US Patent 7569295 Fuel cell unit and state display control method
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Patent abstract
A fuel cell unit for supplying electric power to an electronic apparatus includes a DMFC that generates electric power using methanol as fuel. A microcomputer examines whether or not the fuel cell unit has been installed in the electronic apparatus. When the fuel cell unit has been installed in the electronic apparatus, the microcomputer visually informs the user, using LEDs, of the operating state of the DMFC detected by various sensors, including an installation and removal sensor, a liquid level sensor, a temperature sensor, and an acceleration sensor.
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US Patent 07569295 Fuel cell unit and state display control method US Patent 7569295 Fuel cell unit and state display control method
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Patent Number
0756929500
Patent Number
756929500
Edits on 25 May, 2023
Golden AI
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Official Website
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Infobox
Is a
Patent Jurisdiction
Patent Number
075692950
Date of Patent
August 4, 2009
0Patent Application Number
107902400
Date Filed
March 2, 2004
0Official Website
Patent Primary Examiner
Edits on 25 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
075692950
Date of Patent
August 4, 2009
0Patent Application Number
107902400
Date Filed
March 2, 2004
0Official Website
Patent Primary Examiner
Edits on 18 Jun, 2022
Golden AI
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Golden AI
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US Patent 07569295 Fuel cell unit and state display control method
Infobox
Is a
Patent jurisdiction
Patent number
07569295
Date of patent
August 4, 2009
Patent application number
10790240
Date Filed
March 2, 2004
Patent primary examiner
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