The touchpad functionality constitutes a modular addition to common membrane keyboard technology.
A membrane keyboard (10, 110) producing audible (94, 187) and tactile (80, 182) responses when individual character keys are depressed.
The membrane keyboard and the control of the light sources are both connected to a CPU with some memory which uses them to manage various games and puzzles.
The apparatus has a face (10) for application of a game coupon (11), said face being constructed as a membrane keyboard with a distribution of keys corresponding to the squares of a superimposed coupon.
The invention relates to a contact film keyboard which is economical and simple to produce and has at least one functional quality which is what it is known for.