JP2002298128A - Fingerprint measuring device - Google Patents
Fingerprint measuring deviceInfo
- Publication number
- JP2002298128A JP2002298128A JP2001104336A JP2001104336A JP2002298128A JP 2002298128 A JP2002298128 A JP 2002298128A JP 2001104336 A JP2001104336 A JP 2001104336A JP 2001104336 A JP2001104336 A JP 2001104336A JP 2002298128 A JP2002298128 A JP 2002298128A
- Authority
- JP
- Japan
- Prior art keywords
- fingerprint
- unit
- housing
- measurement device
- finger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Image Input (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、指の指紋を照合す
るなどのために指の指紋の紋様を取り込む指紋測定装置
に関する。[0001] 1. Field of the Invention [0002] The present invention relates to a fingerprint measurement device for capturing a fingerprint pattern of a finger for collating the fingerprint of the finger.
【０００２】[0002]
【従来の技術】情報化社会の進展と現代社会の環境にお
いて、セキュリティ技術への関心が高まっている。例え
ば、情報化社会では、電子現金化などのシステム構築の
ための本人認証技術が、重要なかぎとなってきる。ま
た、盗難やカードの不正使用を防止する対策のための認
証技術についても研究開発が活発になっているのが実情
である（例えば、清水良真他、個人認証付き機能付きＩ
Ｃカードに関する一検討、信学技報、Technical report
of IEICE,OFS92-32,p25-30(1992)）。2. Description of the Related Art In the progress of the information society and the environment of the modern society, interest in security technology is increasing. For example, in the information-oriented society, personal authentication technology for system construction such as electronic cash becomes an important key. In fact, research and development of authentication technologies for preventing theft and unauthorized use of cards are being actively conducted (for example, Yoshimasa Shimizu et al.
Examination about C card, IEICE technical report, Technical report
of IEICE, OFS92-32, p25-30 (1992)).
【０００３】このような、不正使用防御策のための認証
方式には、指紋や声紋などを利用したものが種々ある
が、中でも、指紋認証技術については、これまで多くの
技術開発がなされている。指紋認証においては、指紋の
像を入力することができる指紋測定装置と、指紋測定装
置が取り込んだ指紋像と登録済みの特徴情報とを照合す
る照合装置とが必要となる。[0003] There are various authentication methods using fingerprints and voice prints as such authentication methods for preventing unauthorized use. Among them, many fingerprint authentication technologies have been developed. . In fingerprint authentication, a fingerprint measuring device capable of inputting a fingerprint image and a collating device for collating a fingerprint image captured by the fingerprint measuring device with registered feature information are required.
【０００４】指紋測定装置は、図６（ａ），（ｂ）に示
すように、指紋画像を取り込む指紋センサチップ６０１
を、上板６０２に配置した構成となっている。センサチ
ップ６０１の位置に合わせて指６０４をセンサチップ６
０１上に置き、置いた指６０４の指紋画像を指紋センサ
チップ６０１により測定する。このようにして測定して
得られた指紋の画像は、図７に示すように得られる。こ
のように画像として得られる指紋は、特に指紋模様にお
ける対称性の中心７０１近傍の形状が各人毎に大きく異
なっている。このため、得られる指紋画像の領域のほぼ
中央に、中心７０１が配置されるようにすると、指紋照
合の精度を向上させることができる。[0006] As shown in FIGS. 6A and 6B, a fingerprint measuring device is a fingerprint sensor chip 601 for capturing a fingerprint image.
Are arranged on the upper plate 602. The finger 604 is moved to the sensor chip 6 in accordance with the position of the sensor chip 601.
01 and the fingerprint image of the placed finger 604 is measured by the fingerprint sensor chip 601. The fingerprint image obtained by the measurement in this manner is obtained as shown in FIG. In the fingerprint obtained as an image in this way, the shape in the vicinity of the center 701 of symmetry in the fingerprint pattern is greatly different from person to person. For this reason, if the center 701 is arranged substantially at the center of the region of the obtained fingerprint image, the accuracy of fingerprint collation can be improved.
