Visual alarm for a communication module

Details Visual alarm for a communication module Visual alarm for a communication module

1997-10-07

1999-03-02

Wu, Daniel J.

Communications: electrical

Visual indication

Audio responsive lamp

340693, 34081553, 34082581, 313506, 345 76, 455 90, 455566, G08B 500

Patent

active

058776958

ABSTRACT:
An organic electroluminescent material is sealed within the outer housing of a portable radio telephone along with the control grids to cause the material to luminesce in a pixilated pattern. The pixels are controlled to generate a visual alarm which flashes a warning to a user as either a message or a flashing color of the housing or image. The visual alarm may be combined with audible and vibratory alarms within the mobile telephone.

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patent: 5646649 (1997-07-01), Iwata et al.
patent: 5703436 (1997-12-01), Forrest et al.
David Lieberman, Plastic Displays, OEM Magazine, Apr. 1996, pp. 76-77.

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