50results about How to "Stable working characteristics" patented technology

High-impedance optical electrodes modulate light in response to a life-form bio-potential and then converts the modulated light to an electrical signal that provides traditional EEG and EEC type output. Light splitters are used to provide multiple electrodes and an electronic reference source. A pilot tone is used to achieve high sensitivity and synchronize multiple units while an optical phase-shift modulator is used to reduce optical noise.

In the present invention, a physical and chemical property of thermosensitive material is noted in selecting and using thermosensitive material to provide a noble and improved thermal fuse using thermosensitive material. To achieve this object, the present thermal fuse includes: a thermosensitive material formed of thermoplastic resin fusing at a prescribed temperature; a cylindrical enclosure accommodating the thermosensitive material; a first lead member attached at one opening of the enclosure, forming a first electrode; a second lead member attached at the other opening of the enclosure, forming a second electrode; a movable conductive member accommodated in the enclosure and engaged with the thermosensitive material; and a spring member accommodated in the enclosure, and pressed against and thus acting on the movable conductive member. When the thermosensitive material fuses at an operating temperature an electrical circuit between the first and second electrodes is switched.

The invention provides a transponder duplex multifrequency community antenna, which aims at solving the problem that the double antennas mutually influence with each other and have big influence on the electromagnetic characteristic of a base station in a varying magnetic field, the single antenna transponder needs a complex filter network, and the temperature characteristic of the antenna made of copper and aluminum pipe is poor. The key point of the invention is that: a resonance circuit formed by a resonant capacitance bank and an antenna body, and the resonant frequency thereof is F1; theantenna body is formed by two semicircular copper foils on a printed-circuit board, and is inductively coupled with the base station; the antenna body and a frequency F1 isolation module work under the frequency F2 and are served as a part of a transmitting antenna and/or a oscillation loop of the frequency F2; and an energy and received information extraction module extracts energy in a double-antenna extraction mode or a single-antenna extraction mode, and extracts information in a double-antenna extraction mode or a single-antenna extraction mode. The invention is applied to the transponder.

The present invention is directed to a thick film patterned resistor on a substrate and to a method of forming it. The method involves providing a substrate with opposed surfaces, where one surface is coated with a layer of a resistor composition. A photoresist is applied over the layer of the resistor composition, and a desired pattern in the photoresist is formed, where the pattern leaves certain regions of the resistor composition layer uncovered by the photoresist. The resistor composition layer which is uncovered by the photoresist is etched under conditions effective to leave a mass of loosely bound resistor particles at regions of the resistor composition which are not covered by photoresist. The mass of resistor particles is then removed from the substrate to produce a thick film patterned resistor on the substrate.

The invention discloses a method for inducing tomato to improve low temperature resistance. Tomato plants are irradiated with far-red light LED light sources to supplement light during the night, wherein the intensity of the far-red light is 10-50micron mol m-2s-1, the wavelength scope falls in the scope of 675-780nm, the wavelength of peak value lambda max is 735nm, and the power of the far-red light LED light source is 5-100watt. The far-red light LED light sources are installed on the upper portion of tomato plants, and the installation density is 1-5watt/square meter. LED lamps emitting far-infrared light source are employed to supplement light for plants during the night, so as to induce CBF1 expression of tomato cold-resistant genes, reduce the light inhibition of low temperature on tomato photosystems II, and improve photosynthesis efficiency and seedling rate. The method can be used for tomato seedling growing in winter and spring, and winter, spring and overwintering cultivating. The resistance to low temperature and severe cold of the tomato is improved, the energy consumption for heating is lowered, food safety is ensured, and tomato production is ensured.

The invention discloses a magnetic suspension molecular pump rotor floating position selection method and a rotor floating control method. The inner circle center of a radial protection bearing stator serves as an original point to establish a rectangular coordinate system, the inner circle of the radial protection bearing stator is averagely divided into n sectorial intervals, and floating control parameters and floating characteristic parameters of rotors are obtained when the rotors are positioned in the intervals by means of suspension test. One interval or two intervals with the best floating characteristic is selected from the n intervals to serve as rotor floating preferential intervals, and the voltage amplitude ranges of X-directional output signals and Y-directional output signals of radial displacement sensors corresponding to the preferential intervals and the floating control parameters are recorded in a storage medium of a controller. When a magnetic suspension molecular pump starts working, the controller of the magnetic suspension molecular pump controls a motor to drive the rotors to reach the preferential intervals and then calls the floating control parameters stored in the controller to control the rotors to float, so that the rotors can rapidly and stably float.

