Abstract: There is provided a cleaning robot including a light source module and an image sensor. The light source module projects a horizontal line pattern toward a moving direction. The image sensor captures, toward the moving direction, an image of the horizontal line pattern. The light source module is arranged below the image sensor so as to eliminate the interference from second reflection.

Abstract: A power adapter includes a flyback converter and a buck converter. If a first device is a preferred device, then power is allocated to the first device up to a first value. If a second device is plugged in, then power is re-allocating to the first device up to a second value and up to a third value to the second device. A total of the second value and the third value is up to the first value.

Abstract: A capacitive touchpad is provided, which includes a substrate module, a plurality of sensing electrodes, a plurality of driving electrodes and a plurality of light-emitting diode (LED) dies. The plurality of sensing electrodes and the plurality of driving electrodes form a touch sensing region of the capacitive touchpad, and the touch sensing region is divided into a plurality of sensing units having same areas. Each of the LED dies is arranged in two adjacent ones of the plurality of sensing units, and a position of each of the LED dies corresponds to one of the plurality of driving electrodes, and the LED dies are electrically isolated from the plurality of sensing electrodes and the plurality of driving electrodes.

Abstract: An object position determining system comprising: at least one light source, configured to emit light; at least one optical sensor, configured to sense optical data generated based on reflected light of the light; and a processing circuit, configured to compute distance information between the optical sensor and an object which generates the reflected light. The processing circuit further determines a position of the object according to the distance information.

Abstract: A mechanical key component and a mechanical keyboard are provided. The mechanical key component includes a circuit board, an elastic element and a key cap. The circuit board is provided with a first sensing electrode. The elastic element is disposed on the circuit board, and a movable portion of the elastic element is connected to a second sensing electrode. The key cap is movably disposed on the elastic element. The elastic element enables the key cap to move between an unpressed position and a pressed position, and the movable portion drives the second sensing electrode to move relative to the first sensing electrode. In response to the key cap being moved between the unpressed position and the pressed position, a coupling capacitance between the first sensing electrode and the second sensing electrode changes to indicate whether the key cap is in the unpressed position or the pressed position.

Abstract: A capacitive touchpad is provided, which includes a substrate module, a plurality of sensing electrodes, a plurality of driving electrodes and a plurality of light-emitting diode (LED) dies. The plurality of sensing electrodes and the plurality of driving electrodes form a touch sensing region of the capacitive touchpad, and the touch sensing region is divided into a plurality of sensing units having same areas. Each of the LED dies is arranged in two adjacent ones of the plurality of sensing units, and a position of each of the LED dies corresponds to one of the plurality of driving electrodes, and the LED dies are electrically isolated from the plurality of sensing electrodes and the plurality of driving electrodes.

Abstract: An object position determining system comprising: at least one light source, configured to emit light; at least one optical sensor, configured to sense optical data generated based on reflected light of the light; and a processing circuit, configured to compute distance information between the optical sensor and an object which generates the reflected light. The processing circuit further determines a position of the object according to the distance information.

Abstract: An optical detection device includes a first linear light source, a second linear light source, an optical sensor array and a processor. The first linear light source is adapted to project a first long strip illumination beam onto the target container. The second linear light source is adapted to project a second long strip illumination beam onto the target container, and the second long strip illumination beam is crossed with the first long strip illumination beam. The optical sensor array is adapted to receive a first long strip detection beam and a second long strip detection beam reflected from the target container. The processor is electrically connected to the optical sensor array. The processor is adapted to analyze intensity distribution of the first long strip detection beam and the second long strip detection beam to acquire a relative distance between the optical sensor array and the target container.

Abstract: A key unit and a keyboard using the same are provided. The key unit includes a circuit board, a supporting assembly, a keycap, and a floating conductive structure. The circuit board includes a capacitance sensing circuit embedded therein, and the capacitance sensing circuit includes a pair of sensor electrodes which are spaced apart from each other. The supporting assembly is disposed on the circuit board. The keycap is moveably disposed above and spaced apart from the circuit board. The supporting assembly disposed between the keycap and the circuit board allows the keycap to be moved between a non-depressed position and a depressed position with respect to the circuit board. The floating conductive structure is disposed on the supporting assembly, and an orthogonal projection of the floating conductive structure on the circuit board overlaps with the pair of sensor electrodes.

Abstract: A lighting touchpad is provided, which includes a substrate module, a sensing electrode layer formed on the substrate module, a driving electrode layer including a plurality of driving electrodes formed on the substrate module, a plurality of light emitting diode (LED) dies, a protective layer, and a controller. The protective layer covers the sensing electrodes, the driving electrodes, and the LED dies. The controller is electrically coupled to the sensing electrode layer, the driving electrode layer, and the LED dies through the substrate module. The substrate module includes a first substrate having two opposite surfaces. The driving electrode layer is formed on one of the two opposite surfaces of the first substrate, and the LED dies are mounted on another one of the two opposite surfaces of the first substrate and are closer to the protective layer.

Abstract: A lighting touchpad is provided. The lighting touchpad includes a substrate, a plurality of first electrodes, a plurality of second electrodes, a plurality of bonding pads and a plurality of lighting devices. The plurality of first electrodes, the plurality of second electrodes and the plurality of bonding pads are arranged on the substrate, and the first electrodes, the second electrodes, and the bonding pads are alternately arranged in a sensing area without overlapping with one another. The pluralities of lighting devices are connected to a part of the bonding pads.

