Abstract: A method for performing a positioning operation related to an image area having a specific position includes the following steps. A specific orientation directed towards the specific position is provided, wherein the specific orientation and the specific position have a specific spatial relation therebetween, and the specific orientation and the image area have a specific angle structure therebetween. The specific angle structure is determined by detecting the specific orientation. The specific spatial relation is calculated according to the determined specific angle structure and the image area. A selection device for performing a positioning operation is also provided.

Abstract: A programmable remote controller, used for controlling audio/video devices, includes a main body, a button module, a motion-sensing module, a microprocessor unit, and a memory. The button module includes a function button group related to the control of the audio/video devices and a programming button group related to the setting of the remote controller. The setting method includes steps of: pressing a first button of the programming button group to start the setting method; pressing at least one function button of a function button group which corresponds to at least one function operation of the audio/video devices; controlling the main body of the remote controller to have a first motion status which is sensed by the motion-sensing module; and storing the first motion status and a first control command corresponding to the at least one function operation in the memory.

Abstract: A method for performing a positioning operation related to an image area having a specific position includes the following steps. A specific orientation directed towards the specific position is provided, wherein the specific orientation and the specific position have a specific spatial relation therebetween, and the specific orientation and the image area have a specific angle structure therebetween. The specific angle structure is determined by detecting the specific orientation. The specific spatial relation is calculated according to the determined specific angle structure and the image area. A selection device for performing a positioning operation is also provided.

Abstract: A selection device for selecting an icon in an image area is provided including a motion-sensing unit and a processing unit. The motion-sensing unit senses a first motion and converts the first motion into a first signal. The processing unit converts the first signal into a first locus in the image area, determines a first area in the image area according to the first locus, and determines whether the icon is to be selected according to the first area and a second area where the icon is to be displayed in the image area.

Abstract: A method is disclosed in this invention for calibrating an offset Voffset and sensitivity Vsensitivity for an accelerometer implemented in a level gauge having a known value of an offset angle ?? and a known value of a relative angle between top-and-bottom surface ?s. The method includes a step of placing the level gauge implemented with the accelerometer on a table-top surface having a tilt angle ?1 and measuring a tilt angle ?F from the level gauge and an output voltage VF from the accelerometer, then rotating the level gauge 180 degrees on the table-top surface along a perpendicular axis relative to the table top surface and measuring a tilt angle ?B from the level gauge and measuring an output voltage VB from the accelerometer.

Abstract: A programmable remote controller, used for controlling audio/video devices, includes a main body, a button module, a motion-sensing module, a microprocessor unit, and a memory. The button module includes a function button group related to the control of the audio/video devices and a programming button group related to the setting of the remote controller. The setting method includes steps of: pressing a first button of the programming button group to start the setting method; pressing at least one function button of a function button group which corresponds to at least one function operation of the audio/video devices; controlling the main body of the remote controller to have a first motion status which is sensed by the motion-sensing module; and storing the first motion status and a first control command corresponding to the at least one function operation in the memory.

Abstract: A secure remote control apparatus having a motion is provided. The secure remote control apparatus includes a determining device and a signaling unit. The determining device produces a first signal in response to the motion. The signaling unit transmits a plurality of signals associated with the first signal, wherein each of the plurality of signals has a respective transmitting direction. The secure remote control apparatus ensure that the receiver of the electronic apparatus controlled by the secure remote control apparatus still can receive a signal associated with at least one of the plural infrared signals when the secure remote control apparatus is waved.

Abstract: An inertial mouse device includes a main body; an accelerometer unit disposed in the main body for performing a motion-sensing function of the main body with at least two degrees of freedom, and generating a calibration output value when the main body is in a still state; and a microprocessor in communication with the accelerometer unit, receiving and processing the calibration output value with an operation so as to obtain an angle of the accelerometer unit relative to horizon. The microprocessor generates a shift signal when the main body is in a motional state, and performs calibration for the shift signal according to the angle.

