Inventor

JOHNSTON RICHARD S

US57 patents

⚠️ This page may combine multiple inventors who share the name “JOHNSTON RICHARD S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JOHNSTON RICHARD S

UNIV WASHINGTON

Scanning beam device with detector assembly

Virtual retinal display with eye tracking

Virtual retinal display with eye tracking

Virtual retinal display with expanded exit pupil

Miniature optical scanner for a two axis scanning system

Compact scanning fiber device

Scanning beam device with detector assembly

Distance determination in a scanned beam image capture device

Configuration memory for a scanning beam device

Scanned beam display with focal length adjustment

Scanning display with expanded exit pupil

Scanned beam display with adjustable accommodation

Miniature optical scanner for a two axis scanning system

Image display with lens array scanning relative to light source array

Augmented retinal display with view tracking and data positioning

Virtual retinal display with eye tracking

Display with multi-surface eyepiece

Methods of driving a scanning beam device to achieve high frame rates

Methods of driving a scanning beam device to achieve high frame rates

Tethered capsule endoscope for Barrett&#39;s Esophagus screening

Methods of driving a scanning beam device to achieve high frame rates

Patent scanned beam display with adjustable light intensity

Virtual retinal display with eye tracking

Augmented retinal display with view tracking and data positioning

Optical scanning system with variable focus lens

Scanned beam display with adjustable accommodation

Virtual retinal display with eye tracking

Scanned beam display with adjustable accommodation

Method and apparatus for determining optical distance

Virtual retinal display with expanded exit pupil

Virtual retinal display with lens array for expanding exit pupil

Driving scanning fiber devices with variable frequency drive signals

Optical scanning system with variable focus lens

Monitoring disposition of tethered capsule endoscope in esophagus

Scanning beam device calibration

Remapping methods to reduce distortions in images

Temperature adjustment in scanning beam devices

Reducing distortion in scanning fiber devices

SEIBEL ERIC J

Scanning beam device having different image acquisition modes

Catheter with imaging capability acts as guidewire for cannula tools

Monitoring disposition of tethered capsule endoscope in esophagus

MELVILLE CHARLES D

Scanning laser projection display devices and methods for projecting one or more images onto a surface with a light-scanning optical fiber

Piezoelectric substrate, fabrication and related methods

NEOPATH INC

Method and apparatus for rapidly processing data sequences

Method for identifying normal biomedical specimens

JOHNSTON RICHARD S

Scanning beam device calibration

Scanning beam device calibration

DOT ON INC

Device and method for cursor motion control calibration and object selection

LEE CAMERON M

Reducing noise in images acquired with a scanning beam device

UNIV WASHINGTON THROUGH ITS CENTER FOR COMMERCIALIZATION

Dental demineralization detection, methods and systems

Tethered capsule endoscope for Barrett's Esophagus screening