Abstract: A tablet of a battery-free wireless pointing device has a battery-free wireless pointing device and a tablet. The wireless pointing device includes a power supply circuit and a sensing circuit. The tablet includes a signal processing unit, a first antenna loop, and a second antenna loop. The sensing circuit receives electric energy generated by the power supply and generates a sensing signal. The second antenna loop receives the sensing signal. The signal processing circuit generates a frequency signal and determines a current coordinate position of the pointing device according to the sensing signal.

Abstract: An optical input device is applied in an electronic device. The optical input device includes a light source generator and a photosensitive plate. The light source generator has a body and a light source disposed within the body. The photosensitive plate is electrically connected to the electronic device, or is electrically disposed within the electronic device, and is electrically connected to a microprocessor. The light source of the light source generator emits a light ray through the body to form a light pattern image on the photosensitive plate. The photosensitive plate detects a deformation of the light pattern image, and outputs a control signal to the microprocessor correspondingly according to a shape of the light pattern image, enabling the electronic device to execute a corresponding preset function.

Abstract: A circuit interface device is presented. A circuit board is secured by a circuit board cover, a plurality of electrical contacts is disposed on the circuit board, and a connector cover is coupled to a front end of the circuit board, such that a socket disposed at one end of the connector cover is corresponding to an upper side of the electrical contacts of the circuit board, thereby forming a connector of the circuit interface device. As such, through a structural design of buckling the connector cover on the circuit board without completely covering the connector cover on outer edge of the circuit board, a thickness of the connector cover covering the circuit board cover is reduced.

Abstract: A circuit interface device includes a shell and a circuit board assembly. The circuit board assembly has a circuit board protection cap and a circuit board installed on the circuit board protection cap. A plurality of electrical connection contacts is disposed on one side surface of the circuit board. The circuit board assembly and the shell are assembled together in a structural matching mode. The circuit board is supported by the circuit board protection cap, so that the electrical connection contacts on the circuit board are corresponding to a socket at one end of the shell, and the shell enables the circuit interface device to be electrically inserted into a circuit interface jack of an electronic device by using a connecting portion.

Abstract: An optical trace detecting module is disposed in a computer input device. The computer input device is able to displace on a plane relatively, and has a light-pervious plate used for an object to contact with and move on a surface thereof. The optical trace detecting module includes a circuit board, a first projection set, a second projection set, and at least one optical path diverting element. An optical sensor is electrically disposed on the circuit board. The first projection set is opposite to the light-pervious plate. The second projection set is opposite to the plane. The optical path diverting element is disposed between the two projection sets and the optical sensor, so as to direct the sensing beams emitted by the two projection sets to reach the optical sensor, thereby generating corresponding control signals.

Abstract: A rotating mechanism for an electronic device has a stationary seat with a limiting recess, a limiting ring mounted through the stationary seat with inner and outer limits, a shaft mounted through the stationary seat and the limiting ring with a limiting protrusion. With the limiting protrusion pushing the inner limit and the outer limit sliding in the limiting recess, the shaft achieves two stages of rotation to enhance the rotating angle in both directions. Moreover, with the adjusting of the sizes of the components, the rotating mechanism may provide rotating angle by 360 to 700 degrees.

Abstract: A computer input device with a time-difference-type bi-coordinate output, a time-difference-type data input processing method, and a sensor thereof. The computer input device includes a first light source for producing a first projecting beam in an alternating on and off manner; a second light source for producing a second projecting beam when the first light source is turned off; and a sensor module. The sensor module includes an optical signal receiving region for receiving the first projecting beam to obtain a first image data and receiving the second projecting beam to obtain a second image data; a control unit for comparing the first image data obtained at different time points to compute a first displacement data and comparing the second image data obtained at different time points to compute a second displacement data; and a storage unit for storing the first displacement data and the second displacement data.

Abstract: An optical multi-touch method of a window interface is adapted to control an object in the window interface. The method includes providing a first optical sensing window to obtain a first tracking signal and providing a second optical sensing window to obtain a second tracking signal; resolving the first tracking signal to determine a first displacement direction and resolving the second tracking signal to determine a second displacement direction; and controlling a motion of the object in the window interface according to a relative relation between the first displacement direction and the second displacement direction.

Abstract: An optical trace detecting module includes a light-pervious plate, a light source, an optical sensor, an imaging lens, and an optical path diverting element. The light-pervious plate contacts an object and allows the object to move on a surface thereof. The imaging lens is disposed between the light-pervious plate and the optical sensor. The optical path diverting element is disposed between the imaging lens and the optical sensor. A sensing light projected from the light source is refracted to the optical sensor under the guide of the optical path diverting element.

