Inventor
FREITAS DAVID A
US10 patents
⚠️ This page may combine multiple inventors who share the name “FREITAS DAVID A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
8 patentsUS5602692AFeb 11, 1997
Sampled position error signal demodulation system for banded data disk drives
IBM30 citations92
US5966263AOct 12, 1999
Method and apparatus to increase head/AE select robustness for a system using multiple head servo write
IBM20 citations91
US5117199AMay 26, 1992
Fully differential follower using operational amplifier
IBM23 citations85
US5617536AApr 1, 1997
Method and apparatus for servo control with error detection of gray (pennington) code used for servo track ID
IBM7 citations73
US6377412B1Apr 23, 2002
Method and apparatus for improving baseline recovery of an MR head using a programmable recovery time constant
IBM6 citations72
US6038090AMar 14, 2000
Method and apparatus for improving baseline recovery of an MR head using a programmable recovery time constant
IBM12 citations72
US7844843B2Nov 30, 2010
Implementing power savings in HSS clock-gating circuit
IBM6 citations61
US7332932B2Feb 19, 2008
Serial link receiver with wide input voltage range and tolerance to high power voltage supply
IBM1 citations48