Abstract: An edge emitting laser (EEL) device includes a substrate, an n-type buffer layer, a first n-type cladding layer, a grating layer, a spacer layer, a lower confinement unit, an active layer, an upper confinement unit, a p-type cladding layer, a tunnel junction layer and a second n-type cladding layer sequentially arranged from bottom to top. The tunnel junction layer can stop an etching process from continuing to form the second n-type cladding layer into a predetermined ridge structure and converting a part of the p-type cladding layer into the n-type cladding layer to reduce series resistance of the EEL device. Therefore, the optical field and active layer tend to be coupled at the middle of the active layer, the lower half of the active layer can be utilized effectively, and the optical field is near to the grating layer to achieve better optical field/grating coupling efficiency and lower threshold current.

Abstract: A vertical cavity surface emitting laser (VCSEL) device includes a substrate, a first mirror layer, a tunnel junction layer, a second mirror layer, an active layer, an oxide layer and a third mirror layer sequentially stacked with one another. The first mirror layer and the third mirror layer are N-type distributed Bragg reflectors (N-DBR), and the second mirror layer is P-type distributed Bragg reflector (P-DBR). The tunnel junction layer is provided for the VCSEL device to convert a part of the P-DBR into N-DBR to reduce the series resistance of the VCSEL device, and the tunnel junction layer is not used as current-limiting apertures. This disclosure further discloses a VCSEL device manufacturing method with the in-situ and one-time epitaxy features to avoid the risk of process variation caused by moving the device into and out from an epitaxial cavity.

Abstract: A wireless light indication and control device connected with a helmet is provided. The wireless light indication and control device includes a direction detector, a wireless transmitter, and at least one light element, wherein the direction detector senses a movement of the helmet to generate a turning signal, the wireless transmitter receives the turning signal and cooperates with a frequency hopping unit and a matching unit to generate a wireless signal, and the light element includes a wireless receiver for receiving the wireless signal. As the user wears the helmet of the present invention, the light can generate warning effect based on the movement of the helmet, so as to provide the user a more comprehensive traffic safety.

Abstract: An apparatus for providing power and network signal from a powerline network includes: a power component to connect the powerline network; a power unit electrically connected to the power component; a PoE module electrically connected to the power unit and a connecting port, so as to provide the power from the power unit for network power; and a network communication module electrically connected to the power component, the power unit and the PoE module, to access a network signal from the power component and integrate the PoE module, which providing power to the connecting port.

Abstract: A wireless transceiving apparatus for audio signals comprises a bluetooth transceiver for transmitting and receiving digital signals, a bluetooth base-band unit electrically connected to the bluetooth transceiver, a processing unit electrically connected to the bluetooth base-band unit, and a codec unit electrically connected to the processing unit. The processing unit includes a first processing module for cell phone signals and a second processing module for stereo signals, and the processing priority of the first processing module is higher than the processing priority of the second processing module. The codec unit comprises an input port capable of being connected to a sound-to-voltage transducer such as a microphone, and an output port capable of being connected to a sound output device such as a headphone. The bluetooth transceiver can be coupled to an electrical device via a bluetooth transmitter.

Abstract: A wireless audio transmitter is capable of converting audio signals into wireless Bluetooth signals. The transmitter comprises an ADC converting input analog audio signals into digital signals. A CPU outputs original data complying with Bluetooth communication protocols. The original data are sequentially processed by a Bluetooth base band processor and a Bluetooth RF processor, and are converted into RF signals. Finally, the RF signals are transmitted in a wireless microwave manner by an antenna.

Abstract: A cradle for a wireless monitor includes a body, a monitor connection port, a wireless communications module, a computer signal input port, a TV tuner, and a TV signal input port. A switch including a control circuit and a user actuated mechanical mechanism is electrically connected between the monitor connection port and the wireless communications module, and the computer signal input and the TV tuner. The control circuit detects states of the computer signal input port, the TV tuner, the monitor connection port, and the wireless communications module and controls the switch accordingly to establish connections.

Abstract: The present invention includes a housing for carrying the components or circuits. The housing include a first part that is located in the slot when the present invention is inserted into the computer. The second part of the housing extends outside the slot of the computer. A wireless transmission module is set in the second part for transmitting the signal. A SIM is set also in the second part of the housing. A hot swapping protector is located in the first part of the housing and electrically coupled to the SIM for protection. A card reader is connected to the hot swapping protector and a power control module is connected to the card reader, the hot swapping protector for providing the power.

