Storage apparatus including a semiconductor memory and a disk dr

Details Storage apparatus including a semiconductor memory and a disk dr Storage apparatus including a semiconductor memory and a disk dr

1987-10-08

1990-03-13

Gossage, Glenn A.

Static information storage and retrieval

Hardware for storage elements

365229, 365228, 360 9701, 369 751, G11C 502, G11B 5012, G11B 3302

Patent

active

049087932

ABSTRACT:
An information recording and reproducing apparatus comprises a 31/2 inch hard disk drive, a semiconductor memory connected to the 31/2 inch hard disk drive for exchanging data, and a battery used to trasfer data in the semiconductor memory to the 31/2 inch hard disk drive when a power supply is shut off, all of which are accommodated in a housing of the same outer dimension as that of a 51/4 inch floppy disk drive. The information recording and reproducing apparatus is replaceable with a conventional floppy disk drive and can attain high speed accessing.

REFERENCES:
patent: 3810116 (1974-05-01), Prohofsky
patent: 4568988 (1986-02-01), McGinlay et al.
patent: 4713756 (1987-12-01), MacKiewicz et al.
"Nikkei Electronics", pp. 153-172 published on Sep. 23, 1985.

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