Inventor
CHANG SAMUEL HENRY
US30 patents
⚠️ This page may combine multiple inventors who share the name “CHANG SAMUEL HENRY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHANG SAMUEL HENRY
9 patentsUS9560446B1Jan 31, 2017
Sound source locator with distributed microphone array
CHANG SAMUEL HENRY64 citations97
US8619144B1Dec 31, 2013
Automatic camera calibration
CHANG SAMUEL HENRY100 citations97
US8970693B1Mar 3, 2015
Surface modeling with structured light
CHANG SAMUEL HENRY26 citations92
US9241141B1Jan 19, 2016
Projection block extraction
CHANG SAMUEL HENRY30 citations90
US8837778B1Sep 16, 2014
Pose tracking
CHANG SAMUEL HENRY11 citations84
US9055237B1Jun 9, 2015
Projection autofocus
CHANG SAMUEL HENRY13 citations83
US9704027B1Jul 11, 2017
Gesture recognition
CHANG SAMUEL HENRY8 citations82
US8970479B1Mar 3, 2015
Hand gesture detection
CHANG SAMUEL HENRY9 citations82
US9160904B1Oct 13, 2015
Gantry observation feedback controller
CHANG SAMUEL HENRY8 citations81
AMAZON TECH INC
8 patentsUS9392264B1Jul 12, 2016
Occluded object recognition
AMAZON TECH INC15 citations84
US9390500B1Jul 12, 2016
Pointing finger detection
AMAZON TECH INC17 citations84
US9759994B1Sep 12, 2017
Automatic projection focusing
AMAZON TECH INC11 citations83
US11317201B1Apr 26, 2022
Analyzing audio signals for device selection
AMAZON TECH INC2 citations73
US9632592B1Apr 25, 2017
Gesture recognition from depth and distortion analysis
AMAZON TECH INC2 citations73
US12047756B1Jul 23, 2024
Analyzing audio signals for device selection
AMAZON TECH INC0 citations62
US10262230B1Apr 16, 2019
Object detection and identification
AMAZON TECH INC1 citations62
US9703371B1Jul 11, 2017
Obtaining input from a virtual user interface
AMAZON TECH INC0 citations52
RAWLES LLC
7 patentsUS9336602B1May 10, 2016
Estimating features of occluded objects
RAWLES LLC30 citations94
US9201499B1Dec 1, 2015
Object tracking in a 3-dimensional environment
RAWLES LLC37 citations94
US8913037B1Dec 16, 2014
Gesture recognition from depth and distortion analysis
RAWLES LLC20 citations93
US8662676B1Mar 4, 2014
Automatic projector calibration
RAWLES LLC50 citations93
US9081418B1Jul 14, 2015
Obtaining input from a virtual user interface
RAWLES LLC17 citations92
US10126820B1Nov 13, 2018
Open and closed hand detection
RAWLES LLC12 citations84
US9336607B1May 10, 2016
Automatic identification of projection surfaces
RAWLES LLC14 citations84