【０００５】[0005]
【発明が解決しようとする課題】ところが、図６に示し
た指紋測定装置では、小型化を図るためやセンサチップ
６０１のコストを低減するためなどにより、センサチッ
プ６０１を７〜８ｍｍ角程度と小さいものとしている。
このため、指紋照合精度の向上を図るためには、位置ず
れの許容範囲をあまり大きくできない。しかしながら、
小さなセンサチップは、指を置くと隠れてしまうため、
従来では、利用者にはセンサチップと指との位置関係を
把握することが非常に困難であった。また、従来では、
指の置く位置がずれていることに起因して認証ができな
い場合でも、これを利用者が認知することができなかっ
た。However, in the fingerprint measuring apparatus shown in FIG. 6, the sensor chip 601 is made as small as about 7 to 8 mm square in order to reduce the size and cost of the sensor chip 601. It is assumed.
For this reason, in order to improve the fingerprint collation accuracy, the allowable range of the positional deviation cannot be made too large. However,
The small sensor chip hides when you put your finger on it,
Conventionally, it has been very difficult for a user to grasp the positional relationship between the sensor chip and the finger. Conventionally,
Even if authentication cannot be performed due to the misplaced position of the finger, the user cannot recognize this.
【０００６】したがって、従来では、小さなセンサチッ
プに対して、許容誤差以内で指を配置することが難し
く、指紋照合精度を確保しにくい状態であった。本発明
は、以上のような問題点を解消するためになされたもの
であり、指紋照合精度をより容易に確保できるようにす
ることを目的とする。Therefore, conventionally, it was difficult to arrange a finger within a small error with respect to a small sensor chip, and it was difficult to secure fingerprint matching accuracy. The present invention has been made to solve the above problems, and has as its object to make it possible to more easily ensure the accuracy of fingerprint collation.
【０００７】[0007]
【課題を解決するための手段】本発明の指紋測定装置
は、筐体上部に配置され指紋の紋様を画像データとして
読み取る指紋測定部と、この指紋測定部を人間の指先の
面積より小さい範囲で囲うように筐体上部に配置された
枠状のガイドとを備えたものである。この発明によれ
ば、指を指紋測定部上部に載置すると、ガイドが指に接
触する。According to the present invention, there is provided a fingerprint measuring device which is arranged at an upper portion of a housing and reads a fingerprint pattern as image data. And a frame-shaped guide arranged at the top of the housing so as to surround it. According to the present invention, when the finger is placed on the upper part of the fingerprint measurement unit, the guide comes into contact with the finger.
【０００８】本発明の他の形態の指紋測定装置は、筐体
上部に配置され指紋の紋様を画像データとして読み取る
指紋測定部と、この指紋測定部を人間の指先の面積より
小さい範囲で囲うように筐体上部に配置された複数の錐
形のガイドとを備えたものである。この発明によれば、
指を指紋測定部上部に載置すると、ガイドが指に接触す
る。According to another aspect of the present invention, there is provided a fingerprint measuring device which is arranged at an upper portion of a housing and reads a fingerprint pattern as image data, and surrounds the fingerprint measuring portion in a range smaller than the area of a human fingertip. And a plurality of conical guides arranged at the top of the housing. According to the invention,
When the finger is placed on the upper part of the fingerprint measurement unit, the guide comes into contact with the finger.
【０００９】本発明の他の形態の指紋測定装置は、筐体
上部に配置され指紋の紋様を画像データとして読み取る
平面視長方形の指紋測定部と、人間の指先より小さい範
囲内で、指紋測定部の中心と４隅を結ぶ各々の直線の延
長線上に配置された錐形のガイドとを備えたものであ
る。この発明によれば、指を指紋測定部上部に載置する
と、ガイドが指に接触する。According to another aspect of the present invention, there is provided a fingerprint measuring unit arranged in an upper part of a housing and reading a fingerprint pattern as image data, and a rectangular-shaped fingerprint measuring unit within a range smaller than a human fingertip. And a conical guide arranged on an extension of each straight line connecting the center of the lens and the four corners. According to the present invention, when the finger is placed on the upper part of the fingerprint measurement unit, the guide comes into contact with the finger.
