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Einighammer
Hans Einighammer, Duesseldorf DE
| Patent application number | Description | Published |
|---|---|---|
| 20090310827 | Method and device for recognition of natural skin - The invention relates to a method for the recognition of natural skin ( | 12-17-2009 |
| 20120033063 | Method and device for recognition of natural skin during contact-free biometric identification of a person - A contact-free biometric identification apparatus includes a housing, a first light-emitting diode (LED) positioned in the housing having a first predetermined wavelength to illuminate a portion of skin, a second LED positioned in the housing having a second predetermined wavelength to illuminate the portion of skin, an irradiation location outside of the housing and defined by illumination from the first and second LED on the portion of skin, a detector at a predetermined position in the housing for detecting a fraction of the first and second LED light scattered from the irradiation. location and a processing unit that employs a scatter function to determine the presence of live skin based on a correspondence of the detected light to stored data of optical properties of skin. | 02-09-2012 |
Isabelle Einighammer, Tubingen DE
| Patent application number | Description | Published |
|---|---|---|
| 20090310827 | Method and device for recognition of natural skin - The invention relates to a method for the recognition of natural skin ( | 12-17-2009 |
Isabelle Einighammer, Tuebingen DE
| Patent application number | Description | Published |
|---|---|---|
| 20120033063 | Method and device for recognition of natural skin during contact-free biometric identification of a person - A contact-free biometric identification apparatus includes a housing, a first light-emitting diode (LED) positioned in the housing having a first predetermined wavelength to illuminate a portion of skin, a second LED positioned in the housing having a second predetermined wavelength to illuminate the portion of skin, an irradiation location outside of the housing and defined by illumination from the first and second LED on the portion of skin, a detector at a predetermined position in the housing for detecting a fraction of the first and second LED light scattered from the irradiation. location and a processing unit that employs a scatter function to determine the presence of live skin based on a correspondence of the detected light to stored data of optical properties of skin. | 02-09-2012 |
Jens Einighammer, Starzach DE
| Patent application number | Description | Published |
|---|---|---|
| 20090310827 | Method and device for recognition of natural skin - The invention relates to a method for the recognition of natural skin ( | 12-17-2009 |
| 20120033063 | Method and device for recognition of natural skin during contact-free biometric identification of a person - A contact-free biometric identification apparatus includes a housing, a first light-emitting diode (LED) positioned in the housing having a first predetermined wavelength to illuminate a portion of skin, a second LED positioned in the housing having a second predetermined wavelength to illuminate the portion of skin, an irradiation location outside of the housing and defined by illumination from the first and second LED on the portion of skin, a detector at a predetermined position in the housing for detecting a fraction of the first and second LED light scattered from the irradiation. location and a processing unit that employs a scatter function to determine the presence of live skin based on a correspondence of the detected light to stored data of optical properties of skin. | 02-09-2012 |