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US Patent 8174454 Dual-band antenna

Patent 8174454 was granted and assigned to Infineon Technologies on May, 2012 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Infineon Technologies

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

8174454

Date of Patent

May 8, 2012

Patent Application Number

11745385

Date Filed

May 7, 2007

Patent Citations Received

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US Patent 12093772 DI capacitive embedded metal card

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US Patent 12079681 RFID device

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US Patent 12086669 Metal, ceramic, or ceramic-coated transaction card with window or window pattern and optional backlighting

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US Patent 11669708 Metal, ceramic, or ceramic-coated transaction card with window or window pattern and optional backlighting

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US Patent 11710024 Di capacitive embedded metal card

Patent Primary Examiner

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Jacob Y Choi

Patent abstract

Dual-band antenna including a shorted loop slot antenna and a spiral antenna.

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