CA971272A - Fingerprint identification system with rotatable grating - Google Patents

Fingerprint identification system with rotatable grating

Info

Publication number
CA971272A
CA971272A CA173,452A CA173452A CA971272A CA 971272 A CA971272 A CA 971272A CA 173452 A CA173452 A CA 173452A CA 971272 A CA971272 A CA 971272A
Authority
CA
Canada
Prior art keywords
fingerprint identification
identification system
rotatable grating
grating
rotatable
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.)
Expired
Application number
CA173,452A
Other languages
English (en)
Other versions
CA173452S (en
Inventor
Donald H. Mcmahon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sperry Corp
Original Assignee
Sperry Rand Corp
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 Sperry Rand Corp filed Critical Sperry Rand Corp
Application granted granted Critical
Publication of CA971272A publication Critical patent/CA971272A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12Fingerprints or palmprints
    • G06V40/1365Matching; Classification
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/88Image 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)
  • Human Computer Interaction (AREA)
  • Image Input (AREA)
  • Collating Specific Patterns (AREA)
CA173,452A 1972-07-27 1973-06-07 Fingerprint identification system with rotatable grating Expired CA971272A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27561972A 1972-07-27 1972-07-27

Publications (1)

Publication Number Publication Date
CA971272A true CA971272A (en) 1975-07-15

Family

ID=23053132

Family Applications (1)

Application Number Title Priority Date Filing Date
CA173,452A Expired CA971272A (en) 1972-07-27 1973-06-07 Fingerprint identification system with rotatable grating

Country Status (5)

Country Link
US (1) US3771129A (pt)
CA (1) CA971272A (pt)
DE (1) DE2338348A1 (pt)
FR (1) FR2195133A1 (pt)
GB (1) GB1397903A (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882462A (en) * 1974-01-30 1975-05-06 Sperry Rand Corp Fingerprint recognition apparatus using non-coherent optical processing
US4088964A (en) * 1975-01-22 1978-05-09 Clow Richard G Multi-mode threshold laser
US4210899A (en) * 1975-06-23 1980-07-01 Fingermatrix, Inc. Fingerprint-based access control and identification apparatus
US4225850A (en) * 1978-11-15 1980-09-30 Rockwell International Corporation Non-fingerprint region indicator
US4541113A (en) * 1983-01-19 1985-09-10 Seufert Wolf D Apparatus and method of line pattern analysis
US5078501A (en) * 1986-10-17 1992-01-07 E. I. Du Pont De Nemours And Company Method and apparatus for optically evaluating the conformance of unknown objects to predetermined characteristics
AU6723090A (en) 1989-11-02 1991-05-31 Tms, Incorporated Non-minutiae automatic fingerprint identification system and methods
US5187748A (en) * 1990-07-21 1993-02-16 Goldstar, Inc. Optical apparatus for fingerprint identification system
US5633947A (en) * 1991-03-21 1997-05-27 Thorn Emi Plc Method and apparatus for fingerprint characterization and recognition using auto correlation pattern
DE69224514T2 (de) * 1992-03-23 1998-06-18 Erland Torbjoern Moelnlycke Sandstroem Verfahren und Vorrichtung zur Erzeugung eines Bildes
DE69407628T2 (de) * 1993-02-01 1998-08-27 Matsushita Electric Ind Co Ltd Wellenleiter-Bildübertragungsvorrichtung und Vorrichtung zur Identifikation von Fingerabdrücken
US5712912A (en) * 1995-07-28 1998-01-27 Mytec Technologies Inc. Method and apparatus for securely handling a personal identification number or cryptographic key using biometric techniques
US5541994A (en) * 1994-09-07 1996-07-30 Mytec Technologies Inc. Fingerprint controlled public key cryptographic system
US5680460A (en) * 1994-09-07 1997-10-21 Mytec Technologies, Inc. Biometric controlled key generation
US5740276A (en) * 1995-07-27 1998-04-14 Mytec Technologies Inc. Holographic method for encrypting and decrypting information using a fingerprint
CA2203212A1 (en) 1997-04-21 1998-10-21 Vijayakumar Bhagavatula Methodology for biometric encryption
US6870946B1 (en) 1998-08-06 2005-03-22 Secugen Corporation Compact optical fingerprint capturing and recognition system
US6381347B1 (en) 1998-11-12 2002-04-30 Secugen High contrast, low distortion optical acquistion system for image capturing
US6782207B1 (en) * 2001-04-27 2004-08-24 Research Foundation Of The University Of Central Florida, Incorpoated Narrow band transmitting-receiving telescope system
CN101295350A (zh) * 2007-04-25 2008-10-29 鸿富锦精密工业(深圳)有限公司 指纹识别装置及便携式电子装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3036153A (en) * 1960-09-02 1962-05-22 Gulton Ind Inc Electro-optical scanning system
NL294542A (pt) * 1962-07-06
US3522437A (en) * 1964-12-03 1970-08-04 Farrington Electronics Inc Reading apparatus for two or more different size type fonts
US3511571A (en) * 1966-02-28 1970-05-12 Hugh Malcolm Ogle Method and apparatus for comparing patterns

Also Published As

Publication number Publication date
DE2338348A1 (de) 1974-02-07
GB1397903A (en) 1975-06-18
FR2195133A1 (pt) 1974-03-01
US3771129A (en) 1973-11-06

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