Pickup cartridge

Details Pickup cartridge Pickup cartridge

1978-08-09

1980-06-03

Phillips, Charles E.

Undertaking

G11B 302

Patent

active

042058562

ABSTRACT:
A pickup cartridge for reproducing disk-shaped record carriers having a spiral groove as an information track carrying audio and/or video information. A horn-shaped resilient seal member prevents entry of foreign matters, such as moisture or dust into the cartridge casing, through which member a cantilever carrying at its front end a stylus extends. This seal member keeps characteristics of the cartridge transducer within the casing always optimum.

REFERENCES:
patent: 2563860 (1951-08-01), Moore
patent: 2991331 (1961-07-01), Ross
patent: 3377439 (1968-04-01), Rouy
patent: 3992017 (1976-11-01), Mori et al.

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