Abstract: A digital circuit system includes: a register, for receiving and registering digital data; an operation unit, for operating and generating resulting data according to the digital data registered in the first registering unit; a second register, for receiving and registering the resulting data; a multi-phase clock signal generating unit, for generating a plurality of reference clock signals having different phases with each other; a first selector, for selecting one of the reference clock signals to output a first clock signal to the first registering unit; and a second selector, for selecting another of the reference clock signals to output a second clock signal to the second registering unit.

Abstract: A transformer includes a bobbin, a primary winding coil, a secondary winding coil, a cover member and a magnetic core assembly. The bobbin includes a main body and a channel running through the main body. The main body includes a first winding section, a second winding section and a first coupling part. The primary winding coil is wound around the first winding section of the main body of the bobbin. The secondary winding coil is wound around the second winding section of the main body of the bobbin. The cover member is placed over the bobbin for partially sheltering the bobbin. The cover member has a second coupling part corresponding to the first coupling part. The magnetic core assembly is partially accommodated within the channel of the bobbin.

Abstract: A method of manufacturing a transformer is disclosed. A first bobbin piece, having a first channel and a primary winding section is provided. A second bobbin comprising first and second secondary side plates, plural partition plates, a wall portion, a secondary base having a first pin arranged on a bottom surface of the secondary base, plural secondary winding sections, and a second channel is provided. A second pin is inserted into the second bobbin piece to form a wire-arranging part protruded from the second secondary side plate and an insertion part protruded from the bottom surface of the secondary base. A primary winding coil is wound on the primary winding section, and the first and second terminals of a secondary winding coil are respectively fixed on the first pin and the wire-arranging part. A magnetic core assembly is partially disposed within the first channel and the second channel.

Abstract: A memory controller includes an output buffer for receiving a clock signal and outputting the clock signal to an external memory; and a replica buffer for receiving the clock signal and outputting the clock signal to a counting circuit; wherein the replica buffer and the output buffer have the same delay time such that the clock signal received by the counting circuit can be synchronized with that received by the external memory, and therefore the counting circuit can accurately count to a predetermined time according to the clock signal and output an enabling signal to enable a data control signal. The present invention further provides a signal synchronizing method for the memory controller.

Abstract: A kung fu training device of the present invention mainly includes a base portion, a body portion and two arms. The body portion is disposed on the base portion. The body portion includes a vertical rod, a lateral rod and a wrapping element. The lateral rod is firmly disposed on the vertical rod. The wrapping element covers the rods. The arms are disposed on the body portion. The arms are height-adjustable and relative-distance-adjustable. As such, the kung fu training device is suitable for trainees with different body sizes, and almost whole training device can be attack by trainees without injury.

Abstract: A TDC circuit includes: a first delay circuit, including at least one first delay stage for delaying a first input signal to generate a first output signal; a second delay circuit, including at least one second delay stage for delaying a second input signal to generate a second output signal; a first counter, for computing the first output signal to generate a first counter value; a second counter, for computing the second output signal to generate a second counter value; and a comparator, for comparing the first counter value and the second counter value to generate a comparing result signal; wherein the first delay stage has a larger delay amount than the second delay stage, the first counter starts before the second counter, and the comparator outputs the comparing result signal when the second counter value falls within a predetermined range of the first counter value.

Abstract: A composite transformer includes a bobbin assembly, a magnetic core covering element and a magnetic core assembly. The bobbin assembly includes at least a first connecting part and a first channel, wherein at least a primary winding coil and at least a secondary winding coil are wound around the bobbin assembly. The magnetic core covering element includes a second channel and at least a second connecting part. The at least a second connecting part of the magnetic core covering element is coupled with the at least a first connecting part of the bobbin assembly, so that the magnetic core covering element is combined with the bobbin assembly. The magnetic core assembly is partially embedded into the first channel of the bobbin assembly and the second channel of the magnetic core covering element.

Abstract: A kung fu training device of the present invention includes a positioning portion, a body pole, a shoulder portion, two joint portions, two arm portions and several pins. Polygonal holes and corresponding polygonal poles are disposed on pivoting ends of the shoulder, the first and second joints of the joint portions, and the arm connectors of the arm portions respectively. Thereby, the fist pads disposed on the distal ends of the arm portions are height-adjustable and angle-adjustable about the body pole, and the heights of the shoulder portion and the head portion are also adjustable. As a result, the training device of the present invention is suitable for the trainees with different body sizes to simulate fighting with simulating enemies with different body sizes, so as meet the trainees' need.

Abstract: A method for forming a decouple capacitor of an integrated circuit, the integrated circuit including a core circuit and a plurality of I/O circuits coupled to the core circuit, includes cutting part of a plurality of lines in at least one specific circuit of the I/O circuits to form decouple capacitors of the integrated circuit.

