Dynamic information storage or retrieval – Specific detail of information handling portion of system – Mechanical modification or sensing of storage medium
Patent
1981-08-17
1983-06-14
Stephan, Steven L.
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Mechanical modification or sensing of storage medium
G11B 344
Patent
active
043887147
ABSTRACT:
A technique for manufacturing a uniform configuration for at least two video disc styli, each stylus having a shank and a tip at one end of the shank, comprising the step of attaching an edge of a first plate of shank material to one edge of a strip of tip material different from the shank material, the strip having a face thereof oriented along a predetermined crystallographic plane. The strip is cut into the individual tips while the plate remains attached to the strip. The plate is then separated into the individual shanks to form the separate styli, whereby the orientation of the crystallographic plane with respect to the shank is uniform for all styli.
REFERENCES:
patent: 1041983 (1912-10-01), Edison
patent: 1914658 (1933-06-01), Funk
patent: 2173763 (1939-09-01), Olsen
patent: 2992007 (1961-07-01), Bondley
Cohen Donald S.
Magee Thomas H.
Morris Birgit E.
RCA Corporation
Stephan Steven L.
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