Abstract: An electronic device includes a storage unit, a motion sensor, a remote signal generating unit, a processing unit, and a transmitting unit. The storage unit stores a control table recording a number of remote controlled devices, a number of movements of the electronic device, and a number of control commands. Each remote controlled device is associated with at least one of the movements. Each movement corresponds to one control command. The motion sensor is to sense movement of the electronic device. The processing unit is to search in the control table to determine the control command the sensed movement corresponding to according to the sensed movement and a selected remote controlled device, and further to control the remote signal generating unit to generate a remote signal corresponding to the control command. The transmitting unit transmits the remote signal to the selected remote controlled device.

Abstract: A head-mounted display device having an interactive function is provided. The head-mounted display device includes a play unit, a display unit and a sensor unit. The play unit plays a portion of an image on the display unit. The display unit displays the image being played. The sensor unit senses a movement and a movement direction of the head-mounted display device. The play unit further adjusts the displayed portion of the image being played according the movement and the movement direction of the head-mounted display device.

Abstract: A wrist worn electronic device includes a main body having a processor and a receiving member electrically connected to the processor. A belt includes an electronic component and a connection member electrically connected to the electronic component. The connection member is used to engage the receiving member, to connect the belt to the main body and electrically connect the electronic component to the processor.

Abstract: An electronic device with power saving function is provided. When the power saving function of the electronic device is active, the electronic device obtains the distance between any object in a proximal area of the electronic device and the electronic device and stores the obtained distance as an original distance, and then periodically obtains the distance between the object and the electronic device, and stores the obtained distance as a current distance. The electronic device is put into power saving mode if an difference between the original distance and the current distance does not fall into the predetermined range.

Abstract: A display device with an image capturing function includes a power supply and a thin film transistor liquid crystal display (TFT-LCD) and a processing unit. The processing unit includes a capturing module and a control module. The capturing module is placed on a back side of the TFT-LCD, and captures images of an object on a front side of the TFT-LCD. The control module is used for controlling the power supply to switch the TFT-LCD between a light permeating state and a light semi-permeating state. The control module is further used for controlling a capturing rate of the capturing module to be at least an integer multiple of a switch rate of the TFT-LCD between the light permeating state and the light semi-permeating state.

Abstract: An electronic device includes a touch screen, a storage unit storing a plurality of electronic files and relationships between display contacts and functions, and a processing unit. The touch screen produces contact signals in response to user's display contacts. The processing unit detects the user's display contacts according to the contact signals, determines a function corresponding to the user's display contact according to the relationships, and determines the function is a data transmitting function when the display contact is a pre-defined corresponding contact. The processing unit further determines an electronic file displayed on the touch screen and transmits the determined electronic file, when determining the function is the data transmitting function.

Abstract: A electronic device includes a display and a housing to house the display. A solar energy collector is arranged on a internal sidewall of the housing, and converts solar energy into electricity. A beam splitter is arranged on and covers the display, and reflecting incident light to the solar energy collector.

Abstract: In an electronic device with power saving function, when the power saving function of the electronic device is active, the electronic device detects the distance between any object in a proximal area of the electronic device and the electronic device and stores the detected distance as an original distance, and then periodically detects the distance between the object and the electronic device, and stores the detected distance as a current distance. The electronic device is put into power saving mode if an difference between the original distance and the current distance does not fall into the predetermined range.

Abstract: A device for generating 3D images includes a reflective display, two light sources, a controller and two laser sheets. The reflective display displays images. The two light sources are oppositely placed in front of the reflective display. The controller directs two light sources to alternately emit light. The two laser sheets are respectively mounted below the two light sources. One of the two laser sheets polarizes the light from one of the two light sources to P-polarized light, and the other laser sheet is for polarizing the light from the other light source to S-polarized light. The reflective display receives the alternate P-polarized light and S-polarized light, and alternately reflects P-polarized images and S-polarized images.

Abstract: A method applied in a display apparatus is provided. The display apparatus includes a first screen, a second screen, power signal means. The first screen is volatile. The second screen is non-volatile. The power signal means generate a power off signal in response to a user operation. The method includes: determining whether a power off signal is received; displaying a user interface on the first screen if the power off signal is received; controlling the display on the second screen in response to a user selection on the operation interface; generating a shutdown signal; and powering off the first screen, and the second screen when receiving the shutdown signal.

Abstract: An electronic device includes a storage unit, a sound signal receiving unit, a remote signal generating unit, a processing unit, and a transmitting unit. The control table records RC devices, sound parameters, and control commands. Each RC device is associated with at least one sound parameter. Each sound parameter corresponds to one control command. The sound signal receiving unit receives sound signals. The processing unit determines a sound parameter according to the received sound signals, searches in the control table to determine the control command the sound parameter corresponding to according to a selected RC device, and controls the remote signal generating unit to generate a remote signal corresponding to the determined control command. The transmitting unit transmits the remote signal to the selected RC device.

