Title:
Lighting installation
Document Type and Number:
Japanese Patent JP5940372
Kind Code:
B2
Abstract:
An illumination apparatus includes a radiating fin exposed externally on an upper surface of a casing having a light source and a drive unit accommodated therein, and a securing portion to secure the casing to a ceiling surface. The radiating fin includes a ventilation path that is provided in the form of a groove located between a plurality of fin portions extending in a first direction parallel to each other and has opposite ends in the first direction, externally opened. The securing portion allows the radiating fin to be disposed with a distance from the ceiling surface. When the illumination apparatus is installed on the ceiling surface the radiating fin and the ceiling surface form a space having opposite ends in the first direction, each externally opened, and opposite ends in a second direction corresponding to a direction in which the plurality of fin portions are aligned, each externally opened.
Inventors:
Fumio Kokubo
Koichi Suzuki
Koichi Suzuki
Application Number:
JP2012115482A
Publication Date:
June 29, 2016
Filing Date:
May 21, 2012
Export Citation:
Assignee:
Sharp Corporation
International Classes:
F21S2/00; F21V29/74; F21S8/04; F21V19/00; F21V29/83; H05K7/20
Domestic Patent References:
| JP201289285A | ||||
| JP200898020A | ||||
| JP2008103195A | ||||
| JP2010272497A |
Attorney, Agent or Firm:
Fukami patent office
Previous Patent: A hysteresis comparator and a semiconductor device
Next Patent: DISK RECORD REPRODUCER
Next Patent: DISK RECORD REPRODUCER