Inventor
WHITWAM FIRTH
CA11 patents
⚠️ This page may combine multiple inventors who share the name “WHITWAM FIRTH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
THALES CANADA INC
10 patentsUS9327743B2May 3, 2016
Guideway mounted vehicle localization system
THALES CANADA INC27 citations90
US11465660B2Oct 11, 2022
Apparatuses, systems, methods, and software for train control and tracking using multi sensors, SSD/QR signs, and/or RF reflectors
THALES CANADA INC2 citations71
US9499185B2Nov 22, 2016
Wayside guideway vehicle detection and switch deadlocking system with a multimodal guideway vehicle sensor
THALES CANADA INC3 citations71
US9387867B2Jul 12, 2016
Fusion sensor arrangement for guideway mounted vehicle and method of using the same
THALES CANADA INC4 citations70
US9828011B2Nov 28, 2017
Communication system for guideway mounted vehicle and method of using the same
THALES CANADA INC2 citations63
US11603122B2Mar 14, 2023
Over-speed protection device
THALES CANADA INC1 citations59
US8989985B2Mar 24, 2015
Vehicle-based positioning system and method of using the same
THALES CANADA INC3 citations53
US10220863B2Mar 5, 2019
Guideway mounted vehicle localization system
THALES CANADA INC0 citations49
US9950721B2Apr 24, 2018
Guideway mounted vehicle localization system
THALES CANADA INC0 citations49
US9156482B2Oct 13, 2015
Locator loop control system and method of using the same
THALES CANADA INC1 citations42