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US Patent 7544089 Adapter for USB and audio interface

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Patent Inventor Names
Chang-Chun Liu0
Xiao-Lin Gan0
Yu-Kuang Ho0
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Patent abstract

An adapter includes a first USB interface, a second USB interface, and an audio interface. The first and the second USB interfaces each have a power pin, a first data pin, a second data pin, and a ground pin. The pins of the first USB interface respectively connected to the pins of the second USB interface correspondingly. The audio interface includes a left ear audio pin, a right ear audio pin, and a ground pin. The left ear audio pin of the audio interface is connected to the first data pin of the second USB interface. The right ear audio pin of the audio interface is connected to the second data pin of the second USB interface.

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edited on 21 May, 2023
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US Patent 07544089 Adapter for USB and audio interface US Patent 7544089 Adapter for USB and audio interface

Infobox
Patent Number
075440890
Patent Number
75440890
Edits on 19 May, 2023
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edited on 19 May, 2023
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=075440890
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edited on 28 Sep, 2022
Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
075440890
Date of Patent
June 9, 2009
0
Patent Application Number
119538770
Date Filed
December 11, 2007
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=075440890
Patent Primary Examiner
‌
Jean F. Duverne
0
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"Entity importer update"
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edited on 15 Jun, 2022
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07544089
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created this topic on 2 Dec, 2021
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 US Patent 07544089 Adapter for USB and audio interface

Infobox
Is a
Patent
Patent
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07544089
Date of patent
June 9, 2009
Patent application number
11953877
Date Filed
December 11, 2007
Patent primary examiner
‌
Jean F. Duverne

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