JPH11306323A - Input device for personal identification device - Google Patents
Input device for personal identification deviceInfo
- Publication number
- JPH11306323A JPH11306323A JP10113845A JP11384598A JPH11306323A JP H11306323 A JPH11306323 A JP H11306323A JP 10113845 A JP10113845 A JP 10113845A JP 11384598 A JP11384598 A JP 11384598A JP H11306323 A JPH11306323 A JP H11306323A
- Authority
- JP
- Japan
- Prior art keywords
- prism
- visitor
- image
- fingerprint
- personal identification
- 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.)
- Pending
Links
Landscapes
- Image Input (AREA)
- Collating Specific Patterns (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は指紋情報により個
人を識別する装置に指紋情報を入力する装置に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for inputting fingerprint information to a device for identifying an individual based on fingerprint information.
【０００２】[0002]
【従来の技術】図２は例えば特開昭５５−１３４４６号
公報に示された従来の個人識別装置の入力装置を示す構
成図である。この装置は、全反射方式を利用したプリズ
ムを用いた入力装置であり、広く使用されている。すな
わち、訪問者は登録済みの指紋のある指８をプリズム３
の斜面３ｂの上に置く。2. Description of the Related Art FIG. 2 is a block diagram showing an input device of a conventional personal identification device disclosed in, for example, Japanese Patent Application Laid-Open No. 55-13446. This device is an input device using a prism using a total reflection method, and is widely used. That is, the visitor places the finger 8 with the registered fingerprint on the prism 3
On the slope 3b.
【０００３】ここで、光源７とプリズム３による全反射
／非全反射光により、指紋の凹凸部が強調され、ＩＴＶ
カメラ２により指紋画像が撮像される。その後、画像処
理が行われ、登録済み指紋情報と比較・照合されてその
結果により、訪問者が識別される。同時に、別のＩＴＶ
カメラ９により訪問者の顔を撮像し、だれが訪問したの
かを確認できるようにしている。Here, the irregularities of the fingerprint are emphasized by the total reflection / non-total reflection light from the light source 7 and the prism 3, and the ITV
The camera 2 captures a fingerprint image. Thereafter, image processing is performed, compared with and registered with the registered fingerprint information, and the visitor is identified based on the result. At the same time, another ITV
The camera 9 captures an image of the visitor's face so that it is possible to confirm who has visited.
【０００４】[0004]
【発明が解決しようとする課題】上記のような従来の個
人識別装置の入力装置では、訪問者の確認用として、指
紋画像入力用のＩＴＶカメラ２とは別に、訪問者の顔を
撮像するＩＴＶカメラ９を設置しているため、装置が高
価になるという問題点がある。In the input device of the conventional personal identification device as described above, an ITV for imaging a visitor's face separately from the ITV camera 2 for inputting a fingerprint image for confirming the visitor. Since the camera 9 is installed, there is a problem that the apparatus becomes expensive.
【０００５】この発明は上記問題点を解消するためにな
されたもので、訪問者撮像用のカメラを用いることな
く、訪問者の撮像ができ、かつ高精度の個人識別ができ
るようにした個人識別装置の入力装置を提供することを
目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has a personal identification device capable of imaging a visitor without using a camera for imaging the visitor and capable of performing highly accurate individual identification. It is an object to provide an input device of the device.
【０００６】[0006]
【課題を解決するための手段】この発明の第１発明に係
る個人識別装置の入力装置は、撮像装置の前にプリズム
を配置し、このプリズムを回動させるようにしたもので
ある。The input device of the personal identification device according to the first invention of the present invention is such that a prism is arranged in front of an image pickup device and the prism is rotated.
【０００７】また、第２発明に係る個人識別装置の入力
装置は、第１発明のものにおいて、プリズムが指紋取得
位置に回動したことを検出するようにしたものである。The input device of the personal identification device according to the second invention is the same as the input device of the first invention, wherein the input device detects that the prism has turned to the fingerprint acquisition position.
【０００８】また、第３発明に係る個人識別装置の入力
装置は、第１又は第２発明のものにおいて、直角三角柱
状のプリズムをばね力で常時その斜面を鉛直面に保持
し、指により押されると、斜面の下辺を軸として回動す
るように構成したものである。According to a third aspect of the present invention, there is provided the input device of the personal identification device according to the first or second aspect, wherein the right-angled triangular prism is constantly held on a vertical surface by a spring force and pressed by a finger. Then, it is configured to rotate about the lower side of the slope as an axis.
