rechargeable by exposure to light

Full Title

Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply > the power supply being a battery or accumulator > rechargeable by exposure to light

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

LIGHTING

Subclass:

NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS