The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 22, 2006
Filed:
Dec. 19, 2002
Christian Klingelhoefer, Freiburg, DE;
Manfred Haberer, Riegel, DE;
Ana Maestro, Freiburg, DE;
Georg Plasberg, Bahlingen, DE;
Christian Klingelhoefer, Freiburg, DE;
Manfred Haberer, Riegel, DE;
Ana Maestro, Freiburg, DE;
Georg Plasberg, Bahlingen, DE;
Sick AG, Waldkirch/Breisgau, DE;
Abstract
A protective device working in a contact-free manner for the securing of a danger zone of a machine or the like comprises an optical evaluation field and a control and evaluation device which allows, in addition to a securing operation, in which a warning or machine stop signal is generated as a result of a respective intrusion into the evaluation field, a cyclical operation in which a release signal is generated as a result of at least one respective intrusion into the evaluation field in order to release a respective machine cycle, with one and the same evaluation field being provided for securing operation and for cyclical operation and with the control and evaluation device being designed such that only a part of the evaluation field is monitored accordingly both for securing operation and cyclical operation.