Abstract: A power apparatus having a built-in powerline networking adapter is revealed. This invented power adapter includes one electrical plug and one body. The electrical plug is purposed to connect a called powerline networking, for instance, the home powerline. The body includes at least one electrical outlet and one networking adapter. The at least electrical outlet is purposed to connect this electrical plug for power supply. This networking adapter connects this electrical plug to transport the signal and data packets along the powerline. The above power apparatus having a built-in powerline networking adapter is capable of utilizing one cable to connect the electrical plug and the body in order to undergo electrical conductivity and possess the function of power line lengthening and networking physical extension.

Abstract: A web pad module has a portable web pad and a pedestal. The portable web pad has a housing including a front side and a rear side, a processing circuit installed inside the housing, a display panel installed on the front side of the housing, and a first coupling device installed on the rear side of the housing that has a first connector electrically connected to the processing circuit. The pedestal has a second coupling device detachably coupling with the first coupling device. The second coupling device includes a second connector corresponding to the first connector. When the first coupling device is coupled with the second coupling device, the first connector is connected to the second connector so as to transmit signals between the portable web pad and a peripheral device through the pedestal.

Abstract: A power apparatus having a built-in powerline networking adapter is revealed. This invented power adapter includes one electrical plug and one body. The electrical plug is purposed to connect a called powerline networking, for instance, the home powerline. The body includes at least one electrical outlet and one networking adapter. The at least electrical outlet is purposed to connect this electrical plug for power supply. This networking adapter connects this electrical plug to transport the signal and data packets along the powerline. The above power apparatus having a built-in powerline networking adapter is capable of utilizing one cable to connect the electrical plug and the body in order to undergo electrical conductivity and possess the function of power line lengthening and networking physical extension.

Abstract: The present invention reveals a structure of circuit boards for a wireless communication apparatus to increase product yield and throughput. The structure of circuit boards includes an RF module and a second circuit board, the RF module including a first circuit board and at least one RF device equipped on the first circuit board, the area of the second circuit board being no smaller than that of the first circuit board, and the first circuit board being disposed on the surface of the second circuit board.

Abstract: A dual-purpose connector assembly includes a stand, a first electrical connector, an electrical cable and a second electrical connector. The stand has a base adapted to be placed on a table surface, and a prop formed with a first cable passage that extends along a vertical axis. The base has a surrounding wall, and is formed with a second cable passage that extends from the first cable passage to the surrounding wall. The first electrical connector is mounted on the prop and is adapted to connect electrically with the peripheral device. The electrical cable has a first end connected to the first electrical connector, and a second end opposite to the first end, and extends through the first and second cable passages. The second electrical connector is connected to the electrical cable and is adapted to connect electrically with an electronic device.

Abstract: An integral USB MODEM/USB LAN card peripheral comprises a first connector connected to a computer; a second connector connected to a telephone line; a third connector connected to LAN; a USB controller used to collect and dispatch internet data; wherein the USB controller has a micro-controller connected to a first memory, and a USB SIE (serial bus interface engine) connected between the first connector and the micro-controller. The micro-controller is connected to a MODEM module and an ether network media access controller through an internal bus, wherein the MODEM module is connected to the second connector for accessing Internet; and the ether network media access controller connected to the third connector through a physical layer for accessing LAN. Therefore, the present invention enables a computer to access LAN and Internet simultaneously; and the remote users to share compute resource with other users.

Abstract: A stack-type expansible electronic device includes a primary circuit board unit and at least one auxiliary circuit board unit. The primary circuit board unit includes a primary substrate having first and second major surfaces, which are respectively formed with substrate terminals and board terminals that extend transversely therefrom. One of the first and second major surfaces is further formed with a signal distribution circuit that is connected electrically to the substrate and board terminals. The auxiliary circuit board unit includes an auxiliary substrate having third and fourth major surfaces, and a set of conductive vias that extend from the third major surface through the fourth major surface and that permit the substrate terminals to extend respectively therethrough such that the auxiliary substrate is spaced apart from the primary substrate and such that the conductive vias are connected electrically to the signal distribution circuit via the substrate terminals.

Abstract: A PC card having automated Drag and Sleep function is equipped with Drag and Sleep control circuit to connect to the controller of the PC card, a connector unit and the other devices. As the connection of the connector unit to the external system (the external networks or devices) is cut off, the Drag and Sleep control circuit generates and transmits interrupt-signal to the controller to enable the PC card to get into sleep state; when the disconnected connector unit is once again connected to the external system (such as the external networks or devices), the Drag and Sleep control circuit generates and transmits interrupt-signal to the controller to enable the PC card to resume normal state, thus the PC card can effectively save energy because it can greatly lower the electric current consumption under the sleep state.