Abstract: An electronic device and a display mode control method thereof are disclosed. The electronic device includes an infrared lighting unit, an imaging unit, and a processing unit. The infrared lighting unit illuminates a face or an eye of a person that is using the device. The imaging unit takes an image of the face or the eye that the lighting unit illuminates. The processing unit calculates a sight line vector according to the image taken by the imaging unit and determining whether the sight line vector points to the device. If the sight line vector points to the device, switch the device into a normal mode; otherwise, switch the device into a power saving mode.

Abstract: A projection device with an illumination adjustment function is provided. The projection device includes a storage unit for storing a predetermined illumination range value; a lens module, a light source, a power supply unit, an optical sensor, a controller, a power controller, and an optical engine. The light source emits light onto a projection screen. The optical sensor receives the light reflected from the projection screen. The controller acquires an illumination value of the light, and compares whether the illumination value falls within the predetermined illumination range. The power controller adjusts a power from the power supply unit to the light source until the illumination value falls within the predetermined illumination range. The optical engine is controlled to operate the light when the illumination value of the light falls within the predetermined illumination range. The lens module focuses the light onto the projection screen.

Abstract: A system for modulating audio effects of speakers is provided. The system includes a selecting module, a playing module, a recording module, a time delay computing module and a modulating module. Based on these modules, the system is capable of determining a time difference and a pitch for each of the speakers, and modulating the time difference and the pitch for each of the speakers to a desired time difference and a desired pitch, so as to ensure that simultaneous sounds from each speaker arrive at a microphone at about the same time and with the same audio pitch. A related method is also provided.

Abstract: An optical mouse includes an optical sensor, a number of different light sources, a light source switching module, and a controller. The controller determines the intensity of the reflected light sensed by the optical sensor when any of the light sources is turned on. If the determined intensity is less than a predetermined value, the controller directs the light source switching module to turn off a currently turned on light source and turn on another one of the light sources in sequence. A related light source switching method is also provided.

Abstract: An electronic device having an automatic notification function for a personal emergency is provided. The electronic device includes a positioning unit, a storage unit, a sensor unit, a processing unit, and a communications unit. The positioning unit provides location information of the electronic device using longitude and latitude. The storage unit stores an emergency message, communication information, and the location information of the electronic device. The sensor unit senses whether an acceleration according to certain predetermined falling parameters is experienced by the electronic device. The processing unit acquires the location information of the electronic device and the emergency message from the storage unit, and edits the emergency message with the acquired location information to generate a notification when the falling parameters of the electronic device occur. The communications unit delivers the notification according the communication information.

Abstract: A cursor control method is applied in an electronic device that communicates with a number of pointing devices. The cursor control method includes: receiving a signal including an identification code; determining whether the received signal is a request signal; determining whether a duration of not receiving a cursor control signal from the pointing device which currently owns cursor control reaches a predetermined time interval after receiving the request signal; determining the pointing device which sends the request signal according to the identification code; transferring the cursor control to the determined pointing device if the duration reaches the predetermined time interval; and controlling movement of the displayed cursor according to a cursor control signal from the pointing device which currently owns the cursor control. A related cursor control system and a related electronic device are also provided.

Abstract: A light intensifying device with a polarization conversion function is provided. The light intensifying device includes a transparent mirror, a spectroscope, a reflective mirror, a light wave converter, and an optical fiber. The transparent mirror is aligned with a light source, and receives a light beam from the light source. The spectroscope receives the light beam transmitted from the transparent mirror, reflects a portion of the received light beam to form an S-polarized light beam and transmits the remained portion to form a P-polarized beam. The reflective mirror receives the S-polarized beam and reflects a S-polarized image to the lens module. The light wave converter receives the P-polarized beam, and converts the P-polarized beam to the S-polarized beam. The optical fiber is connected between the light wave converter and the transparent mirror, and transmits the converted S-polarized beam to the transparent mirror.

Abstract: A handwriting input device includes a housing and a nib selectively exposed from a bottom side of the housing or hidden in the housing. The device further includes a pressure sensor, a motion sensor, and a microcontroller. The pressure sensor generates pressure signals when the nib is depressed. The motion sensor senses movement of the device. The microcontroller records the sensed movement upon receiving the pressure signals, and processes the recorded movement to obtain track signals of handwritten information when the duration of not receiving the pressure signals exceeds a predetermined time interval. The track signals of handwritten information are then transmitted to an external electronic device communicating with the device to become handwriting shown on a display of the external electronic device.

Abstract: A filter includes: a container; at least one barrier, an input device and an output device. The at least one barrier divide the container into at least two resonant cavities. Each resonant cavity has a harmonic oscillators disposed therein. At least one of the harmonic oscillators comprises a supporter and a carbon nanotube structure disposed on a surface of the supporter.