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US 11,999,294 B2Granted
Vehicle and control method thereof
AssigneesNdai Motor Company, Kia Corporation
InventorYoungbeom Kim
Life of this patent
Estimating the term…
Abstract
A vehicle includes a first speaker, a microphone, an output device, and a control device configured to output a first sound signal through the first speaker, receive a second sound signal through the microphone, identify whether there is an occupant in a rear seat of the vehicle based on the first sound signal and the second sound signal, and control the output device to output a warning sound based on the presence of the occupant in the rear seat.
Claims18
A vehicle comprising:
- a first speaker;
- a microphone;
- an output device;
- and
- a control device configured to output a first sound signal through the first speaker, receive a second sound signal based on the output of the first sound signal through the microphone, output a third sound signal with a time difference from the first sound signal through the first speaker, receive a fourth sound signal based on the output of the third sound signal through the microphone, identify whether there is an occupant in a rear seat of the vehicle based on a difference between a sound pressure level of the second sound signal and a sound pressure level of the fourth sound signal being out of a predetermined reference range, and control the output device to output a warning sound based on the presence of the occupant in the rear seat.
2 more elements
A control method of a vehicle comprising:
- outputting a first sound signal through a first speaker of the vehicle;
- receiving a second sound signal based on the output of the first sound signal through a microphone of the vehicle;
- outputting a third sound signal with a time difference from the first sound signal through the first speaker;
- receiving a fourth sound signal based on the output of the third sound signal through the microphone;
- identifying whether there is an occupant in a rear seat of the vehicle based on a difference between a sound pressure level of the second sound signal and a sound pressure level of the fourth sound signal being out of a predetermined reference range;
- and
- outputting a warning sound through an output device of the vehicle based on the presence of the occupant in the rear seat.
4 more elements
Dependencies are inferred from the claim text.