Inventor

HENDRIKS FERDINAND

US59 patents

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

HENDRIKS FERDINAND

IBM

Projector and camera arrangement with shared optics and optical marker for use with whiteboard systems

Projector and camera arrangement with shared optics and optical marker for use with whiteboard systems

Method and system for digital image acquisition and continuous zoom display from multiple resolutional views using a heterogeneous image pyramid representation

Shielded air bearing slider

Programmable air bearing slider including magnetic read/write element

Architecture for guiding the air flow in a disk storage device

Air bearing slider having projections that provide minimal actual contact area

Methods and apparatus for associating a user with content in a collaborative whiteboard system

Projector and camera arrangement with shared optics and optical marker for use with whiteboard systems

Speed and skew independent, air bearing slider

Axial droplet aspirator

Disk drive with passive multiple fly height slider and cooperative disk pattern

Speed independent, air bearing slider

Passive touch-sensitive optical marker

Robot precision probe positioner with guidance optics

Apparatus and methods for maintaining a substantially constant temperature in a thermal proximity sensor

Fluid pressure and velocity sensing apparatus

Guard jets in multiple nozzle printing

HITACHI GLOBAL STORAGE TECH

System, method, and apparatus for aerodynamic diverter integrated with a diffuser in a bypass channel for applications in a disk storage device

Hard disk drive with aerodynamic diffuser, contraction, and fairing for disk base and re-acceleration drag reduction

Aerodynamic diffuser, contraction, and fairing for disk base and re-acceleration drag reduction in hard disk drives

Spindle motor having variably grooved radial and thrust bearing with reduced groove angle near bearing entry

Method and apparatus for increasing the buffer volume in a fluid dynamic bearing

Collapsible bypass channel disposed outside of disk drive housing

Fluid dynamic bearing assembly for directing bubbles

Disk drive having reduced variation of disk surface lubricant layer thickness

Aerodynamic diverter integrated with a diffuser and a contraction in a bypass channel for a disk storage device

Lapping plate texture for increased control over actual lapping force

Fluid bearing with a variable depth groove

Apparatus and method for integral filter and bypass channel in a hard disk drive

Apparatus and method for guiding bypass reentry flow through contraction and filter in a hard disk drive

System, method, and apparatus for applying boundary layer manipulation techniques to the air flow inside rotary disk storage devices

HITACHI GLOBAL STORAGE TECH NL

Reducing the obstruction of air flow through a bypass channel associated with a disk drive using an electrostatic pass-by filter

System, method, and apparatus for lightweight spoiler wing design for de-populated disk drives

Spoiler with integrated bypass channel wall for HDD applications

Flow modifiers for improved magnetic recording device

System, method and apparatus for wall slot in disk drive bypass channel for enhanced voice coil motor cooling

Apparatus and method for reducing turbulence of airflow in a hard disk drive

System, method, and apparatus for slit shroud with integrated bypass channel wall feature for disk drive applications

Air pump in a hard disk drive (HDD)

HENDRIKS FERDINAND

System and method to electrically ground fluid dynamic bearings

Method and system for providing hard disk shrouds with aerodynamic fences for suppressing flow induced disk excitation

FELISS NORBERT A

Predicting operational problems in a hard-disk drive (HDD)

Reducing the obstruction of air flow through a bypass channel associated with a disk drive using an electrostatic pass-by filter

CHAN ANDRE S

System, method and apparatus for integrated bypass channel and diverter for hard disk drives

System, method and apparatus for disk drive recirculation filter having inlet and outlet disk rim shrouding

HGST Netherlands BV

Hard disk having a squeeze air bearing for rotating a disk

Aerodynamic device directing pressurized airflow to ports in the device for aerostatic sealing in a hard disk drive(HDD)

ABE YUKINOBU

Apparatus and method for reducing turbulence of airflow in a hard disk drive

GUO XING-CAI

System, method and apparatus for enhanced cleaning and polishing of magnetic recording disk