Magnetic information transducer assembly

Details Magnetic information transducer assembly Magnetic information transducer assembly

1976-09-02

1978-11-07

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Plural gaps

29603, G11B 527, G11B 542

Patent

active

041248740

ABSTRACT:
Apparatus for reproducing magnetically recorded information comprise first and second reproduce heads for reproducing magnetically recorded information from a magnetic recording channel alternatively at first and second tape speeds. These reproduce heads include spaced pairs of matching pole pieces defining air gaps, and spacer elements between these pairs of matching pole pieces. The pole pieces and spacer elements are bonded into a solid unit by a bonding material filling the air gaps and bonding the pole pieces in each pair, the spaced pairs and the spacer elements to each other. Magnetic yokes are magnetically coupled to the bonded pole pieces and electromagnetic windings are magnetically coupled to the yokes.

REFERENCES:
patent: 2885488 (1959-05-01), Andrews
patent: 3357005 (1967-12-01), Geurst et al.
patent: 3478340 (1969-11-01), Schwartz et al.
patent: 3529349 (1970-09-01), Van De Schoot et al.
patent: 3819348 (1974-06-01), Murray
patent: 3842494 (1974-10-01), Chiba et al.
"Magnetic Recording", Lowman, McGraw-Hill, 1972, p. 35.

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