Abstract: A packet sorting and reassembly circuit module, including a header parser, an information processing circuit, at least one state tracking and reassembly circuit, and an output arbiter, is provided. The header parser is configured to analyze multiple first packet segments to obtain header information corresponding to a first network packet, wherein the first network packet is transmitted based on a transmission control protocol (TCP) communication protocol. The information processing circuit is configured to transmit the first packet segments and sideband information corresponding to the first packet segments to a first state tracking and reassembly circuit among the at least one state tracking and reassembly circuit according to the header information. The first state tracking and reassembly circuit is configured to reassemble and sort the first packet segments according to the sideband information. The output arbiter is configured to output the first packet segments according to a sorting result.

Abstract: A packet sorting and reassembly circuit module, including a header parser, an information processing circuit, at least one state tracking and reassembly circuit, and an output arbiter, is provided. The header parser is configured to analyze multiple first packet segments to obtain header information corresponding to a first network packet, wherein the first network packet is transmitted based on a transmission control protocol (TCP) communication protocol. The information processing circuit is configured to transmit the first packet segments and sideband information corresponding to the first packet segments to a first state tracking and reassembly circuit among the at least one state tracking and reassembly circuit according to the header information. The first state tracking and reassembly circuit is configured to reassemble and sort the first packet segments according to the sideband information. The output arbiter is configured to output the first packet segments according to a sorting result.

Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.

Abstract: A device includes a memory array, bit line pairs, word lines, a modulation circuit and a control signal generator. The memory array has bit cells arranged in rows and columns. Each bit line pair is connected to a respective column of bit cells. Each word line is connected to a respective row of bit cells. The modulation circuit is coupled with at least one bit line pair. The control signal generator is coupled with the modulation circuit. The control signal generator includes a tracking wiring with a tracking length positively correlated with a depth distance of the word lines. The control signal generator is configured to produce a control signal, switching to a first voltage level for a first time duration in reference with the tracking length, for controlling the modulation circuit. A method of controlling aforesaid device is also disclosed.

Abstract: A charger device includes a switch, a voltage converter, a constant current circuit, and an automatic disconnecting circuit. The switch is connected to an alternating current (AC) power supply which triggers the charger device to work. The automatic disconnecting circuit is connected to the battery, the voltage converter and the constant current circuit automatically disconnect the voltage converter from the AC power supply when the battery is fully charged. The automatic disconnecting circuit comprises a first resistor, a voltage follower, a second resistor, a first zener diode, a variable resistor, a comparator, a third resistor, a first switch element, a diode and a relay. The relay comprises a coil and a normally-open switch connected between the AC power supply and voltage converter. The normally-open switch turns on or turns off to control a connection between the charger device and the AC power supply.

Abstract: A radio frequency (RF) testing apparatus, for testing device under test (DUT) comprising a receiving antenna, includes a pair of transmitting antennas transmitting wireless communication signals to the receiving antenna, a shielding box, a first filter and a second filter. The shielding box includes a transmitting box, a receiving box for receiving the DUT, a connecting box connecting between the transmitting box and the receiving box and a pair of transmitting antennas fixed on the transmitting box and suspending towards the connecting box. The connecting box includes a microwave absorption medium on the connecting box and communicates with the receiving box. The first filter is mounted on the connecting box and the transmitting box to electrically connect with the transmitting antenna. The second filter is mounted on the receiving box to electrically connect with the DUT.

Abstract: A charger device includes a switch, a voltage converter, a constant current circuit, and an automatic disconnecting circuit. The switch is connected to an alternating current (AC) power supply which triggers the charger device to work. The automatic disconnecting circuit is connected to the battery, the voltage converter and the constant current circuit automatically disconnect the voltage converter from the AC power supply when the battery is fully charged. The automatic disconnecting circuit comprises a first resistor, a voltage follower, a second resistor, a first zener diode, a variable resistor, a comparator, a third resistor, a first switch element, a diode and a relay. The relay comprises a coil and a normally-open switch connected between the AC power supply and voltage converter. The normally-open switch turns on or turns off to control a connection between the charger device and the AC power supply.

Abstract: A radio frequency (RF) testing apparatus, for testing device under test (DUT) comprising a receiving antenna, includes a pair of transmitting antennas transmitting wireless communication signals to the receiving antenna, a shielding box, a first filter and a second filter. The shielding box includes a transmitting box, a receiving box for receiving the DUT, a connecting box connecting between the transmitting box and the receiving box and a pair of transmitting antennas fixed on the transmitting box and suspending towards the connecting box. The connecting box includes a microwave absorption medium on the connecting box and communicates with the receiving box. The first filter is mounted on the connecting box and the transmitting box to electrically connect with the transmitting antenna. The second filter is mounted on the receiving box to electrically connect with the DUT.

Abstract: A broadband filter filtering noise over a first conductive wire, a second conductive wire, and a third conductive wire includes a differential-mode filtering circuit connected to both the first conductive wire and the second conductive wire and a common-mode filtering circuit connected to both the first conductive wire and the second conductive wire. The differential-mode filtering circuit includes two inductors and two capacitors for filtering differential-mode noise of different frequencies. The common-mode filtering circuit includes two inductors and six capacitors filtering common-mode noise of different frequencies.