【０００９】[0009]
【発明の実施の形態】実施の形態１．図１はこの発明の
第１〜第３発明の一実施の形態を示す図で、図１は訪問
者撮像状態を示す構成図で、（Ａ）は顔撮像時、（Ｂ）
は指紋撮像時を示す。図中同一符号は同一部分を示す。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 is a diagram showing one embodiment of the first to third inventions of the present invention. FIG. 1 is a configuration diagram showing a state of image capturing a visitor, (A) when a face is imaged, and (B)
Indicates the time of fingerprint imaging. The same reference numerals in the drawings indicate the same parts.
【００１０】図において、１は訪問者、２はＩＴＶカメ
ラで、３は下辺３ａを軸として図の反時計方向へ回動可
能な二等辺直角三角柱状のプリズムで、常時その斜面３
ｂは鉛直面となっている。４はプリズム３の回動を円滑
に案内する案内面、５はプリズム３を図１（Ａ）の位置
に復帰させる引張ばね、６はプリズム３が図１（Ｂ）の
位置に回動したとき動作する回動検出スイッチ、７はプ
リズム３の下方に配置された光源、８は訪問者１の指で
ある。In the figure, 1 is a visitor, 2 is an ITV camera, 3 is an isosceles right-angled triangular prism that can rotate counterclockwise about the lower side 3a, and its inclined surface 3 is always on.
b is vertical. 4 is a guide surface for smoothly guiding the rotation of the prism 3, 5 is a tension spring for returning the prism 3 to the position of FIG. 1A, and 6 is when the prism 3 is rotated to the position of FIG. An operating rotation detection switch, 7 is a light source disposed below the prism 3, and 8 is a finger of the visitor 1.
【００１１】次に、この実施の形態の動作を説明する。
常時、プリズム３は引張ばね５によってその位置が定め
られ、図１（Ａ）に示すように斜面３ｂは鉛直面となっ
ている。訪問者１がプリズム３の前に来ると、プリズム
３は通常の透明ガラスとして作用し、ＩＴＶカメラ２は
例えば訪問者１の顔を撮像し、だれが訪問したのかを確
認することができる。Next, the operation of this embodiment will be described.
At all times, the position of the prism 3 is determined by the tension spring 5, and the inclined surface 3b is in a vertical plane as shown in FIG. When the visitor 1 comes in front of the prism 3, the prism 3 acts as a normal transparent glass, and the ITV camera 2 can image the face of the visitor 1, for example, to confirm who has visited.
【００１２】ここで、訪問者１は登録済みの指紋のある
指８をプリズム３の斜面３ｂに当て、プリズム３を押す
と、プリズム３は引張ばね５の力に打ち勝って、下辺３
ａを軸として回動して図（Ｂ）に示す位置に来る。これ
で、光源７とプリズム３による全反射／非全反射光によ
り、指紋の凹凸が強調された指紋画像をＩＴＶカメラ２
により得ることができる。これを周知の手段により画像
処理し、登録済みの指紋情報と比較・照合して訪問者１
が識別される。Here, the visitor 1 touches the finger 8 with the registered fingerprint on the inclined surface 3b of the prism 3 and presses the prism 3, and the prism 3 overcomes the force of the tension spring 5 and
It turns around the axis a and comes to the position shown in FIG. Thus, the fingerprint image in which the unevenness of the fingerprint is emphasized by the total reflection / non-total reflection light by the light source 7 and the prism 3 is displayed on the ITV camera 2.
Can be obtained by This is subjected to image processing by a known means, and is compared / collated with the registered fingerprint information to make the visitor 1
Is identified.
【００１３】次に、指８をプリズム３から離すと、プリ
ズム３は引張ばね５の力により、図１（Ａ）の位置に復
帰し、再びＩＴＶカメラ２は訪問者１の顔画像を撮像
し、訪問者１の確認が可能となる。また、指８は引張ば
ね５の力に打ち勝つ力でプリズム３を回動させるため、
指８とプリズム３の斜面が密着し、最適な指紋画像が得
られる。この最適な指紋画像が得られるタイミングは、
回動検出スイッチ６がオンするタイミングにより検出で
きる。Next, when the finger 8 is released from the prism 3, the prism 3 returns to the position shown in FIG. 1A by the force of the tension spring 5, and the ITV camera 2 again captures the face image of the visitor 1. , The visitor 1 can be confirmed. Also, since the finger 8 rotates the prism 3 with a force that overcomes the force of the tension spring 5,
The finger 8 and the slope of the prism 3 are in close contact with each other, and an optimal fingerprint image is obtained. The timing to obtain this optimal fingerprint image is
It can be detected by the timing at which the rotation detection switch 6 is turned on.