【００１０】本発明の他の形態の指紋測定装置は、筐体
上部に配置され指紋の紋様を画像データとして読み取る
平面視長方形の指紋測定部と、人間の指先より小さい範
囲内で、指紋測定部の中心と４辺の中点を結ぶ各々の直
線の延長線上に配置された錐形のガイドとを備えたもの
である。この発明によれば、指を指紋測定部上部に載置
すると、ガイドが指に接触する。A fingerprint measuring device according to another embodiment of the present invention includes a fingerprint measuring unit arranged in an upper portion of a housing and reading a fingerprint pattern as image data, and a fingerprint measuring unit within a range smaller than a human fingertip. And a conical guide arranged on an extension of each straight line connecting the center of the center and the midpoint of the four sides. According to the present invention, when the finger is placed on the upper part of the fingerprint measurement unit, the guide comes into contact with the finger.
【００１１】上記発明において、ガイドに指が接触した
ことを検出する接触検出部と、筐体上面に視覚可能に配
置された発光部と、接触手段が接触を検出すると発光部
を点灯させる点灯制御部とを備え、発光部をガイド各々
に対応して設けるようにしても良い。また、前述した発
明において、ガイドは、指紋測定部側の第１の部材と、
指紋測定部とは反対側の第１の材料と熱伝導率が異なる
第２の部材とから構成しても良い。In the above invention, a contact detection unit for detecting that a finger has contacted the guide, a light emitting unit visibly arranged on the upper surface of the housing, and a lighting control for lighting the light emitting unit when the contact means detects the contact. And a light emitting unit may be provided corresponding to each of the guides. In the above-described invention, the guide includes the first member on the fingerprint measurement unit side,
It may be composed of a first material on the opposite side to the fingerprint measurement unit and a second member having a different thermal conductivity.
【００１２】上述した発明において、指紋の紋様データ
が格納されている記憶部と、この記憶部に格納されてい
る指紋の紋様データと指紋測定部が読み取った画像デー
タとを比較照合する比較照合部とを備えたものであり、
指紋測定部と記憶部と比較照合部とは、１つのセンサチ
ップに集積されたものである。In the above-mentioned invention, a storage unit in which fingerprint pattern data is stored, and a comparison / collation unit for comparing and collating the fingerprint pattern data stored in the storage unit with the image data read by the fingerprint measurement unit. And with
The fingerprint measurement unit, the storage unit, and the comparison and collation unit are integrated on one sensor chip.
【００１３】[0013]
【発明の実施の形態】以下、本発明の実施の形態につい
て図を参照して説明する。 ＜実施の形態１＞図１は、本発明の実施の形態における
指紋測定装置の概略的な構成を示す平面図（ａ），断面
図（ｂ），構成図（ｃ）である。本指紋測定装置は、セ
ンサチップ１０１を筐体１０２の上面に配置し、センサ
チップ１０１の周囲の筐体１０２上面に、ガイド１０３
を備えるようにしたものである。センサチップ１０１
は、図１（ｂ）に示すように、指紋測定部１１１，指紋
画像処理部１１２，記憶部１１３，指紋照合部１１４，
制御部１１５を備えている。すなわち、図１の指紋測定
装置は、指紋照合装置である。Embodiments of the present invention will be described below with reference to the drawings. <First Embodiment> FIG. 1 is a plan view (a), a cross-sectional view (b), and a configuration diagram (c) showing a schematic configuration of a fingerprint measurement device according to an embodiment of the present invention. In this fingerprint measurement device, a sensor chip 101 is disposed on an upper surface of a housing 102, and a guide 103 is provided on an upper surface of the housing 102 around the sensor chip 101.
