Abstract: A digital watermarking system and method is provided. The digital watermarking system mainly includes a storing unit, a text obtaining module, a pixel determining module, an encrypting module, and a storing module. The storing unit is for storing text information, the text information including one or more dot matrix files. The text obtaining module is for obtaining one dot matrix file to be watermarked from the storing unit. The dot matrix file includes plural dot matrixes, each of which includes plural pixels, each pixel possessing a display property. The pixel determining module is for earmarking the pixel to be adjusted to obtain a watermark. The encrypting module is for adjusting the display property the earmarked pixel. The storing module is for storing watermarked text information in the storing unit. Related methods are provided.

Abstract: The present invention provides a charging mode control circuit and method. By utilizing such charging mode control circuit and method, a secondary battery fixed in a portable device can be quickly charged when the portable device communicate with an external computer. The method includes the steps of: a) providing a commutator, the commutator comprising an adapter, a first interface, and a second interface, wherein the first interface is connected to the external computer and the second interface is connected to the portable device; b) filtering a charging voltage from the adapter and obtaining a ripple voltage from the charging power supply; c) rectifying the ripple voltage; d) comparing the rectified ripple voltage with a reference voltage, thereby producing a voltage waveform according to a comparison result; and e) selecting a fast charging mode on the secondary battery according to the voltage waveform.

Abstract: The present invention relates to a method for generating a play-list of media files, each of the media files includes a tag for holding relative information about the media files. The method includes the steps of: setting a play count field in the tag for storing a play count of the media file; setting a weight table for storing different play counts and corresponding weight values; updating the play count in the play count field of each media file during the course of the media files being played; obtaining the corresponding weight values of each media file from the weight table according to the play count thereof; and generating the play-list of the media files according to the weight values thereof. The present invention also provides a system for generating the play-list. The present invention makes the play-list more suitable for the user's favors.

Abstract: A digital watermarking system and method is provided. The digital watermarking system mainly includes a storing unit (30), a text obtaining module (31), a dot matrix determining module (32), an encrypting module (33), and a storing module (34). The storing unit is for storing text information, the text information including one or more dot matrix files. The text obtaining module is for obtaining one dot matrix file to be watermarked from the storing unit. The dot matrix file includes plural dot matrixes, each of which has a matrix margin and includes plural pixels. The dot matrix determining module is for earmarking the dot matrix to be adjusted to obtain a watermark. The encrypting module is for adjusting the matrix margin of the earmarked dot matrix. The storing module is for storing watermarked text information in the storing unit. Related methods are provided.

Abstract: An electronic book reading apparatus mainly includes a user interface, an operation controlling unit, and a display unit. The user interface allows a user to flip an appropriate number of pages of a displayed electronic book. The user interface includes a plurality of sensing units for generating sensing signals in response to the user's flipping operations. The operation controlling unit is used for determining a direction of the flipping operations and generating a direction signal according to the sensing signals. The display unit receives the direction signal, flips the appropriate number of pages of the electronic book in a corresponding direction according to the received direction signal, and displays the resulting page of the electronic book.

Abstract: A power saving apparatus (20) is interposed between a power supply unit (10) and an electronic device (30). The power saving apparatus includes a switching component (210), a controlling circuit (230) controllable by the electronic device, and a switching circuit (220) controllable by the controlling circuit and the switching component. The controlling circuit receives an “idle” signal from the electronic device and controls the switching circuit to cut off the power supply to the electronic device according to the “idle” signal. The switching component produces an “awakening” signal to control the switching circuit to resume the power supply to the electronic device. A related power saving method is also introduced.

Abstract: A remote control method with a wireless earphone function, the method providing a host for playing video signals and audio signals and a remote control, the host including an audio playing unit, the method includes the steps of: receiving a connectivity signal from an audio signal outlet thereof, and determining whether the connectivity signal indicates that an earphone is connected with the audio signal outlet; transmitting an instruction for switching on a switch of the host to the host if the signal indicates that an earphone is connected with the audio signal outlet; switching on the switch according to the instruction; transmitting audio signals to the remote control; receiving the audio signals; and outputting the audio signals to the earphone via the audio signal outlet. A related system is also provided.

