US2006117137A1PendingUtilityA1

System and method to enable efficient communication with a dynamic information storage and retrieval system, or the like

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Assignee: MATSUBA YASUTOMOPriority: Apr 28, 2003Filed: Jan 9, 2006Published: Jun 1, 2006
Est. expiryApr 28, 2023(expired)· nominal 20-yr term from priority
Inventors:Yasutomo MatsubaSatoru Yamauchi
G06F 2212/313G06F 2212/211G06F 12/0873G06F 2212/601
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Claims

Abstract

An information storage and retrieval system ( 40 ) and method for operating same has a host device ( 42 ) and an information storage device ( 41 ), which includes mass data storage means ( 54 ), such as a DVD, a DVD RAM, CD-ROM, alone, or in combination. The information storage device ( 41 ) includes a cache memory ( 48 ) for holding data as it is being written to the mass data storage means ( 54 ). The host device ( 42 ) is connected to the cache memory ( 48 ) to control a size of the cache memory that can be utilized to hold the data to be written to the mass data storage means ( 54 ), to control, for instance, the flush, seek, busy, and/or overhead times of the information storage device ( 41 ).

Claims

exact text as granted — not AI-modified
1 . An information storage and retrieval system, comprising: an information storage device; 
 said information storage device including a cache memory for holding data as it is being written to said information storage device; and    a host device associated with said information storage system, said host device being connected to said cache memory to control a size of said cache memory that can be utilized to hold said data.    
   
   
       2 . The information storage and retrieval system of  claim 1  wherein said information storage device comprises a DVD drive.  
   
   
       3 . The information storage and retrieval system of  claim 1  wherein said information storage device comprises a DVD RAM.  
   
   
       4 . The information storage and retrieval system of  claim 1  wherein said information storage device comprises a CD-ROM drive.  
   
   
       5 . The information storage and retrieval system of  claim 1  wherein said information storage device comprises a both a DVD drive and a CD-ROM drive.  
   
   
       6 . An information storage and retrieval system, comprising: an information storage device; 
 said information storage device including a cache memory for holding data as it is being written to said information storage device; and    a host device connected to said information storage system to control a flush time thereof.    
   
   
       7 . The information storage and retrieval system of  claim 6  wherein said information storage device comprises a DVD drive.  
   
   
       8 . The information storage and retrieval system of  claim 6  wherein said information storage device comprises a DVD RAM.  
   
   
       9 . The information storage and retrieval system of  claim 6  wherein said information storage device comprises a CD-ROM drive.  
   
   
       10 . The information storage and retrieval system of  claim 6  wherein said information storage device comprises a both a DVD drive and a CD-ROM drive.  
   
   
       11 . An information storage and retrieval system, comprising: an information storage device; 
 said information storage device including a cache memory for holding data as it is being written to said information storage device; and    a host device connected to said information storage system to control an overhead time thereof.    
   
   
       12 . The information storage and retrieval system of  claim 11  wherein said information storage device comprises a DVD drive.  
   
   
       13 . The information storage and retrieval system of  claim 11  wherein said information storage device comprises a DVD RAM.  
   
   
       14 . The information storage and retrieval system of  claim 11  wherein said information storage device comprises a CD-ROM drive.  
   
   
       15 . The information storage and retrieval system of  claim 11  wherein said information storage device comprises a both a DVD drive and a CD-ROM drive.  
   
   
       16 . An information storage and retrieval system, comprising: an information storage device; 
 said information storage device including a cache memory for holding data as it is being written to said information storage device; and    a host device connected to said information storage system to control a busy time thereof.    
   
   
       17 . The information storage and retrieval system of  claim 16  wherein said information storage device comprises a DVD drive.  
   
   
       18 . The information storage and retrieval system of  claim 16  wherein said information storage device comprises a DVD RAM.  
   
   
       19 . The information storage and retrieval system of  claim 16  wherein said information storage device comprises a CD-ROM drive.  
   
   
       20 . The information storage and retrieval system of  claim 16  wherein said information storage device comprises a both a DVD drive and a CD-ROM drive.  
   
   
       21 - 31 . (canceled)  
   
   
       32 . A method for determining a cache size used in an information storage and retrieval system of the type having a host device interfaced to at least one mass data storage device by a bus, comprising: 
 determining an overhead time required by said host device; determining said cache size by multiplying a writing speed of said mass data storage device by the difference between an overhead time and a seek time.    
   
   
       33 . A method for determining a cache size used in an information storage and retrieval system of the type having a host device interfaced to at least one mass data storage device by a bus, comprising: 
 determining a busy time required by said host device; determining said cache size by multiplying said busy time by a sum of a writing speed of said mass data storage device and a speed of said bus.    
   
   
       34 - 40 . (canceled)

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