It is provided with. Sensor chip 101
1B, a fingerprint measuring unit 111, a fingerprint image processing unit 112, a storage unit 113, a fingerprint matching unit 114,
The control unit 115 is provided. That is, the fingerprint measurement device in FIG. 1 is a fingerprint collation device.
【００１４】ガイド１０３は、センサチップ１０１周囲
を、人間の指先より小さい範囲内で囲う枠状に形成さ
れ、指１０４をセンサチップ１０１上に配置したとき、
図１（ｃ），（ｄ）に示すように、ガイド１０３先端部
が指１０４に接触する。ガイド１０３の断面は、図１
（ｄ）に拡大して示すように、三角形である。このよう
にガイド１０３を設けることで、利用者が、指１０４を
センサチップ１０１上に置いたときに、指１０４の腹に
ガイド１０３が接触し、利用者は触覚によりこの状態を
認知する。したがって、利用者が、指の触覚によりガイ
ド１０３の形状を認識することで、指１０４とセンサチ
ップ１０１との接触状態を把握しやすくなる。The guide 103 is formed in a frame shape surrounding the sensor chip 101 within a range smaller than a fingertip of a human. When the finger 104 is placed on the sensor chip 101,
As shown in FIGS. 1C and 1D, the tip of the guide 103 contacts the finger 104. The cross section of the guide 103 is shown in FIG.
As shown in an enlarged manner in FIG. By providing the guide 103 in this way, when the user places the finger 104 on the sensor chip 101, the guide 103 comes into contact with the belly of the finger 104, and the user recognizes this state by touch. Therefore, the user can easily recognize the contact state between the finger 104 and the sensor chip 101 by recognizing the shape of the guide 103 by the sense of touch of the finger.
【００１５】このように、指１０４をセンサチップ１０
１上に配置すると、制御部１１５は、指紋測定部１１１
に置かれた指の指紋画像を読み取らせる。指紋測定部１
１１が指紋画像を読み取ると、制御部１１５は、指紋画
像処理部１１２に、読み取った指紋画像に所定の画像処
理を施させる。最後に、制御部１１５は、画像処理を施
した指紋画像と、記憶部１１３に格納されている認識対
象者の指紋画像とを、指紋照合部１１４に比較させ、指
紋の照合を行う。As described above, the finger 104 is
1, the control unit 115 controls the fingerprint measurement unit 111
Read the fingerprint image of the finger placed on the. Fingerprint measurement unit 1
When 11 reads the fingerprint image, control unit 115 causes fingerprint image processing unit 112 to perform predetermined image processing on the read fingerprint image. Lastly, the control unit 115 causes the fingerprint matching unit 114 to compare the fingerprint image subjected to the image processing with the fingerprint image of the recognition target stored in the storage unit 113, and performs fingerprint matching.
【００１６】この実施の形態によれば、前述したよう
に、ガイド１０３により指１０４の配置状態を認識しや
すいものとしているので、利用者は、指紋の中心部分が
ガイド１０３の中央部分に位置させるように指１０４を
配置させることが可能となる。したがって、指紋の中心
部分が指紋測定部１１１の中心部分となるように指１０
４が配置されるようになる。この結果、上述した指紋の
照合精度がより向上するようになる。According to this embodiment, as described above, the arrangement state of the finger 104 can be easily recognized by the guide 103. Therefore, the user places the center of the fingerprint at the center of the guide 103. The finger 104 can be arranged as described above. Therefore, the finger 10 is set so that the center of the fingerprint is the center of the fingerprint measurement unit 111.
4 will be arranged. As a result, the above-described fingerprint collation accuracy is further improved.
