JP4613900B2 - Information device with fingerprint authentication function - Google Patents

Information device with fingerprint authentication function Download PDF

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JP4613900B2
JP4613900B2 JP2006245740A JP2006245740A JP4613900B2 JP 4613900 B2 JP4613900 B2 JP 4613900B2 JP 2006245740 A JP2006245740 A JP 2006245740A JP 2006245740 A JP2006245740 A JP 2006245740A JP 4613900 B2 JP4613900 B2 JP 4613900B2
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fingertip
fingerprint
authentication function
fingerprint authentication
information device
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JP2008065767A (en
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真 藤本
治郎 田中
與志次 野村
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Teac Corp
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本発明は、指紋認証により機密保持を行うようにした情報機器において、指紋センサーによる指紋の読み取り時における認識エラーを防止するようにした指紋認証機能部の改良に関する。   The present invention relates to an improvement of a fingerprint authentication function unit that prevents a recognition error at the time of reading a fingerprint by a fingerprint sensor in an information device in which confidentiality is maintained by fingerprint authentication.

発展する情報化社会において金融機関などでは、本人確認を行うための精度の高いシステムとして現金自動支払機などに指紋認証装置が多く採用されるようになっている。
さらに、企業の機密保持や集合住宅などの私有地における警備を目的とする指紋認証装置も提案されている（例えば、特許文献１）。 In the developing information society, financial institutions and the like are increasingly adopting fingerprint authentication devices such as an automatic teller machine as a highly accurate system for performing identity verification.
Furthermore, a fingerprint authentication device has also been proposed for the purpose of security in private property such as corporate confidentiality and apartment housing (for example, Patent Document 1).

このような施設などにおける指紋認証装置は、実施する対象が大型のシステムであることから装置の取り付けが容易であり、指紋認証機能部を大型に構成することができ機構設計の融通性が高い。しかしながら、薄型化、小型化が要求されるパソコン、携帯電話機、ＵＳＢメモリ装置などのような情報機器においては、指紋認証機能部はその大きさに制約を受ける。また、携帯電話機のような場合は、機器本体の本来の機能を構成する部分から外れた位置、即ち、機器本体の上端部や下端部を指紋検出部としている。（例えば、特許文献２）。   Since the fingerprint authentication apparatus in such a facility is a large system to be implemented, the apparatus can be easily attached, the fingerprint authentication function unit can be configured in a large size, and the flexibility of the mechanism design is high. However, in an information device such as a personal computer, a mobile phone, or a USB memory device that is required to be thin and small, the size of the fingerprint authentication function unit is limited. Further, in the case of a mobile phone, the fingerprint detection unit is located at a position deviated from the part constituting the original function of the device main body, that is, the upper end or lower end of the device main body. (For example, patent document 2).

また、携帯電話機やパソコンなどよりさらに小型のＵＳＢメモリ装置においては、指紋認証機能部はさらに構造的制約を受けるものであった。図１０は、このような従来のＵＳＢメモリ装置１０１に指紋認証機能部１０２を構成した状態を示したもので、方形状の凹陥部１０３に指紋センサー１０４を配設するようにしている。
特開２００５−３５２７８８号公報 特開２００３−２９８７１１号公報 Further, in a USB memory device that is smaller than a mobile phone or a personal computer, the fingerprint authentication function unit is further subjected to structural restrictions. FIG. 10 shows a state in which the fingerprint authentication function unit 102 is configured in such a conventional USB memory device 101, and the fingerprint sensor 104 is arranged in the rectangular recess 103.
JP-A-2005-352788 JP 2003-298711 A