Abstract: A remote control method with a wireless earphone function, the method providing a host for playing video signals and audio signals and a remote control, the host including an audio playing unit, the method includes the steps of: receiving a connectivity signal from an audio signal outlet thereof, and determining whether the connectivity signal indicates that an earphone is connected with an audio signal outlet; transmitting a first volume adjusting instruction to the host if the signal indicates that an earphone is connected with an audio signal outlet; adjusting a volume of the audio playing unit according to the first volume adjusting instruction; transmitting audio signals to the remote control; receiving the audio signals; and outputting the audio signals to the earphone via the audio signal outlet. A related system is also provided.

Abstract: An interface switching apparatus (40) switches to receive input from a plurality of electronic devices. In an exemplary embodiment, the apparatus includes a receiving unit (44) equipped with a plurality of input ports (441), each for connecting with an electronic device; a detecting unit (45) for detecting new input from any of the input ports; a switching unit (47) for switching the interface switching apparatus so that the interface switching apparatus halts receiving current input from one of the input ports and receives new input from another input port detected to have the new input; a signal converting unit (48) for converting the new input into an information signal having a format that can be received by a display device (30), and an output port (491) for transmitting the information signal to the display device. Related methods are also provided.

Abstract: An indicating apparatus transmits beams from an indicating lamp and includes a panel. The panel has an open area defined thereon. The open area includes a C-shaped slot and an upright slot. The C-shaped slot generally surrounds an opaque area, and the upright slot is defined in the opaque area. A center of the opaque area is generally aligned with the indicating lamp, and the opaque area has a protrusion pointing toward the indicating lamp. The preferred shape of the protrusion is either a conical or pyramidal, and reflects the beams from the indicating lamp to the open area. One exemplary application of the indicating apparatus is to indicate a “power on” status of an electronic device.

Abstract: A signal conveying apparatus (20) connects with a power supply unit (10) and a display device (30). The signal conveying apparatus includes a plurality of input interfaces (221), a signal converting unit (24), and an output interface (261). The input interfaces receive signals from external electronic devices. The signal converting unit integrates and converts the signals received by the input interfaces to a format that can be received by the display device. The output interface receives the converted signals from the signal converting unit and outputs the converted signals to the display device.

Abstract: A signal conversion apparatus, connected to one or more electronic apparatuses and a display device, mainly includes one or more input interfaces, a signal conversion unit, and an output interface. Each input interface is for connecting to an electronic apparatus and receiving signals therefrom. The input interfaces include analog interfaces and digital interfaces. The signal conversion unit is for receiving the signals in multiple formats from the input interfaces, and converting the signals, when necessary, into a predetermined format, which is supported by the display device. The predetermined format includes RF format, RCA format, S-Video format, YPbPr/YCbCr format, VGA format, MPEG format, DVI format, HDMI format, and so on. The output interface is for transmitting the signals from the signal conversion unit to the display device through a cable. The display device receives the signals from the output interface and displays corresponding information thereof.

Abstract: A lead holding apparatus is provided. The lead holding apparatus includes a cavity (70) to hold one or more leads, a groove (40) on a side of the cavity to prevent the leads from loosening and to hold the leads in an ordered manner, and a baffle board (50) above the cavity to hold the leads in the cavity. The lead holding apparatus can be mounted on an electronic device or integrally formed in the device.

Abstract: A preferred embodiment of the touch sensing apparatus includes one or more touch sensing units, a detector, and a signal processing unit. Each touch sensing unit comprises: a differential signal source for generating two signals which have a same frequency but reverse phases; and two sensors for receiving a touch signal of a user's finger. One sensor is connected to an anode of the differential signal source, and the other sensor is connected to a cathode of the differential signal source. The detector is for converting the received signal into a digital signal. An input terminal of the detector is connected to the sensors of each touch sensing unit. The signal processing unit is for determining which sensor is touched according to the frequency and phase of the signal output from the detector. The signal processing unit is connected to an output terminal of the detector. The touch sensing unit may further include a reference signal circuit.

