Abstract: A touch scroll mouse with orientation sensation comprises a touchpad providing a scroll bar function. The touchpad comprising a plurality of orientation structures, these orientation structures including barriers, protuberant or concave lump structures, protuberant transverse structures or transverse nicks, supplying the users to tell if their finger touch the auto-scrolling regions or determine their slide distance and direction.

Abstract: Operation control methods and systems. Contacts respectively corresponding to at least two pointers on a touch-sensitive mechanism are detected. Movements of the contacts on the touch-sensitive mechanism are detected, and an operation instruction is determined according to the movements. A host executes the operation instruction by enabling a specific object to perform an operation.

Abstract: In a method for scroll bar control on a touchpad, the fingers touching on the touchpad are detected to start up and terminate a scroll bar control function. In the scroll bar control function, the movement of the finger or fingers touching on the touchpad is detected for scrolling on a window, and the vertical distance and the horizontal distance of the movement are evaluated for determining the scrolling amount of a vertical scroll bar or a horizontal scroll bar of the window.

Abstract: A capacitive touchpad integrated with key and handwriting functions is provided for operation in key, handwriting and mouse modes. Several regions are defined on the panel of the touchpad and have several patterns printed thereon for the operation modes thereby. In the key mode, the key patterns among the printed patterns simulate a keyboard. In the handwriting mode, the handwriting region among the defined regions serves to handwriting input. In the mouse mode, the defined regions provide a cursor moving region and a horizontal and vertical scroll bars for input operations.

Abstract: In a method for functioning a mouse Zx scroll with a standard mouse driver, a pair of middle-button signals of a mouse are generated by a standard mouse driver of Microsoft to sandwich a horizontal movement amount signal when scrolling a horizontal scroll bar of a window by a Zx mechanism of the mouse. Since the horizontal scroll bar is operated only by the standard mouse driver of Microsoft, there is no need of additional or specific mouse driver for the Zx function of a mouse.

Abstract: In a movement detection method for multiple objects on a capacitive touchpad, the waveform of sensed values on the touchpad is monitored for its variation to determine respective movements of the objects on the touchpad, and various operational gestures are further determined exactly.

Abstract: A scrolling region is selected on a touchpad and defined several sections each of which corresponding to a displacement signal in a specific direction, such that by touching on the programmed sections to trigger the respective displacement signals, a scroll bar on a window becomes more easily to control for scrolling in desired direction with desired displacement.

Abstract: A multi-function touchpad has a first button located at substantially a center of the touchpad and a second button at substantially an edge of the touchpad. When the first button is pressed, if the second button is also pressed, the touchpad triggers the function in response to the first button and ignores the pressing of the second button.

Abstract: A touchpad having capability of inducing sensation of tactile key comprises a deformable cover provided over a sensor, the deformable cover having a key region. The deformable cover is presented as a flat shape or curved shape. The key region is provided with a projecting structure, recessed structure, or flat structure. Preferably, the key region is provided thereon with a pattern representative of a key. Alternatively, the touchpad further comprises a support member provided between the deformable cover and the sensor. Preferably, the support member is provided underneath the key region with a recess.

Abstract: In a touchpad with single-layered PCB structure, a PCB has a bottom layer with a sensor area and a component area thereon, the sensor area includes two directional traces directly connected to the component area, respectively, and carbon film wires in the sensor area for interconnecting one or more of the directional traces.

Abstract: A capacitive touchpad comprises two traces with a plurality of first and second sensors coupled thereto respectively, and the first and second sensors are arranged interlaced and uneven spaced to each other. By detecting the capacitance variances produced by the sensors from the traces, phase leading or lagging Z-axis signals are generated to determine the moving direction of a finger sliding on the capacitive touchpad.

Abstract: For power saving, a structure of a capacitive touchpad comprises a soft board having a bottom surface with a first conductor thereon, a printed circuit board having a top surface with a second conductor thereon, a flexible insulator between the soft board and printed circuit board, and a control circuit having an I/O port connected to the second conductor, such that a pressing on the soft board may move the first conductor down to contact the second conductor to thereby generate a voltage change signal present on the I/O port, causing the control circuit to wake up the capacitive touchpad.

