STREET LIGHT, LIGHTING DEVICE AND LAMP FOR LIGHTING

摘要

PROBLEM TO BE SOLVED: To provide a street light added with a function of a protective device by supplementing the energy-saving and delay of lighting time of an arc tube for high pressure discharge lamp by a low consumption high start arc tube and reduced in manufacturing cost by an integrated electric lamp bulb.

SOLUTION: The street light comprises a lamp having a long starting time and a lamp having a short starting time, and has a means of turning off the lamp with the short starting time after the elapse of the starting time of the lamp with the long starting time. A timer is provided which turns off the lamp with short starting time after the elapse of the starting time of the lamp having the long starting time.

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