Abstract: The data serialization circuit includes a delay circuit, a data serializer, a first data sampler and a second data sampler. The delay circuit receives an input clock signal and generates a plurality of delayed clock signals. The delayed clock signals includes a first delayed clock signal generated by a first delay stage and a second delayed clock signal generated by a second delay stage. The data serializer receives parallel data and a final stage delayed clock signal of the delayed clock signals, and converts the parallel data into serial data according to the final stage delayed clock signal. Wherein, the first data sampler samples the serial data according to the first delayed clock signal to generate a first output serial data, and the second data sampler samples the first output serial data according to the second delayed clock signal to generate a second output serial data.

Abstract: A wireless transceiver includes at least one antenna, a substrate, and a mechanical part on which the at least one antenna is disposed, wherein a relative position between the at least one antenna and the substrate is changed when an external force is applied to the mechanical part.

Abstract: The present invention provides an electronic device including a coupler, a noise-estimation apparatus and an assembly unit. The coupler receives a baseband signal. The noise-estimation apparatus receives the baseband signal and subtracts a predetermined synchronization preamble from the baseband signal to obtain a noise-estimation signal, and the predetermined synchronization preamble is a transmission signal that conforms to the standards of 802.11bg and/or IEEE 802.11n. The assembly unit receives the baseband signal and subtracts a noise-estimation signal from the baseband signal to obtain an output signal.

Abstract: A wireless sensing device including a vibration plate, an antenna, a sensor, an energy harvesting circuit and a data processing circuit is provided. The antenna and the sensor are disposed on the vibration plate. The sensor generates a sensing data according to the vibration of the vibration plate. The energy harvesting circuit generates an electrical energy in response to the vibration of the vibration plate. The data processing circuit is coupled to the sensor and the antenna, and the data processing circuit is operated by the electrical energy to store the sensing data, or to transmit the sensing data through the antenna.

Abstract: A network managing method is utilized for a wireless network system. The wireless network includes multiple wireless access equipments and multiple user equipments. The method uses the wireless access equipments to measure a plurality of echo back time of the user equipments to obtain multiple measurement results, determines locations of the user equipments according to the measurement results and locations of the wireless access equipments, and adjusts wireless operations from the wireless access equipments to the user equipments according to the locations and priorities of the user equipments.

Abstract: A wireless transceiver includes at least one antenna, a substrate, and a mechanical part on which the at least one antenna is disposed, wherein a relative position between the at least one antenna and the substrate is changed when an external force is applied to the mechanical part.

Abstract: An antenna distribution controller including a plurality of antenna connectors, at least one device connector, an antenna switching circuit and a controller is provided. The antenna connector is configured to connect an external antenna. The device connector is configured to connect an external wireless communication device. The antenna switching circuit has a plurality of antenna ports and at least one device port. These antenna ports are coupled to one of the antenna connectors, respectively. The device port is coupled to the device connector. The controller is coupled to a control terminal of the antenna switching circuit for controlling an electrical connection relationship between the antenna ports and the device port.

Abstract: A network managing method for a wireless network system including a plurality of wireless access equipments and at least one user equipment includes the plurality of wireless access equipments measuring a plurality of echo back time of the at least one user equipment to obtain a plurality of measurement results, determining locations of the at least one user equipment according to the plurality of measurement results and locations of the plurality of wireless access equipments, and adjusting wireless operations from the plurality of wireless access equipments to the at least one user equipment according to the locations and priorities of the at least one user equipment.

Abstract: The present invention provides an electronic device including a coupler, a noise-estimation apparatus and an assembly unit. The coupler receives a baseband signal. The noise-estimation apparatus receives the baseband signal and subtracts a predetermined synchronization preamble from the baseband signal to obtain a noise-estimation signal, and the predetermined synchronization preamble is a transmission signal that conforms to the standards of 802.11bg and/or IEEE 802.11n. The assembly unit receives the baseband signal and subtracts a noise-estimation signal from the baseband signal to obtain an output signal.

Abstract: A digital signage system, includes: a gateway device, coupled to a network; at least one first hot spot, including: an adaptor box, coupled to the gateway device, downloading a content transmitted through the network via the gateway device; a first access point device, coupled to the gateway device, downloading a service on the network via the gateway device; and a display device, coupled to the adaptor box, displaying the content through the adaptor box, and at least one second hot spot, including: a second access point device, coupled to the gateway device, downloading the service via the gateway device, wherein the first access point device and the second access point device provide the service to at least one mobile terminal through wireless communication.

Abstract: A digital signage system, includes: a gateway device, coupled to a network; at least one first hot spot, including: an adaptor box, coupled to the gateway device, downloading a content transmitted through the network via the gateway device; a first access point device, coupled to the gateway device, downloading a service on the network via the gateway device; and a display device, coupled to the adaptor box, displaying the content through the adaptor box, and at least one second hot spot, including: a second access point device, coupled to the gateway device, downloading the service via the gateway device, wherein the first access point device and the second access point device provide the service to at least one mobile terminal through wireless communication.

