Multiple switch arrangement including membrane dome contacts and multi-directional tilt actuator

A multiple switch device comprising:

• a base which comprises at least two switch units and
• a linkage means placed in at least two positions on said base;
• a push button comprising push members at each respective position opposite to each of said switch units and a linkage means at each respective position opposite to each of the linkage means of said base;
• a return means which forces said push button to return to its original position upon releasing a depress force from said push button;
• a ring-like knob arranged outside the circumference of said push button, said ring-like knob provided with a knob-placed linkage means;
• a linkage means for the knob arranged on said base at positions opposite to said knob-placed linkage means;
• a rotational angle detecting means for detecting rotational angles of said ring-like knob;
• and
• a rotational return means for returning said ring-like knob to the original position thereof upon releasing a rotational operation;
• said base and said push button assembled together through a coupling between said linkage means of the base and said linkage means of the push button, so as to allow a vertical movement of said push button, and said base and said ring-like knob assembled together through a coupling between said linkage means for the knob on the base and said knob-placed linkage means to allow a rotational movement of said ring-like knob.