Dynamic magnetic information storage or retrieval – Head – Head accessory
Patent
1979-06-04
1981-09-22
Eddleman, Alfred H.
Dynamic magnetic information storage or retrieval
Head
Head accessory
360 99, 360133, 360137, G11B 541, G11B 2302
Patent
active
042913535
ABSTRACT:
A system and method for removing debris and other contaminants from a magnetic head transducer including a head cleaning cartridge containing a flexible sheet of abrasive material for cleaning and polishing the head transducer. The cartridge has a recess in an external surface thereof to distinguish it from a normal recording cartridge. The system includes a sensor member such as a switch for mating with the cartridge recess and indicating that a head cleaning cartridge, rather than a recording cartridge, has been inserted into the system. The system is responsive to a indication from the sensor member that a head cleaning cartridge has been inserted for rotating the abrasive sheet and moving the head transducer back and forth across the abrasive sheet for a predetermined period of time, thereby cleaning and polishing the head transducer.
REFERENCES:
patent: 4065798 (1977-12-01), Sugisaki et al.
patent: 4079427 (1978-03-01), Mann
patent: 4106067 (1978-08-01), Masuyama et al.
patent: 4180840 (1979-12-01), Allan
IBM Tech. Disc. Bull., King, Cleaner for The Access Arm and Magnetic Head for Magnetic Disks, vol. 19, No. 3, Aug. 1976, pp. 1037-1038.
IBM Tech. Disc. Bull., G. R. Knutson et al., Abrasive Diskette for Lapping and Cleaning Recording Heads, vol. 20, No. 8, Jan. 1978, pp. 3231-3232.
Brown Sheldon H.
Fletcher Robert L.
Rittman Alan H.
VanLandingham Richard D.
Eddleman Alfred H.
Heiting Leo N.
Marshall, Jr. Robert D.
Sharp Melvin
Texas Instruments Incorporated
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