Abstract: A control circuit with manual/remote control function is serially connected to a power supply for providing electric power and a load. The control circuit includes a three-way switch having a switching key, a signal indicator module, and a remote control module. The three-way switch and the remote control module are serially connected between the power supply and the load. When the three-way switch is pressed down or the remote control module receives a wireless signal sent from the signal indicator module, the three-way switch or the remote control module is switched to form a closed/open circuit between the power supply and the load, so as to control the state of the load by conveying/stopping supplying the electric power, thereby achieving the purpose of controlling the load via a distal remote control and a proximal manual control.

Abstract: A control circuit for detecting a loop state includes a signal indication module, a three-way switch, a remote control module, and a detection module. The three-way switch and the remote control module are connected in series between the load and a power source. When the three-way switch is pressed down or the remote control module receives a wireless signal sent from the signal indication module, the remote control module or the three-way switch is switched to form a closed/open circuit state between the power source and the load. The detection module connects the load and the remote control module, and detects an actuation state of the remote control module and the load when receiving the wireless signal, so as to generate determination information and state information, and display the information, such that a user can know whether the load loop runs normally.

Abstract: A network power splitter includes a circuit coupled to a local area network (LAN) for receiving power from the LAN. The circuit includes a limited current circuit for limiting the amount of current transmitted from the LAN to a portable electronic device and a detect and switch circuit for detecting compliance with the IEEE 802.3af power standard and activating or deactivating the network power splitter accordingly. The network power splitter also contains a power converter coupled to said circuit for transforming the power received from the circuit such that the transformed power conforms to electrical characteristics of the portable electronic device, the power converter comprising a voltage transformer for transforming a voltage of the power received from the circuit into a voltage usable by the portable electronic device, and one or more power output interfaces for outputting said converted power to one or more portable electronic devices.

Abstract: The present invention provides a power injector apparatus that can supply two power sources, one from the Ethernet and the other from AC power. The Internet device can select the AC power as a power source when the Internet device requires power exceeding the Hub or the Switch can supply. Moreover, the Internet device can select the Ethernet as the power source when the supplied power is sufficient.

Abstract: A WLAN (Wireless Local Area Network) device having a smart antenna system is disclosed for increasing the number of user under a limited bandwidth and a confined environment. The WLAN device having the smart antenna system comprises: a plurality of WLAN transceiver module; and a plurality of directional antennas or array antennas installed on the WLAN transceiver modules by the way of one-to-one, wherein each of the array antennas is composed of a plurality of omni-directional antenna, such as dipole antennas.

Abstract: The present invention provides a power injector apparatus that can supply two power sources, one from the Ethernet and the other from AC power. The Internet device can select the AC power as a power source when the Internet device requires power exceeding the Hub or the Switch can supply. Moreover, the Internet device can select the Ethernet as the power source when the supplied power is sufficient.

Abstract: A portable electronic device connected to a network for receiving electrical power from the network. The portable electronic device includes a circuit for detectingand receiving electrical power over the network, and a power converter electrically connected to the circuit for receiving the electrical power from the circuit, converting the received electrical power such that converted electrical power has power characteristics compatible with the portable electronic device.

Abstract: A patch antenna and the related applications are disclosed. The patch antenna includes a radiating metal plate; a metal supporting plate; and a metal fixed plate, wherein the radiating metal plate is round shape with a stripe-shape opening. When the patch antenna is operated at 5.25 GHz, good radiation pattern and antenna gain are provided to cover the bandwidth utilized in Industrial-Scientific-Medical (ISM) band. Moreover, the present invention uses the arrangement of antenna diversity to install two antennas on a base board at the same time, thereby obtaining better antenna performance.

Abstract: A patch antenna and the related applications are disclosed. The patch antenna includes a radiating metal plate; a metal supporting plate; and a metal fixed plate, wherein the radiating metal plate is round shape with a stripe-shape opening. When the patch antenna is operated at 5.25 GHz, good radiation pattern and antenna gain are provided to cover the bandwidth utilized in Industrial-Scientific-Medical (ISM) band. Moreover, the present invention uses the arrangement of antenna diversity to install two antennas on a base board at the same time, thereby obtaining better antenna performance.