Title:
エレベータ安全制御装置
Document Type and Number:
Japanese Patent JP5550718
Kind Code:
B2
Abstract:
An elevator safety control device realizing suppression in increase in cost and labor hour of installation and maintenance without deteriorating safety of normal safety control functions even when a plurality of safety control functions are provided. The elevator safety control device includes an independence assurance unit assuring independence of a safety control function. The independence assurance unit assures independence of each of the safety control functions by monitoring whether or not the safety control function accesses a memory other than a permitted region. When the independence assurance unit detects an access to the memory other than the permitted region by a predetermined safety control function, the elevator safety control device stops a car.
Inventors:
Kazunori Washio
Masafumi Iwata
Takuya Ishioka
Masafumi Iwata
Takuya Ishioka
Application Number:
JP2012504248A
Publication Date:
July 16, 2014
Filing Date:
March 12, 2010
Export Citation:
Assignee:
Mitsubishi Electric Corp.
International Classes:
B66B1/32; B66B3/00
Domestic Patent References:
| JPH02276784A | 1990-11-13 | |||
| JP2001325150A | 2001-11-22 |
Foreign References:
| WO2005115898A1 | 2005-12-08 | |||
| WO2009157085A1 | 2009-12-30 |
Attorney, Agent or Firm:
Hidetoshi Yoshitake
Takahiro Arita
Takahiro Arita