Coisel
Emily M. Coisel, Glenview, IL US
Patent application number | Description | Published |
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20080241786 | DENTAL DEVICE HAVING A SENSOR FILM HOLDER WITH TOOTH CLAMP - A dental device includes a housing unit for removably holding sensor film and a tooth clamp disposed on the housing unit. The tooth clamp consists of first and second resilient arcuate bridges. Each of the first and second bridge has a first and second end. The first end of the first bridge and the first end of the second bridge are interconnected to one jaw of a pair of oppositely disposed jaws. The second end of the first bridge and the second end of the second bridge are interconnected to the other jaw of the pair of oppositely disposed jaws. Each of the oppositely disposed jaws includes a gripping plate, an aperture and a tab for engaging a flexible sheet. | 10-02-2008 |
Iwen Coisel, Wavre BE
Patent application number | Description | Published |
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20110107102 | METHOD FOR AUTHENTICATING AN ENTITY BY A VERIFIER - A method for authenticating an entity by a verifier, the entity having an identifier, the verifier having a pair of private and public keys, comprising: sending to the entity a first random number selected by the verifier; a step wherein the entity encrypts a value by means of the public key of the verifier, said value including the first random number and an authentication datum on which the identifier of the entity depends; and the entity of said encrypted value sending a reply to authenticate said entity. The invention can be applied to the field of low-cost cryptography, especially the field of radio-identification. | 05-05-2011 |
Iwen Coisel, Herouville Saint Clair FR
Patent application number | Description | Published |
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20110057779 | METHOD OF AUTHENTICATING A RADIO TAG BY A RADIO READER - The invention relates to a method of authenticating a radio tag by a radio reader, the tag possessing an identifier accessible to the reader via a database of tag identifiers, comprising: dispatching an authentication request by the reader to the tag, dispatching by the tag, a response, calculated by applying a first function to at least the identifier, a calculation by the tag and by the reader of a new identifier, by applying a second function to the identifier, comprising: if the response dispatched by the tag corresponds to a result obtained by applying said first function to an identifier of the base, a dispatching by the reader a first value, calculated by applying a third function to said identifier of the base. | 03-10-2011 |