JPH02270087A - Input device for fingerprint collating device - Google Patents
Input device for fingerprint collating deviceInfo
- Publication number
- JPH02270087A JPH02270087A JP1090763A JP9076389A JPH02270087A JP H02270087 A JPH02270087 A JP H02270087A JP 1090763 A JP1090763 A JP 1090763A JP 9076389 A JP9076389 A JP 9076389A JP H02270087 A JPH02270087 A JP H02270087A
- Authority
- JP
- Japan
- Prior art keywords
- fingerprint
- light source
- finger
- light
- detection
- 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
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 238000012795 verification Methods 0.000 claims description 21
- 238000012790 confirmation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001028 reflection method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1365—Matching; Classification
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Collating Specific Patterns (AREA)
- Image Input (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、個人確認を指紋により行う指紋照合装置に係
り、特にその指紋照合装置の入力装置に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a fingerprint collation device that performs personal identification using a fingerprint, and particularly to an input device of the fingerprint collation device.
（従来の技術）
各種のカードの普及に伴って、ＩＣカードもその実用期
に入りつつある。そのＩＣカードを利用する場合、個人
確認を行うために暗証番号を用いるようにしている。と
ころが、暗証番号は忘れ易く、また、他人による盗用の
恐れがあるといった問題があった。(Prior Art) With the spread of various cards, IC cards are also entering the period of practical use. When using the IC card, a personal identification number is used to confirm the identity. However, there are problems in that the PIN number is easy to forget and there is a risk that it may be stolen by someone else.
そこで、近年、暗証番号の代わりにカード利用者の肉体
的特徴を表す指紋情報をＩＣカードに登録し、利用の都
度、端末としての指紋照合装置においてこれを確認する
方式が提案されている。Therefore, in recent years, a method has been proposed in which fingerprint information representing the physical characteristics of the card user is registered in the IC card instead of the personal identification number, and this information is verified by a fingerprint matching device serving as a terminal each time the IC card is used.
その指紋照合装置の構成は、第５図に示すようになって
おり、指２の指紋はプリズム１により光学的に検出され
、その画像はＣＣＤカメラ３を用いて取り込まれ、Ａ／
Ｄ変換器４によりＡ／Ｄ変換後、コンピュータ５内のメ
モリに取り込まれる。The configuration of the fingerprint verification device is as shown in FIG.
After A/D conversion by the D converter 4, the data is taken into the memory in the computer 5.
その指紋はＴＶモニタ６により画像表示することができ
る。The fingerprint can be displayed as an image on the TV monitor 6.
（発明が解決しようとする課題）
しかしながら、従来の指紋照合装置においては、常に装
置に電力が供給され、装置の利用時以外でも利用時と同
程度の電力を消費してしまうといった問題があった。(Problem to be solved by the invention) However, conventional fingerprint verification devices have a problem in that power is always supplied to the device, and the same amount of power is consumed even when the device is not in use as when it is in use. .
そこで、指紋の照合が行われる時のみに指紋照合装置に
電力を供給するためには、指紋照合開始の時点で入力装
置によってそのことを検出する必要があった。Therefore, in order to supply power to the fingerprint verification device only when fingerprint verification is performed, it is necessary to detect this using an input device at the time when fingerprint verification is started.
その検出方法として、手動スイッチやｆｃカードの情報
を読み込むカードリーダ・ライタを用いることが考えら
れるが、その装着性に難があり、Ｉ旨のセットと必ずし
も連動しないため、操作性にも問題があった。As a detection method, it is possible to use a manual switch or a card reader/writer that reads the information of the FC card, but it is difficult to install it, and it does not necessarily work with the setting of I, so there are also problems in operability. there were.
本発明は、上記問題点を除去し、指のセット操作と連動
して、その状態を的確に検出することができる指紋照合
装置の人力装置を提供することを目的とする。SUMMARY OF THE INVENTION An object of the present invention is to eliminate the above-mentioned problems and provide a human-powered device for a fingerprint verification device that can accurately detect the state in conjunction with a finger setting operation.
（課題を解決するための手段）
本発明によれば、上記目的を達成するために、個人確認
を指紋により行う指紋照合装置において、個人確認を行
う人の指のプリズムへのセット状態を検出する検出手段
を設け、該検出手段により出力信号を得るようにしたも
のである。(Means for Solving the Problems) According to the present invention, in order to achieve the above object, in a fingerprint verification device that performs personal identification using a fingerprint, a state in which a finger of a person performing personal identification is set on a prism is detected. A detecting means is provided, and an output signal is obtained by the detecting means.
（作用）
本発明によれば、第１図に示すように、指がプリズム（
１１）上にセットされると、自動的にその状態を検出す
ることができ、的確な検出を行うことができる。(Function) According to the present invention, as shown in FIG.
11) When set above, the state can be automatically detected and accurate detection can be performed.
また、その検出信号を、指紋照合装置（２５）の電力供
給の開始信号として用いることにより、装置の消費電力
量を減少させることができる。Furthermore, by using the detection signal as a signal to start supplying power to the fingerprint matching device (25), the amount of power consumed by the device can be reduced.
