Portable transmitter having tact switches with front film

A portable transmitter comprising:

• a resin case composed of a front case having front openings and a rear case, both cases being firmly connected to each other;
• tact switches for transmitting signals by pushing the same, the tact switches being contained in the resin case at positions facing the front openings;
• a front film covering the front openings, the front film being integrally connected to the front case except portions of the front film corresponding to the front openings, the front film being a transparent resin sheet on the rear surface of which function displays are printed;
• a seal member disposed between the front case and the rear case for keeping the resin case water-tight;
• and
• a water-preventing cover disposed to cover the front openings from the rear side thereof, the water-preventing cover and the seal member being integrally formed with rubber.