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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KARL GOTTFRIED RAMMELSBERG
Original Assignee
KARL GOTTFRIED RAMMELSBERG
Publication date
Priority to DER47187DpriorityCriticalpatent/DE360299C/de
Application grantedgrantedCritical
Publication of DE360299CpublicationCriticalpatent/DE360299C/de
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
G11B3/44—Styli, e.g. sapphire, diamond
G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
G11B3/48—Needles
Description
Hierzu 1 Blatt Zeichnungen.
Claims (2)
Patent-An Sprüche:
i. Aufnahmestift für Sprechapparate nach Patent 300220, dadurch gekennzeichnet,
daß die abwärtsgerichteten Kanten der Arbeitsfläche gebrochen sind und die zur Kantenbrechung angeschliffenen
Flächen (b, c) vorn in einer Kante (d) zusammenlaufen.
2. Aufnahmestift nach Anspruch 1, dadurch gekennzeichnet, daß die Flächen
(b, c) konvex oder konkav sind.