64results about How to "Prevent excessive output" patented technology

In order to reduce mutual interferences between POLMUX and signals, the signals are transmitted with differed to each other carrying signals, thereby making it possible to obtain the circular polarization of each resulting POLMUX signal. Each second POLMUX signal is transmissible with an opposite circular polarization. In order to reduce also interferences when only one modulated data signal is transmitted through a POLMUX channel, a polarization plane of modulated data signals of each second POLMUX channel is turned at 45°. In a variant, polarization multiplex signals are produces and the resulting polarizations thereof in adjacent channels are perpendicular to each other.

The present invention refers to a circuit for current and voltage control in a switching power supply controlled on the primary side, comprising a transformer with a primary-sided and a secondary-sided main winding, wherein energy pulses are transmitted from the primary side to the secondary side. Furthermore, a primary-sided switch switches on an off a primary current through the primary-sided main winding. A primary current comparator determines a switch-off time of the switch depending on the primary current. In order to reduce the load dependency of the output voltage, the control variable is variably amplified by a feedback network and additionally the control variable is reduced depending on the output load through a correction network. To reduce noise generated by the energy-rich pulse transmissions at low frequencies and the waviness of the output voltage, the control variable is fed back to the primary current comparator so that the duration during which the primary current flows through the primary-sided main winding is reduced differently. To reduce the susceptance to failure when determining the switch-on time, a comparator voltage depending on the control variable is generated as reference.

A transverse-axis power turbine, such as a Vertical-Axis Wind Turbine (VAWT), which includes both computer-controlled variable pitch and variable radius aspects providing a means to optimize performance and match variable loads in real-time. When multiple units are established coaxially and fixed to a floating platform, a method is presented of producing near net zero torque from the turbines on the floating platform. The transverse-axis power turbine can utilize helical blades for improved performance, while still benefiting from the variable radius and variable pitch functionality.

An electric-acoustic stringed instrument has a removable, adjustable and acoustic artwork top with a decorative bridge and tailpiece; a mounting system for electric string vibration pickups that allows five degrees of freedom in placement and orientation of each pickup anyplace between the neck and bridge; a pickup switching system that provides K*(K−1)/2 series-connected and K*(K−1)/2 parallel-connected humbucking circuits for K matched single-coil pickups; and an on-board preamplifier and distortion circuit, running for over 100 hours on two AA cells, that provides control over second- and third-harmonic distortion. The switched pickups, and up to M=12 switched tone capacitors provide up to M*K*(K−1) tonal options, plus a linear combination of linear, near second-harmonic and near-third harmonic signals, preamp settings, and possible additional vibration sensors in or on the acoustic top.

A light emitting display including a scan driver for supplying scan signals to scan lines in a first period of a horizontal period, a data driver for sequentially supplying a plurality of data signals to an output line in a second period of the horizontal period, a demultiplexer coupled with the output line and supplying the data signals to a plurality of data lines, respectively, and an image display including a plurality of pixels. The data lines include a capacitor for storing voltages corresponding to the data signals. A last data signal supplied in the second period is supplied to overlaps a scan signal.

An internal combustion rotary engine, self cooled, totally concentric and symmetric, dynamically variable compression ratio, capable of developing multiple Otto cycles in each rotation, by means using modules, composed mainly by a solenoid gate valve and three chambers operating at the rotor periphery, producing at low RPM, torsion of value near close at theoretical limit. High power/weight ratio, which increases substantially when number of modules increase, without drive shaft length increase; plus reduced internal friction, is a truly saver fuel machine; with volumetric asymmetry ratio between expansion and compression chambers, and that compression chambers working at beginning of the cycle at normal atmospheric pressure, it gives a fast rise pressure peak, because of the almost wedged form of that chambers. Proper for many types of combustion and class of fuels, including hydrogen, liquefied propane gas and efficient use of air compressed as external energy supply. Excels in aircraft use.

A device of a system for air ducting of an internal combustion engine in a motor vehicle with a turbocharger arranged between an exhaust gas line and an intake line. The device includes a high pressure flow pathway with a valve branching from the exhaust gas line between the internal combustion engine and a turbine side of the turbocharger, a low pressure flow pathway with a valve branching in the flow direction of the exhaust gas downstream from the turbine side of the turbocharger, and an exhaust gas heat exchanger. A first flow pathway with a valve and a second flow pathway with a valve merge into a mouth region with a third flow pathway. At least one section of the high pressure flow pathway, the low pressure flow pathway, the flow pathways, and the exhaust gas heat exchanger are integrated inside a housing formed as a continuous compact unit.

The claimed subject matter provides systems and/or methods for training feature weights in a statistical machine translation model. The system can include components that obtain lists of translation hypotheses and associated feature values, set a current point in the multidimensional feature weight space to an initial value, chooses a line in the feature weight space that passes through the current point, and resets the current point to optimize the feature weights with respect to the line. The system can further include components that set the current point to be a best point attained, reduce the list of translation hypotheses based on a determination that a particular hypothesis has never been touched in optimizing the feature weights from at least one of an initial staring point or a randomly selected restarting point, and output the point ascertained to be the best point in the feature weight space.

