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US 4,502,135 AGranted
Pickup cartridge having improved stylus flylead
AssigneeRCA Corporation
InventorAnil R. Dholakia
Life of this patent
Estimating the term…
Abstract
A pickup cartridge comprises a stylus arm having a stylus disposed at one end, and having the other end thereof flexibly supported in the cartridge. A flylead connects an electrode arranged on the stylus to a terminal mounted on the cartridge. In accordance with the instant invention, the stylus flylead is covered with a damping compound to improve the reliability of high speed scanning of the disc.
Claims7
A protective cartridge for housing a pickup stylus including an electrode adapted for recovering prerecorded information from a disc record;
- said protective cartridge comprising:
- (A) a compliant stylus holder for supporting said pickup stylus;
- (B) a stylus arm having said compliant stylus holder disposed at one end thereof, and having its other end yieldably supported in said cartridge;
- (C) a stylus flylead, separate from said stylus holder, for electrically connecting said stylus electrode to a terminal disposed on said cartridge;
- and
- (D) means for damping said stylus flylead consisting of a coating of damping material disposed on said flylead.
3 more elements
Dependencies are inferred from the claim text.