Dynamic magnetic information storage or retrieval – Head – Head accessory
Patent
1981-08-05
1983-10-25
Eddleman, Alfred H.
Dynamic magnetic information storage or retrieval
Head
Head accessory
360137, 360 93, G11B 541, G11B 2350
Patent
active
044122632
ABSTRACT:
A recording head protective overlay arrangement with an alarm capability is provided. The protective overlay is continuously replenishable between the recording surface of the recording head and the recording medium and is movable in a direction opposite to that of the recording medium so as to provide a cleaning function as well as a wear-preventive function. A dispenser cartridge housing the protective overlay is provided which is specially designed to closely conform to the recording head. A pivotable cartridge holder is included for enabling the cartridge to be inserted in a position remote from the recording head and pivotable into an operative position with the recording head. The tape medium itself and various components operatively associated therewith are pivotably mounted, to provide movement of the medium into intimate operative contact with the overlay and the recording head.
REFERENCES:
patent: 2905767 (1959-09-01), Eckert, Jr. et al.
patent: 3731289 (1973-05-01), Bajgert et al.
patent: 4004314 (1977-01-01), Post et al.
patent: 4178405 (1979-12-01), Berkowitz
patent: 4257079 (1981-03-01), Yoshizawa
patent: 4266256 (1981-05-01), Kato et al.
IBM Tech. Discl. Bull., G. F. Pennell et al., Magnetic Read Head Protector, vol. 21, No. 3, Aug. 1978, pp. 978-979.
Cieplik Ronald J.
Nelson Alfred M.
Rasekhi Houshang
Eddleman Alfred H.
Funk Joseph E.
Shanahan Michael H.
Wang Laboratories, Inc.
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