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Browse by Category: Main > Information Technology
Class Information
Number: 360/54
Name: Dynamic magnetic information storage or retrieval > General processing of a digital signal > Data recirculation
Description: Subject matter including recording, reproducing and re-recording data in one continuing operation.


Patents under this class:

Patent Number Title Of Patent Date Issued
7031085 Version tracking of disk write operations Apr. 18, 2006
6995936 Information recording apparatus and information recording method Feb. 7, 2006
6980385 Apparatus for information recording and reproducing Dec. 27, 2005
6903887 Multiple level (ML), integrated sector format (ISF), error correction code (ECC) encoding and decoding processes for data storage or communication devices and systems Jun. 7, 2005
6791776 Apparatus for information recording and reproducing Sep. 14, 2004
6683738 Storage device for reliably maintaining data in a reproducible state for a long period of time Jan. 27, 2004
6549350 Storage device for reliably maintaining data in a reproducible state for a long period of time Apr. 15, 2003
6437931 Storage device for reliably maintaining data in a reproducible state for a long period of time Aug. 20, 2002
6404571 Storage device for reliably maintaining data in a reproducible state for a long period of time Jun. 11, 2002
6347353 Information medium having digital signals recorded thereon Feb. 12, 2002
6266201 Multiple channel rewrite system Jul. 24, 2001
6243221 Storage device for reliably maintaining data in a reproducible state for a long period of time Jun. 5, 2001
6154806 Method for recording digital signals on multiple-layered disks Nov. 28, 2000
6151580 Audio playback apparatus Nov. 21, 2000
6084729 Storage device for reliably maintaining data in a reproducible state for a long period of time Jul. 4, 2000
5995306 Handling defective frames on hard sectored magnetic tape Nov. 30, 1999
5926334 Noise reduction system for an audio system Jul. 20, 1999
5923485 Storage device for reliably maintaining data in a reproducible state for a long period of time Jul. 13, 1999
5909329 High-speed video printer with tracking adjustment of slave tape Jun. 1, 1999
5909334 Verifying write operations in a magnetic disk drive Jun. 1, 1999
5617264 Method and apparatus for rewriting data to a floppy disk by storing reproduced data in a memory Apr. 1, 1997
5612829 Data recording control method of magnetic tape Mar. 18, 1997
5485606 System and method for storing and retrieving files for archival purposes Jan. 16, 1996
5371634 Arrangement for obtaining prerecorded digital music cassettes Dec. 6, 1994
5173815 Recording position compensation circuit for use in digital information recording-reproduction apparatus Dec. 22, 1992
5142422 Dual channel helical recorder Aug. 25, 1992
5075804 Management of defect areas in recording media Dec. 24, 1991
4935825 Cylinder defect management system for data storage system Jun. 19, 1990
4885735 Information recording and reproducing apparatus with management of defective sector Dec. 5, 1989
4825306 Video translation system for translating a binary coded data signal into a video signal and vice-versa Apr. 25, 1989
4718074 Dejitterizer method and apparatus Jan. 5, 1988
4620243 Disk drive incremental rewrite Oct. 28, 1986
4559568 Apparatus for re-recording a digital signal on a record medium and for reproducing the same therefrom Dec. 17, 1985
4405952 Apparatus for detecting faulty sectors and for allocating replacement sectors in a magnetic disc memory Sep. 20, 1983
4353129 Digital data transmission system Oct. 5, 1982
4016547 Mos shift register compensation system for defective tracks of drum storage system Apr. 5, 1977
3945035 Method and means for filtering and amplifying signal components of desired frequency Mar. 16, 1976
3935593 Multi-media production programmer Jan. 27, 1976



 
 
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