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Browse by Category: Main > Information Technology
Class Information
Number: 369/275.4
Name: Dynamic information storage or retrieval > Storage medium structure > Optical track structure (e.g., phase or diffracting structure, etc.) > Pit/bubble/groove structure specifies
Description: Subject matter wherein data is stored in the form of pits (indentations), bubbles (protuberances) or modulation of a groove and specifics of the pit/bubble/groove are set forth such as its wall angles, dimensions, or phase depth.


Patents under this class:

Patent Number Title Of Patent Date Issued
7619962 Optical disc and method of producing the same Nov. 17, 2009
7616721 Apparatus and method for checking network synchronization clock signal in communication system Nov. 10, 2009
7616552 Phase-change optical recording medium having first and second track pitches Nov. 10, 2009
7609604 Recording medium with intermittent or alternate wobbled pits and apparatus and methods for forming, recording, and reproducing the recording medium Oct. 27, 2009
7599280 Information recording medium Oct. 6, 2009
7599274 Recording medium with intermittent or alternate wobbled pits and apparatus and methods for forming, recording, and reproducing the recording medium Oct. 6, 2009
7599270 Optical disc storage systems and methods utilizing frequency predictive wobble signal detection Oct. 6, 2009
7596076 Optical disc and physical address format Sep. 29, 2009
7596075 Mastering device, disc manufacturing method, disc-shaped recording medium, disc reproduction device, and disc reproduction method Sep. 29, 2009
7593314 Optical disc and physical address format Sep. 22, 2009
7593313 Optical disc and physical address format Sep. 22, 2009
7590042 Read-only optical recording medium on which unique identification information is written Sep. 15, 2009
7586833 Magneto-optical recording medium Sep. 8, 2009
7580343 Information recording medium Aug. 25, 2009
7580342 Information recording medium having substrate with microscopic pattern and reproducing apparatus therefor Aug. 25, 2009
7580341 Address-information recording method and apparatus, and optical recording medium Aug. 25, 2009
7580340 Optical recording medium and a method for testing the same Aug. 25, 2009
7580173 Optical information detecting method and optical information detector Aug. 25, 2009
7577083 Information recording medium Aug. 18, 2009
7577082 Information recording medium Aug. 18, 2009
7573798 Multi-level information reproducing method Aug. 11, 2009
7571115 RFID security device for optical disc Aug. 4, 2009
7571114 RFID security device for optical disc Aug. 4, 2009
7570575 Information recording media, a method for recording/reproducing information, an apparatus for recording/reproducing information Aug. 4, 2009
7570574 Information recording medium Aug. 4, 2009
7570573 Information recording medium Aug. 4, 2009
7570572 Information recording medium Aug. 4, 2009
7570571 Information recording medium Aug. 4, 2009
7567500 Information recording medium Jul. 28, 2009
7564773 Optical disk including address data recording region formed with paired wobbling sections of identical phase Jul. 21, 2009
7564772 High density optical disc having recorded characters visibly readable from a substrate side Jul. 21, 2009
7548505 Optical recording medium having a relationship between groove width and track pitch Jun. 16, 2009
7542406 Optical information recording medium Jun. 2, 2009
7540006 Optical information recording medium and manufacture method thereof May. 26, 2009
7539121 Optical recording medium and process for producing the same May. 26, 2009
7535818 Information recording carrier and information reproducing apparatus for the same May. 19, 2009
7529175 Method for making an optical disc having a track pitch smaller than a recording beam diameter May. 5, 2009
7529167 Optical disk having wobble patterns representing control information May. 5, 2009
7522506 Memory Apr. 21, 2009
7520001 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method Apr. 14, 2009
7518980 Optical disk Apr. 14, 2009
7512053 Apparatus and method for modulating address data, apparatus and method for demodulating address data therefor, and recording medium for recording modulated address data Mar. 31, 2009
7507523 Optical information recording medium, method of manufacturing the optical information recording medium, and method of and apparatus for recording/reproducing optical information Mar. 24, 2009
7505393 Information recording carrier and method of reproducing the same Mar. 17, 2009
7505392 Optical disk with a plurality of radially extending marks for recording reflectance data of the optical disk Mar. 17, 2009
7502309 Optical recording medium having a relationship between convex width and track pitch Mar. 10, 2009
7502308 Optical recording medium Mar. 10, 2009
7499389 Super resolution information storage medium and method of recording data thereon Mar. 3, 2009
7496026 Optical disc and method of printing optical disc Feb. 24, 2009
7496023 Method, program and system of forming visual image on optical disk Feb. 24, 2009



 
 
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