint information of a user are identical with fingerprint information stored in the first memory (26), a controller drives a driver (24) to remove the security control. In case that the extracted fingerprint information of a user are not identical with fingerprint information stored in the first memory (26), the actions of fingerprint extract and fingerprint collation are repeated N times, like in the first embodiment described above. If the extracted fingerprint information of a user are not identical with fingerprint information stored in the first memory (26) in spite of N times repetitions, extracted fingerprint information of a user are stored in the second memory (27) to be managed separately.

According to the third embodiment of the present invention as above, the authentication of a user can be carried out by collating fingerprint information of a user stored in the first memory with fingerprint information extracted from a user directly after having stored fingerprint information of a user in the first memory of the authentication server without producing any IC card storing fingerprint information of a user.

On the other hand, in the third embodiment of the present invention, fingerprint information of a user are stored in the first memory (26) of an authentication device (20) in the shape matched with such information of a user as a secret number, and an authentication requester inputs user information through an input means (14) of an authentication terminal unit (10) so that a controller (520) of an authentication server can collate rapidly yes or not of identification of fingerprint information of a user stored in the first memory (26) of an authentication device (20) with the real fingerprint information of a user. These user information are offered to an authentication device (20) through a connector (15) together with real extracted fingerprint information of a user and a controller (22) of an authentication device (20) can decipher fingerprint information matched with user information by searching for the first memory (26) by means of user information transmitted from an authentication terminal unit. As described above, an authentication device can rapidly collate transmitted fingerprint information of a user with fingerprint information stored previously in the first memory. Also in case that the authentication of a user is carried out by storing previously authenticated fingerprint information of a user in the first memory without using any separate IC card, an authentication terminal unit can be constructed to judge an authentication of a user on the basis of extracted fingerprint information, like in the second embodiment described above.

The fourth embodiment of the present invention relates to an identifying system taking this aspect into account.

Fig. 4 shows an identifying system according to the fourth embodiment of the present invention.

An authentication terminal unit (10) according to the fourth embodiment of the present invention includes a fingerprint image extract means (11), a fingerprint recognition (12), an input means (14), a connector (15), a displayer (18), a first, and a second memory (19a, 19b) and an authentication device (20) includes a connector (21) and a driver (24).

In the fourth embodiment of the present invention having above described structure, when a fingerprint image extract means and a fingerprint recognition means (12) an authentication terminal unit (10) extract fingerprint information of a user, a controller (16) collates extracted fingerprint information with fingerprint information stored in the first memory (19a) and offers only data based on the collation result through a connector (15) to an authentication device (20), like in the second embodiment. Accordingly, a driver (24) of an authentication device (20) carries out removing security control only in case that the extracted fingerprint information is identical with the fingerprint information stored in the first memory (19a).

Besides these embodiments, as an authentication terminal unit or authentication device includes a first memory storing fingerprint information of an authenticated user together with IC card decipher means, an authentication can be carried out by firstly judging whether user information inputted from an authentication terminal unit are identical with user information deciphered from the card and by secondly judging whether fingerprint information extracted from user are identical with fingerprint information stored in the memory. In the meantime, the embodiment described above explained identifying system used for personal identification. But an identifying system according to the embodiment of the present invention can be used further for confirmation of the account settlement.

The fifth embodiment of the present invention relates to an identifying system used for requesting settlement.

Fig. 5 shows an identifying system according to the fifth embodiment of the present invention.

As shown in Fig. 5, an authentication terminal unit (10) according to the fifth embodiment is achieved identically with the first embodiment and an authentication device (20) includes a connector (21), a controller (22), and a communication means (28). Here, a communication means (28) is connected to a settlement server (50) through a network (inclusive of by wire and by wireless).

The operation of an identifying system according to the fifth embodiment of the present invention will be described as follows.

Like in the embodiment described above, an authentication terminal unit (10) is connected with an authentication device (20) and fingerprint information of a user is extracted and fingerprint information is deciphered from an IC card. At this time, a settlement requester inputs, through an input means (14) of an authentication terminal unit, information of an amount of money for settlement request. Accordingly, information of an amount of money for settlement is offered to an authentication device (20) together with fingerprint information of a user extracted through a connector (15) and fingerprint information deciphered from an IC card

A controller (22) of an authentication (20) collates extracted fingerprint information of a user with fingerprint information deciphered from an IC card and, in case that two fingerprint information are identical, transmits an amount of money for settlement of a user to an settlement server (50) through a communication means (28) and a network (40). Then, a settlement server (50) carries out settlement of an amount of money, for which a user requested settlement, and transmits the settlement result through a network (40) and a controller (22) displays through a displayer (25) the results transmitted from the communication means (28).

The authentication device (20) carrying out such function can naturally apply to the second through fourth embodiments and makers concerned can easily put it into practice. Accordingly, we shall omit explanation in order to avoid repetition.

On the other hand, an identifying system according to a number of embodiments of the present invention carried out information exchange between an authentication terminal unit and an authentication device through a connector. However, each information measured and settled in an authentication terminal unit can be offered to an authentication device by wireless.

In case that information exchanges between an authentication terminal unit and an authentication device are carried out as above, connectors of an authentication terminal unit and an authentication device respectively can be constructed to carry out function of a wireless transmitter and a wireless receiver, and as a technique for transmitting information to another device after settling it by wireless is a common art, we shall omit detailed explanation of it in order to avoid repetition.

