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
AssigneePhonocut Maschinen GmbH
InventorsFlorian Kaufmann, Steve Knuchel, Mario Weiss, Martin Sigrist
Life of this patent
Estimating the term…
Abstract
A cutter unit for carrying a cutter for cutting a phonographic record includes a cutter carrier and a cutter head. The cutter head is carried by the cutter carrier and arranged to be displaced relative to the cutter carrier, in particular to rotate around a cutter pivot, the cutter unit being arranged in a cartridge enclosing and protecting the cutter unit.
Claims22
A cutter unit for carrying a cutter for cutting a phonographic record,
- the cutter unit comprising a cutter carrier and a cutter head,
- the cutter head being carried by the cutter carrier and arranged to be displaced relative to the cutter carrier,
- the cutter unit being arranged in a cartridge enclosing and protecting the cutter unit.
A blank for a phonographic record, the blank being a flat disc and comprising on at least one side an annular region in which a height of the surface of the blank varies with angular location, with variations in the height representing a height signal, the height signal encoding information associated with the blank.
Dependencies are inferred from the claim text.