OPERATION FEELING IMPARTING TYPE TRACKBALL DEVICE
First Claim
1. An operation feeling imparting type trackball device comprising:
- a sphere;
a supporting member rotatably holding the sphere;
a brake unit capable of applying a braking force to the sphere;
a sensor detecting a rotation state of the sphere and outputting a detecting signal; and
a control unit controlling the driving of the brake unit based on the detecting signal,wherein the sphere having a top portion exposed in rotatably operated, andwherein the brake unit includes a friction member having an opening that exposes one portion of the sphere to an upper side and an actuator capable of driving the friction member to a lower side, andthe actuator drives the friction member to a lower side so that the circumference portion of the opening is pressed to be in contact with the sphere from an upper side.
1 Assignment
0 Petitions
Accused Products
Abstract
A trackball device includes a friction plate rockably supported having opening in which a top portion of the sphere is exposed, as a brake unit applying braking force (friction force) to the sphere, and an actuator capable of driving the friction plate to a lower side. When the friction plate is driven by the actuator, the circumference portion of the opening of the friction plate is pressed to be in contact with the sphere from an upper side. A supporting member rotatably holding the sphere includes a plurality of supporting small spheres contacts the sphere at a point and a base member in which the supporting small spheres is arranged to be dispersed in the circumferential direction. The base member rockably supports the friction plate.
90 Citations
4 Claims
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1. An operation feeling imparting type trackball device comprising:
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a sphere; a supporting member rotatably holding the sphere; a brake unit capable of applying a braking force to the sphere; a sensor detecting a rotation state of the sphere and outputting a detecting signal; and a control unit controlling the driving of the brake unit based on the detecting signal, wherein the sphere having a top portion exposed in rotatably operated, and wherein the brake unit includes a friction member having an opening that exposes one portion of the sphere to an upper side and an actuator capable of driving the friction member to a lower side, and the actuator drives the friction member to a lower side so that the circumference portion of the opening is pressed to be in contact with the sphere from an upper side. - View Dependent Claims (2, 3, 4)
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Specification