Safety Control Device For Elevator
Patent No. EP2671836 (titled "Safety Control Device For Elevator") was filed by Mitsubishi Electric on Feb 2, 2011. The application was issued on Mar 24, 2021.
Patent Summary
Elevator safety control system that detects maintenance worker entry into the hoistway using existing landing door switches, enabling safe maintenance operations without additional equipment. The system monitors landing door switches to determine if a worker has entered the pit or car, even when both the car door and landing door are open, thereby preventing unexpected elevator movement.
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Date
Description
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EP2671836
- Application Number
- EP11857587A
- Filing Date
- Feb 2, 2011
- Status
- Opposition Rejected
- Aug 11, 2023
- Publication Date
- Mar 24, 2021
- External Links
- Slate, Register , Google Patents