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Title:
POINTING DEVICE HAVING ROTATABLE DEVICE AND LIGHT SOURCE
Document Type and Number:
Japanese Patent JP2002055777
Kind Code:
A
Abstract:

To provide a pointing device capable of displaying a message to be transmitted from a computer so that a user can directly know the state of the computer from the illumination mode of a rotatable device.

This pointing device is electrically connected to a computer, and used for controlling the movement of a cursor on the display device of the computer. The pointing device is provided with a case body, a pointing unit mounted in the case body so that a pointing signal can be generated for controlling the movement of a cursor, a rotatable device for generating a rotational signal, a light source for illuminating the rotatable device, and a control unit for controlling the pointing device. When the computer transmits a state signal to the pointing device, the control unit controls a light source for deciding the illumination mode of the rotatable device according to the state signal.


Inventors:
Wang, Ding Jong
Liang, Kuang Kai
Chou, Pin Cheng
Chang, Ming Chen
Application Number:
JP2001000203680
Publication Date:
February 20, 2002
Filing Date:
July 04, 2001
Export Citation:
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Assignee:
PRIMAX ELECTRONICS LTD
International Classes:
G06F3/033; G06F3/038; (IPC1-7): G06F3/033
Domestic Patent References:
JPH10161805A
JP2001216088A2001-08-10
JPH0359953U
Attorney, Agent or Firm:
伊東 忠彦