Patent ID: 11881093
Assignee: DENSO INTERNATIONAL AMERICA, INC.
Field: Measurement (Instruments)
Classification: CPC B  G | IPC G

Claim 18:
19. A method, comprising:
by smoke sensors located at different locations within a passenger cabin of a vehicle, measuring amounts of cigarette smoke at the locations, respectively, within the passenger cabin of the vehicle;
by first and second carbon dioxide sensors located at first and second locations, respectively, within the passenger cabin of the vehicle, measuring first and second amounts of carbon dioxide at the first and second locations, respectively; and
based on the measured amounts of cigarette smoke and the first and second amounts of carbon dioxide measure by the first and second carbon dioxide sensors at the first and second locations, determining and indicating that:
a smoking event occurred at a first location within the passenger cabin; and
the smoking event did not occur at a second location that is different than the first location within the passenger cabin of the vehicle.