Abstract: A tilt-wheel mouse circuit is provided. Without adding more I/O pins, the tilt-wheel mouse circuit provides extra scrolling-left and scrolling-right functions through an external-extend circuit and firmware of a micro-controller within the tilt-wheel mouse circuit. It follows that the cost of the manufacturing of the tilt-wheel mouse is accordingly low and the package size of the micro-controller is accordingly small.

Abstract: An optical mouse is provided with a light guide. The light guide has a collecting surface, a single reflection surface and an exit surface, guiding a light of a light source to a tracking surface through three interface engagements of a refraction, a reflection and a refraction, so as to reduce optical power loss caused by too many interface engagements, and to increase a gazing angle of the light incident to the tracking surface. An array of micro-lenses, as a light diffuser, can be set on the exit surface to improve optical characteristics and distribution of the light incident to the tracking surface.

Abstract: The present invention relates to a computer mouse having a front sight button and the method for generating local coordinates with the same, which comprises a position sensor for generating coordinates in accordance with the movement of the mouse, a front sight button for generating a local shooting signal when being pressed, a serial interface device, of which one end is connected to a personal computer for exchanging data between the mouse and the personal computer, and a processing unit. The processing unit is connected to the position sensor, the front sight button and the serial interface device. Upon receiving a local shooting signal, the processing unit generates a specific area having plural perimeter coordinates corresponding to the current coordinate. The processing unit further transmits the current coordinate, the perimeter coordinates and corresponding key-stroke signals sequentially to the personal computer through the serial interface device.

Abstract: A method for automatically identifying an operating system for a USB device begins at initializing the USB device, and recording USB commands sent from the operating system. The USB device determines the operating system as a first operating system when there are two successive USB commands of Get Product String, there is one USB command of Get Vender String, there is no USB command of Reset ahead of a USB command of Set Address, there is no USB command of Get Language ID, or there is no USB command of Set Feature Report. The USB device determines the operating system as a second operating system when there is no USB command of Get Vender String, there are two USB commands of Get Language ID and two USB commands of Get Product String, there is one USB command of Get Device Descriptor following a USB command of Get Product String, or there is one USB command of Set Interface Report.

Abstract: A method for automatically identifying an operating system for a USB device begins at initializing the USB device, and recording USB commands sent from the operating system. The USB device determines the operating system as a first operating system when there are two successive USB commands of Get Product String, there is one USB command of Get Vender String, there is no USB command of Reset ahead of a USB command of Set Address, there is no USB command of Get Language ID, or there is no USB command of Set Feature Report. The USB device determines the operating system as a second operating system when there is no USB command of Get Vender String, there are two USB commands of Get Language ID and two USB commands of Get Product String, there is one USB command of Get Device Descriptor following a USB command of Get Product String, or there is one USB command of Set Interface Report.

Abstract: An apparatus for setting multi-stage displacement resolution of a mouse is disclosed, which has a X-Y axis plane displacement detector, a switching circuit and a mouse micro controller. The X-Y axis plane displacement detector senses a distance and a moving direction generated by the mouse. The switching circuit has at least one switch. The mouse micro controller is coupled to the X-Y axis plane displacement detector and the switching circuit. The mouse micro controller sets the mouse resolution based on each switch, and responds to the distance and moving direction sensed by the X-Y axis plane displacement detector to provide a control signal to a computer connected to the mouse, thereby moving the mouse cursor on the screen of the computer, wherein the mouse cursor is moved based on the mouse resolution.

Abstract: A tilt-wheel mouse circuit is provided. Without adding more I/O pins, the tilt-wheel mouse circuit provides extra scrolling-left and scrolling-right functions through an external-extend circuit and firmware of a micro-controller within the tilt-wheel mouse circuit. It follows that the cost of the manufacturing of the tilt-wheel mouse is accordingly low and the package size of the micro-controller is accordingly small.

Abstract: The present invention relates to a computer mouse having a front sight button and the method for generating local coordinates with the same, which comprises a position sensor for generating coordinates in accordance with the movement of the mouse, a front sight button for generating a local shooting signal when being pressed, a serial interface device, of which one end is connected to a personal computer for exchanging data between the mouse and the personal computer, and a processing unit. The processing unit is connected to the position sensor, the front sight button and the serial interface device. Upon receiving a local shooting signal, the processing unit generates a specific area having plural perimeter coordinates corresponding to the current coordinate. The processing unit further transmits the current coordinate, the perimeter coordinates and corresponding key-strobe signals sequentially to the personal computer through the serial interface device.

Abstract: An improved optical mouse structure, which has a housing and a circuit board. The housing consists of an upper cover and a base. The base has a transparent bottom. The circuit board is arranged fixedly in the housing and has an integrated circuit with a receiving section. One side of the integrated circuit has an extended arm. A light source is arranged on the extended arm to provide the optical mouse with a light. The light crosses the transparent bottom of the base by a first predetermined angle. A lens is arranged below the integrated circuit. The lens has a convex. The convex has an upper surface aligned with the receiving section of the integrated circuit and a lower surface aligned with an area where the light source irradiates on the transparent bottom of the base.

Abstract: An apparatus for setting multi-stage displacement resolution of a mouse is disclosed, which has a X-Y axis plane displacement detector, a switching circuit and a mouse micro controller. The X-Y axis plane displacement detector senses a distance and a moving direction generated by the mouse. The switching circuit has at least one switch. The mouse micro controller is coupled to the X-Y axis plane displacement detector and the switching circuit. The mouse micro controller sets the mouse resolution based on each switch, and responds to the distance and moving direction sensed by the X-Y axis plane displacement detector to provide a control signal to a computer connected to the mouse, thereby moving the mouse cursor on the screen of the computer, wherein the mouse cursor is moved based on the mouse resolution.

Abstract: A light guide module of optical mouse is disclosed. The light guide module comprises a LED die within a light guide input of light guide means. The light guide input comprises an internal paraboloid. Light emitted by the LED die and parallel reflected from the paraboloid is impinged on a light guide output.