The invention discloses a hybrid mechanism electromagnetic metasurface for broadband wide-angle RCS reduction. The hybrid mechanism electromagnetic metasurface mainly solves the problems that in the prior art, the RCS reduction bandwidth is narrow, and the angle stability is poor. The metasurface is composed of an upper dielectric plate (2) and a lower dielectric plate (3) which are tightly attached to each other, a metasurface structure layer (1) is arranged on the upper surface of the lower dielectric plate, and a metal reflecting plate (4) is arranged on the lower surface. The metasurface structure layer is formed by clockwise rotating 2*2 mixed mechanism metasurface modules along the center of the structure, and each metasurface module is composed of 4*4 mixed mechanism metasurface units. Each mixing mechanism metasurface unit is composed of three sets of L-shaped metal patches with different lengths, two sets of metallized through holes and two sets of lumped resistors welded to the metasurface unit, and the metasurface units and the metal reflecting plate are connected into a whole through the metallized through holes. According to the invention, the reduction bandwidth of the RCS is broadened, the angle stability of the metasurface is improved, and the hybrid mechanism electromagnetic metasurface can be used for reducing the RCS of the broadband wide-angle radar scattering cross section.

A circuit component comprising a circuit board and a terminal for mounting the circuit board on a second circuit board. A length of the circuit board is 10 mm-80 mm, a difference in a coefficient of thermal expansion between the circuit board and the second circuit board is or 0.2x10-5/° C. greater. The terminal is made of an elastic material, and comprised of a first connection section, a second connection section and an elastic section disposed between the first and second connection sections. and the terminal separates the circuit board from the second circuit board by 0.3 mm-5 mm. In the circuit components of the present invention, deterioration in the conduction between the circuit board and the second circuit board due to heat cycles can be prevented. Thus, a circuit component having stable operating characteristics for a long period of time is obtained.

Multi-structure linkage enclosed protecting capacitance pressure sensor and its manufacturing method relate to a pressure sensor, supplying sensor with good hermetical characteristic, stable performance, excellent bearing capacity, high linearity and sensibility, and technical method with good versatility and low manufacturing cost, having prime silicon slice, glass substrate, enclosed glass, silicon film electron and capacitance cavity electron. Wash, dry, oxidize the prime silicon slice, erode capacitance cavity, then spread to form P+layer or PN node of film, creating metal electron; isolation glass is made on metal electron, prime silicon slice and glass slice is linked; dual-plane polishing glass slice used for enclosing glass is linked with protecting silicon slice; enclosing glass is isolation wall has static electricity linkage with enclosing glass. Use linkage structure of two pieces of silicon and two pieces of glass, and multi-structure static electricity linkage technique enclosing capacitance cavity, to produce capacitance cavity type micro pressure sensor, avoiding effectively the problem of capacitance cavity enclosing linkage.

The invention relates to a protective circuit and a display driving device, The voltage at the output end of the controlled switch module is larger than the first preset voltage, so that the voltage threshold module is turned on, so that the input end and the output end of the controlled switch module are turned off, and the driving chip is prevented from being damaged due to the influence of theelectric overstress. At the same time, the voltage clamping module clamps the voltage potential of the controlled switch module to stabilize the operating characteristics of the controlled switch module.

The present invention relates to a switching device, a method of fabricating the same, and a nonvolatile memory device including the same. A switching device according to an embodiment of the present invention includes a first electrode; a second electrode; and a switching film which is disposed between the first electrode and the second electrode, and includes an electrically insulating matrix and a conductive path formed in the electrically insulating matrix. In this embodiment, the conductive path includes crystalline metal clusters dispersed in the electrically insulating matrix and a metal bridge connecting adjacent crystalline metal clusters.

