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Vol. 69, Issue 7, July 2006, pp. 606-614

 

Bullet

 

The Wireless Notification System for the Hearing Impaired

 

Andrew Foo Thai Hin1, Elmy Johana Mohamad2

1Mechatronic and Robotics Engineering Department, Faculty of Electrical and Electronic Engineering, 

Kolej Universiti Teknologi Tun Hussien Onn, Malaysia,
E-mail: fu_daxin@yahoo.com

 

2Mechatronic and Robotics Engineering Department, Faculty of Electrical and Electronic Engineering, 

Kolej Universiti Teknologi Tun Hussien Onn, Malaysia,
E-mail: elmy@kuittho.edu.my

 

 

Received: 13 June 2006   Accepted: 19 July 2006   Published: 25 July 2006

 

Abstract. The Wrist Alert is intended for the use by the hearing impaired in their home environment. It alerts the user to signals such as smoke detectors and doorbells. These signals are connected to a centralized controller box, processed, and transmitted via a Radio Frequency link to the wireless wristband device. The alerting mechanism employs vibration, a discreet form of notification that helps minimize disruption to everyday life in the household. The Wrist Alert utilizes different vibration patterns to differentiate between designated priority levels and the associated signal sources.

 

Keywords: hearing impaired, ALD (Assistive Listening Device), RF (Radio Frequency), transmitter, receiver, vibrator

 

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