（実施例）
以下、本発明の実施例について図面を参照しながら詳細
に説明する。(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings.
第１図は本発明の指紋照合装置の入力装置の構成図、第
２図は本発明の指紋照合装置の給電方式％式％
第１図に示すように、指紋検出用光源１３から照射され
る照射光は、プリズム１１上の指１２の指紋隆線（接触
部）と指紋谷線（非接触部）とで反射状態が異なり、こ
の状態がＣＣＤカメラ１４で画像として採取される。そ
こで、本発明においては、指紋検出用光源１３とは別に
、指１２がプリズム１１ヘセツトされたか否かを検知す
るためのセンサ用光源１５を設けて、これにより光を照
射して、その反射光を受光装置１６で検出する。この検
出信号Ｓｏを後述する主電源２４の入力信号Ｓｔ とし
て用いて、主電源の投入を行うようにする。FIG. 1 is a block diagram of the input device of the fingerprint verification device of the present invention, and FIG. 2 is a power supply system of the fingerprint verification device of the present invention.As shown in FIG. The reflected state of the irradiated light differs between the fingerprint ridges (contact area) and the fingerprint valley lines (non-contact area) of the finger 12 on the prism 11, and this state is captured as an image by the CCD camera 14. Therefore, in the present invention, apart from the fingerprint detection light source 13, a sensor light source 15 for detecting whether or not the finger 12 is set on the prism 11 is provided. is detected by the light receiving device 16. This detection signal So is used as an input signal St of the main power supply 24, which will be described later, to turn on the main power supply.
即ち、第２図において、検出回路２３には電源２１から
副電源２２を経て電力が供給される。一方、指紋照合装
置２５には主電源２４から電力が供給され、指紋照合装
置２５からの帰還信号Ｓ、により、その供給電力を遮断
するように構成されている。That is, in FIG. 2, power is supplied to the detection circuit 23 from the power supply 21 via the sub power supply 22. On the other hand, the fingerprint verification device 25 is supplied with power from the main power source 24, and is configured to cut off the power supply in response to a feedback signal S from the fingerprint verification device 25.
このように、本発明においては、プリズム１１に指がセ
ットされたか否かを自動的に検出することができ、その
検出信号を指紋照合装置の電力供給の開始信号として用
いることができる。As described above, in the present invention, it is possible to automatically detect whether or not a finger is set on the prism 11, and the detection signal can be used as a signal to start supplying power to the fingerprint verification device.
上記した入力装置は操作性が良好であるとともに、指の
セット状態の的確な検出を行うことができる。The input device described above has good operability and can accurately detect the set state of the finger.
第３図は、本発明の他の実施例を示す指紋照合装置の入
力装置の構成図である。FIG. 3 is a configuration diagram of an input device of a fingerprint matching device showing another embodiment of the present invention.
この実施例においては、指紋検出用光源１３から照射さ
れる光の反射を、受光装置１７で検出し、その検出信号
Ｓ０を前記した主電源２４（第２図参照）の入力信号Ｓ
ｉ として用いて、主電源２４（第２図参照）の投入を
行うようにする。In this embodiment, the reflection of light emitted from the fingerprint detection light source 13 is detected by the light receiving device 17, and the detection signal S0 is input to the main power source 24 (see FIG. 2) as an input signal S0.
i to turn on the main power supply 24 (see FIG. 2).
このように構成することにより、第１図に示した実施例
のように、指紋検出用光源１３とセンサ用光源１５の両
方を設ける必要はなくなり、組付性も良く、所要スペー
ス及びコストの低減を図ることができる。With this configuration, unlike the embodiment shown in FIG. 1, there is no need to provide both the fingerprint detection light source 13 and the sensor light source 15, which improves assembly efficiency and reduces space requirements and costs. can be achieved.
第４図は、本発明の更なる他の実施例を示す指紋照合装
置の入力装置の構成図である。FIG. 4 is a configuration diagram of an input device of a fingerprint matching device showing still another embodiment of the present invention.
この実施例においては、指紋検出用光源１３からの照射
される光の反射光を、ＣＯＤカメラ１４で受け、そこか
らの指紋画像情報をインタフェース回路１８を介して、
指１２がセットされたことを検出する信号Ｓ０として取
り出し、主電源２４の入力信号Ｓｉ として用いて、主
電源２４の投入を行うようにする。In this embodiment, the COD camera 14 receives the reflected light emitted from the fingerprint detection light source 13, and the fingerprint image information from there is transmitted through the interface circuit 18.
The signal S0 for detecting that the finger 12 is set is extracted and used as the input signal Si of the main power source 24 to turn on the main power source 24.
このように構成することにより、前記した実施例より更
に簡略化された構成にすることができ、より一層の組付
性の向上、所要スペース及びコストの低減を図ることが
できる。With this configuration, the configuration can be made even simpler than the above-mentioned embodiments, and it is possible to further improve the ease of assembly and reduce the required space and cost.
なお、本発明は、プリズムを用いた全反射法と光分離法
のいずれにも適用できる。Note that the present invention can be applied to both a total reflection method using a prism and a light separation method.
