Patent ID: 11947143
Assignee: KIA MOTORS CORPORATION
Field: Optics (Instruments)
Classification: CPC G  B | IPC B  G

Claim 0:
1. A filming apparatus installed in an interior of a vehicle to film images reflected on windshield glass, comprising:
a polarizing filter provided on a front surface or a rear surface of a lens, or a front surface of an image sensor, a transmission factor of the polarizing filter being lower at a first point than a second point, wherein reflected light is input from a portion of the windshield glass at the first point and a shimmering occurs at the first point,
wherein the polarizing filter comprises:
a first filter part that the shimmering does not occur, wherein the reflected light is input from a portion of the windshield glass to the first filter part; and
a second filter part that the shimmering occurs, wherein the reflected light is input from the portion of the windshield glass to the second filter part.