System arrangements wherein the alarm criteria uses signal delay or phase shift

Industry

CPC
G08B21/0244

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GPHYSICS G08Signaling G08BSIGNALLING OR CALLING SYSTEMS ORDER TELEGRAPHS ALARM SYSTEMS G08B21/00Alarms responsive to a single specified undesired or abnormal operating condition and not elsewhere provided for

Current Industry

G08B21/0244System arrangements wherein the alarm criteria uses signal delay or phase shift

Industries

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System arrangements wherein the alarm criteria uses signal delay or phase shift

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Mobile communication device and non-transitory computer readable st...

Mobile communication device and non-transitory computer readable st...

Mobile communication device for home automation

Adjunct device and methods for use therewith

Method for estimating a quantity of a blood component in a fluid re...

Wireless device and methods for use therewith

Wireless device and methods for use in a paging network

Alarming system for multi-unit buildings

Method for estimating a quantity of a blood component in a fluid re...

Wireless device and methods for use in a paging network

Wireless device and methods for use in determining classroom attend...

Proximity based security monitoring

Wireless device and methods for use in a paging network

Wireless device and methods for use in a paging network

Wireless device and methods for use in determining classroom attend...

Wireless device and methods for use in a paging network

Wireless device and methods for use in determining classroom attend...

Wireless device and methods for use in a paging network

Wireless device and methods for use in determining classroom attend...

Method, system and wireless device with power management for monito...

Method, system and wireless device for monitoring protective headge...

Wireless device and methods for use in a paging network

Method, system and wireless device for monitoring protective headgear

RFID tag detection method and system

Method, system and wireless device with event detection for monitor...

Handheld communication device for monitoring protective headgear

Wireless device and methods for use in a paging network

Wireless device and methods for use in a paging network

Warning system, monitoring device and method for monitoring control...

System and method for locating objects and communicating with the same

Patents Applicationslast 30 patents

MOBILE COMMUNICATION DEVICE AND NON-TRANSITORY COMPUTER READABLE ST...

MOBILE COMMUNICATION DEVICE AND NON-TRANSITORY COMPUTER READABLE ST...

MOBILE COMMUNICATION DEVICE AND NON-TRANSITORY COMPUTER READABLE ST...

Method For Estimating A Quantity Of A Blood Component In A Fluid Re...

MOBILE COMMUNICATION DEVICE FOR HOME AUTOMATION

ADJUNCT DEVICE AND METHODS FOR USE THEREWITH

WIRELESS DEVICE AND METHODS FOR USE THEREWITH

METHOD FOR ESTIMATING A QUANTITY OF A BLOOD COMPONENT IN A FLUID RE...

WIRELESS DEVICE AND METHODS FOR USE IN A PAGING NETWORK

ALARMING SYSTEM FOR MULTI-UNIT BUILDINGS

WIRELESS DEVICE AND METHODS FOR USE IN A PAGING NETWORK

METHOD FOR ESTIMATING A QUANTITY OF A BLOOD COMPONENT IN A FLUID RE...

WIRELESS DEVICE AND METHODS FOR USE IN A PAGING NETWORK

WIRELESS DEVICE AND METHODS FOR USE IN DETERMINING CLASSROOM ATTEND...

WIRELESS DEVICE AND METHODS FOR USE IN A PAGING NETWORK

WIRELESS DEVICE AND METHODS FOR USE IN DETERMINING CLASSROOM ATTEND...

WIRELESS DEVICE AND METHODS FOR USE IN A PAGING NETWORK

WIRELESS DEVICE AND METHODS FOR USE IN A PAGING NETWORK

WIRELESS DEVICE AND METHODS FOR USE IN A PAGING NETWORK

LOCATION SYSTEM AND METHOD

METHOD, SYSTEM AND WIRELESS DEVICE WITH EVENT DETECTION FOR MONITOR...

METHOD, SYSTEM AND WIRELESS DEVICE FOR MONITORING PROTECTIVE HEADGEAR

HANDHELD COMMUNICATION DEVICE FOR MONITORING PROTECTIVE HEADGEAR

METHOD, SYSTEM AND WIRELESS DEVICE WITH POWER MANAGEMENT FOR MONITO...

METHOD, SYSTEM AND WIRELESS DEVICE FOR MONITORING PROTECTIVE HEADGE...

SEPARATION ALARM

ADJUNCT DEVICE AND A HANDHELD WIRELESS COMMUNICATION DEVICE WITH LO...

SYSTEM AND WIRELESS DEVICE FOR LOCATING A REMOTE OBJECT

WIRELESS DEVICE AND METHODS FOR USE IN A PAGING NETWORK

WARNING SYSTEM, MONITORING DEVICE AND METHOD FOR MONITORING CONTROL...