Servowriter/certifier
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 26, 1994
Grant Date -
N/A
app pub date -
Oct 3, 1991
filing date -
Oct 3, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A microcomputer controlled media and disk testing system having a media servowriting subsystem and a certification subsystem. The servowriting subsystem comprises a precision magnetic read/write (R/W) head positioning device based on a laser positioning device and pattern generating and writing circuitry. The certification subsystem comprises of an apparatus to open bit windows and adjust thresholds and to assess the quality and nature of defects from the positions of bits and their analog characteristics when read back relative to such windows.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully