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:
May. 10, 1994
Filed:
Mar. 24, 1993
Chia H Lin, Taipei, TW;
Sysgration Ltd., Taipei, TW;
Abstract
An assembled photomechanical mouse structure including a bottom casing, an upper cover associated with the bottom casing, a circuit board enclosed by the bottom casing and upper cover, a ball member, two slotted discs, an idle roller, and a photoelectrical set composed of an LED and a double-chip phototransistor, wherein the bottom casing is integrally formed with stepped supports for fitting the circuit board thereon, two shaft posts and a roller support, and the circuit board is located on a front section of the bottom casing, extending from front end thereof only to the position of the slotted discs , on one side of the circuit board adjacent to the slotted discs being formed with an X direction and a Y direction rectangular slots whereby the LED and phototransistor are disposed on two opposite sides of each of the slots, the shaft post being formed with a shaft hole and a slant slide channel located thereabove, whereby the slotted disc can be pushed through the slant guide channels of two opposite shaft posts until protuberances of a shaft section of the slotted disc are inserted into the shaft holes so as to permit the slotted disc to freely rotate about the axis of the shaft section, the roller support being S-shaped leaf spring having a rectangular recess for fitting the idle roller therein.