Portable electronic apparatus having an electro-magnetic shield supporting a keyboard

A portable electronic apparatus comprising:

• a housing having a bottom wall;
• a circuit board proximate to the bottom wall;
• a keyboard unit mounted on the housing and facing the circuit board;
• a shielding plate disposed between the circuit board and the keyboard unit for magnetically shielding the circuit board;
• and
• spacing means, disposed between the circuit board and the shielding plate, for maintaining spacing between the circuit board and the shielding plate.

A portable electronic apparatus comprising:

• a housing having at least one boss on a bottom wall thereof;
• a circuit board mounted on the at least one boss;
• a keyboard unit mounted on the housing and facing the circuit board, the keyboard unit having a peripheral edge portion, the peripheral edge portion of the keyboard unit being supported on the housing;
• a shielding plate disposed between the circuit board and the keyboard unit for magnetically shielding the circuit board;
• and
• spacing means, disposed between the circuit board and the shielding plate, for maintaining spacing between the circuit board and the shielding plate.

A portable electronic apparatus comprising:

• a housing having a bottom wall;
• a circuit board proximate to the bottom wall;
• a shielding plate disposed proximate to the circuit board, the shielding plate having an edge portion supported on the housing for magnetically shielding the circuit board;
• at least one spacing means, disposed between the circuit board and the shielding plate, for maintaining spacing between the circuit board and the shielding plate;
• and
• at least one boss disposed between the bottom wall and the circuit board.

A portable electronic apparatus comprising:

• a housing having a bottom wall;
• a circuit board proximate to the bottom wall;
• a shielding plate disposed proximate to the circuit board for magnetically shielding the circuit board, the shielding plate having an edge portion being supported on the housing;
• a plurality of bosses disposed between the bottom wall and the circuit board;
• and
• means for preventing the shielding plate from bending toward the circuit board, the preventing means including a supporting member which extends from the shielding plate and has an extended end abutting against the circuit board.