Abstract: A selection device for selecting an icon in an image area is provided including a motion-sensing unit and a processing unit. The motion-sensing unit senses a first motion and converts the first motion into a first signal. The processing unit converts the first signal into a first locus in the image area, determines a first area in the image area according to the first locus, and determines whether the icon is to be selected according to the first area and a second area where the icon is to be displayed in the image area.

Abstract: A home entertainment system includes a first audio/video device and a remote controller. The first audio/video device has a wireless signal receiver. The remote controller includes a main body, a motion-sensing unit, a microprocessor, and wireless transmission unit. The main body is held by a user. The motion-sensing unit is disposed within the main body for generating a sensing signal in response to a motion of the main body by the user. The microprocessor is disposed within the main body and communicates with the motion-sensing unit for processing the sensing signal, thereby generating a control signal. The wireless transmission unit communicates with the microprocessor for receiving the control signal and wirelessly transmitting the control signal to the wireless signal receiver. A first selective item of an electronic menu shown on the first audio/video device is highlighted according to the control signal.

Abstract: A wireless remote controller for controlling multiple devices, including devices for home entertainment center such as TV, set-top box, audio and video recorders and players. The wireless remote control system is implemented to integrate and signals received from these devices for displaying selectable control items on an image display screen. The remote controller interfaces with the wireless remote control system to select different operation functions for each of these devices by physically moving and rotating the remote controller with requiring pressing down buttons on the remote controller in change selection items displayed on the image display screen.

Abstract: A remote controller for controlling a presentation image is disclosed. The remote controller includes gyroscope to detect the movement and angular speed of the remote controller and generate corresponding signals for transmitting to a computer or projection system. The movement or angular speed signals are processed and applied to move a display cursor or highlight indicator in different areas of the display image according to the movements and angular speed and positions of the remote controller thus enhancing the control the image of the presentation without requiring the presenter to look away from the screen in search of many different push buttons to control the presentation images.

Abstract: A method for controlling a display cursor includes a step of receiving and processing signals from an accelerometer included in a cursor control device by applying a low-pass filter for filtering out signals received from an accelerometer having a frequency higher than a cutoff frequency and adjusting the cutoff frequency depending on a speed of a cursor movement controlled by a speed of angular position change of the display cursor control device.

Abstract: A method is disclosed in this invention for calibrating an offset Voffset and sensitivity Vsensitivity for an accelerometer implemented in a level gauge having a known value of an offset angle ?? and a known value of a relative angle between top-and-bottom surface ?s. The method includes a step of placing the level gauge implemented with the accelerometer on a table-top surface having a tilt angle ?1 and measuring a tilt angle ?F from the level gauge and an output voltage VF from the accelerometer, then rotating the level gauge 180 degrees on the table-top surface along a perpendicular axis relative to the table top surface and measuring a tilt angle ?B from the level gauge and measuring an output voltage VB from the accelerometer.

Abstract: A method is disclosed in this invention for compensating a temperature dependent variation of an offset Voffset and sensitivity Vsensitivity parameters of an accelerometer. The method includes steps of a) Measuring a Sensitivity Vsensitivity(T0) and an Offset Voffset(T0) at a room temperature T0 to input to a microprocessor to calculate two tilt angles ?1 and ?2 in placing the accelerometer in a furnace for adjusting a controllable temperature therein; b) Keeping the accelerometer at the fixed tilt angle ?1 and adjusting the temperature of the furnace for measuring an output voltage at ?1 Vo(T, ?1) and keeping the accelerometer at another fixed tilt angle ?2 and adjusting the temperature of the furnace for measuring an output voltage at ?2 Vo(T, ?2); and c) solving equations to obtain the offset Voffset and sensitivity Vsensitivity parameters at different temperatures and storing these parameters in the microprocessor.

Abstract: A data-handling and processing system includes an image-display cursor-control device for controlling an image display cursor of an image display. The system is further operated a pad for placing and moving the image-display cursor-control device and the pad has a curved surface. The image-display cursor-control device further includes an accelerometer for sensing a tilt angle in moving along the curved surface of the pad. The image-display cursor-control device further includes a container housing for containing the accelerometer therein.