Portable telephone set

Details Portable telephone set Portable telephone set

H - Electricity

04

M

H04M 1/00 (2006.01) H01H 13/70 (2006.01) H04M 1/02 (2006.01) H04M 1/22 (2006.01)

Patent

CA 2048458

Abstract of the Disclosure A portable telephone set capable of illuminating a switch portion and reduced in thickness. A flexible printed circuit board having a membrane switch and a liquid crystal display is mounted onto a support base of a telephone set case. Onto the flexible printed circuit board is placed a key top sheet having a plurality of convex key tops, and a switch panel having a plurality of holes for insertion therein of the convex key tops is mounted onto the key top sheet. The switch panel is constituted by a transparent resin plate, and an ink coating is formed on the surface of the switch panel except the portion corresponding to the display portion. In the membrane switch portion of the flexible printed circuit board there are provided a plurality of light emitting diodes adapted to introduce light into the interior of the switch panel.

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