CA971272A - Fingerprint identification system with rotatable grating - Google Patents
Fingerprint identification system with rotatable gratingInfo
- 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
Links
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
-
- 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)
- Human Computer Interaction (AREA)
- Image Input (AREA)
- Collating Specific Patterns (AREA)
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)
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)
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 |
-
1972
- 1972-07-27 US US00275619A patent/US3771129A/en not_active Expired - Lifetime
-
1973
- 1973-06-07 CA CA173,452A patent/CA971272A/en not_active Expired
- 1973-07-20 GB GB3460873A patent/GB1397903A/en not_active Expired
- 1973-07-26 FR FR7327362A patent/FR2195133A1/fr not_active Withdrawn
- 1973-07-27 DE DE19732338348 patent/DE2338348A1/de active Pending
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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