Abstract: A manipulation input device structure includes a foundation base and an operating base. The foundation base has a rotation slot, such that the operating base is pivoted therein, and the operating base may relatively pivots to the foundation base and is fixed at a using position or a packaging position. When the operating base pivotally rotates to the packaging position, a space occupied by the manipulation input device is smaller than a space occupied by the manipulation input device when the operating base is located on the using position.

Abstract: A digital photo frame with automatic image recognition, a display system, and a method thereof is related to the digital photo frame including an image capturing unit, a storage unit, an image recognition unit, a comparison unit, and a display unit. First, the image capturing unit captures an image data of a object, and the storage unit stores a plurality of image data. Next, the image recognition unit recognizes a feature corresponding to the object in the captured image data, and the comparison unit searches for at least one image data having the recognized feature in the plurality of image data stored in the storage unit according to the recognized feature. Finally, the display unit displays the at least one image data obtained by searching.

Abstract: An electronic device with a retractable connector has a housing, an electronic assembly being mounted in the housing and a positioning assembly being mounted between the housing and the electronic assembly. The housing has at least one positioning detent being formed in an inner surface of the housing. The electronic assembly has a circuit board and a connector being mounted on the circuit board and through the connector hole of the housing. The positioning assembly is securely mounted on the circuit board and selectively engages in the positioning detent of the housing. Since positioning structures are formed on the housing and the circuit board, the volume of the electronic device is reduced. In addition, no additional holes are formed through the housing and an original design and an appearance of the housing are kept.

Abstract: A computer input device including a top shell and a bottom shell is described. The top shell is manufactured in an integral and inseparable manner. The top shell is formed with an annular trench, so as to form movable members with pressing ends. The pressing ends contact an electronic circuit device installed on the bottom shell and may be reciprocally moved on the electronic circuit device.

Abstract: An encoding module applied to a computer input device is described, which includes an encoder and a scroll wheel. The encoder is electrically disposed on a circuit board of the computer input device and is protruded with a revolving shaft. The scroll wheel has a wheel axle passing there through and is rotatably disposed within a shell of the computer input device. One end of the wheel axle has two opposite clamping arms, so as to clamp the revolving shaft. Once the scroll wheel is rotated, the revolving shaft is driven to rotate together.

Abstract: An auto-rechargeable wireless computer peripheral includes a wireless power supply module and a wireless receiving module. The wireless power supply module is used for transmitting an electromagnetic wave. The wireless receiving module is corresponding to the wireless power supply module, for receiving the electromagnetic wave, converting the electromagnetic wave into an electric power, and storing the electric power. When the electric power stored by the wireless receiving module is lower than a rated value, the wireless receiving module outputs a charging signal, and the wireless power supply module receives the charging signal and transmits the electromagnetic wave in response to the charging signal, so as to automatically charge the wireless receiving module.

Abstract: A quick-assembly computer peripheral has a bottom casing, a top casing, a vertical mounting device, an electronic assembly and a vertical positioning device. The vertical mounting device is mounted between the top and bottom casings and combining the top and bottom casings together along a vertical direction. The electronic assembly is mounted between the bottom and top casing and has a PCB and a cable assembly. The vertical positioning device mounted between the top and bottom casings and positioning the electronic assembly along the vertical direction. Because fabrication of the quick-assembly computer peripheral does not require fasteners, such as screws or rivets, fabrication is quick and easy.

Abstract: A signal processing method for an optical trace-detecting module is adapted to perform signal processing between a hardware device having an optical trace-detecting module and a computer device. After a hardware device performs signal connection with a computer device, a fingerprint recognition start-up is implemented by an optical trace-detecting module of the hardware device. Continuous image detection is then performed for displacement control. The presence of the hardware device is confirmed by a start-up procedure of the computer device. A single fingerprint image is picked up by the optical trace-detecting module of the hardware device so as to perform start-up ID recognition. After that, a plurality of frames of object images is continuously picked up by the optical trace-detecting module, and then converted into a displacement signal to be transmitted to the computer device, so as to control a window interface.

Abstract: An optical trace detecting module includes a light-pervious plate, a light source, an optical sensor, an imaging lens, and an optical path diverting element. The light-pervious plate contacts an object and allows the object to move on a surface thereof. The imaging lens is disposed between the light-pervious plate and the optical sensor. The optical path diverting element is disposed between the imaging lens and the optical sensor. A sensing light projected from the light source is refracted to the optical sensor under the guide of the optical path diverting element.

Abstract: An input device and a control method thereof are described. The input device includes an optical trace-detecting module, an instruction determining module, and an instruction code transmitting module. A finger moving signal is received by the optical trace-detecting module, an input rotating instruction is judged according to the finger moving signal, and then a rotating instruction code corresponding to an angle is transmitted.