As above, we have explained embodiments of the present invention. However, the present invention is not limited to only above described embodiments but further various modifications and changes are possible.

For example, the first embodiment of the present invention explained that fingerprint information is stored in an IC card. However, fingerprint information of a user can be stored also in other card.

According to the present invention as described above, an authentication terminal unit can be connected and disconnected with an authentication device and at the same time, the authentication of a user can be carried out on the basis of fingerprint information of a user. Therefore, secure credit transaction can be carried out without any surreptitious use of an third party. In addition, as an authentication terminal unit really extracting fingerprint information of a user can be connected and disconnected with an authentication device, the structure of an authentication device can be more simplified and the efficiency of the space , where an authentication device is installed, can be enhanced. Further, the manufacturing expense and installing expense of an authentication device can be reduced.

Furthermore, in case that a user want to keep security of several places, all places can be authenticated by use of only one authentication terminal unit. Therefore, the cost for keeping security can be reduced.

Claims

What is claimed is-'

1. An identifying system comprising.' an authentication terminal unit including a card decipher means for deciphering fingerprint information of a user from the card storing fingerprint information of a user,' a fingerprint image extract means for extracting the fingerprint image of a user, a fingerprint recognition means for converting fingerprint image extracted from said fingerprint image extract means into fingerprint information, which is digital data, and; a first connector for transmitting said deciphered fingerprint information and said extracted fingerprint information; an authentication device including a second connector connected with said first connector, and; a controller for judging whether a user requesting authentication of identity is legal or not by collating the fingerprint information of a user, which is transmitted through said second connector and outputted from said fingerprint recognition means, with the fingerprint information of a user, which is deciphered by said card decipher means, wherein said authentication terminal unit can be connected to and disconnected from said authentication device.

2. an identifying system comprising: an authentication terminal unit including a fingerprint image extract means for extracting the fingerprint image of a user, a fingerprint recognition means for converting fingerprint image extracted from said fingerprint image extract means into fingerprint information, which is digital data, and; a first connector for transmitting said extracted fingerprint information; an authentication device including a second connector connected with said first connector, a memory storing fingerprint information of a number of users provided with authentication, and; a controller for judging whether a user requesting authentication of identity is legal or not by collating the fingerprint information of a user, which is transmitted through said second connector and outputted from said fingerprint recognition means, with the fingerprint information of said memory, wherein said authentication terminal unit can be connected to and disconnected from said authentication device.

3. The system as claimed in claim 1 or 2, wherein said authentication device can include further a driver removing security control according to the judgment of said controller.

4. The system as claimed in claim 1 or 2, wherein said authentication device can include additionally a memory storing fingerprint information of a user recognized by said fingerprint recognition means when a controller judges that fingerprint information of a user outputted from said fingerprint recognition means is not identical with the - fingerprint information of a user deciphered by said card decipher means.

5. The system as claimed in claim 1 or 2, wherein said identifying system can be connected to a account-settlement server over Network, and in this case, said authentication device or authentication terminal unit include an input means for inputting data containing settlement amount information, a communication means for converting said data into protocols proper to Network and transmitting them to the settlement server, and an output means for outputting information inputted through said input means or said communication means.

6. The system as claimed in claim 1 or 2, wherein said first connector and said second connector receive and transmit signals by wireless.

7. an identifying system comprising: an authentication terminal unit including a card decipher means for deciphering fingerprint information of a user from the card storing fingerprint information of said user, a fingerprint image extract means for extracting the fingerprint image of a user, a fingerprint recognition means for converting fingerprint image extracted from said fingerprint image extract means into fingerprint information, which is digital data, a controller for judging whether a user requesting authentication of identity is legal or not by collating the fingerprint information of a user outputted from said fingerprint recognition means, with the fingerprint information of a user, which is deciphered by said card decipher means and for outputting driving data as result of judgment. And; a first connector for transmitting said driving data; an authentication device including a second connector connected with said first connector, and; a driver for removing selectively security control according to driving data being transmitted through said second connector, wherein said authentication terminal unit can be connected to and disconnected from said authentication device.

8. an identifying system comprising: an authentication terminal unit including a fingerprint image extract means for extracting the fingerprint image of a user, a fingerprint recognition means for converting fingerprint image extracted from said fingerprint image extract means into fingerprint information, which is digital data, a memory storing fingerprint information of a number of users provided with authentication, a controller for judging whether a user requesting authentication of identity is legal or not by collating the fingerprint information of a user, which is outputted from said fingerprint recognition means, with the fingerprint information of said memory, and; a first connector for transmitting said driving data; an authentication device including a second connector connected with said first connector, and; a driver for removing selectively security control according to driving data being transmitted through said second connector, wherein said authentication terminal unit can be connected to and disconnected from said authentication device.

9. The system as claimed in claim 7 or 8, wherein said authentication terminal unit can include additionally a memory storing fingerprint information of a user recognized by said fingerprint recognition means when a controller judges that fingerprint information of a user outputted from said fingerprint recognition means is not identical with the fingerprint information of a user deciphered by said card decipher means.

10. The system as claimed in claim 7 or 8, wherein said first connector and said second connector can send and receive signals by wireless to each other.