Elongated phonograph pick-up head with snap-together constructio

Details Elongated phonograph pick-up head with snap-together constructio Elongated phonograph pick-up head with snap-together constructio

1983-07-25

1989-01-31

Cardillo, Raymond F.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Mechanical modification or sensing of storage medium

369170, 369172, 369256, G11B 300, G11B 344

Patent

active

048020818

ABSTRACT:
A stereo phonograph pick-up head or cutter has a slim elongated construction utilizing an elongated mount having connector pins at its rear end. Two elongated pole pieces fit into the mount, each having a socket at its rear end. Each coil is wound around a long straight pole rod whose rear end fits into a respective socket and whose front end bounds the transducing gap. A screening shell, part of which forms a common pole piece, slides lengthwise over the holder, and is glued thereto. The stylus unit is slid over the front end of the screening shell, with the stylus magnetic element sliding between the screening shell and pole pieces into the transducing gap.

REFERENCES:
patent: 3062925 (1964-11-01), Pritchard
patent: 3146319 (1964-08-01), Stanton
patent: 3297831 (1967-01-01), Stanton
patent: 3404895 (1968-10-01), Hathaway
patent: 4031335 (1977-06-01), Smit
patent: 4103117 (1978-07-01), Morinaga
patent: 4174111 (1979-11-01), Grado
patent: 4381129 (1983-04-01), Krenz
patent: 4456984 (1984-06-01), Van Wijk
patent: 4534022 (1985-08-01), Leipnitz

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