Abstract: A differential amplifier includes a pair of input transistors, a pair of load transistors, a pair of impedance devices, a pair of auxiliary input transistors, and a pair of shield transistors is provided. The input transistors provide two input terminals. The load transistors provide two output terminals and two first terminals connected to first voltage. The impedance devices are coupled between the output terminals in series. The auxiliary input transistors have two control terminals respectively connected to the input terminals, two first terminals, and two second terminals. The input transistors and the auxiliary input transistors have reverse conductive type. The shield transistors has a pair of control terminals, a pair of first terminals respectively connected to the second terminals of the auxiliary input transistors and coupled to a second voltage through a pair of current sources, and a pair of second terminals respectively connected to the output terminals.

Abstract: The present invention is related to a preparation method of the compounds for absorbing heavy metals. First of all, prepare natural vegetable or fruit and extract a B-M sulfur peptide from the said natural vegetable or fruit. Second, place the natural vegetable or fruit into fermentation and extract the mixed nutrient extraction. And then mix the B-M sulfur peptide and the mixed nutrient extraction as the final extraction. Mix the final extraction into drinks. The final extraction will slowly release B-M sulfur peptide when entering the body; through its combination of heavy metals and re-absorption by the body, useful materials are retained in the human body while long-term accumulated toxic metals are discharged to repair the body's metabolism.

Abstract: A spread-spectrum circuit including an inverter, a current source, a control unit and a shaping circuit is provided. An input terminal of the inverter receives an original clock signal. The current source is coupled to a current transmission terminal of the inverter. The control unit includes a control circuit, and changes the current magnitude of the current source according to the original clock signal to control the charging/discharging speed of an output terminal of the inverter, so that the output terminal outputs a voltage signal. The shaping circuit shapes the voltage signal into a spread-spectrum clock signal.

Abstract: A differential amplifier includes a pair of input transistors, a pair of load transistors, a pair of impedance devices, a pair of auxiliary input transistors, and a pair of shield transistors is provided. The input transistors provide two input terminals. The load transistors provide two output terminals and two first terminals connected to first voltage. The impedance devices are coupled between the output terminals in series. The auxiliary input transistors have two control terminals respectively connected to the input terminals, two first terminals, and two second terminals. The input transistors and the auxiliary input transistors have reverse conductive type. The shield transistors has a pair of control terminals, a pair of first terminals respectively connected to the second terminals of the auxiliary input transistors and coupled to a second voltage through a pair of current sources, and a pair of second terminals respectively connected to the output terminals.

Abstract: A linear regulator and a current sensing circuit are provided. The linear regulator comprises a pass transistor, a compensation capacitor, a variable resistor, an error amplifier and a current sensing circuit comprising a sense transistor controlled by the error amplifier and a voltage follower coupled with the second terminal of the pass transistor and the second terminal of the sense transistor. The sense transistor receives an input voltage, and generates a sense current proportional to a pass current. The voltage follower controls the voltage at the second terminal of the sense transistor to be the same as that at the second terminal of the pass transistor, and adjusts the resistance of the variable resistor according to the voltages at the second terminal of the pass transistor, the voltage at the second terminal of the sense transistor, and the sense current flowing through the sense transistor.

Abstract: A spread-spectrum circuit including an inverter, a current source, a control unit and a shaping circuit is provided. An input terminal of the inverter receives an original clock signal. The current source is coupled to a current transmission terminal of the inverter. The control unit includes a control circuit, and changes the current magnitude of the current source according to the original clock signal to control the charging/discharging speed of an output terminal of the inverter, so that the output terminal outputs a voltage signal. The shaping circuit shapes the voltage signal into a spread-spectrum clock signal.

Abstract: A rail-to-rail operational amplifier capable of reducing current consumption includes an amplification stage circuit including a first compensation output terminal and a second compensation output terminal, for generating an amplified signal according to an input signal, an output stage circuit coupled to the amplification stage circuit, for outputting the amplified signal, and a compensation circuit coupled to the amplification stage circuit and the output stage circuit. The compensation circuit includes a first voltage generator for generating a first voltage, a second voltage generator for generating a second voltage, a first compensation capacitor, a second compensation capacitor, and four switches named from a first switch to a fourth switch, wherein the first voltage is approximately a steady state voltage of the first compensation output terminal and the second voltage is approximately a steady state voltage of the second compensation output terminal.

Abstract: A biasing circuit includes a reference current source, a first transistor, a second transistor, and a voltage buffer. The first transistor includes a first connection end coupled to the reference current source, a control end, and a second connection end coupled to a system grounding end. The second transistor includes a control end coupled to the control end of the first transistor, a first connection end coupled to a system power supply end, and a second connection end coupled to the system grounding end. The voltage buffer includes an input end coupled to an output end of the reference current source and the first connection end of the first transistor, and an output end coupled to the control ends of the first transistor and the second transistor. The first transistor and the second transistor constitute a current mirror.

Abstract: A sponge mop is composed of a handle, a lever, a rotary sleeve, a socket, a mophead seat, a sponge body, and two link rods. The lever and the mophead seat are connected by the two link rods. The lever is fastened pivotally with the handle which is in turn engaged at one end thereof with the rotary sleeve. The rotary sleeve is engaged at another end thereof with the socket which is in turn engaged at another end thereof with the mophead seat. As the rotary sleeve is rotated, the link rods are actuated by the handle to enable the mophead seat to swivel.