このように構成されたＵＳＢメモリ装置１０１において指紋認証のため指先を指紋センサー１０４上で摺接させる場合、正確に中心位置で摺接を反復することが困難であり、認識エラーを生じる確率の高いものであった。即ち、図１１（Ａ）に示すように指紋登録の位置が同図のように指紋センサー１０４の中心で指先Ｆを摺接して行われた場合、指紋認証における指先Ｆの摺接も同位置で行われなければならない。   In the USB memory device 101 configured as described above, when the fingertip is slid on the fingerprint sensor 104 for fingerprint authentication, it is difficult to repeat the sliding accurately at the center position, and there is a high probability of causing a recognition error. It was a thing. That is, as shown in FIG. 11A, when the fingerprint registration position is performed by sliding the fingertip F at the center of the fingerprint sensor 104 as shown in the same figure, the sliding contact of the fingertip F in the fingerprint authentication is also the same position. Must be done.

ところが、往々にして指先Ｆの摺接は、図１１（Ｂ）、図１１（Ｃ）に示すように指紋センサー１０４の中心から左右に偏ることが多く、常に指紋センサー１０４の中心で指先の摺接が行われることがなく、認識エラーを発生する要因となっている。本発明は、かかる従来の問題に鑑みなされたもので、常に指紋センサーの中心で指先の摺接が行われ、認識エラーを防止するようにした指紋認証機能付き情報機器を提供することを目的とするものである。   However, the sliding contact of the fingertip F is often biased left and right from the center of the fingerprint sensor 104 as shown in FIGS. 11B and 11C, and the fingertip F always slides at the center of the fingerprint sensor 104. This is a cause of occurrence of a recognition error. The present invention has been made in view of such conventional problems, and an object of the present invention is to provide an information device with a fingerprint authentication function in which a fingertip is always slid in the center of a fingerprint sensor to prevent a recognition error. To do.

そこで本発明は、以下に述べる手段により上記課題を解決するようにした。即ち、請求項１記載の発明では、
指紋センサー上で指先の指紋部分を摺接して得られる指紋データから本人確認を行うようにした指紋認証機能付き情報機器であり、
筐体の表面に指先の第１関節から前方の形状に相似した指先凹陥部と、第１関節と第２関節の間の形状に一致する指腹凹陥部を形成するとともに、前記第１関節に相当する位置である括れ部に指紋センサーを配設した指紋認証機能付き情報機器となるようにする。 Therefore, the present invention solves the above problems by the means described below. That is, in the invention according to claim 1,
It is an information device with a fingerprint authentication function that performs identity verification from fingerprint data obtained by sliding the fingerprint part of the fingertip on the fingerprint sensor.
Formed on the surface of the housing is a fingertip recess similar to the front shape from the first joint of the fingertip, and a finger pad recess corresponding to the shape between the first joint and the second joint, and the first joint An information device with a fingerprint authentication function in which a fingerprint sensor is disposed at a constricted portion at a corresponding position is provided.

請求項２記載の発明では、上記請求項１記載の指紋認証機能付き情報機器において、凹陥部の前端部および後端部に傾斜面を形成する。   According to a second aspect of the present invention, in the information device with a fingerprint authentication function according to the first aspect, inclined surfaces are formed at the front end portion and the rear end portion of the recessed portion.

請求項３記載の発明では、上記請求項１記載の指紋認証機能付き情報機器において、指紋センサーが弾性支持されるようにする。   According to a third aspect of the present invention, in the information device with a fingerprint authentication function according to the first aspect, the fingerprint sensor is elastically supported.

本発明によれば、指紋認証機能部に指先が一致する状態となり、常に指紋センサーを定位置で摺接することが可能となるので認識エラーを防止することができ、指紋認証機能部が構造的に大型とならないようにすることができ、薄型化、小型化が要求される情報機器において好適な指紋認証機能部となるようにすることができる。さらに、指紋認証機能部を構成する凹陥部の前端部および後端部に傾斜面を形成したので、指先に抵抗感を与えることなく指紋センサーとの摺接が可能となり、また、指紋センサーを弾性支持したことから摺接時の指先への追従性を向上することができる。   According to the present invention, the fingertip coincides with the fingerprint authentication function unit, and the fingerprint sensor can be always slid in a fixed position, so that recognition errors can be prevented and the fingerprint authentication function unit is structurally structured. It can be prevented from becoming large, and can be a fingerprint authentication function unit suitable for information equipment that is required to be thin and small. In addition, because the front and rear end of the concave part that constitutes the fingerprint authentication function part are formed with inclined surfaces, sliding contact with the fingerprint sensor is possible without giving a sense of resistance to the fingertip, and the fingerprint sensor is elastic. The followability to the fingertip at the time of sliding contact can be improved from the support.