【００１７】＜実施の形態２＞上記実施の形態では、枠
状のガイドを設けるようにしたが、これに限るものでは
なく、図２に示すように、例えば円錐状の複数のガイド
２０３を、センサチップ１０１の周囲の筐体１０２上面
に設けるようにしても良い。例えば、図２（ａ）に示す
ように、平面視長方形のセンサチップ１０１の４隅の延
長線上で、かつ、人間の指先より小さい範囲に入るよう
に、ガイド２０３を設けるようにしても良い。<Embodiment 2> In the above embodiment, the frame-shaped guide is provided. However, the present invention is not limited to this. For example, as shown in FIG. It may be provided on the upper surface of the housing 102 around the sensor chip 101. For example, as shown in FIG. 2A, the guide 203 may be provided so as to be on an extension of four corners of the sensor chip 101 having a rectangular shape in a plan view and smaller than a fingertip of a human.
【００１８】また、図２（ｂ）に示すように、センサチ
ップ１０１の中心と４辺の中点を結ぶ各々の直線の延長
線上に、ガイド２０３を設けるようにしても良い。ま
た、図２（ｃ）に示すように、センサチップ１０１の周
囲に、複数のガイド２０３を並べて配置するようにして
も良い。なお、ガイド２０３は円錐に限るものではな
く、四角錐や三角錐また筒状など、上部に隆起した突起
形状になっていれば良い。As shown in FIG. 2B, a guide 203 may be provided on an extension of each straight line connecting the center of the sensor chip 101 and the midpoint of the four sides. Further, as shown in FIG. 2C, a plurality of guides 203 may be arranged side by side around the sensor chip 101. Note that the guide 203 is not limited to a cone, but may be a protrusion protruding upward such as a quadrangular pyramid, a triangular pyramid, or a tube.
【００１９】＜実施の形態３＞また、指がガイドに接触
した状態が、視覚的に認識できるようにしても良い。図
３に示すように、センサチップ１０１の４隅の延長線上
に、円錐状のガイド２０３ａ〜２０３ｄを設け、ガイド
２０３ａ〜２０３ｄの周囲に、ガイド２０３ａ〜２０３
ｄが指に接触すると点灯する発光部２１１ａ〜２１１ｄ
を配置する。図３（ｂ）に示すように、筐体１０２内部
には、ガイド２０３ａ〜２０３ｄが指１０４に接触した
ことを検出する接触検出部２１２が設けられ、接触検出
部２１２ａ〜２１２ｄが接触状態を検出すると、点灯制
御部２１３が発光部２１１ａ〜２１１ｄを点灯状態とす
る。<Third Embodiment> Further, the state in which a finger touches the guide may be visually recognized. As shown in FIG. 3, conical guides 203a to 203d are provided on the extension lines of the four corners of the sensor chip 101, and the guides 203a to 203d are provided around the guides 203a to 203d.
Light emitting units 211a to 211d that light up when d touches a finger
Place. As shown in FIG. 3B, inside the housing 102, a contact detection unit 212 that detects that the guides 203a to 203d have contacted the finger 104 is provided, and the contact detection units 212a to 212d detect the contact state. Then, the lighting control unit 213 turns on the light emitting units 211a to 211d.
【００２０】各発光部２１１ａ〜２１１ｄに対して、各
々接触検出部２１２ａ〜２１２ｄが設けられ、各々一対
一に対応づけられている。例えば、接触検出部２１２ａ
が、ガイド２０３ａに対する指の接触を検出すると、発
光部２１１ａが点灯する。したがって、指を置いたとき
に、発光部２１１ａ〜２１１ｄ全てが点灯すれば、指が
ガイド２０３ａ〜２０３ｄ全てに接触していることとな
る。この結果、利用者にとっては、発光部２１１ａ〜２
１１ｄの点灯状態によって、指の配置状態を把握しやす
くなる。Contact detecting sections 212a to 212d are provided for the light emitting sections 211a to 211d, respectively, and correspond to each other on a one-to-one basis. For example, the contact detection unit 212a
However, when the contact of the finger with the guide 203a is detected, the light emitting unit 211a is turned on. Therefore, if all of the light emitting units 211a to 211d are turned on when the finger is placed, it means that the finger is in contact with all the guides 203a to 203d. As a result, for the user, the light emitting units 211a to 211a
The lighting state of 11d makes it easy to grasp the arrangement state of the finger.
