초록 ▼

A keyboard has a joyball centrally positioned and operable by the operator with a hand, and a plurality of operation keys operable by the operator with the fingertips and disposed in a substantially semicircular array around the joyball. The keyboard is connected to a video camera for controlling th

A keyboard has a joyball centrally positioned and operable by the operator with a hand, and a plurality of operation keys operable by the operator with the fingertips and disposed in a substantially semicircular array around the joyball. The keyboard is connected to a video camera for controlling the attitude of the video camera with the joyball and adjusting the optical system of the video camera, all with one hand of the operator.

대표청구항 ▼

[ What is claimed is:] [1.] A keyboard comprising:a joyball operable by an operator with a hand;a plurality of operation keys operable by a plurality of fingertips of the operator;said joyball being disposed in a central position relative to said operation keys and said operation keys being disposed

[ What is claimed is:] [1.] A keyboard comprising:a joyball operable by an operator with a hand;a plurality of operation keys operable by a plurality of fingertips of the operator;said joyball being disposed in a central position relative to said operation keys and said operation keys being disposed in a substantially semicircular array around said joyball; anda joystick mounted on a upper panel of said keyboard and tiltable in a plurality of biaxial directions, said joystick being detachably inserted into said joyball;said upper panel having a stopper limit hole defined therein, said joyball having a stopper mounted on a lower surface thereof and loosely fitted in said stopper limit hole.