The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 12, 2000
Filed:
Jul. 23, 1998
Shu-Ming Liu, Taipe, TW;
A-Ming Chang, Lu-Chou, TW;
Primax Electronics Ltd., Taipei Hsien, TW;
Abstract
The present invention provides a computer joystick for controlling cursor or object movements in three dimensions. The computer joystick comprises a chassis, a control stick vertically installed on the chassis in a rotatable manner, a control stick sensor installed inside the chassis for detecting rotations of the control stick and generating corresponding stick position signals, a joystick handle comprising a vertical slot, and a rotation detector. The joystick handle is rotatably installed on the control stick through the vertical slot. The rotation detector comprises an optical panel fixed on the control stick, and a light sensor fixed inside the vertical slot of the joystick handle for detecting rotations of the joystick handle on the control stick and generating corresponding rotation signals.