また、本発明は上記実施例に限定されるものではなく、
本発明の趣旨に基づいて種々の変形が可能であり、これ
らを本発明の範囲から排除するものではない。Furthermore, the present invention is not limited to the above embodiments,
Various modifications are possible based on the spirit of the present invention, and these are not excluded from the scope of the present invention.
（発明の効果）
以上、詳細に説明したように、本発明によれば、次のよ
うな効果を奏することができる。(Effects of the Invention) As described above in detail, according to the present invention, the following effects can be achieved.
（１）指が入力部にセットされると、自動的にその状態
を検出することができ、的確な検出を行うことができる
。(1) When a finger is set on the input section, its state can be automatically detected, and accurate detection can be performed.
また、その検出信号を指紋照合装置の電力供給の開始信
号として用いることにより、装置の消費電力量の低減を
図ることができる。Furthermore, by using the detection signal as a signal to start supplying power to the fingerprint matching device, it is possible to reduce the amount of power consumed by the device.
（２）指紋照合装置の発熱を減少させることができ、装
置の小型化が可能になる。(2) It is possible to reduce the heat generation of the fingerprint identification device, and it is possible to downsize the device.
第１図は本発明の指紋照合装置の入力装置の構成図、第
２図は本発明の指紋照合装置の給電方式を示す図、第３
図は本発明の他の実施例を示す指紋照合装置の入力装置
の構成図、第４図は本発明の更なる他の実施例を示す指
紋照合装置の入力装置の構成図、第５図は従来の指紋照
合装置の構成図である。
１１・・・プリズム、１２・・・指、１３・・・指紋検
出用光源、１４・・・ＣＣＤカメラ、１５・・・センサ
用光源、１６．１７・・・受光装置、１８・・・インタ
フェース回路、２１・・・電源、２２・・・副電源、２
３・・・検出回路、２４・・・主電源、２５・・・指紋
照合装置。
特許出願人 沖電気工業株式会社
代理人 弁理士 清 水 守（外１名）第１図
第３図
第４図FIG. 1 is a configuration diagram of the input device of the fingerprint verification device of the present invention, FIG. 2 is a diagram showing the power supply system of the fingerprint verification device of the present invention, and FIG.
FIG. 4 is a configuration diagram of an input device of a fingerprint verification device showing another embodiment of the present invention, FIG. 4 is a configuration diagram of an input device of a fingerprint verification device showing still another embodiment of the invention, and FIG. FIG. 1 is a configuration diagram of a conventional fingerprint verification device. 11... Prism, 12... Finger, 13... Light source for fingerprint detection, 14... CCD camera, 15... Light source for sensor, 16.17... Light receiving device, 18... Interface Circuit, 21... Power supply, 22... Sub-power supply, 2
3...Detection circuit, 24...Main power supply, 25...Fingerprint verification device. Patent applicant Oki Electric Industry Co., Ltd. Agent Patent attorney Mamoru Shimizu (1 other person) Figure 1 Figure 3 Figure 4
Claims (4)
、 個人確認を行う人の指のプリズムへのセット状態を検出
する検出手段を設け、該検出手段により出力信号を得る
ようにしたことを特徴とする指紋照合装置の入力装置。(1) A fingerprint verification device that performs personal identification using a fingerprint is characterized in that a detection means is provided to detect the state in which the finger of the person performing personal identification is set on a prism, and an output signal is obtained by the detection means. An input device for a fingerprint verification device.
を受ける受光装置を具備する請求項１記載の指紋照合装
置の入力装置。(2) The input device for a fingerprint verification device according to claim 1, wherein the detection means includes a detection light source and a light receiving device that receives light from the light source.
の光を受ける受光装置とを具備する請求項１記載の指紋
照合装置の入力装置。(3) The input device for a fingerprint matching device according to claim 1, wherein the detection means comprises a fingerprint detection light source and a light receiving device that receives light from the light source.
の光を受ける指紋検出用受光装置と、該受光装置からの
出力信号を入力信号に取り込むインタフェース回路とを
具備する請求項１記載の指紋照合装置の入力装置。(4) The detection means comprises a fingerprint detection light source, a fingerprint detection light receiving device that receives light from the light source, and an interface circuit that takes in an output signal from the light receiving device as an input signal. input device for the fingerprint identification device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1090763A JPH02270087A (en) | 1989-04-12 | 1989-04-12 | Input device for fingerprint collating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1090763A JPH02270087A (en) | 1989-04-12 | 1989-04-12 | Input device for fingerprint collating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02270087A true JPH02270087A (en) | 1990-11-05 |
Family
ID=14007646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1090763A Pending JPH02270087A (en) | 1989-04-12 | 1989-04-12 | Input device for fingerprint collating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02270087A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5623553A (en) * | 1993-06-21 | 1997-04-22 | Asahi Kogaku Kogyo Kabushiki Kaisha | High contrast fingerprint image detector |
-
1989
- 1989-04-12 JP JP1090763A patent/JPH02270087A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5623553A (en) * | 1993-06-21 | 1997-04-22 | Asahi Kogaku Kogyo Kabushiki Kaisha | High contrast fingerprint image detector |
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