【００２１】＜実施の形態４＞ところで、上述の実施の
形態では、ガイドを同一材料で構成するようにしたが、
これに限るものではなく、ガイドのセンサチップ側とこ
の外側とで材料を異なるものとし、指に対する感触が異
なるようにしても良い。例えば、図４に示すように、セ
ンサチップ１０１周囲に配置する枠状のガイド４０３
を、熱伝導性の良い金属からなる外側部分４０３ａと、
熱伝導性の悪いプラスチックからなる内側部分４０３ｂ
とから構成する。このようにすることで、指が接触した
ときの感触が、利用者により鮮明に知覚できるようにな
る。<Embodiment 4> In the above-described embodiment, the guides are made of the same material.
However, the material is not limited to this, and the material may be different between the sensor chip side of the guide and the outside thereof, so that the feel to the finger may be different. For example, as shown in FIG. 4, a frame-shaped guide 403 arranged around the sensor chip 101
An outer portion 403a made of a metal having good heat conductivity,
Inner part 403b made of plastic with poor thermal conductivity
And By doing so, the feeling when the finger comes into contact can be more clearly perceived by the user.
【００２２】同様に、図５に示すように、筐体１０２上
面のセンサチップ１０１の周囲２〜３ｍｍの枠状の領域
５０３は、熱伝導性の良い金属から構成し、領域５０３
より外側の領域５０４を、熱伝導性の悪いプラスチック
から構成しても良い。このようにすることで、突起状の
部分を設けなくても、領域５０３に指が接触したときの
感触により、前述したガイドを設けた場合と同様の効果
が得られる。Similarly, as shown in FIG. 5, a frame area 503 of 2-3 mm around the sensor chip 101 on the upper surface of the housing 102 is made of a metal having good heat conductivity.
The outer region 504 may be made of plastic having poor heat conductivity. By doing so, the same effect as in the case where the above-described guide is provided can be obtained by the feeling when the finger comes into contact with the region 503 without providing the projecting portion.
【００２３】[0023]
【発明の効果】以上説明したように、本発明によれば、
指紋測定部に対して精度良指を配置できるようになるの
で、指紋照合精度をより容易に確保できるようになると
いうすぐれた効果がある。As described above, according to the present invention,
Since an accurate finger can be arranged with respect to the fingerprint measuring unit, there is an excellent effect that fingerprint matching accuracy can be more easily secured.
【図１】 本発明の実施の形態における指紋測定装置の
構成を示す構成図である。FIG. 1 is a configuration diagram showing a configuration of a fingerprint measurement device according to an embodiment of the present invention.
【図２】 本発明の他の形態における指紋測定装置の概
略的な構成を示す平面図である。FIG. 2 is a plan view illustrating a schematic configuration of a fingerprint measurement device according to another embodiment of the present invention.
【図３】 本発明の他の形態における指紋測定装置の概
略的な構成を示す平面図および構成図である。FIG. 3 is a plan view and a configuration diagram showing a schematic configuration of a fingerprint measurement device according to another embodiment of the present invention.
【図４】 本発明の他の形態における指紋測定装置の概
略的な構成を示す部分断面図である。FIG. 4 is a partial cross-sectional view illustrating a schematic configuration of a fingerprint measurement device according to another embodiment of the present invention.
【図５】 本発明の他の形態における指紋測定装置の概
略的な構成を示す平面図である。FIG. 5 is a plan view illustrating a schematic configuration of a fingerprint measurement device according to another embodiment of the present invention.
【図６】 従来の指紋測定装置の構成を示す平面図およ
び断面図である。FIG. 6 is a plan view and a cross-sectional view illustrating a configuration of a conventional fingerprint measurement device.
