Assembled photomechanical mouse structure
US5311209A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 24, 1993 |
| Grant date | May 10, 1994 |
| Priority date | — |
| Expiry date | Mar 24, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/0333
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
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 …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.