Rotary head type reproducing apparatus

Details Rotary head type reproducing apparatus Rotary head type reproducing apparatus

1985-03-11

1986-12-16

Stellar, George G.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 102, G11B 556

Patent

active

046301461

ABSTRACT:
In an apparatus of the kind arranged to reproduce, with a plurality of rotary heads, an information signal from a record bearing medium having many recording tracks which are parallel to each other with the information signal recorded therein and with a plurality of different pilot signals of different frequencies also recorded one by one, one in each of the recording tracks, a plurality of different reference signals of different frequencies are simultaneously generated. A tracking error is detected by using the different reference signals together with the pilot signals which are included in signals reproduced from the plurality of rotary heads.

REFERENCES:
patent: 4550345 (1985-10-01), Terada et al.
patent: 4558378 (1985-12-01), Shibata et al.
patent: 4558382 (1985-12-01), Edakubo et al.
patent: 4563714 (1986-01-01), Takeuchi
patent: 4566045 (1986-01-01), Weissensteiner
patent: 4568986 (1986-02-01), Furuhata et al.
patent: 4573089 (1986-02-01), Maeda et al.
patent: 4581658 (1986-04-01), Azuma et al.
patent: 4581659 (1986-04-01), Azuma et al.
patent: 4587580 (1986-05-01), Takayama et al.

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