In an evaporator that constitutes part of a vehicular air conditioning apparatus, a sensor is provided, which is capable of detecting the temperature in the evaporator. In the evaporator, the sensor is installed on a back surface side thereof facing a downstream side, and on a first cooling section, through which air from a first blower unit flows. Also, the sensor is installed at a position in the vicinity of a supply conduit that supplies a coolant medium with respect to the evaporator. At a region where a maximum low temperature in the evaporator occurs, and for which there is a fear of freezing due to moisture contained within the air, the temperature is detected by the sensor.

A switch is provided, which is stable in operating characteristics and can be operated with a small operating force, and which is long in life and easy to manufacture. The switch includes a base, a moving contact piece having one end thereof supported pivotally on the base, an operating lever supported pivotally on the base and having a drive part pushing a coil portion of the moving contact piece, and a cover having a planar shape capable of covering the base and fixed to the base to compress the coil portion. The operating lever pushes the coil portion of the moving contact piece whereby the moving contact piece turns about an end thereof, the coil portion slides on a stationary contact exposed from a bottom surface of the base, and the other end of the moving contact piece slides on a common stationary contact exposed from an inner surface of the base.

A wind power installation with a tower, an aerodynamic rotor, wherein the aerodynamic rotor can be operated with a variable rotor speed and has a number of rotor blades respectively with an adjustable rotor blade angle, a generator for generating an electrical output power, wherein for operating the wind power installation an operating characteristic, which indicates a relationship between the rotor speed and the output power, is specified and a controller, which sets the output power in a way corresponding to the operating characteristic in dependence on the rotor speed, is provided, wherein selectable as the operating characteristic is a reduced-tonality operating characteristic, which is designed such that an excitation of a system resonance of the wind power installation is reduced as compared with an optimum-power operating characteristic, without however excluding a speed that excites this system resonance.

The invention belongs to the field of turbochargers of automobile engines and particularly relates to a turbocharger intermediate. The turbocharger intermediate comprises an intermediate body and a diffusion plate which are integrally formed, a vaneless diffuser and a vane diffuser are arranged on the diffusion plate, the tail end of the vaneless diffuser is connected with the front end of the vane diffuser, and the vane diffuser comprises a plurality of diffusion vanes fixed on the diffusion plate. The turbocharger intermediate is reasonable in structural design, reliable in operation process and high in stability.

The invention discloses a circuit principle of an intermediate relay with extremely high reliability. The intermediate relay comprises a wide-voltage low-power-consumption power supply circuit, an anti-alternating-current detection circuit, a signal sampling, shaping, filtering and starting circuit, a relay constant-current acting control circuit and a dummy load current-limiting switching circuit with the starting power not smaller than 5W. The circuit adopts a low-power-consumption CMOS logic device and a high-power NMOS power device, and has the advantages of active interference absorption, no maloperation and no refusal operation, external interference resistance, high reliability, guarantee of reliable operation when the input voltage of the power supply is low, and guarantee of no burnout and excessive heating when the input voltage is extremely high. According to the invention, the defect that the performance of the conventional intermediate relay is reduced or the operation of the conventional intermediate relay is rejected and mistakenly operated under certain specific occasions is overcome, the correct operation performance of the intermediate relay under conventional and unconventional conditions is ensured to the greatest extent, and the reliability of the intermediate relay is greatly improved. The relay is especially suitable for matching of key high-value electrical equipment in the fields of electric power, chemical engineering, rail transit vehicles, ships, military industry, spaceflight and the like, and has a good application prospect.

The invention discloses a method for increasing an iron content in a tomato fruit. The method comprises the following steps: supplementing light with radiation of a red-light LED light source for a tomato plant at night, wherein the red light intensity is 10-50 mumol m<-2>s<-1>. The method disclosed by the invention is characterized in that light supplementation of the plant is realized through methods such as the LED which sends out the red light at night so as to induce tomato iron to absorb FER expression of related genes and enhance the enzyme activity of FCR in a tomato root system and thus enhance the tomato capability of absorbing and utilizing iron in soil and obtain the tomato fruit with the higher iron content. The method disclosed by the invention adopts proper light supplementation at night, increases nutritious quality of the tomato fruit, enables people to obtain more diet iron from vegetables, has high potential application values and provides a molecular mechanism theoretical foundation for increasing the use rate of the iron element in soil and improving the quality of tomato fruits.