The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 09, 2018
Filed:
Feb. 09, 2015
Centrak Inc., Newton, PA (US);
Israel Amir, Newton, PA (US);
CENTRAK, INC., Newton, PA (US);
Abstract
A position location system and method, the system including: an infrared (IR) transmitter, a first and a second ultrasound (US) transmitter, the first and a second US transmitters arranged at respective predetermined distances from a reference plane, an IR receiver configured to receive an IR signal from the IR transmitter, a US receiver configured to receive a first US signal from the first US transmitter and a second US signal from the second US transmitter; and a processor coupled to a memory and further coupled to the IR receiver and the US receiver, the processor configured to detect: a time of flight (ToF) of the first US signal from the first US transmitter to the US receiver; and a ToF of the second US signal from the second US transmitter to the US receiver.