NL144414B -
METHOD OF RECORDING A SOUND SIGNAL ON A GRAMOPHONE DISC AND GRAMOPHONE DISC MANUFACTURED IN ACCORDANCE WITH THIS METHOD, AND A DEVICE FOR USING THIS METHOD.
- Google Patents
METHOD OF RECORDING A SOUND SIGNAL ON A GRAMOPHONE DISC AND GRAMOPHONE DISC MANUFACTURED IN ACCORDANCE WITH THIS METHOD, AND A DEVICE FOR USING THIS METHOD.
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Publication of NL144414BpublicationCriticalpatent/NL144414B/en
H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
NL63295647A1948-07-12
METHOD OF RECORDING A SOUND SIGNAL ON A GRAMOPHONE DISC AND GRAMOPHONE DISC MANUFACTURED IN ACCORDANCE WITH THIS METHOD, AND A DEVICE FOR USING THIS METHOD.
NL144414B
(en)
METHOD OF RECORDING A SOUND SIGNAL ON A GRAMOPHONE DISC AND GRAMOPHONE DISC MANUFACTURED IN ACCORDANCE WITH THIS METHOD, AND A DEVICE FOR USING THIS METHOD.
METHOD OF RECORDING A SOUND SIGNAL ON A GRAMOPHONE DISC AND GRAMOPHONE DISC MANUFACTURED IN ACCORDANCE WITH THIS METHOD, AND A DEVICE FOR USING THIS METHOD.
Device for magazine gramophones with automatic disc change and with means for providing an adjustable increase in the time between playback of two gramophone records.