Acer Inc.

Truelight Corporation

Yung-Sen Lin

Shu-Yu Jiang

Neng-Wen Yeh

Tzu-Lung Chuang

Chieh-Chih Tsai

Chuan-Ming Tsai

Ruei-Chuan Chang

Chang-Ping Chang

Kun Yuan Hsiao

Chih-Hao Chang

Fu-Hsing Hou

Chi-Hsiang Liu

Chien-Po Hsu

Kuo-Jen Chen

A detecting method for determining either a first expansion bus interface or a second expansion bus interface of an expansion device of an electronic device is applied for implementing a signal communication with a control unit. The detecting method includes the following steps: turning on the first expansion bus interface; detecting whether the control unit transmits a feedback signal after the first expansion bus interface is turned on; if not, turning on the second expansion bus interface; detecting whether the control unit transmits the feedback signal after the second expansion bus interface is turned on; and if yes, implementing the signal communication between the expansion device and the control unit through the second expansion bus interface to complete a boot up procedure.

Electronic device and detecting method

A projector, an image output apparatus, and a control method thereof are provided. In the method, a search signal transmitted by a controller is received, and accordingly at least one user apparatus supporting a wireless protocol is searched from surroundings by using the wireless protocol and a wireless connection is established with each user apparatus. Then, a control signal transmitted by the controller is received, and accordingly one of the at least one user apparatus is selected. An image provided by the selected user apparatus is received through the wireless connection and projected.

Projector, image output apparatus, and control method thereof

The present invention provides an electronic device including an internet module. The internet module includes a microprocessor and a memory. The memory stores a predetermined regulatory domain and a predetermined communication channel corresponding to the predetermined regulatory domain. The microprocessor connects to a geolocation service provider through the internet, obtains location information from the geolocation service provider, obtains a detection regulatory domain according to the location information, and provides a detection communication channel corresponding to the detection regulatory domain.

Electronic device and wireless communication method utilizing geolocation service provider

A method of displaying images includes detecting frequency of ambient light, updating frequency of a display device according to the frequency of the ambient light, and adjusting shutter frequencies of a pair of shutter glasses according to the frequency of the ambient light when the display device is in a 3D display mode. In this way, flickers caused by inconsistency between the frequency of the ambient light and the frequencies of the display device and the shutters of the shutter glasses can be avoided.

Display system and method thereof

A positioning system includes at least one DUT (Device Under Test) and a mobile device. A wireless connection is established between the DUT and the mobile device. The mobile device is moved along a path which includes at least two different measurement positions. The mobile device measures a distance between the DUT and each of the measurement positions. Then, the mobile device obtains a target position, at which the DUT is located, according to the measurement positions and the distances.

System and method for positioning device under test

Techniques for using multiple sampling frequencies to detect the location of touch inputs of a user at a touch panel of a touch device. A determination is made as to which of and second sampling frequencies is provided to a receiver for use in sampling the touch inputs from the touch panel. The user touch inputs are first sampled from the touch panel during first and second successive time frames using first and second different sampling frequencies, respectively.

Methods and touch devices using multiple sampling frequencies

A touchpad device includes a capacitive touch pad and a near field communication antenna. The capacitive touch pad includes a plurality of input circuits and a plurality of output circuits. Each input circuit and each output circuit intersect and are arranged substantially perpendicular to each other, thereby forming a chessboard-like circuit. The near field communication antenna includes an antenna structure crosses at least part of the plurality of input circuits and at least part of the plurality of output circuits. The antenna structure is substantially not parallel to any one of the input circuits crossed by the antenna structure, and the near field communication antenna being substantially not parallel to any one of the output circuits crossed by the antenna structure.

Portable electronic apparatus and complex touch module thereof

A wireless communication device includes a Wi-Fi module for operating in WLAN system and a Bluetooth module for operating in Bluetooth system. After entering a power-saving mode, the wireless communication device is configured to turn off the Wi-Fi module and periodically scan an operational frequency band of a network using the Bluetooth module. When detecting a radio frequency signal having the same bandwidth as the network in the operational frequency band, the wireless communication device is configured to enter a normal mode.

