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Castar Inc patents


Recent patent applications related to Castar Inc. Castar Inc is listed as an Agent/Assignee. Note: Castar Inc may have other listings under different names/spellings. We're not affiliated with Castar Inc, we're just tracking patents.

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Head mounted projection display with multilayer beam splitter and color correction

A head mounted projection display includes a polarizing beam splitter stack that includes a waveplate. The polarizing beam splitter stack reduces optical losses and has a low forward extension. The polarizing beam splitter may be used at a 45 degree angle or at a non 45 degree angle relative to... Castar Inc

System and haptic feedback by referral of sensation

A system and method is presented to increase the sense of immersion in virtual and augmented reality systems by means of touch stimulation (haptic output) that is referred from the point of actual stimulation to the perceived point or points of contact with virtual objects and/or surfaces.... Castar Inc

Method of immersive rendering for wide field of view

A method, apparatus, and system is presented by which images of virtual objects displayed in augmented reality systems, virtual reality systems, or immersive display systems for realistic rendering of wide field of view, may be corrected to provide for reduction of registration errors regarding real objects or locations.... Castar Inc

Virtual reality attachment for a head mounted display

An attachment for a projected head mounted display redirects images designed to be projected on retroreflective screens directly back into the eyes of a user. This permits, for example, the head mounted display to be switched from an augmented reality mode to a virtual reality mode. The attachment can be... Castar Inc

Hmpd with near eye projection

A head mounted projection display includes an optical path to support near eye projection of the projected images. That is, the projection aperture is placed close to the user's eye. In one implementation, image projectors are located in an image projector compartment located above left and right observation lenses. The... Castar Inc








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