図１は、本発明を実施したＵＳＢメモリ装置Ａの平面図であり、図２にその斜視図を示す。同図において、ＵＳＢメモリ装置Ａの本体先端にパソコンなどへ接続するためのコネクタ１を備え、本体の筐体表面に指紋認証機能部２を構成する。この指紋認証機能部２には、図１に示すように指先の第１関節から前方の形状に相似した指先凹陥部３ａと、第１関節と第２関節の間の形状に一致する指腹凹陥部３ｂが形成され、したがって指先の第１関節に相当する位置が括れ部３ｃとなる。なお、指先凹陥部３ａの前端部には傾斜面３ａ−１が形成されており、指腹凹陥部３ｂの後端部に傾斜部３ｂ−１が形成されている。   FIG. 1 is a plan view of a USB memory device A embodying the present invention, and FIG. 2 is a perspective view thereof. In the figure, a connector 1 for connecting to a personal computer or the like is provided at the front end of the main body of the USB memory device A, and a fingerprint authentication function unit 2 is configured on the surface of the casing of the main body. As shown in FIG. 1, the fingerprint authentication function unit 2 includes a fingertip recess 3a that resembles a front shape from the first joint of the fingertip, and a finger pad recess that matches the shape between the first joint and the second joint. The portion 3b is formed, and therefore the position corresponding to the first joint of the fingertip is the constricted portion 3c. In addition, the inclined surface 3a-1 is formed in the front end part of the fingertip recessed part 3a, and the inclined part 3b-1 is formed in the rear end part of the finger pad recessed part 3b.

そして、このように形成された括れ部３ｃには図３に示すように指紋センサー４が配設される。この指紋センサー４は指先を摺接して指紋の凹凸を検出するようにするため、静電容量方式あるいは光学式のものが好適となる。また、この指紋センサー４は、本体内に固定されたラバーダンパー５に支持されていることから、押圧されると沈下して指先の表面に対して柔軟に追従できるようにしている。   And the fingerprint sensor 4 is arrange | positioned as shown in FIG. 3 in the narrow part 3c formed in this way. The fingerprint sensor 4 is preferably a capacitance type or optical type in order to detect the irregularities of the fingerprint by sliding the fingertip. Since the fingerprint sensor 4 is supported by a rubber damper 5 fixed in the main body, the fingerprint sensor 4 sinks when pressed and can flexibly follow the surface of the fingertip.

本発明は以上のように構成されており、指紋認証機能部２の指先凹陥部３ａと指腹凹陥部３ｂに指紋登録した指を配置すると、図４に示すように指先Ｆの外形が指先凹陥部３ａと指腹凹陥部３ｂとが一致した状態となり、図５に示すように括れ部３ｃの指紋センサー４に指先Ｆの第１関節が位置する状態となる。   The present invention is configured as described above. When the finger registered in the fingertip recess 3a and the finger pad recess 3b of the fingerprint authentication function unit 2 is placed, the outer shape of the fingertip F is recessed as shown in FIG. As shown in FIG. 5, the first joint of the fingertip F is positioned on the fingerprint sensor 4 of the constricted portion 3c, as shown in FIG.

