US Patent 12020684 Text to speech announcement system

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Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

120206840

Patent Inventor Names

Charles Menzel0

Frederick A. Wood0

Date of Patent

June 25, 2024

Patent Application Number

175476850

Date Filed

December 10, 2021

Patent Citations

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US Patent 10852770 Electronic device having a waterproof structure

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US Patent 9672732 Integrated accessible pedestrian system

Patent Primary Examiner

CPC Code

Patent abstract

There is disclosed a text to speech announcement system capable of operating without an external power source for long periods of time.

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