Record disc foil support system with charge leakage means

Details Record disc foil support system with charge leakage means Record disc foil support system with charge leakage means

1974-04-02

1976-01-13

Konick, Bernard

Dynamic magnetic information storage or retrieval

Head

Core

360 99, 360 97, 360135, 317 2F, G11B 908, G11B 512, H05F 300

Patent

active

039327108

ABSTRACT:
In a recording or playback system in which information is stored along a spiral track on a flexible record carrier foil which rotates at a high velocity on an air cushion above a stabilization surface, and playback is to be effected according to the pressure sensing technique, the adverse effects of static electrical charges which can be created when frictional contact occurs between the foil and points on the stabilization surface are eliminated by providing the stabilization surface with a grounded electrically conductive region in the vicinity of the path followed by a signal transducer along a radius of the foil plane as it traces the sprial track and by causing the foil to be closer to the conductive region than to the mass of the transducer.

REFERENCES:
patent: 3191179 (1965-06-01), Pelech
patent: 3767865 (1973-10-01), Schuller

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