したがって、配置した指先Ｆは指先凹陥部３ａと指腹凹陥部３ｂの周側全体に接触する状態となるため、指紋認証機能部２へ指先Ｆを正確に配置した感覚を得ることができ、常に指紋センサー４の中心位置に指先Ｆの第１関節部分の配置が可能となる。そして、かかる状態から指先Ｆを指紋センサー４上で図６に示すように摺接すると、指先Ｆの指腹部は傾斜部３ｂ−１に沿ってスムーズに移動し、これに伴って同図に示すように指先Ｆの指紋が指先センサー４により読み取られる。   Therefore, since the arranged fingertip F comes into contact with the entire peripheral side of the fingertip recessed portion 3a and the finger pad recessed portion 3b, it is possible to obtain a feeling that the fingertip F is accurately placed on the fingerprint authentication function unit 2, The first joint portion of the fingertip F can be arranged at the center position of the fingerprint sensor 4. Then, when the fingertip F is slid on the fingerprint sensor 4 as shown in FIG. 6 from such a state, the finger pad portion of the fingertip F moves smoothly along the inclined portion 3b-1 and is shown in FIG. As described above, the fingerprint of the fingertip F is read by the fingertip sensor 4.

このようにして指先Ｆを指紋センサーＦに摺接する過程において、移動する指先Ｆは、その側部が図７に示すように括れ部３ｃに案内される状態となることから、指紋センサー４に対する横方向の位置を正確に保つことができ、指先側部に得られる触覚で指先の摺接状態を把握することができる。また、指紋センサー４はラバーダンパー５により上方へ付勢される状態となるため、どの位置においても指先Ｆとの接触状態が均等に保たれ、より正確な指紋の読み取りが可能となる。   In the process of sliding the fingertip F on the fingerprint sensor F in this way, the side of the moving fingertip F is guided to the constricted portion 3c as shown in FIG. The position of the direction can be accurately maintained, and the sliding contact state of the fingertip can be grasped by a tactile sensation obtained on the side of the fingertip. Further, since the fingerprint sensor 4 is biased upward by the rubber damper 5, the contact state with the fingertip F is kept even at any position, and more accurate fingerprint reading is possible.

以上のように本発明では、指先の外形に相似する形状の僅かな深さの凹陥部の形成により所期の目的とする機能を得ることができることから、上述したＵＳＢメモリ装置のような小型の情報機器に実施することができ、また、図８に示すように携帯電話機Ｂの背面に配設するようにしたり、図９に示すようにノート型パソコンＣの筐体表面に配設することが可能であり、実施の対象を広範なものとすることができる。   As described above, according to the present invention, the intended function can be obtained by forming a concave portion having a slight depth with a shape similar to the outer shape of the fingertip. It can be implemented in information equipment, and can be arranged on the back surface of the mobile phone B as shown in FIG. 8, or can be arranged on the casing surface of the notebook personal computer C as shown in FIG. It is possible and can be implemented in a wide range.

本発明を実施したＵＳＢメモリ装置の平面図である。It is a top view of the USB memory device which implemented this invention. 図１のＵＳＢメモリ装置の斜視図である。FIG. 2 is a perspective view of the USB memory device of FIG. 1. 図１のＵＳＢメモリ装置の横断面図である。FIG. 2 is a cross-sectional view of the USB memory device of FIG. 1. 本発明の機能を説明するための平面図である。It is a top view for demonstrating the function of this invention. 本発明の機能を説明するための縦断面図である。It is a longitudinal cross-sectional view for demonstrating the function of this invention. 本発明の機能を説明するための縦断面図である。It is a longitudinal cross-sectional view for demonstrating the function of this invention. 本発明の機能を説明するための横断面図である。It is a cross-sectional view for demonstrating the function of this invention. 本発明を携帯電話機に実施した状態の斜視図である。It is a perspective view of the state which implemented this invention in the mobile telephone. 本発明をノート型パソコンに実施した状態の斜視図である。It is a perspective view of the state which carried out the present invention to a notebook type personal computer. 従来のＵＳＢメモリ装置の斜視図である。It is a perspective view of the conventional USB memory device. 従来のＵＳＢメモリ装置の不具合を説明する図である。It is a figure explaining the malfunction of the conventional USB memory device.