The present disclosure concerns an apparatus (10) and method for reading out an optical chip (20). A light source (13) is arranged for emitting single mode source light (S1) from its emitter surface (A1) towards an optical input (21) of the optical chip (20). A light detector (14) is arranged for receiving measurement light (S2) impinging onto its receiver surface (A2) from an optical output (22) of the optical chip (20), and measuring said received measurement light (S2). The emitted source light (S1) is aligned to enter the optical input (21) of the optical chip (20) and the measurement light (S2) is aligned back onto the receiver surface (A2). The receiver surface (A2) is larger than the emitter surface (A1) for facilitating the overall alignment.

A folding-up mechanism for an electric treadmill having a single lifting motor for adjusting a platform frame to an inclined and upright position with a handrail frame moved to a storage position. The lifting motor and a drive screw are interposed between two base frames. The drive screw is screwed in a slip pipe with female thread. An intermediate tube is pivotally coupled to a rear end of the slip pipe with a front crossbar and a handrail frame coupled to the opposing end of the intermediate tube. One end of the platform frame is pivotally attached to an upright bar of the base frames while a bottom side of the platform frame is pivotally coupled to a telescopic tube, a pull rod, and a push rod that are in turn coupled to the slip pipe, the intermediate tube, and the handrail frame so that the slip pipe is movable to and fro when the lifting motor is activated to impart an in-place rotation to the drive screw, thereby achieving the expected effects.

A purge control system and method is provided. In particular, one or more sensors measure pressures of an anode and a cathode of a fuel cell stack. A controller, then controls the pressures of the anode and the cathode so that a pressure difference between the anode and the cathode is maintained at a predetermined reference differential pressure. The controller also determines an opening time and an opening cycle according to an output of a fuel cell stack necessary for a vehicle, and opens and closes a hydrogen purge valve according to the determined opening time and opening cycle.

An optical connector includes a housing, a photoelectric conversion circuit board on which a photoelectric conversion element is mounted, and a resin member made of a light transmissive synthetic resin and arranged on a plate surface of the photoelectric conversion circuit board so as to cover the photoelectric conversion element. The photoelectric conversion circuit board is housed in the housing. The resin member includes a sleeve to which a ferrule attached to an end of an optical fiber is fitted. The sleeve of the resin member is arranged such that an axial direction thereof is substantially perpendicular to the plate surface of the photoelectric circuit board. The resin member integrally includes a lens on an axial line of the sleeve such that the lens faces the photoelectric conversion element.

The invention discloses an indoor unit air gear adjusting method. The method includes the steps that the values of a first operation parameter and a second operation parameter of an indoor unit are obtained regularly with a first preset period as the interval and stored; the difference values of the first operation parameter and the second operation parameter in the corresponding period are regularly calculated with a second preset period as the interval; and when the difference values are larger than a first preset threshold value, the value of a first variable is used as an air gear level difference value to increase the air gear, or when the difference values are smaller than a second preset threshold value, the value of the first variable is used as an air gear level difference value to decrease the air gear. The invention further discloses an indoor unit air gear adjusting device and an air conditioner indoor unit. By the adoption of the indoor unit air gear adjusting method and device and the air conditioner indoor unit, the air gear of the indoor unit is automatically adjusted to be increased or decreased correspondingly according to the different conditions of the relationship between the difference values of the two preset operation parameters of the indoor unit and the preset threshold values, the situation that the output of an indoor fan is excessive when the values of the two operation parameters are greatly different due to the fact that the air gear is fixed is avoided, and the energy saving purpose is achieved.

In an optical recording medium including a grooved light-transparent substrate, a phase change recording layer, a dielectric layer and a reflective layer, recording is carried out by irradiating a laser beam to the recording layer through an objective lens in an optical system. The recording is carried out in a groove recording mode under the conditions: 0.48≦P_T/(λ/NA)≦0.74, and P_T≦0.50 μm wherein λ is a laser beam wavelength, NA is an objective lens numerical aperture, and P_T is a track pitch, thereby forming a recorded mark having opposite ends extending out of the groove. This enables high density recording and increases the data transfer rate of a phase change optical recording medium.

An electric fence including a web of galvanized, high-tensile strength steel wires coupled to and between a pair of posts, the web including a plurality of substantially horizontally extending wires arranged substantially parallel to one another, and a plurality of substantially vertically extending wires arranged substantially parallel to one another and extending to and between each of the horizontally extending wires to form a plurality of wire rectangles, each rectangle having a desired size. The construction and arrangement of the web enables the web to be energized using less energy than conventional fencing.

A spray bottle warming system warms the liquid contents held within a spray bottle used in a hair cutting or styling salon. The device uses a housing that has a bottom and a base plate such that one or more heating coils are located either underneath or passing through the base plate. A sidewall of the housing forms an annular lip with an opening therebetween with the spray bottle resting on the base plate and secured by the annular lip and heated via the heating coils. The device is capable of sensing the weight of the spray bottle, either absolutely, or relative to an initial starting weight, so that the output of the heating coils is controlled by the weight sensed, the less weigh sensed, and thus the less contents within the bottle, the less heat output from the heating coils.