摘要:
A gyrotron device according to the present invention, having an electron gun for emitting an electron beam having an annular cross seciton, coils for applying a magnetic field to the electron beam emitted from the electron gun, a resonator for resonating the electron beam with microwaves and converting energy of the electron beam into microwaves, a collector for collecting the electron beam, a directional coupler for causing microwaves of a predetermined mode to pass, and a waveguide unit for guiding the microwaves from the directional coupler to an external portion.
摘要:
A thermal time-delay switch comprises contacts which are normally engaged, a first bimetallic element associated with one of the contacts to separate the contacts from each other with temperature rise in the first bimetallic element, a second bimetallic element associated with the other of the contacts to bring the contacts into engagement with each other with a temperature rise in the second bimetallic element, and a heating resistor provided for each of the first and second bimetallic elements to heat it. The relative displacement between the contacts caused by the first bimetallic element with the temperature rise therein is larger than that caused by the second bimetallic element, so that the contacts are separated from each other substantially independent of voltage fluctuations over a wide range of a voltage source feeding the two heating resistors when the heating resistors have been connected to the voltage source for a given period of time.
摘要:
A gaming table device which can determine frauds precisely and human errors is provided.A plurality of antennas for reading medium identification information of the game medium disposed on a game table through a wireless communication are disposed at locations spaced away from each other, and when a first antenna of the plurality of antennas is selected, a second antenna spaced at a predetermined distance from the first antenna of the plurality of antennas is selected.
摘要:
The object of the present invention is to provide a multifunctional detector wherein two sensors, for detecting the rotational speed of the transmission gear and for detecting the temperature of the transmission oil are disposed in proximity in a single unit so that they can be connected easily to a control ECU through a single connector.The multifunctional detector for an engine according to the present invention is configured such that a sensor for detecting the rotational speed of the gear within a transmission for a vehicle and a sensor for detecting the temperature of the surrounding transmission oil are mounted on the same circuit board and provided in a single case, and such that a housing chamber therefor is filled with a resin having high thermal conductivity, and the outputs of both sensors are performed from a single connector.
摘要:
This process for the desulfurization and denitration of light oil is effected by extraction with an organic solvent containing nitrogen. The invention also relates to light oil desulfurized and denitrated by said process as well as an organic solvent containing nitrogen for the extraction. The solvent is selected from among, for example, hetrocyclic compounds containing nitrogen, such as pyrrolidones, imidazolidinones, pyrimidinones and pyridinium salts, and acid amides. The combination of the process of this invention with any ordinary process for hydrodesulfurization enables the production of light oil having a sulfur content not exceeding 0.01% by weight. Light oil still containing benzothiophenone and dibenzothiophenone derivatives after hydrodesulfurization can be easily desulfurized to yield a desulfurized product not having any undesirable color, or any offensive smell. Also, the extraction of nitrogen compounds and aromatic compound from light oil is effected by the same process. As the re-extraction of sulfur compounds from the extracted phase or the separation of the extracted phase into the solvent and the extracted oil can be easily carried out, the solvent is reusable. The light oil treated according to the process of this invention enables a reduction of particulates in the combustion product thereof, and has a high cetane index.
摘要:
The present invention provides a humidifier for a refrigeration showcase comprising a plurality of ultrasonic vibrators for atomizing water, ultrasonic oscillation circuits provided for the vibrators respectively in corresponding relation thereto,and control means for varying the oscillation output of the oscillation circuit corresponding to at least one of the vibrators to control the amount of atomized water to be produced.
摘要:
The invention provides a power source device for an ion source, including first to third power source units coupled to the anode, the cathode and the beam extraction electrode of the ion source. The second power source unit applies an alternating voltage across the cathode. An alternating heating current then flows through the cathode. Each cycle of the alternating voltage from the second power source unit has positive and negative components with preset levels which are generated with a predetermined time interval between them. The power source device further includes a control circuit for interrupting the operation of the first and third power source units during the predetermined time interval.
摘要:
A solid state relay or controlled switch for connecting an AC power source to a load includes a solid state switching circuit in which a semiconductor controlled rectifier element, such as a photothyristor, thyristor or light-AC controlled element, is ignited by an external control signal, thereby to feed a load with an alternating current. A zero voltage switching circuit which executes switching when the instantaneous value of the amplitude of the supply voltage of the AC load current is zero or a value close thereto is connected to the rectifier element. As an improvement, a series circuit consisting of a resistor and a capacitor are connected between the base and emitter of a transistor in the zero voltage switching circuit. Thus, a zero voltage switching solid state relay whose withstand voltage build-up rate is enhanced and whose switching is endowed with a hysteresis characteristic is provided.
摘要:
The present application provides a system which transmits a request signal to a plurality of chips located within a communication range of an antenna, receives from a chip which has received the request signal an answer back including identification information and a plurality of error detection codes of the chip, generates a plurality of error detection codes from the identification information of the chip, detects match or mismatch of a plurality of error detection codes received and a plurality of error detection codes generated, and when, among a plurality of pairs of the error detection codes, match of a pair of error detection codes is detected and mismatch of another pair of error detection codes is detected, determines that the match of the pair of the error detection codes of the chip is misrecognition resulting from collision of a response signal.
摘要:
The present application provides a system which transmits a request signal to a plurality of chips located within a communication range of an antenna, receives from a chip which has received the request signal an answer back including identification information and a plurality of error detection codes of the chip, generates a plurality of error detection codes from the identification information of the chip, detects match or mismatch of a plurality of error detection codes received and a plurality of error detection codes generated, and when, among a plurality of pairs of the error detection codes, match of a pair of error detection codes is detected and mismatch of another pair of error detection codes is detected, determines that the match of the pair of the error detection codes of the chip is misrecognition resulting from collision of a response signal.