Lighting device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 6, 2018
Issued Date -
N/A
app pub date -
Jun 23, 2014
filing date -
Jun 23, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A lighting device includes a light source disposed inside of a vehicle, an external light sensor that detects illuminance of light outside of the vehicle, and a controller that controls the light source such that a lower light intensity ratio of the light source is set for higher illuminance detected by the external light sensor. The controller performs a light intensity ratio maintaining control that maintains the light intensity ratio of the light source even when the illuminance changes from a low state to a high state during a period from when a change amount of the illuminance exceeds a predetermined value until a predetermined period elapses.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2014 Application Filing Year
- B61D Class
- 141 Applications Filed
- 115 Patents Issued To-Date
- 81.57 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B61D Class
- 0 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Aug 6, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 6, 2029 |
