Information signal regenerating stylus and manufacturing method

Details Information signal regenerating stylus and manufacturing method Information signal regenerating stylus and manufacturing method

1984-07-10

1985-08-13

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51327, 369173, 369126, 369 71, B24B 100

Patent

active

045341362

ABSTRACT:
An information generating stylus to regenerate an information signal on a stylus base on which an electrode is applied as a variance of electrostatic capacity in conjunction with a running disc recording medium in which the information signal is recorded as a variance in a geometrical shape and a manufacturing method thereof, which comprises forming a prism with a part of the side on which said electrode is provided working as one side therefor on a tip of the conical or pyramidal stylus base with the electrode formed on one side, forming a sliding face with the disc recording medium on a tip of the prism.

REFERENCES:
patent: 4098030 (1978-07-01), Fuhrer et al.
patent: 4104832 (1978-08-01), Keizer
patent: 4398282 (1983-08-01), Segawa et al.

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