摘要:
For the purpose of efficient transmission based on the UWB system, first and second baseband waveforms are generated at a cycle equivalent to an integral multiple of a carrier to have a specified phase difference from each other. The first baseband waveform is multiplied by the carrier and a first transmission data sequence to acquire a first transmission waveform. The second baseband waveform is multiplied by a phase shifted carrier and a second transmission data sequence to acquire a second transmission waveform. The first transmission waveform is mixed with the second transmission waveform to acquire a transmission signal. The transmission signal is transmitted as a π/2 shift BPSK signal to transmit a UWB signal. Selecting the baseband waveforms and the carrier makes it possible to configure the transmission band and easily provide division multiplexing transmission.
摘要:
A DMA transfer control device for controlling a DMA transfer between a source and a destination is provided. The DMA transfer control device has: a buffer in which a transfer data is stored; and a bus cycle generation unit performing a burst transfer of the transfer data between the buffer and the source or the destination. The bus cycle generation unit performs an undefined-length burst transfer until an access address reaches a burst address boundary in the source or the destination. The bus cycle generation unit performs a fixed-length burst transfer after the undefined-length burst transfer until transfer of the transfer data is completed.
摘要:
A high-pressure processing apparatus includes a processing vessel including a processing chamber formed therein to perform a certain process onto an object in the processing chamber; fluid feeding means which feeds a high-pressure fluid into the processing chamber; fluid discharging means which discharges the high-pressure fluid from the processing chamber; an agitating unit which is arranged in the processing chamber and is operative to flow the high-pressure fluid over the object by relative rotation to the processing vessel; a communicating channel which is formed in the processing vessel to communicate inside and outside of the processing chamber; a rotary driving member which is coupled to the agitating unit via a shaft portion provided in the communicating channel; and a sealing portion which is provided between the shaft portion and the processing vessel to disconnect the processing chamber from the rotary driving member. The fluid discharging means includes a fluid discharging port formed in a certain position of the communicating channel closer to the processing chamber than the sealing portion to discharge the high-pressure fluid.
摘要:
The present invention provides a perfluoroelastomer molded article having non-sticking property to metal, which comprises: a perfluoroelastomer crosslinked molded article; and an amorphous fluororesin that coats the perfluoroelastomer crosslinked molded article. Also disclosed are a method for producing the perfluoroelastomer molded article and a rubber material comprising the perfluoroelastomer molded article.
摘要:
A radio-frequency identification system includes (a) responders each having a unique identification number, (b) an interrogator making an inquiry to and receiving a response from each of the responders, and (c) a host computer controlling communication made between the responders and the interrogator, and binary-searching a number space of the identification number of each of the responders for identifying a responder(s) existing in a communication area in which the responders and the interrogator can make communication with each other. The host computer has a function of acting as a discriminator for generating a control signal in accordance with first to N-th (N≧2) communication areas in each of which the responders and the interrogator can make communication with each other, binary-searching the number space in each of the first to N-th communication areas one by one to identify a responder(s) existing therein, and inactivating the thus identified responder(s).
摘要:
A high-pressure processing apparatus for supplying a pressure medium into a high-pressure processing chamber 4, which is formed in a pressure vessel 1 to treat a workpiece at a high pressure, is provided. The pressure vessel 1 includes a first vessel section 2 and a second vessel section 3, which can be separated from each other in the axial direction, wherein the high-pressure processing chamber 4 is formed between the first and second vessel sections 2 and 3. Furthermore, a face seal section 5 for tightly sealing the high-pressure processing chamber 4 is formed in the abutment of the first and second vessel sections 2 and 3. A press apparatus 7 for providing an axial force to the face seal section 5 is disposed and the press apparatus 7 has a space 15 for storing a supplementary apparatus, such as a stirrer or the like at a position corresponding to the axial center of the pressure vessel 1. Such a structural arrangement allows a face seal type high-pressure processing apparatus to be realized, onto which the supplementary apparatus, such as a stirrer or the like, can be mounted.
摘要:
For the purpose of efficient transmission based on the UWB system, first and second baseband waveforms are generated at a cycle equivalent to an integral multiple of a carrier to have a specified phase difference from each other. The first baseband waveform is multiplied by the carrier and a first transmission data sequence to acquire a first transmission waveform. The second baseband waveform is multiplied by a phase shifted carrier and a second transmission data sequence to acquire a second transmission waveform. The first transmission waveform is mixed with the second transmission waveform to acquire a transmission signal. The transmission signal is transmitted as a π/2 shift BPSK signal to transmit a UWB signal. Selecting the baseband waveforms and the carrier makes it possible to configure the transmission band and easily provide division multiplexing transmission.
摘要:
The present invention is directed to a gas supply nozzle plate constructed by laminating a plurality of metal members each having a fluid path and branch. A fluid nozzle plate member provided by the invention has high sealing at a joined part, and high reliability even when used in high vacuum or at a high temperature. The fluid nozzle plate member comprises a plurality of plate-like metal members each having a fluid path and/or a branch. In this case, the plurality of plate-like metal members are laminated, and the laminated surfaces thereof are joined together by press forging.
摘要:
An optical repeating device with a monitoring function comprises first optical propagation means for propagating a lightwave signal through an optical transmission line, second optical propagation means butted against the first optical propagation means, for propagating the lightwave signal, optical branching means provided on a butting face between the first optical propagation means, and the second optical propagation means, and photodetection means. All the means described are assembled into a housing, and integrated therewith. Consequently, it is possible to downsize the optical repeating device with the monitoring function. A large portion of the lightwave signal propagated between the first optical propagation means and the second optical propagation means is allowed to pass through the optical branching means, however, a portion of the lightwave signal is reflected in a given direction by the optical branching means. A lightwave signal reflected is detected by the photodetection means, and is converted into an electric signal. When the electric signal as converted is displayed by, for example, display means, it is possible to check visually whether or not the lightwave signal is transmitted through the optical transmission line.
摘要:
A support shaft is non-rotationally inserted into bearing plates of support member. Accelerator rotor is attached to support shaft and can rotate, and a driver rotates it by means of the actuation of the accelerator pedal. Sensor rotor of accelerator opening sensor is attached to support shaft and can rotate. Protruding portion of sensor rotor is engaged with recess portion formed in accelerator rotor. Because plate spring inserted into recess portion sandwiches protruding portion in a direction opposite of the direction of rotation, with respect to sensor rotor, shift or deviation in the direction of rotation of accelerator rotor is prevented. Further, with respect to sensor rotor, accelerator rotor can slide in contact with plate spring while sliding in the direction of support shaft and the radial direction of accelerator rotor.