【図７】 指紋測定装置で得られた指紋画像の状態を示
す説明図である。FIG. 7 is an explanatory diagram showing a state of a fingerprint image obtained by the fingerprint measurement device.
１０１…センサチップ、１０２…筐体、１０３…ガイ
ド、１０４…指、１１１…指紋測定部、１１２…指紋画
像処理部、１１３…記憶部、１１４…指紋照合部。101: sensor chip, 102: housing, 103: guide, 104: finger, 111: fingerprint measurement unit, 112: fingerprint image processing unit, 113: storage unit, 114: fingerprint collation unit.
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 4C038 FF01 FF05 FG00 FG01 5B047 AA25 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4C038 FF01 FF05 FG00 FG01 5B047 AA25
Claims (8)
ータとして読み取る指紋測定部と、 この指紋測定部を人間の指先の面積より小さい範囲で囲
うように前記筐体上部に配置された枠状のガイドとを備
えたことを特徴とする指紋測定装置。1. A fingerprint measuring unit disposed on an upper part of a housing and reading a fingerprint pattern as image data, and a frame disposed on the upper part of the housing so as to surround the fingerprint measuring unit in a range smaller than the area of a human fingertip. A fingerprint measurement device, comprising:
ータとして読み取る指紋測定部と、 この指紋測定部を人間の指先の面積より小さい範囲で囲
うように前記筐体上部に配置された複数の錐形のガイド
とを備えたことを特徴とする指紋測定装置。2. A fingerprint measuring unit disposed at an upper portion of a housing and reading a fingerprint pattern as image data, and a plurality of fingerprint measuring units disposed at an upper portion of the housing so as to surround the fingerprint measuring unit in a range smaller than the area of a human fingertip. A fingerprint measuring device comprising:
ータとして読み取る平面視長方形の指紋測定部と、 人間の指先より小さい範囲内で、前記指紋測定部の中心
と４隅を結ぶ各々の直線の延長線上に配置された錐形の
ガイドとを備えたことを特徴とする指紋測定装置。3. A fingerprint measuring unit disposed in an upper part of the housing and reading a fingerprint pattern as image data, and a rectangular rectangular shape in a plan view, and each connecting the center and four corners of the fingerprint measuring unit within a range smaller than a human fingertip. A fingerprint measuring device, comprising: a conical guide disposed on a straight extension line.
ータとして読み取る平面視長方形の指紋測定部と、 人間の指先より小さい範囲内で、前記指紋測定部の中心
と４辺の中点を結ぶ各々の直線の延長線上に配置された
錐形のガイドとを備えたことを特徴とする指紋測定装
置。4. A fingerprint measurement unit arranged in an upper part of a housing and reading a fingerprint pattern as image data, and a rectangular shape in a plan view, and a center of the fingerprint measurement unit and a midpoint of four sides within a range smaller than a human fingertip. And a conical guide disposed on an extension of each straight line to be connected.
おいて、 前記ガイドに指が接触したことを検出する接触検出部
と、 前記筐体上面に視覚可能に配置された発光部と、 前記接触手段が接触を検出すると前記発光部を点灯させ
る点灯制御部とを備え、 前記発光部は前記ガイド各々に対応して設けられたこと
を特徴とする指紋測定装置。5. The fingerprint measurement device according to claim 3, wherein a contact detection unit that detects that a finger has contacted the guide, a light emitting unit that is visibly arranged on the top surface of the housing, and the contact. A lighting control unit for turning on the light emitting unit when the unit detects a contact, wherein the light emitting unit is provided corresponding to each of the guides.
おいて、 前記ガイドは、 前記指紋測定部側の第１の部材と、 前記指紋測定部とは反対側の前記第１の材料と熱伝導率
が異なる第２の部材とから構成されたものであることを
特徴とする指紋測定装置。6. The fingerprint measurement device according to claim 1, wherein the guide is configured to conduct heat with the first member on the fingerprint measurement unit side and the first material on the opposite side to the fingerprint measurement unit. A fingerprint measurement device, comprising: a second member having a different ratio.
