Bahuguna et al., 1996 - Google Patents
Holographic fingerprint sensorBahuguna et al., 1996
- Document ID
- 15742083655429163590
- Author
- Bahuguna R
- Corboline T
- Publication year
- Publication venue
- Current Developments in Optical Design and Engineering VI
External Links
Snippet
of a finger. Caulfield et. al. used a prism sensor based on this principle in their Page 1
Holographic fingerprint sensor RD Bahuguna and Tom Corboline San Jose State University,
Department of Physics One Washington Square, San Jose CA 95192-0106 ABSTRACT A prism …
- 239000011148 porous material 0 abstract description 2
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING; COUNTING
- G06K—RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K9/00—Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
- G06K9/00006—Acquiring or recognising fingerprints or palmprints
- G06K9/00013—Image acquisition
- G06K9/00046—Image acquisition by using geometrical optics, e.g. using prisms
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING; COUNTING
- G06K—RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
- G02B5/045—Prism arrays
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