Abstract: An input apparatus using multidimensional electrodes to define key functions and the encoding method thereof is peculiarized by utilizing N-dimensional electrodes to define the individual key functions, where N is a positive integer number greater than two. The keyboard scan process according to the present invention is to perform the scan on the coordinate electrodes one by one and save the scan codes for making a synthetic determination, so as to identify the key being pressed. The keyboard encoder IC using the keyboard scan process of the present invention is advantageous to the pin number reduction and cost descent.

Abstract: In a method for scroll bar control on a touchpad, the fingers touching on the touchpad are detected to start up and terminate a scroll bar control function. In the scroll bar control function, the movement of the finger or fingers touching on the touchpad is detected for scrolling on a window, and the vertical distance and the horizontal distance of the movement are evaluated for determining the scrolling amount of a vertical scroll bar or a horizontal scroll bar of the window.

Abstract: A capacitive touchpad provides operational modes including key input, graphical input, handwriting input, and mouse control. The touchpad comprises a panel having several programmed regions thereon, several patterns in the regions are programmed for the operational modes, and a pattern on the panel is programmed as a mode switch to switch the touchpad between the operational modes. In the graphical input mode, the regions include a graphical input region for graphical input. In the key input mode, the patterns include ones for keys to simulate a keyboard. In the handwriting input mode, the regions include a handwriting region for handwriting input. In the mouse control mode, the regions include a cursor control region as well as horizontal and vertical scroll regions.

Abstract: An on-system programmable and off-system programmable chip comprises a control circuit connected to an on-system programmable nonvolatile memory and an off-system programmable nonvolatile memory, and a pumping circuit connected to the on-system programmable nonvolatile memory. In a programming mode of the chip, external programming voltages are provided for programming the off-system programmable nonvolatile memory, and in an operation mode of the chip, the pumping circuit produces internal programming voltages for the on-system programmable nonvolatile memory for programming the on-system programmable nonvolatile memory.

Abstract: In a capacitive touchpad, a plurality of sensing zones are defined, and a controller is connected with a plurality of scan lines for sensing a movement of an object slipping on the plurality of sensing zones, wherein at least one of the plurality of scan lines is connected to at least two of the plurality of sensing zones. The distance, speed and direction of the movement are determined by detecting the object on the touchpad at two positions upon two scans, and thereby the control of a scroll bar is accomplished. The capacitive touchpad is applied for a Z-axis arrangement on a mouse and a scroll arrangement on a keyboard.

Abstract: A mode switch apparatus for an optical mouse comprises a capacitive touchpad mounted on a housing of the optical mouse, and a microprocessor connected to the capacitive touchpad. When a user's hand touches or leaves the capacitive touchpad, a signal representative of capacitance change is generated in response thereto, and the microprocessor switches the optical mouse from a first mode to a second mode, or from the second mode to the first mode, in response to the signal representative of capacitance change.

Abstract: An apparatus comprises a case, one or more capacitive touchpads mounted on the case for serving as the input interface of the apparatus, and a microprocessor within the case connected to the capacitive touchpads. Each of the capacitive pads generates a signal representative of capacitance change in response to a touch thereon, and the microprocessor determines the displacement, moving speed, relative position, or continuing and discontinuing time of the touch from the signal representative of capacitance change, to accordingly generate corresponding output as a button, Z-axis or scrolling signal.

Abstract: A capacitive touchpad comprises a membrane and a printed circuit board combined together. The membrane comprises an X trace and a Y trace with an insulator layer inserted therebetween, and the printed circuit board has connection pads on a top side of a substrate that are electrically connected to the X and Y traces. The printed circuit board further comprises vias connected between the connection pads and a conductor layer on the bottom side of the substrate. To form the capacitive touchpad, the membrane and printed circuit board are individually produced in advance, and then combined together. Alternatively, the membrane is printed on the printed circuit board.