US Patent 7322667 Liquid detecting method and liquid detecting system
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Patent abstract
A liquid detecting method of detecting liquid in a liquid container used on a liquid ejector by use of a liquid sensor. There are included a head cleaning step of performing a head cleaning operation after maintaining for a predetermined time or longer a state there is no flow of fluid into/from the cavity through the liquid supply port and liquid discharge port, and a detecting step of detecting a presence/absence of liquid by applying a drive signal to the piezoelectric device of the liquid sensor after the head cleaning process.
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US Patent 07322667 Liquid detecting method and liquid detecting system US Patent 7322667 Liquid detecting method and liquid detecting system
Infobox
Patent Number
0732266700
Patent Number
732266700
Edits on 26 Apr, 2023
Golden AI
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Patent Jurisdiction
Patent Number
073226670
Date of Patent
January 29, 2008
0Patent Application Number
111799280
Date Filed
July 12, 2005
0Official Website
Patent Primary Examiner
Edits on 27 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
073226670
Date of Patent
January 29, 2008
0Patent Application Number
111799280
Date Filed
July 12, 2005
0Official Website
Patent Primary Examiner
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US Patent 07322667 Liquid detecting method and liquid detecting system
Infobox
Is a
Patent jurisdiction
Patent number
07322667
Date of patent
January 29, 2008
Patent application number
11179928
Date Filed
July 12, 2005
Patent primary examiner
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