Search Results - yuzuru+takashima

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Real Time CGH Calculation and Beam Tracking
This technology is a new method of steering laser beams in LiDAR systems. Based upon live camera information, it creates a computer generated hologram (CGH) used to focus the LiDAR scans on specific areas of interest, improving real-time detection and tracking of important objects in the field of view. Background: Light Detection and Ranging, or LiDAR,...
Published: 7/19/2022   |   Inventor(s): Yuzuru Takashima, Chin-I Tang, Xianyue Deng
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics > Sensors and Detection, Technology Classifications > Imaging & Optics > Sensors and Detection > Remote Sensing, Technology Classifications > Imaging & Optics > Lasers & Other Sources
MEMS-Based Hybrid Beam Steering for LIDAR
This technology is a LiDAR (light detection and ranging) beam steering system designed to increase scanning range while keeping quality resolution using a microelectromechanically (MEMS) controlled mirror. This allows a single focused beam to be reflected over multiple angles, greatly increasing the possible scanning range. The mirror is specially designed...
Published: 7/15/2022   |   Inventor(s): Yuzuru Takashima, Brandon Hellman, Joshua Rodriguez, Young Kim
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics > Sensors and Detection
DMD-Based Optical Scanning Device
Researchers at the University of Arizona have created a wide field-of-view optical device using a Digital Micromirror Device (DMD) as a scanner. The low-cost, fast-scanning device leverages off-the-shelf optical components to create a novel optical design, which employs tilted mirrors and retro-reflectors to extend the field of view (FOV) while providing...
Published: 7/15/2022   |   Inventor(s): Yuzuru Takashima
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics > Sensors and Detection > Remote Sensing, Technology Classifications > Imaging & Optics > Lens & System Design
Pseudo Phase Conjugate Image Transfer Device for Head Worn Display
Researchers at the University of Arizona have applied a novel pseudo-phase conjugate technique to the design of a ghost-free and nearly aberration-free head up display. The Pseudo-phase conjugate Head-up Display (PHD) optical engine enables image transfer in an ultra-thin form factor with transparent devices which can be buried inside prescription glasses...
Published: 7/15/2022   |   Inventor(s): Yuzuru Takashima, Alex Erstad
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics > Displays, Technology Classifications > Imaging & Optics > Lens & System Design
ASLM Multi-Display
This technology is a new method that illuminates digital micromirror device (DMD) with focusing, homogenous illumination with cone angle/numerical aperture/F-number configured to prevent contaminated light to enter incorrect pupils. The technology has one input pupil and multiple diffraction order pupils that produce a multi-display from just one projector. Background: Digital...
Published: 7/15/2022   |   Inventor(s): Yuzuru Takashima, Brandon Hellman
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics > Displays
Optical Compensation of Mechanical Effects for Holographic Digital Data Storage System
University of Arizona researchers have invented a Holographic Digital Data Storage System (HDSS) that employs optical components to compensate for mechanical instability. This invention calculates errors introduced during the recording process, then compensates for those errors during the reading process. Background: Holographic Data Storage Systems...
Published: 7/15/2022   |   Inventor(s): Yuzuru Takashima, Kenichi Shimada
Keywords(s): high density recording, holographic data storage, optical compensation, signal to noise ratio, vibration
Category(s): Technology Classifications > Imaging & Optics > Data Storage, Technology Classifications > Imaging & Optics
Wavelength Diversity Detection for Holographic Data Storage System
The technology is a method to reduce noise in third generation technology optical discs that record up to 8TB of information. A technique responsible for the increase in the signal-to-noise ratio uses a wide spectrum laser to sense noise and respond in a way that enhances the signal. Background: Optical discs can only hold so much information before...
Published: 7/15/2022   |   Inventor(s): Yuzuru Takashima, Yusuke Nakamura
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics > Data Storage, Technology Classifications > Imaging & Optics > Lasers & Other Sources, Technology Classifications > Imaging & Optics > Sensors and Detection
ASLM Headset Display by Stacked Waveguides
This invention involves beam steering to increase the field of view (FOV) of augmented reality headsets or smart-glasses while maintaining true RGB color with minimal distortion. The invention uses angle-dependent image projection with micro-mirrors operating at 30 hz to create a 90 degree x 30 degree FOV with 1 arcmin/pixel resolution at 24-bit RGB...
Published: 7/15/2022   |   Inventor(s): Yuzuru Takashima, Brandon Hellman
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics > Displays
Waveguide for Angular Space Light Modulator Display
This invention is a specialized waveguide design that is tuned to the unique Angular Space Light Modulator (ASLM) angle dependent pattern output. This achieves an extended field of view (FOV) output, which is small enough to be integrated into a headset with packaging as small as a typical pair of glasses. This compactness and wide field of view is...
Published: 7/15/2022   |   Inventor(s): Brandon Hellman, Yuzuru Takashima
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics > Displays
Retinal Resolution and Single-Chip Multiplexed Image Transfer for AR Near-to-Eye Displays
This invention is a single-chip, field of view (FOV) selective, and variable resolution image projection design for augmented reality near-to-eye displays (AR-NEDs). The disclosure lays out the design for a multiplexed full color image transfer via single image guide, to achieve design requirements such as full color, 90 degrees FOV, and retinal image...
Published: 7/15/2022   |   Inventor(s): Yuzuru Takashima, Brandon Hellman
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics > Displays
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