RS Johnston - US Patent 7,312,879, 2007 - Google Patents
Methods, systems, and devices can determine spatial relationships between a probe and a target surface. Specular reflections from the target surface vary dramatically with small …
Written by an award-winning leader in the field, this is a thoroughly integrated overview of the many facets and disciplines of optical scanning. Of particular utility to both practitioner …
RS Johnston, CD Melville - US Patent 7,189,961, 2007 - Google Patents
The present invention provides scanning beam devices that have one or more detectors positioned Within a housing of the device. The detector (s) may be disposed anywhere …
C Yang, EJ Seibel, LY Nelson, TD Soper - US Patent 10,080,484, 2018 - Google Patents
Improved methods, systems and apparatus relating to wide field fluorescence and reflectance imaging are provided, including improved methods, systems and apparatus …
RS Johnston - US Patent 8,305,432, 2012 - Google Patents
Scanning beam device calibration using a calibration pattern is disclosed. In one aspect, a method may include acquiring an image of a calibration pattern using a scanning beam …
RS Johnston - US Patent 7,298,938, 2007 - Google Patents
The present invention provides a memory element for providing compatibility information and/or parametric data about a scanning beam device to a universal base station. The …
EJ Seibel, RS Johnston - US Patent 8,212,884, 2012 - Google Patents
A method of one aspect may include monitoring movement of a scanning beam image acquisition device. Images may be acquired with the scanning beam image acquisition …
EJ Seibel, L Zhang, RS Johnston, CD Melville… - US Patent …, 2018 - Google Patents
Methods and systems for detecting early stage dental caries and decays are provided. In particular, in an embodiment, laser-induced autofluorescence (AF) from multiple excitation …