Abstract: A transformer includes a bobbin assembly, a primary winding coil, a first secondary winding coil, a second secondary winding coil, and a magnetic core assembly. The bobbin assembly includes a primary winding part, a first secondary winding part, a second secondary winding part and a channel. A first opening is formed in a bottom surface of the bobbin assembly and communicates with the channel. The primary winding coil is wound around the primary winding part. The first secondary winding coil is wound around the first secondary winding part. The second secondary winding coil is wound around the second secondary winding part. The magnetic core assembly is partially embedded into the channel of the bobbin assembly, and includes a first magnetic part and a second magnetic part. The second magnetic part includes a first extension post, and the first extension post is inserted into the first opening of the bobbin assembly.

Abstract: A composite transformer includes a bobbin assembly, a magnetic core covering element and a magnetic core assembly. The bobbin assembly includes at least a first connecting part and a first channel, wherein at least a primary winding coil and at least a secondary winding coil are wound around the bobbin assembly. The magnetic core covering element includes a second channel and at least a second connecting part. The at least a second connecting part of the magnetic core covering element is coupled with the at least a first connecting part of the bobbin assembly, so that the magnetic core covering element is combined with the bobbin assembly. The magnetic core assembly is partially embedded into the first channel of the bobbin assembly and the second channel of the magnetic core covering element.

Abstract: A transformer includes multiple bobbins arranged side by side, a primary winding coil, a secondary winding coil and a magnetic core assembly. Each bobbin includes a main body, multiple partition plates, a primary winding coil, a secondary winding coil and a magnetic core assembly. The main body has at least two sidewalls respectively disposed at two opposite ends thereof. The partition plates are disposed on the main body for respectively cooperating with the sidewalls to define a first winding region and a second winding region. The first winding region and the second winding region are separated by the partitions plates. The spacer is disposed within the channel. The primary winding coil and the secondary winding coil are respectively wound on the first winding portion and the second winding portion of each bobbin. The magnetic core assembly partially embedded into the channels of the bobbins and sustained against the spacer.

Abstract: A boxing training device of the present invention includes a base, a support portion and a hit portion. The support portion is disposed on the base, and the hit portion is disposed on the support portion. The hit portion may he stored in a cavity defined by a bottom surface of the base while being removed from the support portion. Therefore, the storage space of the present invention is reduced.

Abstract: The present invention relates to a circuit carrier and transformer assembly. The circuit carrier and transformer assembly includes a circuit carrier and a transformer. The transformer includes a bobbin with multiple bobbin bases. The circuit carrier includes multiple receiving holes corresponding to respective bobbin bases of the bobbin. The bobbin bases are received in respective bobbin bases when the transformer is mounted on the circuit carrier.

Abstract: A boxing equipment of the present invention includes a base, a disc member, a plastic pole, a boxing member and a sheath. The disc member is disposed on the base for housing a first end of a resilient member, and the pole is fastened to a second end of the resilient member. One end of the pole is mounted with the boxing member, while the sheath can fasten the boxing member with the pole.

Abstract: A memory controller for controlling a memory, where the memory controller includes: a pad, coupled to the memory, for generating an output signal to the memory according to a signal value of the memory controller; a voltage pull-up device, coupled to the pad, comprising a first N type transistor and for pulling up a voltage level on the pad according to the signal value; and a voltage pull-down device, coupled to the pad, comprising a second N type transistor and for pulling down the voltage level on the pad according to the signal value.

Abstract: A circuit for calibrating a data control signal includes a time-delay compensation circuit and a voltage-control delay circuit. The time-delay compensation circuit receives two complementary signals and a direct current voltage which has two voltage cross points with the two complementary signals respectively, and outputs a control voltage according to a time difference between the two voltage cross points. The voltage-control delay circuit delays a data control signal for a predetermined time according to the control voltage, thereby eliminating signal skew between the data control signal and a data signal.

Abstract: A method for forming a decouple capacitor of an integrated circuit, the integrated circuit including a core circuit and a plurality of I/O circuits coupled to the core circuit, includes cutting part of a plurality of lines in at least one specific circuit of the I/O circuits to form decouple capacitors of the integrated circuit.

Abstract: A signal sampling apparatus for a DRAM memory comprises a phase delay circuit adapted for receiving a data signal and delaying the data signal by a predetermined time to generate a delay signal; and a sampling circuit for sampling the data signal according to the delay signal.

Abstract: The present invention relates to a circuit carrier and transformer assembly. The circuit carrier and transformer assembly includes a circuit carrier and a transformer. The transformer includes a bobbin with multiple bobbin bases. The circuit carrier includes multiple receiving holes corresponding to respective bobbin bases of the bobbin. The bobbin bases are received in respective bobbin bases when the transformer is mounted on the circuit carrier.