Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electro Precision SA
Original Assignee
Electro Precision SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electro Precision SAfiledCriticalElectro Precision SA
Priority to ES281683ApriorityCriticalpatent/ES281683A1/en
Publication of ES281683A1publicationCriticalpatent/ES281683A1/en
Anti-theft system, characterized in that it comprises an alarm relay equipped with an excitation winding connected to a power supply in series with two delayed-action switches, one of them with normal open position and delay in closing and the other of closed normal position and with delay in the opening, whose winding actuates an alarm contactor connected by one end directly to the power supply, and a switching switch connected by its common contact with said source through a control switch, the normally closed position alarm contactor being, and the opposite end of which is connected with continuous alarm devices, while the operating switch has its normally closed contact connected with a deferred drive device, controlled by a detector relay and a relay of retention and its normally open contact connected in retention circuit for the deva i am the exciter of the alarm relay itself. (Machine-translation by Google Translate, not legally binding)
ES281683A1962-10-091962-10-09Anti-theft system (Machine-translation by Google Translate, not legally binding)
ExpiredES281683A1
(en)
Device for putting out of service, at least, one of the modes of operation of a recording and/or reproduction device. (Machine-translation by Google Translate, not legally binding)