Abstract: A safety system in a portable tool (1) includes a pair of electrodes connected to a measurement and assessment unit, the measurement and assessment unit being an integrated circuit touch sensor device provided with a ground connector and with a sense electrode, wherein the ground connector is configured as internal floating ground connected to one electrode, the measurement and assessment unit configured for acquiring a reference capacity value measured between the two electrodes varies by a preset difference threshold with respect to the reference value, the safety signal being sent to a tool deactivation actuator.
Type:
Grant
Filed:
August 19, 2011
Date of Patent:
January 31, 2017
Assignee:
REDCAP TECHNOLOGY S.R.L.
Inventors:
Paolo Cappellari, Michele Norgia, Cesare Svelto
Abstract: Safety system in a portable tool (1) includes a pair of electrodes connected to a measurement and assessment unit, the measurement and assessment unit being an integrated circuit touch sensor device provided with a ground connector and with a sense electrode, wherein the ground connector is configured as internal floating ground connected to one electrode, the measurement and assessment unit configured for acquiring a reference capacity value measured between the two electrodes varies by a preset difference threshold with respect to the reference value, the safety signal being sent to a tool deactivation actuator.
Type:
Application
Filed:
August 19, 2011
Publication date:
June 20, 2013
Applicant:
REDCAP TECHNOLOGY S.r.l.
Inventors:
Paolo Cappellari, Michele Noriga, Cesare Svelto
Abstract: A device for protection from accidents comprises a protective support (2) to be interposed between an operator and a tool (3) to be used by said operator; the protection device further comprises cutoff/switching off means adapted to be active on the tool (3) at a minimum distance between the protective support (2) and the tool (3).
Type:
Grant
Filed:
November 25, 2005
Date of Patent:
May 3, 2011
Assignee:
Redcap Technology S.R.L.
Inventors:
Gian Andrea Rossi, Paolo Cappellari, Cesare Svelto, Michele Norgia