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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Publication of ES201169A1publicationCriticalpatent/ES201169A1/en
A magnetic head provided with a magnetic core interrupted by an air gap intended to be used in combination with magnetogram supports characterized in that at least the ends of the core which limit the air gap and preferably the entire core are of a ferrite such as that known under the name of "ferroxcube" (Machine-translation by Google Translate, not legally binding)
ES0201169A1950-12-301951-12-27A sound magnetic head (Machine-translation by Google Translate, not legally binding)
ExpiredES201169A1
(en)