Vuzix has been granted a patent for an imaging apparatus that allows for reshaping of the frame to accommodate different viewer head anatomies. The apparatus includes left-eye and right-eye imaging apparatuses, with an adjustment mechanism that restores the relative alignment of the imaging apparatuses for conveying stereoscopic virtual images to the viewer. GlobalData’s report on Vuzix gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Vuzix, Optical waveguides was a key innovation area identified from patents. Vuzix's grant share as of September 2023 was 39%. Grant share is based on the ratio of number of grants to total number of patents.

Reshapeable imaging apparatus for stereoscopic viewing

Source: United States Patent and Trademark Office (USPTO). Credit: Vuzix Corp

A recently granted patent (Publication Number: US11726321B2) describes an imaging apparatus for stereoscopic viewing. The apparatus includes a frame that can be reshaped from a first shape to a second shape. It also includes a left-eye imaging apparatus and a right-eye imaging apparatus, each supported by the frame. The left-eye imaging apparatus consists of a first projector and a first waveguide, while the right-eye imaging apparatus consists of a second projector and a second waveguide. When the frame is in the first shape, the left-eye and right-eye imaging apparatuses are aligned to convey stereoscopic virtual images to the viewer. However, when the frame is reshaped into the second shape, the imaging apparatuses are arranged at a different relative alignment.

To maintain the desired alignment of the imaging apparatuses, an adjustment mechanism is included in the apparatus. This mechanism comprises an actuator that responds to the reshaping of the frame. The actuator is capable of changing the angular alignment of the projectors relative to the waveguides and the frame. This adjustment restores the first relative alignment of the left-eye and right-eye imaging apparatuses while the frame is in the second shape.

The apparatus also includes at least one sensor coupled with the frame. This sensor provides an output signal indicating changes in the relative alignment of the imaging apparatuses between the first and second shapes. The actuator responds to this output signal and adjusts the angular disposition of the components of the imaging apparatuses accordingly. The sensor can measure flexure at the nose bridge or temples of the frame, and it can be a strain gauge or an operator control.

Another embodiment of the imaging apparatus described in the patent includes a flexible frame that can be reshaped to accommodate different viewer head anatomies. The left-eye and right-eye imaging apparatuses are rigidly coupled to each other within the frame, allowing the frame to flex relative to the imaging apparatuses. This flexibility ensures that the relative alignment of the imaging apparatuses is maintained when the frame is reshaped.

In summary, the granted patent describes an imaging apparatus for stereoscopic viewing that can be reshaped to accommodate different viewer head anatomies. The apparatus includes an adjustment mechanism that restores the relative alignment of the imaging apparatuses when the frame is reshaped. This ensures that the viewer can experience stereoscopic virtual images accurately.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.