Patents (granted)
GB 2301000B - universal alarm for Deaf people
EU 96303572 - universal alarm for Deaf people
We also have patents pending in Europe and throughout the world for many of our concepts and product technologies.
Registered Trade Marks


Trade Marks
Alerter™
All Call™
Night Cradle™
SleepSound™
Message Manager™
Message Manager LITE™
Message Manager Network™
Message Point™
Passenger Call™
Software Copyrights
Microprocessor software in transmitter-based aerial monitoring unit
Microprocessor software in multi-transmitter-based phasing control unit
Microprocessor software in EN54 power supply monitoring unit
Microprocessor software in transmitter encoding unit
Microprocessor software in Alerter decoding unit
Microprocessor software in Refuge Alerter base stations
Microprocessor software in Refuge Alerter out stations
Microprocessor software in Refuge Alerter portable units
MS Windows-based Message Manager software
MS Windows-based Message Manager Lite software
MS Windows-based Message Manager Client — Server software
MS Windows-based Alerter Tracker (DA Tracker)
MS Windows-based Refuge Alerter Configuration software
Quality Certifications
IS0 9001 Cert No: GB 8841
En 9000:2000
CE Approvals
All equipment supplied by Deaf Alerter plc meets the relevant European legislation regarding electromagnetic compatibility (EMC) and is CE marked accordingly.
If you have any questions please email us using the link below.
This web site is copyright © 2007 Deaf Alerter plc.
Any questions regarding this website or its contents should be addressed to:
Deaf Alerter plc acknowledges the trade marks of all of its suppliers including:
Microsoft, Windows (all versions) of the Microsoft Corporation.
Kenwood Electronics
Multitone Electronics plc
Sennheiser
All other trade marks mentioned or referenced are the property of their respective owners.






