Electrical control safety system comprising photocells or equivalent sensors
First Claim
1. An electrical control safety system comprising two safety devices applied on a sliding gate, the control safety system being cyclically able to make to operate during a first operating time interval the first safety device while the second safety device is disabled, and being cyclically able during a second operating time interval, subsequent to the first one, to make to operate the second safety device while the first safety device is disabled.
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Accused Products
Abstract
Electrical control safety system comprising two photocells or equivalent sensors applied on a sliding gate CA, the two photocell systems FC1, FC2 being composed respectively of at least two transmitters FC1-T,FC2-T and two receivers FC1-R,FC2-R, and the control safety system being cyclically able to make to operate during a first operating time interval the first photocell system FC1 while the second photocell system is disabled, and being cyclically able during a second operating time interval, subsequent to the first one, to make to operate the second photocell system FC1 while the first photocell system is disabled.
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Citations
18 Claims
- 1. An electrical control safety system comprising two safety devices applied on a sliding gate, the control safety system being cyclically able to make to operate during a first operating time interval the first safety device while the second safety device is disabled, and being cyclically able during a second operating time interval, subsequent to the first one, to make to operate the second safety device while the first safety device is disabled.
Specification