Abstract: A lighting touchpad is provided, which includes a substrate module, a plurality of sensing electrodes, a plurality of driving electrodes, a plurality of light emitting diode (LED) chips mounted on the substrate module, and a controller. The driving electrodes and the sensing electrodes are formed on the substrate module. The driving electrodes define a distribution space that extends along a normal direction of the substrate module. The LED dies are arranged in the distribution space. The controller is electrically coupled to the sensing electrodes, the driving electrodes, and the LED dies through the substrate module. When a coupling capacity is generated between a conductor and at least one of the sensing electrodes, the controller is configured to drive at least one of the LED dies adjacent to the at least one of the sensing electrodes to emit light.

Abstract: A pressure sensing unit is provided. The pressure sensing unit includes a membrane and a pressure sensing pad group. The membrane has a first surface and a second surface. The pressure sensing pad group includes a first pressure sensing pad, a second pressure sensing pad, and a ground pad that are spaced apart from one another. The ground pad and one among the first pressure sensing pad and the second pressure sensing pad are located at the first surface of the membrane, another one among the first pressure sensing pad and the second pressure sensing pad is located at the second surface of the membrane, and an orthographic projection of the ground pad projected onto a reference plane is located between orthographic projections of the first pressure sensing pad and the second pressure sensing pad that are projected onto the reference plane. Therefore, a signal-to-noise ratio can be increased and an erroneous detection can be prevented.

Abstract: An optical detection device includes a first linear light source, a second linear light source, an optical sensor array and a processor. The first linear light source is adapted to project a first long strip illumination beam onto the target container. The second linear light source is adapted to project a second long strip illumination beam onto the target container, and the second long strip illumination beam is crossed with the first long strip illumination beam. The optical sensor array is adapted to receive a first long strip detection beam and a second long strip detection beam reflected from the target container. The processor is electrically connected to the optical sensor array. The processor is adapted to analyze intensity distribution of the first long strip detection beam and the second long strip detection beam to acquire a relative distance between the optical sensor array and the target container.

Abstract: An optical detection device of detecting a target container includes a linear light source, an optical sensor array and a processor. The linear light source is adapted to project a long strip illumination beam onto the target container. The optical sensor array includes a plurality of sensing units arranged as a long strip adapted to receive a long strip detection beam reflected from the target container. The processor is electrically connected to the optical sensor array. The processor is adapted to analyze intensity distribution of the plurality of sensing units to acquire a relative distance between the optical sensor array and a rim of the target container.

Abstract: A touch sensor, a touch pad, a method for identifying an inadvertent touch event and a computer device are provided. A control circuit of the touch sensor identifies whether there is the inadvertent touch event in response to the touch signals that indicates at least one touch event applied to the touch pad having the touch sensor. In the method, the touch signals are discarded if the inadvertent touch event is identified when a touch position corresponding to the touch signals is within an object detection area defined for the touch pad, or the touch positions in response to the touch signals are reported to the computer device if a multi-touch event is identified when the touch positions are within a touch detection area defined for the touch pad.

Abstract: An input method and a controller of a touch keyboard are provided. The input method includes: detecting a touch behavior performed on the touch keyboard, and identifying the touch behavior to determine whether to output mouse event data, keyboard event data or a combination of mouse event data and keyboard event data.

Abstract: A pressure sensing unit is provided. The pressure sensing unit includes a membrane and a pressure sensing pad group. The membrane has a first surface and a second surface. The pressure sensing pad group includes a first pressure sensing pad, a second pressure sensing pad, and a ground pad that are spaced apart from one another. The ground pad and one among the first pressure sensing pad and the second pressure sensing pad are located at the first surface of the membrane, another one among the first pressure sensing pad and the second pressure sensing pad is located at the second surface of the membrane, and an orthographic projection of the ground pad projected onto a reference plane is located between orthographic projections of the first pressure sensing pad and the second pressure sensing pad that are projected onto the reference plane.

Abstract: A lighting touchpad is provided, which includes a substrate module, a plurality of sensing electrodes, a plurality of driving electrodes, a plurality of light emitting diode (LED) chips mounted on the substrate module, and a controller. The driving electrodes and the sensing electrodes are formed on the substrate module. The driving electrodes define a distribution space that extends along a normal direction of the substrate module. The LED dies are arranged in the distribution space. The controller is electrically coupled to the sensing electrodes, the driving electrodes, and the LED dies through the substrate module. When a coupling capacity is generated between a conductor and at least one of the sensing electrodes, the controller is configured to drive at least one of the LED dies adjacent to the at least one of the sensing electrodes to emit light.

Abstract: There is provided a touch force sensor including a first drive electrode, a second drive electrode and a receiving electrode. The first drive electrode is used to form a first capacitance with the receiving electrode. The second drive electrode is used to form a second capacitance with the receiving electrode. The receiving electrode shields the first drive electrode such that when a conductor approaches the receiving electrode, only the second capacitance is changed but the first capacitance is not changed. The first capacitance is changed only when the conductor gives a force upon the receiving electrode.