Wireless communication method with low power consumption

A method for calibrating a listen duration and a listen interval and a control module thereof are provided. The method is suitable for being applied in a wireless device and monitoring beacons transmitted by a wireless access point (AP) within a wireless transmission range to calibrate the listen duration and the listen interval. The method includes: calculating an average beacon-receiving time and an RMS beacon-receiving time according to a beacon-receiving interval obtained within a first specific time frame when the listen duration and the listen interval are determined to be calibrated; setting the average beacon-receiving time and the RMS beacon-receiving time as an optimal listen interval and an optimal listen duration, respectively; monitoring beacons in X optimal listen durations according to the optimal listen interval and the optimal listen duration; if at least Y beacons are received, determining the calibration is successful, wherein X and Y are positive integers.

Method for calibrating listen duration and listen interval and control module thereof

A wireless transmission system includes a control unit, a first transmission unit, a second transmission unit, a plurality of switches, and a plurality of RF ends. The first transmission unit includes a first transceiver module and a first MAC module. The second transmission unit includes a second transceiver module and a second MAC module. The plurality of RF ends has a plurality of streams for transmitting a wireless signal. The control unit controls the plurality of switches to connect the first transmission unit and the second transmission unit respectively with the plurality of RF ends to distribute the plurality of streams, and controls the first transceiver module and the second transceiver module to manage the plurality of streams.

Wireless transmission system and a method thereof

The present invention discloses a power saving method of a portable Internet device, the portable Internet device and its instant messaging system. If a screen of the portable Internet device is in non-view state, for example, both backlight module and LCD panel are turned off, it means that a user is not viewing the screen, and thus the message update frequency of the instant messaging program is lowered to prevent unnecessary transmission and receiving of wireless signals, so as to reduce power comsumption of the portable Internet device.

Power saving method of portable internet device and portable internet device thereof, and instant messaging system using the same

A method to save time needed in battery replacement for a Notebook and a battery detector thereof is comprised of having placed the battery detector containing a voltage detection circuit and a register module in the Notebook. When the power level of the battery falls below a first threshold, a prompt menu including a battery replacement option is displayed. When battery replacement option is selected, the Notebook enters a sleep mode and a numeric value marking the need of an automatic power on for the Notebook is stored in the register module. If the voltage detected by the voltage detection circuit is greater than a second threshold, and a numeric value marking the need of an automatic power on for the Notebook is stored in the register module, the Notebook is driven to perform a power on procedure.

Notebook battery replacement time-saving method and battery detector thereof

An electronic apparatus with an antenna, an anti-jamming system and a method are disclosed. The electronic apparatus comprises a casing and the antenna. The antenna is composed of a patterned metal thin film and a carrier and provided for processing a wireless signal. The casing and the antenna are made by injection molding. When the electronic apparatus has a display device, the anti-jamming system can modulate a clock signal generated by the display device to prevent the multiplication of clock signal from interfering with signals within an operating band of the antenna.

Electronic apparatus with an antenna

A wireless communication system of a notebook computer includes a first antenna, an antenna array module and a wireless local area network (WLAN) module. The antenna array module includes a plurality of second antennas and a plurality of connectors electrically connected to the second antennas via corresponding signal transmission lines, wherein the distance between two adjacent second antennas is identical, and the length of each signal transmission line is equal. The wireless local area network (WLAN) module has a switch unit electrically connected to the first antenna and the antenna array module to select one of the first antenna and the antenna array module to receive/transmit a signal according to an operational mode of the WLAN module.

Wireless communication system of notebook computer having antenna array module

A common assembly structure of laser diode and PIN detector comprises a subassembly structure formed by connecting a laser diode to a submount made of low-capacitance material, and the sub-assembly structure is then implemented on a PIN detector. The so-called laser diode comprises a vertical cavity surface emitting laser (VCSEL) and an edge-emitting laser (EEL), wherein the EEL further comprises, for example, a Fabry-Perot Laser (F-P Laser) and a Distributed Feedback Bragg Laser. The common assembly structure of laser diode and PIN detector completely separates the anode and cathode of the semiconductor laser from the anode and cathode of the PIN detector thereby effectively reducing the parasitic capacitance effect derived from the PIN detector itself and the assembly structure, and is suitable for use in the high-speed laser driving circuits.

Growing community of inventors

Taipei, Taiwan

Yung-Sen Lin