Two-sided trackball
First Claim
1. A hand-held, double sided trackball apparatus for controlling a cursor, the apparatus comprising:
- a) a housing having a first side and a second side, each of the first and second side having an aperture;
b) a ball rotatably mounted in the housing, the ball being exposed in the first and second apertures; and
c) at least a first and second button connected to a single electrical circuit, the first button being on the first side and the second button being on the second side of said housing.
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Accused Products
Abstract
A hand-held, double sided trackball apparatus for controlling a cursor has a housing with a first side and a second side, and a third side extending between and joining the first and second sides. The third side has an inset portion for placement of the tip of an index finger of either hand. Each of the first and second sides has an aperture. A ball is rotatably mounted in the housing so that the ball is exposed in the first and second apertures. The trackball apparatus is usable in the left or the right hand of a user. First and second buttons, connected to a single electrical circuit, are on the first and second side, respectively, of the housing.
197 Citations
21 Claims
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1. A hand-held, double sided trackball apparatus for controlling a cursor, the apparatus comprising:
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a) a housing having a first side and a second side, each of the first and second side having an aperture; b) a ball rotatably mounted in the housing, the ball being exposed in the first and second apertures; and c) at least a first and second button connected to a single electrical circuit, the first button being on the first side and the second button being on the second side of said housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A handed hand-held trackball apparatus for controlling a cursor, the apparatus comprising:
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a) a housing having opposed first and second sides, the housing having a third side extending between and joining the first and second sides, the first and second side each having an aperture, and the third side having an inset portion; and b) a ball rotatably mounted in the housing and having a surface, the ball surface being exposed in the first and second side apertures. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A hand-held remote control apparatus for transmitting control information, the apparatus comprising:
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a) a two-sided trackball controller having a housing, the housing having first and second sides, each side having an aperture; and b) a ball rotatably mounted within both the first and second side apertures. - View Dependent Claims (18, 19, 20, 21)
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Specification