Electronic device

Details Electronic device Electronic device

2005-09-27

2005-09-27

Corsaro, Nick (Department: 2684)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S550100, C345S901000, C345S905000

Reexamination Certificate

active

06950680

ABSTRACT:
An electronic device is disclosed and comprises: a display (5); a keypad (4,42); a light source (28) associated with the display (5); and a substrate (30) to receive the display (5) and the keypad (4) and having a wedge shaped portion formed from a light transmitting material in a region beneath the keypad (4) such that light emitted by the light source (28) is transmitted through the substrate (30) and is out-coupled from the substrate (30) via the wedge shaped portion to illuminate the keypad (4). The electronic device of the invention is preferably a mobile telephone (1).

REFERENCES:
patent: 4124879 (1978-11-01), Schoemer
patent: 4755035 (1988-07-01), Kopish et al.
patent: 5075824 (1991-12-01), Tan
patent: 6040822 (2000-03-01), Decker
patent: 6073034 (2000-06-01), Jacobsen et al.
patent: 6217185 (2001-04-01), Feger et al.

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