Inventor

TURNER CHRISTOPHER J

US68 patents

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

TURNER CHRISTOPHER J

DPHI ACQUISITIONS INC

Digital servo system with biased feed-forward

Calibration storage methods for a digital focus and tracking servo system with calibration

Digital focus and tracking servo system

Calibration of focus error signal offset in a focus servo system

Calibration initiation methods for a tracking and focus servo system

Tracking and focus servo system with error signal inverse non-linearity calibration

Calibration of tracking error signal gain in a tracking servo system

Calibration of a focus sum threshold in a focus servo system

Digital focus and tracking servo system with multi-zone calibration

System and method for performing a spin motor startup operation

Detector input dark current offset calibration in an optical disk drive digital servo

Time critical and non-time critical tasks control system for an optical disk using first and second processors

Tracking and focus servo system with a media type boundary crossing detector

System and method for handling commands in an optical disc drive

Digital servo system with inverse non-linearity compensation

Calibration of a focus error signal gain in a focus servo system

System and method for detecting and recovering from an off-format state in an optical disc drive

System and method for controlling tracking and seeking in an optical disc drive

System and method for controlling focus in an optical disc drive

System and method for controlling time critical operations in a control system for an optical disc drive

Flexible servicing of servo algorithms using a digital signal processor

System and method to adjust the level of re-calibration effort based on disc drive performance

Kp and Ki lookup system and method

Close tracking algorithm in a digital tracking servo system

Tracking and focus servo system with automatic media type detector

System and method for recovering from performance errors in an optical disc drive

MILWAUKEE ELECTRIC TOOL CORP

Pipeline inspection device

Pipeline inspection device

Hub connection for pipeline inspection device

Pipeline inspection device

Pipeline inspection device with enhanced image control

Systems and methods for power tool activation with packaging interface system

Pipeline inspection device with enhanced image control

Motor control of a drain cleaning machine

Motor control of a drain cleaning machine

DCI MARKETING INC

Universal merchandiser and methods relating to same

Shelf components

Shelf management parts

Shelf components

Shelf components

Basket display parts

Basket product display and related methods

RETAIL SPACE SOLUTIONS LLC

Shelf components

Merchandiser parts

Retractable hinged shelf display

Merchandiser and methods relating to same

Shelf components

Shelf management dividers

ECRIX CORP

Variable speed recording method and apparatus for a magnetic tape drive

EXABYTE CORP

Variable speed recording method and apparatus for a magnetic tape drive