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.)
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
G11B3/68—Record carriers
G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
Landscapes
Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices
(AREA)
Plattensprechmaschine mit einer Einrichtung zur selbsttaetigen Rueckfuehrung der Nadel an den Anfang der Schallkurve behufs Wiederholung der Abspielung der Schallplatte