Abstract: A motion recognition device includes a sensing unit and a processing unit. The sensing unit generates a sense signal in response to a body motion occurring at a specific position on a user's body, wherein the sense signal includes a first sense signal portion and a second sense signal portion different from the first sense signal portion, and the body motion belongs to a motion segment of a motion type. The processing unit processes the sense signal to generate a motion parameter signal structure including a fusion signal of the first and the second sense signal portions, and recognizes the specific position to determine an effective reference signal for recognition of the motion type based on the motion parameter signal structure.

Abstract: A motion recognition device includes a sensing unit and a processing unit. The sensing unit generates a sense signal in response to a body motion occurring at a specific position on a user's body, wherein the sense signal includes a first sense signal portion and a second sense signal portion different from the first sense signal portion, and the body motion belongs to a motion segment of a motion type. The processing unit processes the sense signal to generate a motion parameter signal structure including a fusion signal of the first and the second sense signal portions, and recognizes the specific position to determine an effective reference signal for recognition of the motion type based on the motion parameter signal structure.

Abstract: A system for interacting with a target in an operation area having a selection tool includes an operating device. The operating device senses a motion to make a decision about whether the motion has a specific motion, and confirms whether the selection tool is located upon the target according to a distance between the selection tool and the target when the decision is positive.

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 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 control device for controlling a screen includes a processing unit. The screen has a geometric reference for an operation and a first pattern associated with the geometric reference. The control device is configured to sequentially have a plurality of reference directions and an operating direction, the plurality of reference directions defines a reference direction range corresponding to the geometric reference, and the operating direction and the reference direction range have a relationship therebetween. The processing unit generates a plurality of patterns associated with the first pattern in the plurality of reference directions, respectively, estimates the reference direction range according to the plurality of reference directions and the plurality of patterns, and controls the operation of the screen by estimating the relationship.

Abstract: A control system for controlling an operation of a screen having a first geometric reference includes a marking device and a remote-control device. The marking device displays a first pattern associated with the first geometric reference on the screen. The remote-control device obtains a signal from the screen. The signal represents an image having a second geometric reference and a second pattern associated with the first pattern. The second pattern and the second geometric reference have a first geometric relationship therebetween. The remote-control device uses the first geometric relationship to transform the second pattern into a third pattern, and calibrates the first geometric reference according to the third pattern for controlling the operation of the screen.

Abstract: A system for interacting with a target in an operation area having a selection tool includes an operating device. The operating device senses a motion to make a decision about whether the motion has a specific motion, and confirms whether the selection tool is located upon the target according to a distance between the selection tool and the target when the decision is positive.

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: 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 power divider/combiner is formed from multimode dielectric waveguides in hich energy in a single mode is translated into a plurality of modes in the multimode waveguide, each mode is separately amplified and applied to another multimode waveguide that combines the modes in phase at the output thereof.