Phase Lock Loop Siren Detection

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20230351891A1
SERIAL NO

18339610

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Abstract

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One example system for detecting an emergency siren comprises a microphone device, a band pass filter operably coupled to the microphone device and configured to filter sound data from the microphone device to produce filtered sound data, a phase lock loop circuit configured to phase filter the filtered sound data to produce phase filtered data, and a processor configured to determine a presence of a siren signal from the phase filtered data.

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Patent Owner(s)

Patent OwnerAddress
WAYMO LLC1600 AMPHITHEATRE PARKWAY MOUNTAIN VIEW CA 94043

International Classification(s)

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  • 2023 Application Filing Year
  • G08B Class
  • 1602 Applications Filed
  • 627 Patents Issued To-Date
  • 39.14 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Balachandran, Ganesh Mountain View, US 31 100

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges320780261101 - 1011 - 2021 - 3051 - 6002004006008001000120014001600180020002200240026002800300032003400

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