Title:
VEHICLE LAMP SYSTEM, FOREIGN SUBSTANCE DETERMINATION DEVICE, AND FOREIGN SUBSTANCE DETERMINATION METHOD
Document Type and Number:
WIPO Patent Application WO/2021/075299
Kind Code:
A1
Abstract:
A vehicle lamp system (1) comprises: a vehicle lamp (2) which form a prescribed light distribution pattern by emitting light to the forward region of a vehicle (100); an imaging device (4) that images the forward region; and a foreign substance determination device (6) having a storage unit (18) that stores, as a reference pattern, a light distribution pattern that is formed in the forward region by the vehicle lamp (2) in a state where no foreign substances are adhered to a light emission surface (16), and a determination unit (20) that determines, by comparing the light distribution pattern imaged by the imaging device (4) to the reference pattern, whether a foreign substance has adhered to the light emission surface (16).
More Like This:
| JPH10147175 | VEHICLE LAMP DEVICE |
| WO/2006/058865 | CARRIER FOR THE FRONT UNIT OF A MOTOR VEHICLE AND METHOD FOR THE MOUNTING THEREOF |
Inventors:
SUMITANI HIROKI (JP)
Application Number:
PCT/JP2020/037745
Publication Date:
April 22, 2021
Filing Date:
October 05, 2020
Export Citation:
Assignee:
KOITO MFG CO LTD (JP)
International Classes:
B60Q1/04; B60S1/60
Foreign References:
| JP2010146284A | 2010-07-01 | |||
| JP2016168915A | 2016-09-23 | |||
| JP2019064471A | 2019-04-25 |
Attorney, Agent or Firm:
MORISHITA Sakaki (JP)
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