Inventor

RYAN ROBERT P

US86 patents

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

RYAN ROBERT P

WESTERN DIGITAL TECH INC

Self-heating disk drive

Disk drive employing seek time vcm ir voltage calibration for velocity control of an actuator arm

Disk drive comprising spin down circuitry having a programmable signal generator for enhancing power and braking control

Disk drive comprising spin down circuitry having a power clamp circuit for enhancing power and braking control

Disk drive comprising spin down circuitry having a current limit circuit for enhancing power and braking control

Disk drive comprising an actuator driver circuit for retracting a head independent of a servo microprocessor when a spindle speed fault mode is detected

System and method to reduce write splice failures

Disk drive including a delay circuit to provide a delayed reset signal

Disk drive adjusting gain of shock detector relative to resonant frequency amplitude

Disk drive controlling a voice coil motor during an emergency unload

Disk drive employing active braking using inductive sense

Disk drive comprising a pulse width modulated demand limit circuit for enhancing power management during spin-down

Decreasing spin up time in a disk drive by adjusting a duty cycle of a spindle motor PWM signal to maintain constant average input current

Disk drive monitoring a supply current to protect motor driver circuits

Disk drive comprising VCM stall detector for velocity control of an actuator arm

Disk drive comprising a programmable inverting voltage regulator configured relative to the disk drive&#39;s mode of operation

Disk drive employing VCM demand current to calibrate VCM IR voltage for velocity control of an actuator arm

Disk drive comprising a demand limit circuit for enhancing power management during spin down

Disk drive comprising a motor driver IC employing a serial interface for initiating the transmission of real-time status data to a controller IC

Disk drive employing adaptive feed-forward vibration compensation to enhance a retry operation

Disk drive adjusting noise spectrum to reduce resonance excitation of shock detector

Disk drive employing momentum based unload during power failure

Disk drive comprising an offset-nulling amplifier for detecting a back EMF voltage of a voice coil motor

Disk drive seeking to OD track and then ramping velocity to implement fast unload

Disk drive employing a calibrated brake pulse to reduce acoustic noise when latching an actuator arm

Disk drive comprising a spindle motor having a windings shield for reduced disk voltage coupling

Production line spindle control circuit employing a sinusoidal driver with back EMF control

Reduced acoustic noise during spin-up by driving a spindle motor open loop using sinusoidal signals

Data storage assembly for archive cold storage

Secure stream buffer on network attached storage

Secure stream buffer on network attached storage

Node configuration in optical network

Secure stream buffer on network attached storage

Cold storage server with heat dissipation

Data storage device employing glitch compensation for power loss detection

WESTERN DIGITAL CORP

Disk drive employing method of spinning down its spindle motor to reduce the time required for spinning it down and subsequently spinning it up

Disk drive employing method of spinning down its spindle motor to reduce the time required for subsequently spinning it up

Method of using two low-resolution DACS for converting high-resolution digital demands into analog output signals that monotonically drive an actuator motor in a disk drive

FERRIS TIMOTHY A

Data storage device employing cascaded voltage regulators during power failure

Disk drive charging capacitor using motor supply voltage during power failure

3COM CORP

Method and apparatus for VLAN support

Frequency independent asynchronous clock crossing FIFO

ARMSTRONG WORLD IND INC

Polymer/glass hybrid coating

Floor covering having a modified glass wear layer

BENNETT GEORGE J

Systems and methods for data throttling during disk drive power down

RYAN ROBERT P

Adaptive shock detection

YANG WENLI

Disk drive optimizing spindle motor torque by adjusting leading phase angle during spin-up

(unassigned)

Pet waste retrieval and disposal device

PRINCE CORP

Trim panel connecting link

WESTERN DIGITAL TECHNOLOGIES INC

Integrated erasure coding for data storage and transmission

Disk drive comprising a programmable inverting voltage regulator configured relative to the disk drive's mode of operation