Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Data recording/reproducing method and apparatus having means for reliable detection of unrecorded sectors










Image Number 4 for United States Patent #5359584.

In recording data on a disk-shaped information recording medium having formed thereon a plurality of concentric or spiral tracks each being divided into a plurality of sectors each having an ID field and a data field, a data mark is selected from a plurality of distinct data marks according to an address of a target sector such that the selected data mark is different from a data mark recorded in an adjacent sector which is contained in an adjacent track. The selected data mark is recorded at the start position of the data field of the target sector. In reproducing the recorded data, a data mark is selected from the plurality of distinct data marks according to an address of a target sector, and is compared with a data mark reproduced from the target sector to detect whether the reproduced data mark coincides with the selected data mark. Sector data in the target sector is reproduced only when the reproduced data mark coincides with the selected data mark.








 
 
  Recently Added Patents
Method for configuring analog-to-digital converter keys and non-transitory machine readable medium storing program code executed for performing such method
Methods for non-linear image blending, adjustment and display
Electronic product design
Light modulators and optical apparatuses including the same
Autobrake and decel control built-in test equipment
Liquid low temperature injection molding process
Hydrothermal synthesis of nanocubes of sillenite type compounds for photovoltaic applications and solar energy conversion of carbon dioxide to fuels
  Randomly Featured Patents
Compression apparatus
Organic tricyclic compounds
Rescue arrangement
Tonal correction of speech
Photographic image region extracting apparatus and copying apparatus
Soluble lymphotoxin-beta receptors and anti-lymphotoxin receptor and ligand antibodies as therapeutic agents for the treatment of immunological diseases
Intervertebral disc with monitoring and adjusting capabilities
Rotary valve
Method for setting the shoe position in an extended-nip press and extended-nip press
Softphone