Pickup cartridge

Details Pickup cartridge Pickup cartridge

1980-09-26

1983-01-11

Konick, Bernard

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Mechanical modification or sensing of storage medium

369149, H04R 1112

Patent

active

043685285

ABSTRACT:
A pickup cartridge comprises a magnetic circuit having an air gap, a coil wound on the magnetic circuit and a cantilever having a permanent magnet inserted in to the air gap. In this case, the magnetic circuit comprises a delta-shaped jointless core having the air gap at its vertical angle, and the coil is inserted through the air gap and fixed to the core.

REFERENCES:
patent: 2456388 (1948-12-01), Cornwell
patent: 4140886 (1979-02-01), Itoh
patent: 4177360 (1979-12-01), Fujimoto et al.
patent: 4271335 (1981-06-01), Okura

Affiliated with

Also associated with

Rating

Pickup cartridge does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pickup cartridge, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pickup cartridge will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-781374