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Title:
METHOD AND DEVICE FOR DIAGNOSING ABNORMALITY FOR ELECTRIC GATCH BED
Document Type and Number:
Japanese Patent JP2004298238
Kind Code:
A
Abstract:

To discriminate abnormality that one of actuators 8 and 9 continues to be driven when a back part 2 and a knee part 4 that consist a bed floor part 1 are single activated for controlling the raising and the lowering of the bed floor part 1 by driving in series the actuators 8, 9 that correspond to each other actuater 8 or 9 including the activation of both and the single activation of each.

The area is detected whether it is a single driving area or not and when it is discriminated that it is a single driving area a sensor 11 or 12 detects the driving of the other actuator 8 or 9 and in the case of driving the actuater is identified as irregular.


Inventors:
HASHIMOTO RIYOUTA
HOSOYA YOSHIKATSU
HIKIMA TOSHIO
Application Number:
JP2003091867A
Publication Date:
October 28, 2004
Filing Date:
March 28, 2003
Export Citation:
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Assignee:
MITSUBA CORP
International Classes:
A47C20/08; (IPC1-7): A47C20/08
Attorney, Agent or Firm:
Tetsuo Hirose