FR75673E - élément convertisseur utilisable dans un dispositif pour enregistrer ou explorer une piste d'enregistrement en forme de sillon
- Google Patents
élément convertisseur utilisable dans un dispositif pour enregistrer ou explorer une piste d'enregistrement en forme de sillon
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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Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Priority to FR793973ApriorityCriticalpatent/FR75673E/fr
Application grantedgrantedCritical
Publication of FR75673EpublicationCriticalpatent/FR75673E/fr
H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
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Physics & Mathematics
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Engineering & Computer Science
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Acoustics & Sound
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Signal Processing
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FR793973A1958-03-201959-05-05élément convertisseur utilisable dans un dispositif pour enregistrer ou explorer une piste d'enregistrement en forme de sillon
ExpiredFR75673E
(fr)