Invention Grant
- Patent Title: Door control safety arrangement for transportation system
- Patent Title (中): 交通系统门控安全安排
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Application No.: US12551373Application Date: 2009-08-31
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Publication No.: US07905330B2Publication Date: 2011-03-15
- Inventor: Pekka Jahkonen
- Applicant: Pekka Jahkonen
- Applicant Address: FI Helsinki
- Assignee: Kone Corporation
- Current Assignee: Kone Corporation
- Current Assignee Address: FI Helsinki
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: FI20070177 20070301
- Main IPC: B66B1/34
- IPC: B66B1/34
Abstract:
A system and a method for monitoring a safety circuit are presented. The system includes a control appliance and the safety circuit comprises at least one serial circuit of two or more switches. The arrangement system also includes a way of measuring the status of at least one switch, as well as a way of conveying the status information of the switch to the control appliance. The method includes measuring the status information of at least one switch and sending the measured status information to the control appliance.
Public/Granted literature
- US20100051391A1 SAFETY ARRANGEMENT Public/Granted day:2010-03-04
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