Inventor
D. Mitchel Hanks
Inventor
Fort Collins, CO, US
Overview
Patents· 44 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer57%
B41JTypewriters9%
G06FElectric digital data processing6%
B41MPrinting, duplicating, marking, or copying processes3%
G05BControl or regulating systems in general3%
H04NPictorial communication, e.g. television3%
A62CFire-fighting2%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for2%
E03BInstallations or methods for obtaining, collecting, or distributing water2%
F16LPipes2%
PatentTitleYear
10,198,948Low power sensor system20197,916,164'Labeling methods and apparatus using energy of two wavelengths'20117,768,878'Actuator calibration using a focus error signal'20107,728,859'Optical printhead'20107,701,479'System and method for laser write power calibration'20107,671,880'Optical disk labeling system and method'20107,646,685'Tracing discrete spiral path relative to optical disc'20107,639,272'Device and method for optical scanning'20097,636,280'Calibration of lens position in an optical disc drive'20097,633,839'Self-sensing active-damping voice coil'20097,596,067'Method of laser spot location and adjustment thereof'20097,576,765'Methods and apparatus for detecting and optimizing laser mark quality on recording media'20097,577,063'Calibration of a focus offset in an optical drive'20097,551,524'Methods and apparatus to compensate for power output variations over time'20097,538,788'Label writing'20097,515,165'Laser power calibration in an optical disc drive'20097,514,661'Focus calibration in an optical drive'20097,506,377'Method and apparatus for playing content'20097,496,026'Optical disc and method of printing optical disc'20097,468,815'Optical data processing using photo-detector array and framing marks on optical media'20087,451,281'System and method for using swappable storage for storing program data'20087,443,772'Focus offset calibration'20087,440,574'Content encryption using programmable hardware'20087,420,580'Laser power calibration in an optical disc drive'20087,404,133'Error detection and correction employing modulation symbols satisfying predetermined criteria'20087,333,126'Optical disc having layers corresponding to different colors and sensitive to optical beam wavelengths'20087,330,326'Recordable disk rotational speed error correction circuit'20087,324,129'Optical print head positioning using mechanically coupled optical pickup unit'20087,268,795'Labeling methods and apparatus using electromagnetic radiation'20077,239,582'Interpolation of optical disc vertical displacement information'20077,219,840'Calibrating fine actuator using a reference pattern'20077,196,715'Speed control using drive current profile'20077,177,246'Optical disk drive focusing apparatus using sum signal'20077,072,265'Low cost detection of wobble inversions using a tuned circuit'20066,813,667'Bus extender and formatter apparatus and methods'20046,813,231'Combined electronics channels in optical disc drive for data detection during reading and for wobble detection during writing'20046,798,724'Low cost detection of wobble inversions using a tuned circuit'20046,765,937'Apparatus and method for analysis and control of timing of a train of high speed, high power laser pulses'20046,744,712'Optical disc drive with satellite beams for generation of quadrature error signals for radial position detection'20046,674,705'Low cost detection of wobble inversions using a bandpass tuned circuit'20046,538,966'Accurate positioning of data marks and spaces relative to groove wobble on a rewritable optical disc'20035,548,192'Adaptive feedback system for controlling head/arm position in a disk drive'19965,447,051'Method and apparatus for testing a piezoelectric force sensor'19955,299,075'Apparatus and method for shock attenuation in a disk recording and/or reproduction system using variable gain acceleration sensor'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2003Patents assigned to HEWLETT PACKARD CO (4)· patent assignee history
1994–1996Based in Boise, ID, US· patent location history
2003–2019Based in Fort Collins, CO, US· patent location history
2004–2011Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (37)· patent assignee history
2008Patents assigned to BHATT JAYPRAKASH C (1)· patent assignee history
2008Patents assigned to COLBURN KEVIN L (1)· patent assignee history
2008Patents assigned to HANKS D MITCHEL (1)· patent assignee history
2008–2010Based in Loveland, CO, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HEWLETT PACKARD DEVELOPMENT CO | 37 | 2004–2011 |
| HEWLETT PACKARD CO | 4 | 1994–2003 |
| BHATT JAYPRAKASH C | 1 | 2008 |
| COLBURN KEVIN L | 1 | 2008 |
| HANKS D MITCHELself | 1 | 2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fort Collins, CO, US | 38 | 2003–2019 |
| Loveland, CO, US | 3 | 2008–2010 |
| Boise, ID, US | 3 | 1994–1996 |