Inventor

FASEN DONALD J

US51 patents

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

FASEN DONALD J

HEWLETT PACKARD DEVELOPMENT CO

System and method for reducing tracking noise in a tape drive

Method and apparatus for servo code based tape tension measurement

Image banding compensation method

Drive calibration method and system

Sensor with varying capacitance based on relative position between objects

System and method for controlling movement

Capacitance-based position sensor with integrating demodulator

Electrostatic drive

Data storage module suspension system

Data storage module suspension system having primary and secondary flexures

Systems for controlling storage device emitters

Method for reduction of off-track errors or write failures in data storage tape systems

Method and apparatus for storing data on magnetic tape

Print substance output adjustments

Method and apparatus for determining position of a storage medium

Storage device with pulsed motor torque

Memory

Semiconductor wafer

Method and system for determining position of a body

Pixel

HEWLETT PACKARD CO

Servo band identification in linear tape systems having timing based servo formats

Servo band verification in linear tape systems having timing-based servo formats

Flexure coupling block for motion sensor

Linear speed measurement independent of lateral position in linear tape systems

Device for reading data from or writing data to magnetic storage media and a method of positioning a tape head relative to the magnetic storage media

Postponable servo code selection

Postponable servo code selection

Servo system for following a magnetic track having identifying pulse widths

Track position syncopation cancellation in a disk drive

Servo system and method with digitally controlled oscillator

Head positioning system with photosensor

Servo system and method with multiple phase clock

Circuit provides a normalized position signal for lateral photoeffect position sensor

Process and system for compensating for information shifts on disc storage media

Circuit for lateral photoeffect position sensor

FASEN DONALD J

Tape width measurements

Tape head length adjustment

Sensor position adjustment with media velocity relative sample timing

Servo write head gap width correction

Controlling positions of storage media heads

Servo pattern read-back signal processing for storage devices

Actuator with non-moving mass

Tape drive retry

Non-radial bearing preload

Reducing a noise component associated with movement of a moveable part

HEWLETT PAKCARD COMPANY

Three-axis motion sensor

POORMAN PAUL W

Transducer head assemblies and modules

HEWLETT PACKARD ENTPR DEV LP

Tension feedback for tape tension

MCALLISTER JEFFREY S

Identifying error built into a medium

VAN LYDEGRAF CURT N

Parallel data storage device