Microvision Inc patents

Touch interactivity with occlusions in returned illumination data

A projection system emits light pulses in a field of view and measures properties of reflections. Properties may include time of flight and return amplitude. ... Microvision Inc

Transmitter/receiver disparity for occlusion-based height estimation

A projection system emits light pulses in a field of view and measures properties of reflections. Properties may include time of flight and return amplitude. ... Microvision Inc

Occlusion-based height estimation

A projection system emits light pulses in a field of view and measures properties of reflections. Properties may include time of flight and return amplitude. ... Microvision Inc

Devices and methods for providing foveated scanning laser image projection with depth mapping

Devices and methods are described herein for providing foveated image projection. In general, at least one source of laser light is used to generate a laser beam, and scanning mirror(s) that reflect the laser beam into a pattern of scan lines. ... Microvision Inc

Speckle reduction in multi-laser beam scanning display

A scanning projector includes one or more scanning mirrors that reflect a light beam to create an image. The beam is created by multiple laser light sources, at least two of which create light at substantially the same color. ... Microvision Inc

Dual-folding eyeglasses and eyeglass collapsible case

Eyeglasses are provided for folding into a substantially flat configuration to be fitted inside a compact case. The eyeglasses include a frame surrounding a pair of lenses, and a pair of temples which extend from respective outer edges of the frame. ... Microvision Inc

Method and machine for examining wafers

Method and machine utilizes the real-time recipe to perform weak point inspection on a series of wafers during the fabrication of integrated circuits. Each real-time recipe essentially corresponds to a practical fabrication history of a wafer to be examined and/or the examination results of at least one examined wafer of same “lot”. ... Microvision Inc

Devices and methods for providing depth mapping with scanning laser image projection

Devices and methods are described herein for combining image projection with surface scanning. In general, the devices and methods utilize at least one source of laser light to generate a laser beam, and scanning mirror(s) that reflect the laser beam into a pattern of scan lines. ... Microvision Inc

Devices and methods for adjustable resolution depth mapping

Devices and methods are described that provide for scanning surfaces and generating 3-dimensional point clouds that describe the depth of the measured surface at each point. In general, the devices and methods utilize scanning mirror(s) that reflect a laser beam into a pattern of scan lines. ... Microvision Inc

Apparatus of plural charged-particle beams

A multi-beam apparatus for observing a sample with high resolution and high throughput is proposed. In the apparatus, a source-conversion unit changes a single electron source into a virtual multi-source array, a primary projection imaging system projects the array to form plural probe spots on the sample, and a condenser lens adjusts the currents of the plural probe spots. ... Microvision Inc

Devices and methods for speckle reduction in scanning projectors

Devices and methods are described herein that use a first solid figure element, a polarizing beam splitter, and a second solid figure element to reduce speckle in projected images. Specifically, laser light is generated and split into two portions having orthogonal polarizations. ... Microvision Inc

Devices and methods for speckle reduction in scanning projectors using birefringence

Devices and methods are described herein that use birefringent elements to reduce speckle. The birefringent elements are angularly separate received laser light into two separated light beams, and then recombine the two angularly separated light beams. ... Microvision Inc

Multi-stripes lasers for laser based projector displays

A scanning projector and method is provided that that uses at least one multi-stripe laser to generate the laser light for the scanned image. Specifically, the multi-stripe laser includes at least a first laser element and a second laser element formed together on a semiconductor die. ... Microvision Inc

Optical steering of component wavelengths of a multi-wavelength beam to enable interactivity

Briefly, in accordance with one or more embodiments, an information handling system comprises a scanning system to scan one or more component wavelength beams into a combined multi-component beam in a first field of view, and a redirecting system to redirect one or more of the component wavelength beams into a second field of view. A first subset of the one or more component wavelength beams is projected in the first field of view and a second subset of the one or more component wavelength beams is projected in the second field of view. ... Microvision Inc