OPTICAL DEVICES, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 5686
 
  
 
B64D EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS464
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS495
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 375
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 2240

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9514777 Servo processor receiving photodetector signalsJan 21, 16Dec 06, 16[G11B]
9245569 Servo processor receiving photodetector signalsAug 06, 15Jan 26, 16[G11B]
9105281 Servo processor receiving photodetector signalsApr 01, 13Aug 11, 15[G11B]
8937854 Servo processor receiving photodetector signalsSep 26, 13Jan 20, 15[G11B]
8416651 Servo control using digital signal processing for optical disk driveNov 22, 10Apr 09, 13[G11B]
RE43681 Optical detection systemOct 17, 11Sep 25, 12[G01J, H04B, B64D, G01B]
RE42913 Optical detection systemMay 22, 09Nov 15, 11[G01J, H04B, B64D, G01B]
7839729 Optical drive servo with a servo processor receiving photodetector signalsJan 03, 08Nov 23, 10[G11B]
7782721 Digital focus and tracking servo system with multi-zone calibrationSep 10, 01Aug 24, 10[G11B]
7680004 Digital servo system with inverse non-linearity compensationSep 10, 01Mar 16, 10[G11B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0148,478 Servo Processor Receiving Photodetector SignalsAbandonedDec 05, 16May 25, 17[G11B]
8873355 Servo processor receiving photodetector signalsWithdrawnApr 01, 13Oct 28, 14[G11B]
8565052 Methods, systems, and computer program products for correcting repeatable runoutExpiredJun 20, 12Oct 22, 13[G11B]
7672199 Close focus algorithm in a digital focus servo systemExpiredSep 10, 01Mar 02, 10[G11B]
7593300 Digital tracking servo system with off-format detectionExpiredSep 10, 01Sep 22, 09[G11B]
6977873 System and method to adjust the level of re-calibration effort based on disc drive performanceExpiredSep 10, 01Dec 20, 05[G11B]
6970403 Calibration of tracking error signal offset in a tracking servo systemExpiredSep 10, 01Nov 29, 05[G11B]
6970410 Focus detection in a digital focus servo systemExpiredSep 10, 01Nov 29, 05[G11B]
6965547 Tracking and focus servo system with error signal inverse non-linearity calibrationExpiredSep 10, 01Nov 15, 05[G11B]
6963524 System and method for controlling interrupts in a control system for an optical disc driveExpiredSep 10, 01Nov 08, 05[G11B]
6958957 Digital tracking and focus servo system with TES to FES crosstalk calibrationExpiredSep 10, 01Oct 25, 05[G11B]
6958963 System and method for handling events in an optical disc driveExpiredSep 10, 01Oct 25, 05[G11B]
6956797 Digital servo system with error signal integrity testingExpiredSep 10, 01Oct 18, 05[G11B]
6950380 Detector input dark current offset calibration in an optical disk drive digital servoExpiredSep 10, 01Sep 27, 05[G11B]
6937543 Digital focus servo system with a sliding notch filterExpiredSep 10, 01Aug 30, 05[G11B]
6930963 Tracking and focus servo system with head loadExpiredSep 10, 01Aug 16, 05[G11B]
6922380 Tracking and focus servo system with anti-skate algorithmExpiredSep 10, 01Jul 26, 05[G11B]
6909676 Digital tracking servo system with multi-track seek with track zero crossing detectionExpiredSep 10, 01Jun 21, 05[G11B]
6906985 Calibration of tracking error signal gain in a tracking servo systemExpiredSep 10, 01Jun 14, 05[G11B]
6901040 Kp and Ki lookup system and methodExpiredSep 10, 01May 31, 05[G11B]

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