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KR930022237A - Fingerprint reader - Google Patents

Fingerprint reader Download PDF

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Publication number
KR930022237A
KR930022237A KR1019920006129A KR920006129A KR930022237A KR 930022237 A KR930022237 A KR 930022237A KR 1019920006129 A KR1019920006129 A KR 1019920006129A KR 920006129 A KR920006129 A KR 920006129A KR 930022237 A KR930022237 A KR 930022237A
Authority
KR
South Korea
Prior art keywords
fingerprint
prism
angle
recognition device
contact surface
Prior art date
Application number
KR1019920006129A
Other languages
Korean (ko)
Other versions
KR940007344B1 (en
Inventor
이종익
Original Assignee
이종익
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 이종익 filed Critical 이종익
Priority to KR1019920006129A priority Critical patent/KR940007344B1/en
Publication of KR930022237A publication Critical patent/KR930022237A/en
Application granted granted Critical
Publication of KR940007344B1 publication Critical patent/KR940007344B1/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/88—Image or video recognition using optical means, e.g. reference filters, holographic masks, frequency domain filters or spatial domain filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Image Input (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

본 발명은 지문인식장치에 관한 것으로, 한면은 반투광성면을 갖고 지문접촉면과의 꼭지각θ에 적정 조건의 각도와 프리즘내 입사각, 굴절률에 적정의 식을 설정, 적용시켜서 지문의 형상을 CCD상에 정확하게 수직이 되게 맺히게 함으로서 완벽한 지문형상을 시스템 내부에 전달, 에러를 없애고 프리즘의 일측면에는 지문입력상태를 지문입력자가 확인할 수 있게 거울을 임의의 각도로 설치, 구성한 것이다.The present invention relates to a fingerprint recognition device, wherein one side has a semi-transmissive surface, and a proper expression is set and applied to a vertex angle (θ) with a fingerprint contact surface by applying appropriate expressions to the angle of incidence, the incident angle in the prism, and the refractive index. It is a vertical installation of the mirror at an arbitrary angle so that the fingerprint can be confirmed by the fingerprint inputter on one side of the prism.

Description

지문 인식 장치Fingerprint reader

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제3도는 본 발명 지문인식장치의 광학계의 구성도.3 is a block diagram of an optical system of the fingerprint recognition device of the present invention.

제4도는 본 발명의 지문영상결상 광학계.4 is a fingerprint imaging optical system of the present invention.

제5도는 본 발명 광학계의 상.5 is an image of the optical system of the present invention.

Claims (2)

광원(1) 및 지문접촉면(8')을 갖는 삼각형의 프리즘(8)과 결상렌즈계(9), CCD(10)로 구성된 공지의 지문 인식장치에 있어서; 프리즘(8)의 지문접촉면(8')에 대응되게 반투광성면(8)을 형성함과 동시에 프리즘(8)의 일측에는 상기 반투광성면(8")에서 반사된 상을 입사시키기 위한 거울(11) 및 상의 결상을 위한 렌즈(12) 및 투시창(13)을 구성시킴을 특징으로 하는 지문인식장치.A known fingerprint recognition device comprising a triangular prism 8 having an light source 1 and a fingerprint contact surface 8 ', an imaging lens system 9, and a CCD 10; The translucent surface 8 is formed to correspond to the fingerprint contact surface 8 ′ of the prism 8, and at one side of the prism 8, a mirror for injecting an image reflected from the translucent surface 8 ″ ( 11) and a fingerprint recognition device, characterized in that the lens (12) and the viewing window (13) for forming the image. 제1항에 있어서, 프리즘(8)의 지문접촉면(8')과 반투광성면(8")의 꼭지각θ 의 각도는 하기식의 조건을 만족하도록 구성함을 특징으로 하는 지문인식장치.2. The fingerprint recognition device according to claim 1, wherein the angle of the vertex angle θ of the fingerprint contact surface (8 ') and the translucent surface (8 ") of the prism (8) is configured to satisfy the following condition. (sinθ)≒sin b°. sin c°와 d+e-f≒θ이면서(sin θ) ≒ sin b °. sin c ° and d + e-f ≒ θ 52°〈θ〉72°(C=0, n=굴절률)52 ° <θ> 72 ° (C = 0, n = refractive index) ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920006129A 1992-04-13 1992-04-13 Fingerprint recognition method KR940007344B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920006129A KR940007344B1 (en) 1992-04-13 1992-04-13 Fingerprint recognition method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920006129A KR940007344B1 (en) 1992-04-13 1992-04-13 Fingerprint recognition method

Publications (2)

Publication Number Publication Date
KR930022237A true KR930022237A (en) 1993-11-23
KR940007344B1 KR940007344B1 (en) 1994-08-13

Family

ID=19331703

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920006129A KR940007344B1 (en) 1992-04-13 1992-04-13 Fingerprint recognition method

Country Status (1)

Country Link
KR (1) KR940007344B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010054934A (en) * 1999-12-08 2001-07-02 김승택 Subminiature fingerprint image acquisition module
KR100347269B1 (en) * 1999-08-26 2002-08-07 주식회사 세코닉스 Fingerprint recognition device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100347269B1 (en) * 1999-08-26 2002-08-07 주식회사 세코닉스 Fingerprint recognition device
KR20010054934A (en) * 1999-12-08 2001-07-02 김승택 Subminiature fingerprint image acquisition module

Also Published As

Publication number Publication date
KR940007344B1 (en) 1994-08-13

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