US Patent 7541564 Optical pickup
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Patent abstract
The invention relates to an optical pickup for an optical recording medium, an electrically controlled diffraction grating suitable for use in such a pickup, and to an apparatus for reading from and/or writing to optical recording media using such an optical pickup or diffraction grating.
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US Patent 07541564 Optical pickup US Patent 7541564 Optical pickup
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Patent Number
0754156400
Patent Number
754156400
Golden AI
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Official Website
Edits on 24 Mar, 2023
Golden AI
Infobox
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Patent Jurisdiction
Patent Number
075415640
Date of Patent
June 2, 2009
0Patent Application Number
114396910
Date Filed
May 23, 2006
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
075415640
Date of Patent
June 2, 2009
0Patent Application Number
114396910
Date Filed
May 23, 2006
0Official Website
Patent Primary Examiner
Edits on 15 Jun, 2022
Golden AI
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US Patent 07541564 Optical pickup
Infobox
Is a
Patent jurisdiction
Patent number
07541564
Date of patent
June 2, 2009
Patent application number
11439691
Date Filed
May 23, 2006
Patent primary examiner
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