Patent ID: 11945413
Assignee: DENSO CORPORATION
Field: Measurement (Instruments)
Classification: CPC B  G | IPC B  G

Claim 6:
7. A rainfall amount measurement apparatus mounted to a vehicle, comprising:
a controller circuit electrically connected via a communication link to a detector configured to generate an output corresponding to an attachment amount of raindrops attached to an outer wall surface of a windshield of the vehicle, the controller circuit being configured to
acquire raindrop amount information corresponding to the attachment amount of raindrops in a measurement period based on the output of the detector, the raindrop amount information being used to set a wiping interval in a wiper wiping the raindrops attached to the outer wall surface,
calculate a measurement value of a rainfall amount per unit time based on the acquired raindrop amount information, and
output the calculated measurement value to an external device disposed outside of the vehicle.