Power source unit for LED lamps, and LED lamp system

A dedicated power source for LED lamps capable of reliably detecting attachment of an LED lamp is provided. A dedicated power source has a DC power source portion, and includes a lighting circuit which receives power supplied from the DC power source portion and light-controls an LED lamp including...

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Main Authors SAKO HIROYUKI, KUBOTA HIROSHI, TERASAKA HIROSHI, SAITO TAKESHI, NAKAGAWA HIROKI, IWAI NAOKO, HAMAMOTO KATSUNOBU, KAMATA MASAHIKO
Format Patent
LanguageEnglish
Published 23.06.2015
Subjects
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
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Summary:A dedicated power source for LED lamps capable of reliably detecting attachment of an LED lamp is provided. A dedicated power source has a DC power source portion, and includes a lighting circuit which receives power supplied from the DC power source portion and light-controls an LED lamp including an LED element and a detection resistor connected in parallel to the LED element and an attachment detecting portion for detecting attachment of the LED lamp based on a voltage level changing in accordance with attachment/detachment of the detection resistor by attachment/detachment of the LED lamp.
Bibliography:Application Number: US201113188571