【００１４】[0014]
【発明の効果】以上説明したとおりこの発明の第１発明
では、撮像装置の前にプリズムを配置し、このプリズム
を回動させるようにしたので、指紋の撮像装置と顔の撮
像装置が共用でき、装置を安価に構成することができ
る。As described above, according to the first aspect of the present invention, since the prism is arranged in front of the image pickup device and the prism is rotated, the fingerprint image pickup device and the face image pickup device can be shared. Thus, the apparatus can be configured at low cost.
【００１５】また、第２発明では、プリズムが指紋取得
位置に回動したことを検出するようにしたので、最適な
指紋画像が得られるタイミングを把握することができ
る。Further, in the second invention, since the rotation of the prism to the fingerprint acquisition position is detected, it is possible to grasp the timing at which an optimal fingerprint image is obtained.
【００１６】また、第３発明では、直角三角柱状のプリ
ズムをばね力で常時その斜面を鉛直面に保持し、指によ
り押されると、斜面の下辺を軸として回動するようにし
たので、指とプリズムが密着し、最適な指紋画像が得ら
れ、その後の指紋の照合精度を向上することができる。In the third aspect of the present invention, the right triangular prism is always held on a vertical surface by a spring force, and when pressed by a finger, the prism rotates about the lower side of the slope as an axis. And the prism are brought into close contact with each other, so that an optimal fingerprint image can be obtained, and the accuracy of subsequent fingerprint collation can be improved.
【図面の簡単な説明】[Brief description of the drawings]
【図１】 この発明の実施の形態１を示す訪問者撮像状
態説明用の構成図で、（Ａ）は顔撮像時、（Ｂ）は指紋
撮像時。FIG. 1 is a configuration diagram for explaining a visitor imaging state according to a first embodiment of the present invention, where (A) is for capturing a face and (B) is for capturing a fingerprint.
【図２】 従来の個人識別装置の入力装置を示す構成
図。FIG. 2 is a configuration diagram showing an input device of a conventional personal identification device.
１ 訪問者、２ 撮像装置（ＩＴＶカメラ）、３ プリ
ズム、３ａ プリズムの下辺、３ｂ プリズムの斜面、
５ 引張ばね、６ 回動検出スイッチ、８ 指。1 visitor, 2 imaging device (ITV camera), 3 prism, 3a prism lower side, 3b prism slope,
5 Extension spring, 6 Rotation detection switch, 8 fingers.
【選択図】 図１[Selection diagram] Fig. 1
Claims (3)
れ指を接触させるプリズムと、このプリズムを回動させ
る回動機構とを備えてなる個人識別装置の入力装置。1. An input device for a personal identification device, comprising: an imaging device; a prism disposed in front of the imaging device for contacting a finger; and a rotating mechanism for rotating the prism.
を検出する回動検出スイッチを設けたことを特徴とする
請求項１記載の個人識別装置の入力装置。2. The input device according to claim 1, further comprising a rotation detection switch for detecting that the prism has been rotated to the fingerprint acquisition position.
その斜面を鉛直面に保持し、指により押されると上記ば
ね力に打ち勝って上記斜面の下辺を軸として回動するよ
うに構成したことを特徴とする請求項１又は請求項２記
載の個人識別装置の入力装置。3. The right-angled triangular prism is configured to always hold its slope on a vertical surface with a spring force, and when pressed by a finger, overcomes the spring force and rotates around the lower side of the slope as an axis. The input device of the personal identification device according to claim 1 or 2, wherein
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10113845A JPH11306323A (en) | 1998-04-23 | 1998-04-23 | Input device for personal identification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10113845A JPH11306323A (en) | 1998-04-23 | 1998-04-23 | Input device for personal identification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11306323A true JPH11306323A (en) | 1999-11-05 |
Family
ID=14622508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10113845A Pending JPH11306323A (en) | 1998-04-23 | 1998-04-23 | Input device for personal identification device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11306323A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100383012B1 (en) * | 2000-05-16 | 2003-05-09 | 주식회사 엔지티 | Apparatus and method for controling a secure door using fingerprint recognition and face detection |
| US9054875B2 (en) | 2010-12-17 | 2015-06-09 | Fujitsu Limited | Biometric authentication apparatus, biometric authentication method, and biometric authentication computer program |
-
1998
- 1998-04-23 JP JP10113845A patent/JPH11306323A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100383012B1 (en) * | 2000-05-16 | 2003-05-09 | 주식회사 엔지티 | Apparatus and method for controling a secure door using fingerprint recognition and face detection |
| US9054875B2 (en) | 2010-12-17 | 2015-06-09 | Fujitsu Limited | Biometric authentication apparatus, biometric authentication method, and biometric authentication computer program |
| JP5799960B2 (en) * | 2010-12-17 | 2015-10-28 | 富士通株式会社 | Biometric authentication apparatus, biometric authentication method, and biometric authentication computer program |
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