定装置において、 指紋の紋様データが格納されている記憶部と、 この記憶部に格納されている指紋の紋様データと前記指
紋測定部が読み取った画像データとを比較照合する比較
照合部とを備えたことを特徴とする指紋測定装置。7. The fingerprint measurement device according to claim 1, wherein a storage unit storing fingerprint pattern data, the fingerprint pattern data stored in the storage unit, and the fingerprint. A fingerprint measurement device, comprising: a comparison / collation unit for comparing and collating image data read by the measurement unit.
サチップに集積されたことを特徴とする指紋測定装置。8. The fingerprint measurement device according to claim 7, wherein the fingerprint measurement unit, the storage unit, and the comparison and collation unit are integrated on one sensor chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001104336A JP3893028B2 (en) | 2001-04-03 | 2001-04-03 | Fingerprint measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001104336A JP3893028B2 (en) | 2001-04-03 | 2001-04-03 | Fingerprint measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002298128A true JP2002298128A (en) | 2002-10-11 |
| JP3893028B2 JP3893028B2 (en) | 2007-03-14 |
Family
ID=18957209
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001104336A Expired - Fee Related JP3893028B2 (en) | 2001-04-03 | 2001-04-03 | Fingerprint measuring device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004280277A (en) * | 2003-03-13 | 2004-10-07 | Omron Corp | Imaging device and face authentication device |
| JP2007089941A (en) * | 2005-09-30 | 2007-04-12 | Hitachi Information & Control Solutions Ltd | Finger vein pattern input device |
| US7321760B2 (en) * | 2003-12-19 | 2008-01-22 | Fujitsu Limited | Information processing unit |
| JP2009122729A (en) * | 2007-11-12 | 2009-06-04 | Fujitsu Ltd | GUIDE DEVICE, IMAGING DEVICE, IMAGING SYSTEM, GUIDING METHOD |
| JP2012008985A (en) * | 2010-06-28 | 2012-01-12 | Toshiba Corp | Information processor |
-
2001
- 2001-04-03 JP JP2001104336A patent/JP3893028B2/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004280277A (en) * | 2003-03-13 | 2004-10-07 | Omron Corp | Imaging device and face authentication device |
| US7321758B2 (en) * | 2003-12-19 | 2008-01-22 | Fujitsu Limited | Information processing unit |
| US7321760B2 (en) * | 2003-12-19 | 2008-01-22 | Fujitsu Limited | Information processing unit |
| US7321756B2 (en) * | 2003-12-19 | 2008-01-22 | Fujitsu Limited | Information processing unit |
| US7321759B2 (en) * | 2003-12-19 | 2008-01-22 | Fujitsu Limited | Information processing unit |
| US7321757B2 (en) * | 2003-12-19 | 2008-01-22 | Fujitsu Limited | Information processing unit |
| US7324807B2 (en) * | 2003-12-19 | 2008-01-29 | Fujitsu Limited | Information processing unit |
| US7363023B2 (en) * | 2003-12-19 | 2008-04-22 | Fujitsu Limited | Information processing unit |
| US7623847B2 (en) * | 2003-12-19 | 2009-11-24 | Fujitsu Limited | Information processing unit |
| JP2007089941A (en) * | 2005-09-30 | 2007-04-12 | Hitachi Information & Control Solutions Ltd | Finger vein pattern input device |
| JP2009122729A (en) * | 2007-11-12 | 2009-06-04 | Fujitsu Ltd | GUIDE DEVICE, IMAGING DEVICE, IMAGING SYSTEM, GUIDING METHOD |
| US8326005B2 (en) | 2007-11-12 | 2012-12-04 | Fujitsu Limited | Guide apparatus, image pickup apparatus, image pickup system, and guide method |
| JP2012008985A (en) * | 2010-06-28 | 2012-01-12 | Toshiba Corp | Information processor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3893028B2 (en) | 2007-03-14 |
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