Method and system of deploying ignition interlock device functionality

US11427083B2 · kind B2 · utility

Assignee

• Consumer Safety Technology, LLC · US

Inventors

• Amanda Renee Mallinger · Des Moines, US
• Jennifer Ringgenberg · West Des Moines, US
• Usha Rani Chintala · Grimes, US
• Douglas Robert Bruce · Urbandale, US
• Sujitha Chandra Mohan · Waukee, US

Key dates

• Filing date: Jul 27, 2020
• Grant date: Aug 30, 2022
• Expiry date: Jul 27, 2040

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B5/6893
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A method and a system of deploying an ignition interlock device (IID). The method comprises receiving a time series of breath alcohol content (BrAC) measurements that are unitarily sourced from a pre-identified user, each BrAC measurement of the time series including an alveolar breath component and an interferent breath component; estimating a dissipation rate of alcohol attributable to the pre-identified user in accordance with the time series of BrAC measurements; determining, responsive to estimating the dissipation rate of alcohol, at least a subset of the BrAC measurements as being based on the alveolar breath component but not the interferent breath component; and performing one of triggering and not triggering the IID into a lockout state based on the at least a subset of the BrAC measurements.