Dynamic magnetic information storage or retrieval – Head – Head accessory
Patent
1987-12-10
1989-07-11
Wolff, John H.
Dynamic magnetic information storage or retrieval
Head
Head accessory
G11B 541
Patent
active
048477168
ABSTRACT:
A method for cleaning transducer heads in a magnetic disk drive located within a device such as an electronic cash register comprising the steps of storing in a memory first data identifying the number of days of operation of the device required before a transducer head cleaning operation is to occur, storing in the memory second data identifying the number of days of operation since the last transducer head clean operation, storing in the memory third data identifying the number of transducer head cleaning operations that have been performed on the transducer heads, comparing the second data with the first data, displaying information suggesting that a transducer head clean operation be performed when the second data is equal to or greater than the first data, cleaning the transducer heads and printing the third data on a record member in response to the cleaning of the transducer heads.
REFERENCES:
patent: 4586100 (1986-04-01), Howe et al.
IBM Technical Disclosure Bulletin, vol. 26, No. 12, May 1984, "Method to Determine Tape Transport Cleaning Frequency, Based on Actual Amount of Tape Processed, with Operator Prompting Via Display".
Publication from Research Disclosure, Apr. 1987, No. 276, Kenneth Mason Publications Ltd., England, Entitled, "Adaptive Cleaner-Cartridge Message".
Bussan Matthew J.
Hawk Jr. Wilbert
Lavin Richard W.
NCR Corporation
Sessler Jr. Albert L.
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