Inventor

LLEWELLYN WILLIAM D

US29 patents

⚠️ This page may combine multiple inventors who share the name “LLEWELLYN WILLIAM D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LLEWELLYN WILLIAM D

NAT SEMICONDUCTOR CORP

Simplified window de-skewing in a serial data receiver

Multi-tap digital delay line

Method of reading and writing data on a magnetic medium

Frequency synthesizing phase lock loop with unvarying loop parameters

Multiple biasing phase-lock-loops controlling center frequency of phase-lock-loop clock recovery circuit

Single channel serial data receiver

Single-ended pulse gating circuit

Current mirror with improved input voltage headroom

NPN Transistor current mirror circuit

Multiple gap read/write head for data storage devices

Multiple gap read/write head for data storage devices

Low-current digital-to-analog converter

Attenuating voltage follower circuit

Unity-gain, wide bandwidth, bipolar voltage follower with a very low input current

TRIPATH TECHNOLOGY INC

DC offset self-calibration system for a switching amplifier

DC offset self-calibration system for a digital switching amplifier

Noise reduction scheme for operational amplifiers

Method and apparatus for controlling an audio signal level

Methods and apparatus for enabling or disabling an amplifier

Noise reduction scheme for operational amplifiers

FAIRCHILD SEMICONDUCTOR

Protection of a speaker using temperature calibration

Dual-mode voltage doubling buck converter with smooth mode transition

Methods and apparatus related to protection of a speaker

Amplifier current drive reversal

LLEWELLYN WILLIAM D

Class D pulse width modulator with dual feedback

Amplifier crosstalk cancellation technique

Edge rate control

Subsonic test signal generation technique

(unassigned)

Spring starter for a hard disk drive platter assembly