Patent ID: 11963281
Assignee: LUPLE INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F  H  A  G  Y | IPC F  G  H

Claim 0:
1. A lighting device comprising:
a light source unit including one or more light emitting elements;
a first body to which the light source unit is mounted;
a second body;
a sensor unit configured to sense at least one of a relative posture and a relative position of the first body with respect to the second body; and
a control unit configured to control a light emitting operation of the light source unit on the basis of at least one of the relative posture and the relative position of the first body;
wherein the second body includes a first magnetic material at a predetermined position,
the sensor unit includes a magnetic sensor mounted at a predetermined position in the first body, and
at least one of the relative posture and the relative position of the first body is determined on the basis of a magnetic signal sensed at the magnetic sensor;
wherein the first body has an open upper portion, an inner space defined therein, and an outer circumferential surface with a gradually decreasing diameter in a downward direction; and
wherein the first body includes at least one of: a second magnetic material disposed in an upper center portion of the first body; a third magnetic material disposed in a lower portion of the first body at a predetermined distance from a central axis of the first body; and a fourth magnetic material disposed in a lower center portion of the first body, and
the second body includes the first magnetic material in a center of the second body.