Florida Patent of the Month – May 2021

A vision assistive device helps a blind or low vision user to see an object by displaying an enlarged image of the object. Certain devices help with viewing documents, while others help with viewing 3-D objects. A collective issue seen with the available devices is the complex set up needed before they can even be used. They also typically have a low depth of field, meaning enlarged objects are mostly out of focus, as the device focuses on one spot. Freedom Scientific, Inc. has developed an improved and simple assistive device which can provide an enlarged view of an object, with better depth of field.

Freedom Scientific is the largest worldwide manufacturer of assistive technology products for those who are blind or have low vision. This new device uses an imaging unit and a display screen. The imaging unit is equipped to take multiple views of the object, with a variety of areas of focus and produces a single, combined, and focused image. An image sensor is used to control the areas of focus, and can be controlled manually or allowed to automatically adjust. By incorporating multiple areas of focus, the depth of field is greatly enhanced, creating a clearer image for the user to view.

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