US Patent 7800990 Method for selecting focus servo process
Patent 7800990 was granted and assigned to LG on September, 2010 by the United States Patent and Trademark Office.
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Patent abstract
Provided is a focus servo process automatic selecting method. In a related art optical pickup apparatus, only one of AD and DAD is selected and used when a focus servo is performed for disk detection and a focus-on operation. According to the method, servo crosstalk values of the two focus servo processes are compared and a suitable focus servo process is automatically selected, so that an optimum focus servo is realized.
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US Patent 07800990 Method for selecting focus servo process US Patent 7800990 Method for selecting focus servo process
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Patent Number
0780099000
Patent Number
780099000
Edits on 23 Mar, 2023
Golden AI
Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
078009900
Date of Patent
September 21, 2010
0Patent Application Number
119725340
Date Filed
January 10, 2008
0Official Website
Patent Primary Examiner
Edits on 26 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
078009900
Date of Patent
September 21, 2010
0Patent Application Number
119725340
Date Filed
January 10, 2008
0Official Website
Patent Primary Examiner
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US Patent 07800990 Method for selecting focus servo process
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07800990
Date of patent
September 21, 2010
Patent application number
11972534
Date Filed
January 10, 2008
Patent primary examiner
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