Biometrical object reader having an ultrasonic wave...

G - Physics – 06 – K

Patent

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Details

G06K 9/20 (2006.01) A61B 5/117 (2006.01)

Patent

CA 2653202

Devices and methods of creating an image of a biological object are disclosed. In one embodiment of the invention there is a plane wave ultrasonic pulse generator, an ultrasonic wave manipulation device, an ultrasonic detector and an image generator. In a method according to the invention, a biological object is imaged by emitting an unfocussed ultrasonic energy wave front, reflecting at least a portion of the ultrasonic energy wave front from the object, altering a direction of the ultrasonic energy, detecting that energy, and using the detected energy to create an image of the object.

L'invention concerne des dispositifs et des procédés de création d'une image d'un objet biologique. Dans un mode de réalisation, les dispositifs et les procédés comportent un générateur d'impulsions ultrasonores d'ondes planes; un dispositif de manipulation d'ondes ultrasonores; un détecteur d'ultrasons; et un générateur d'image. Dans un procédé selon l'invention, un objet biologique est imagé en émettant un front d'onde d'énergie ultrasonore non focalisé; en réfléchissant au moins une portion du front d'onde d'énergie ultrasonore depuis l'objet; en modifiant une direction de l'énergie ultrasonore; en détectant cette énergie; et en utilisant l'énergie détectée pour créer l'image de l'objet.

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