To prevent increase in size of a connector on a control board that is connected to a wiring, by reducing the size of the wiring connected to a drive source of an actuator.
A drive circuit which is provided to each of a plurality of flaps for driving flap motors M1-M4, is provided to an indoor equipment 1. It includes a driver element for operating the flap motors M1-M4, a changeover switch which contains a changeover contact, with one common contact connected to a corresponding driver element among the driver elements and a contact of the same number being connected to one flap motor, and a microcomputer 101 containing a changeover signal output part for outputting a changeover signal which switches the changeover contact of each changeover switch to a changeover contact of the same number to the changeover switch, and a drive signal output part for outputting the drive signal which drives the flap motors M1-M4 to the driver element.
YOKOI MASAAKI
JPS6210536A | 1987-01-19 | |||
JP2001318497A | 2001-11-16 | |||
JP2010068580A | 2010-03-25 | |||
JP2006194474A | 2006-07-27 |
Masataka Otani
Tanaka rice