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US 2007/0163814 A1Published application
Jog dial and mobile terminal incorporating job dial
AssigneeLG Electronics Inc.
InventorJong-Moon Won
Life of this patent
Estimating the term…
Abstract
A jog dial and a mobile terminal incorporating the jug dial are provided. The rotation direction and rotation speed of the jog dial are detected at the same time. The structure of the jog dial is simplified and the number of components are reduced, thereby reducing manufacturing cost and satisfying various functions of the mobile terminal.
Claims26
A jog dial, comprising:
- a disc rotatably mounted to a body;
- a plurality of reflecting plates arranged about an outer circumferential surface of the disc;
- and
- an optical sensor installed on an inner wall of the body and adapted to sequentially recognize light reflected by the reflecting plates when the disc is rotated and detect a rotation direction and a rotation speed of the disc.
1 more element
A mobile terminal, comprising:
- a terminal body;
- an optical sensor installed on the terminal body, the optical sensor comprising at least one light emitting device and at least one light receiving device;
- and
- a jog dial comprising a plurality of reflecting plates arranged about a circumferential surface of a disc,
- wherein the optical sensor is adapted to detect a rotation direction and a rotation speed of the disc.
2 more elements
Dependencies are inferred from the claim text.