Abstract: An exemplary heat dissipation device includes a heat sink, a fan holder, and a fan secured on a front side of the fan holder. The heat sink includes a base having two first fixing ears at its two lateral sides, and fins on the base. An engaging notch is defined in a top end of four of the fins. The fan holder includes a top panel, and two sidewalls extending downwardly from two lateral edges of the top panel. The top panel has a pair of inserting protrusions at a bottom surface thereof. The two sidewalls have two fixing flanges at lower ends thereof. The top panel is partially placed on the front portion of the top ends of the fins, and the inserting protrusions are inserted into the engaging notches of the fins. The two sidewalls abut against two lateral sides of the heat sink, and the two fixing flanges are disposed on the two first fixing ears.

Abstract: A heat dissipation device includes a heat sink, a fan holder, and a fan secured on a front side of the fan holder. The heat sink includes a base and fins on the base. An engaging groove is defined in top ends of the fins. The fan holder includes a top panel and two sidewalls extending downwardly from two lateral edges of the top panel. The top panel has an inserting protrusion at a bottom surface thereof. The two sidewalls have two latching legs at lower ends thereof. The top panel is partially placed on a front portion of the top ends of the fins, and the inserting protrusion is inserted into the engaging groove of the fins. The two sidewalls abut against two lateral sides of the heat sink, and the two latching legs fasten to two lateral sides of the base of the heat sink.

Abstract: A voice notification circuit includes a plurality of comparison circuits, a plurality of switch circuits, a plurality of resistors and a plurality of voice storage circuits. The comparison circuits compare power levels of wireless signals to a plurality of reference voltage ranges, and output a plurality of logic control signals. The switch circuits are connected to the comparison circuits respectively to switch on/off based on the logic control signals. The resistors turn the switch circuits on. The voice storage circuits store the audio sounds. When the power levels of the wireless signals fall in one of the reference voltage ranges, the corresponding switch circuit is off and an audio signal can be output.

Abstract: A locking device is used for securing a heat sink to an electronic device mounted on a first face of a printed circuit board which defines a first hole. The heat sink defines a second hole therein. The locking device has a fastener including a head portion located aside the heat sink, a foot portion located aside a second face of the printed circuit board, and a body portion extending through the holes of the heat sink and the printed circuit board and interconnecting the head portion and the foot portion. The foot portion includes a buckling part abutting against the second face of the printed circuit board, and a positioning part extending towards the head portion to a position above the buckling part. When the buckling part abuts against the printed circuit board, the positioning part has a portion thereof entering into the first hole.

Abstract: A heat dissipation device includes a heat sink, a fan and a fan holder attaching the fan to the heat sink. The heat sink includes a base and a plurality of fins. The fan includes a frame and four engaging flanges at a periphery thereof. The fan holder includes a supporting board supporting the fan thereon, a plurality of spaced retaining plates extending downwardly from a periphery edge of the supporting board and clasping the fins, two locking sheets extending upwardly from two diagonal corners of the supporting board and two locking poles extending upwardly from another two diagonal corners of the supporting board. The locking sheets abut against lateral sides of two engaging flanges of the fan. The locking poles are engagingly received in another two engaging flanges of the fan.

Abstract: A locking device is used for securing a heat sink to an electronic device mounted on a first face of a printed circuit board which defines a first hole. The heat sink defines a second hole therein. The locking device has a fastener including a head portion located aside the heat sink, a foot portion located aside a second face of the printed circuit board, and a body portion extending through the holes of the heat sink and the printed circuit board and interconnecting the head portion and the foot portion. The foot portion includes a buckling part abutting against the second face of the printed circuit board, and a positioning part extending toward the head portion to a position above the buckling part. When the buckling part abuts against the printed circuit board, the positioning part has a portion thereof entering into the first hole.

Abstract: A broadband filter filtering noise over a first conductive wire, a second conductive wire, and a third conductive wire includes a differential-mode filtering circuit connected to both the first conductive wire and the second conductive wire and a common-mode filtering circuit connected to both the first conductive wire and the second conductive wire. The differential-mode filtering circuit includes two inductors and two capacitors for filtering differential-mode noise of different frequencies. The common-mode filtering circuit includes two inductors and six capacitors filtering common-mode noise of different frequencies.

Abstract: A heat dissipation device includes a heat sink, a fan holder and a fan secured on a front side of the fan holder. The heat sink includes a base having two first fixing ears at its two lateral sides and a plurality of fins on the base. At least an engaging notch is defined in top ends of the fins. The fan holder includes a top panel and two sidewalls extending downwardly from two lateral edges of the top panel. The top panel has at least an inserting protrusion at a bottom surface thereof. The two sidewalls have two fixing flanges at lower ends thereof. The top panel is partially placed on front portion of the top ends of the fins and the inserting protrusion is inserted into the engaging notch of the fins, the two sidewalls abut against two lateral sides of the heat sink and the two fixing flanges are disposed on the two first fixing ears.

Abstract: A heat dissipation device includes a heat sink, a fan holder and a fan secured on a front side of the fan holder. The heat sink comprises a base and a plurality of fins on the base. An engaging groove is defined in top ends of the fins. The fan holder comprises a top panel and two sidewalls extending downwardly from two lateral edges of the top panel. The top panel has an inserting protrusion at a bottom surface thereof. The two sidewalls have two latching legs at lower ends thereof. The top panel is partially placed on front portion of the top ends of the fins and the inserting protrusion is inserted into the engaging groove of the fins, the two sidewalls abut against two lateral sides of the heat sink and the two latching legs fasten to two lateral sides of the base of the heat sink.