G11B3/72 - CPC Classification Index

ClassID:

197656 ⎘

G11B3/72 - CPC Classification

Classification description:

Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor; Record carriers Groove formations, e.g. run-in groove, run-out groove

Sub-classes:

G11B3/74 » Multiple output tracks, e.g. binaural stereophonic 0
G11B3/76 » forming part of cinematograph films 0

Recent Application in this class:

20230360669

2023-11-09

Cutter unit for cutting a phonographic record, cartridge for a cutter unit, blank for a phonographic record and method for reading information from a blank