Title:
AUTOMATIC DOOR DEVICE
Document Type and Number:
Japanese Patent JP2003064940
Kind Code:
A
Abstract:
To enhance operating quality and suppress electric power consumption.
An automatic door device 1 is equipped with a motor 2, a magnetic-pole sensor 12 for measuring the revolution amount of the motor 2, a door 8 which is driven to travel bidirectionally by making the motor 2 run, a control step for detecting the weight of the door 8, and a control part 13 which controls torque for making the door 8 travel in accordance with the weight, detected by the control step, of the door 8.
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Inventors:
MOMOTA SHIGEYUKI
Application Number:
JP2001253594A
Publication Date:
March 05, 2003
Filing Date:
August 23, 2001
Export Citation:
Assignee:
NIDEC SHIBAURA CORP
International Classes:
E05F15/14; E05F15/632; E05F15/643; E05F15/74; H02P29/00; (IPC1-7): E05F15/14; H02P5/00
Domestic Patent References:
| JP2000170444A | 2000-06-20 | |||
| JPH078159B2 | 1995-01-30 |
Attorney, Agent or Firm:
Hitoko Tsuda (3 others)