符号の説明Explanation of symbols

Ａ・・・・・・ＵＳＢメモリ装置
Ｂ・・・・・・携帯電話機
Ｃ・・・・・・ノート型パソコン
１・・・・・・コネクタ
２・・・・・・指紋認証機能部
３ａ・・・・・指先凹陥部
３ｂ・・・・・指腹凹陥部
４・・・・・・指紋センサー
５・・・・・・ラバーダンパー A ... USB memory device B ... Mobile phone C ... Notebook PC 1 ... Connector 2 ... Fingerprint authentication function unit 3a ... ··· Fingertip recess 3b ··· Finger belly recess 4 ··· Fingerprint sensor 5 ··· Rubber damper

Claims (3)

指紋センサー上で指先の指紋部分を摺接して得られる指紋データから本人確認を行うようにした指紋認証機能付き情報機器であり、
筐体の表面に指先の第１関節から前方の形状に相似した指先凹陥部と、第１関節と第２関節の間の形状に一致する指腹凹陥部を形成するとともに、前記第１関節に相当する位置である括れ部に指紋センサーを配置したことを特徴とする指紋認証機能付き情報機器。 It is an information device with a fingerprint authentication function that performs identity verification from fingerprint data obtained by sliding the fingerprint part of the fingertip on the fingerprint sensor.
Formed on the surface of the housing is a fingertip recess similar to the front shape from the first joint of the fingertip, and a finger pad recess corresponding to the shape between the first joint and the second joint, and the first joint An information device with a fingerprint authentication function, characterized in that a fingerprint sensor is arranged at a constricted portion at a corresponding position . 前記凹陥部の前端部および後端部に傾斜面が形成されていることを特徴とする請求項１記載の指紋認証機能付き情報機器。   2. The information device with a fingerprint authentication function according to claim 1, wherein inclined surfaces are formed at a front end portion and a rear end portion of the recessed portion. 前記指紋センサーが弾性支持されていることを特徴とする請求項１記載の指紋認証機能付き情報機器。   The information device with a fingerprint authentication function according to claim 1, wherein the fingerprint sensor is elastically supported.
JP2006245740A 2006-09-11 2006-09-11 Information device with fingerprint authentication function Expired - Fee Related JP4613900B2 (en)

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JP5293750B2 (en) * 2009-01-28 2013-09-18 富士通株式会社 Fingerprint reader and electronic device
JP2012238186A (en) * 2011-05-12 2012-12-06 Dainippon Printing Co Ltd Portable storage device
JP5299530B2 (en) * 2012-01-27 2013-09-25 富士通株式会社 Fingerprint reader, information processing device

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JP2005278170A (en) * 2003-12-19 2005-10-06 Fujitsu Ltd Information processing apparatus
JP2006107366A (en) * 2004-10-08 2006-04-20 Fujitsu Ltd Living body information input device, living body authentication device, living body information processing method, living body information processing program and computer readable recording medium with the program recorded thereon

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JPS61175868A (en) * 1985-01-31 1986-08-07 Mitsubishi Electric Corp Fingerprint discriminating device

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Publication number Priority date Publication date Assignee Title
WO2005024706A1 (en) * 2003-09-11 2005-03-17 Philips Intellectual Property & Standards Gmbh Fingerprint detection using sweep-type imager with optoelectronic speed sensor
JP2005278170A (en) * 2003-12-19 2005-10-06 Fujitsu Ltd Information processing apparatus
JP2005230124A (en) * 2004-02-17 2005-09-02 Hitachi Ltd Blood-sugar level measuring apparatus
JP2006107366A (en) * 2004-10-08 2006-04-20 Fujitsu Ltd Living body information input device, living body authentication device, living body information processing method, living body information processing program and computer readable recording medium with the program recorded thereon

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