The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 07, 1997
Filed:
May. 23, 1994
Dana Hall, Bellingham, MA (US);
Haim Bitner, Raanana, IL;
Quantum Corporation, Milpitas, CA (US);
Abstract
A method and an apparatus for packing variable size user data records into fixed size blocks on a storage medium. The invention includes the steps of receiving user data of variable record lengths along with error detection information; creating a data page for each user data record; building a map entry of record packing information for each data page; and storing each data page and its associated map within the same physical record on a storage medium. The data pages being stored in consecutive order and the map entries are stored in reverse order. A predetermined number of physical blocks are combined to form a logical block and a predetermined number of logical blocks form an entity.