Title:
LIGHTING DEVICE IN VEHICLE CABIN AND VEHICLE CABIN LIGHTING METHOD
Document Type and Number:
Japanese Patent JP2015063263
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a lighting device in a vehicle cabin which enables a lighting section to be adjusted so that proper luminance is obtained in a view point of an occupant thereby inhibiting the occupant from being annoyed even when physical frames of the occupants are different.SOLUTION: A lighting device in a vehicle cabin includes: a lighting section 4 which is attached to the interior of the vehicle cabin and lights an object in the vehicle cabin; a view point determination section 11 which determines a view point of an occupant; a distance calculation section 12 which calculates a distance between the view point and the lighting section 4; a luminance determination section 13 which determines the allowable luminance of the lighting section 4 according to the distance; and a lighting adjustment section 14 which adjusts the lighting section 4 so that the luminance becomes the allowable luminance.
Inventors:
ITO MITSUHITO
CHOSA YUTAKA
OCHIAI SEISHI
MATSUO YUJI
CHOSA YUTAKA
OCHIAI SEISHI
MATSUO YUJI
Application Number:
JP2013199318A
Publication Date:
April 09, 2015
Filing Date:
September 26, 2013
Export Citation:
Assignee:
NISSAN MOTOR
International Classes:
B60Q3/02
Attorney, Agent or Firm:
Hidekazu Miyoshi
Iwa Saki Kokuni
Shunichi Takahashi
Masakazu Ito
Toshio Takamatsu
Iwa Saki Kokuni
Shunichi Takahashi
Masakazu Ito
Toshio Takamatsu