US Patent 7626421 Interface circuit and electronic device
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Patent abstract
An interface circuit and an electronic device are used for expanding an output port of a micro processing unit. The interface circuit includes an input port electrically connected to the output port of the micro processing unit for receiving a control signals, and a plurality of output ports selectively driven to control external circuits by inputting different values of the control signal at the input port.
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US Patent 07626421 Interface circuit and electronic device US Patent 7626421 Interface circuit and electronic device
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Patent Number
0762642112
Patent Number
762642112
Edits on 20 May, 2023
Golden AI
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Official Website
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Infobox
Is a
Patent Jurisdiction
Patent Number
076264211
Date of Patent
December 1, 2009
1Patent Application Number
119340911
Date Filed
November 2, 2007
1Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
076264211
Date of Patent
December 1, 2009
1Patent Application Number
119340911
Date Filed
November 2, 2007
1Official Website
Patent Primary Examiner
Edits on 18 Jun, 2022
Golden AI
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US Patent 07626421 Interface circuit and electronic device
Infobox
Is a
Patent jurisdiction
Patent number
07626421
Date of patent
December 1, 2009
Patent application number
11934091
Date Filed
November 2, 2007
Patent primary examiner
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