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.)
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Individual
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Individual
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Priority to ES0069680UpriorityCriticalpatent/ES69680U/en
Publication of ES69680UpublicationCriticalpatent/ES69680U/en
Shielding Devices Or Components To Electric Or Magnetic Fields
(AREA)
Abstract
Improved electromagnetic bell comprising a support and plastic box-lid, characterized in that the core of the coil with plastic support is established by a series of sheets of magnetic plate, while the bronze recoil spring is disposed with a greater power of attraction, avoiding parasitic noise in radio equipment and video disturbances in television. (Machine-translation by Google Translate, not legally binding)
ES0069680U1958-11-131958-11-13Improved electromagnetic bell (Machine-translation by Google Translate, not legally binding)
PendingES69680U
(en)
A warning device-switch with acoustic and luminous signal for receivers of television, radio and other electrical appliances (Machine-translation by Google Translate, not legally binding)