Abstract: A preferred embodiment of a touch sensing apparatus includes a plurality of sensing units (10), and a plurality of grounding lines (205). Each sensing unit includes an antenna (201), a controlling circuit, a detector (203), and a feedback line (204). The antenna is for receiving a noise of a user's finger. The controlling circuit preferably includes a diode (2021) and a capacitor (2022). The diode is for filtering out a static electrical signal of the user's finger and attenuating the noise, and the capacitor(2022) is for attenuating the noise from the diode. The detector is for converting the noise into a digital signal, and transmitting the digital signal to an MCU (Microprogrammed Control Unit) (206). The feedback line forms a positive feedback circuit with the antenna, thereby improving the accuracy of sensitivity of the sensing unit. The grounding lines are for insulating the sensing units.

Abstract: A keypad identification circuit connects with a keypad circuit (30) and includes a chip (20), which has been configured with a controller (201) and a memory (202), and an identification code generator (10). The identification code generator generates an identification code for the keypad circuit to the controller. The controller recognizes the identification code by use of an identification code table (2011) contained therein, and searches a corresponding exclusive driver (2022) together with a common driver (2021) from the memory to drive the installed keypad circuit. A related method and apparatus are also provided.

Abstract: An apparatus for prolonging lamp lifetime by reducing luminance of a least one lamp (5) in phases includes an image signal outputting unit (1), a scaler (2), and a Microprogrammed Control Unit (MCU) (4). The MCU further includes a CPU (41), a timer (42), and a memory (43). The image signal outputting unit outputs image signals to the scaler. The MCU detects in real-time statuses of the image signals being input to the scaler. The timer records each elapsed time “Tn” during which no image signal is input to the scaler. The CPU compares the elapsed time “Tn” with preset times stored in the memory, and sends a control signal to the scaler according to the comparison result. The scaler generates PWM waves with a corresponding duty cycle according to the control signal, in order to control the luminance of the lamp. A related method for prolonging lamp lifetime is also provided.

Abstract: A display device with a jack is disclosed. The display device (1) includes a display screen (10), a display bezel (40), a jack (20), a guide groove (21), and a guide wall (22). The guide groove and the guide wall are for guiding a user to insert a plug into the jack without mistake. The guide groove is position on one side of the jack, whereas, the guide wall is on an opposite side of the jack from the guide groove. The guide groove and the guide wall cooperate together to prevent deflection when a plug is inserted into the jack.

Abstract: A display method includes the steps of: providing a computer and at least one display terminal; extracting real-time playing pictures and corresponding sounds in the computer; compressing and encrypting the pictures and the sounds; transmitting the compressed pictures and sounds to the display terminal via a network; detecting whether network signals including picture signals and sound signals are being transmitted to a network port of the display terminal; receiving the network signals if there are picture signals and sound signals being transmitted to the network port; determining whether an identification (ID) of the pictures and sounds matches an ID of the display terminal; decompressing the received pictures and sounds if the identification (ID) of the pictures and sounds matches the ID of the display terminal; and playing the pictures and accompanying sounds. A related system is also disclosed.

Abstract: A discharge lamp lighting circuit includes an open protection circuit. The discharge lamp lighting circuit includes an open protection circuit and an over-voltage detecting circuit. The open protection circuit detects whether any of the discharge lamps are unlit, and sends a voltage control signal to a control circuit if one of the discharge lamps is not lit, whereby the control circuit sends a pulse signal to a buck converter according to the voltage control signal, and the buck converter generates and outputs a DC voltage according to the pulse signal. If the DC voltage from the buck converter reaches a predetermined voltage, the over-voltage detecting circuit conducts and sends a voltage control signal to the control circuit, and the control circuit ceases operating according to the voltage control signal. Consequently, damage to the other normal discharge lamps is prevented.