LIGHT EMITTING DIODE DRIVING DEVICE AND AIR CLEANER EQUIPPED THEREWITH

LIGHT EMITTING DIODE DRIVING DEVICE AND AIR CLEANER EQUIPPED THEREWITH

PROBLEM TO BE SOLVED: To provide a light emitting diode driving device which is capable of protecting a light emitting diode properly against electrostatic damage without causing an unnecessary increase in device size, and to provide an air cleaning machine using the same. SOLUTION: The light emitti...

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Hauptverfasser: IKEDA TADAHITO, FUJIWARA YOSHIO
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEMICONDUCTOR DEVICES
SEPARATION
TRANSPORTING
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creator IKEDA TADAHITO
FUJIWARA YOSHIO
description PROBLEM TO BE SOLVED: To provide a light emitting diode driving device which is capable of protecting a light emitting diode properly against electrostatic damage without causing an unnecessary increase in device size, and to provide an air cleaning machine using the same. SOLUTION: The light emitting diode driving device is equipped with a control board 200 mounted with light emitting diodes LED1 to LED3 whose ON-OFF are controlled according to control signals, and a control board 300 mounted with a microcomputer 303 which generates the control signals. The control board 200 is configured so as to be equipped with a drive element (transistor Tr3b), which generates a drive current of the light emitting diode LED3 according to the control signals, interposed between an external terminal and the light emitting diode LED3. COPYRIGHT: (C)2008,JPO&INPIT
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEMICONDUCTOR DEVICES
SEPARATION
TRANSPORTING
title LIGHT EMITTING DIODE DRIVING DEVICE AND AIR CLEANER EQUIPPED THEREWITH
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