82results about How to "Overcome bias" patented technology

A weightlifting system includes a weight bar frame rack which includes a multitude of openings along an upright to receive a weight support assembly at various positions along the frame rack. The support assembly includes a multitude of studs which extend from an inner surface of a U-shaped support plate to engage the openings and provide a robust weight support which will bear a significant quantity of weight. In use, the weight support assembly is pushed into and down the upright such that that the studs engage and are guided by the openings. Concurrent therewith, a spring bias is overcome until a latch member encounters a lock opening to securely lock the support into the desired position. To remove the weight support assembly a lock trigger is retracted and the weight support assembly is lifted up and out of the openings. The entire locking and unlocking of the weight support assembly is readily performed with one hand.

A thermal bypass valve for a heat exchanger circuit includes a valve housing forming a valve chamber including a bypass passage and ports for the flow of heat exchange fluid into and out of the valve chamber as well as a bypass port defined by a valve seat. Two axially aligned thermally sensitive actuators are mounted in the chamber, each with an actuator body and its own movable piston extendible from one end of the body. One of these pistons operably engages the actuatory body associated with the other piston. Each actuator body is normally movable in the chamber in response to extension of its piston. One of the actuators extends its piston at a higher temperature than the temperature required for the other actuator to extend its piston. A bypass valve member is mounted on one of the actuators and can be moved by either actuator from an open position to a closed position.

A thermal bypass valve for a heat exchanger circuit includes a valve housing forming a valve chamber including a bypass passage and ports for the flow of heat exchange fluid into and out of the valve chamber as well as a bypass port defined by a valve seat. Two axially aligned thermally sensitive actuators are mounted in the chamber, each with an actuator body and its own movable piston extendible from one end of the body. One of these pistons operably engages the actuatory body associated with the other piston. Each actuator body is normally movable in the chamber in response to extension of its piston. One of the actuators extends its piston at a higher temperature than the temperature required for the other actuator to extend its piston. A bypass valve member is mounted on one of the actuators and can be moved by either actuator from an open position to a closed position.

The invention provides a test scheme of analog-to-digital converters and method thereof. It comprises: a control circuit, a step-ramp signal generator, a multiplexer, an n+m-bit counter, and a test analyzing circuit, wherein m=1, 2, 3 . . . , based on desired accuracy of the test scheme. A clock pulse is coupled to the n+m-bit counter and a control circuit for regulating duty cycle, amplitude, and frequency. It is also coupled to a step-ramp signal generating circuit for being integrated as a test signal source. Therefore the step-ramp signal can synchronize with the n+m-bit counter, and the output codes are applied to compare with output codes of the n-bit ADCs for completely digitally analyzing ADC's parameters. The step-ramp signal is divided into several segments, each is integrated by the regulated clock signal with different duty cycles, which increases integrating time to compensate leakage currents of the capacitor and improve linearity of the step-ramp signal.

A stress-optimized structural support which may be utilized as a beam or assembled with similar supports to form a building floor or roof panel or a bridge deck utilizes an open core element, made preferably of suitably treated fluted paper, upper and lower thin skin sheets, preferably steel skins, and a layer of concrete poured over the top skin. Modules comprising the hollow core element and the upper and lower skin sheets are fabricated to lengths required for building floor, roof or bridge spans and, when joined by welding or otherwise joining the upper and lower skin sheets of adjacent elements along their full lengths, provide a floor or roof deck structure of a large span with horizontal stresses distributed omnidirectionally. A post-stressing tensile system redistributes and reduces the load on the roof deck by about one-half. Small building decks utilizing the stress redistribution system can be combined to build a large span roof in which multiple tensioning systems are coordinated to simultaneously effect the load redistribution.

A land roller implement includes a wheel aligned with the respective gap between the inner roller and the outer roller of each wing in which the wheel is pivotal between a packing position in the working position of the rollers and a transport position supporting the rollers in the transport position of the implement. The wings can also include a drive motor associated with each transport wheel to drive forward rotation of the wheel for displacing the wings from the transport position to the working position without displacing the implement in a rearward direction. A leveling beam attachment and a seeding attachment can also optionally be used on the land roller implement. Optional latchable brace members pivotally supported on the wings may provide additional support to the wings when using the leveling beam attachment.

The invention discloses a new betaine aldehyde dehydrogenase 2 gene enabling paddy rice to have the characteristic of light fragrance, and compared with non-fragrant paddy rice nipponbare, the mutation site is not located in coding strand but belongs to the mutation-type betaine aldehyde dehydrogenase 2 gene at the upstream of the coding strand. Three nucleotides are lost at the -81 site at the upstream of the first nucleotide of the initiation codon of the coding strand, and eight nucleotides are inserted into the -1314 site. A new light-fragrance type paddy rice species is cultivated once homozygous progeny is obtained by transferring the gene into non-fragrant paddy rice via hybridization. The invention also discloses a method for screening the paddy rice possessing the light-fragrance type characteristic and a primer of a molecular marker. The new gene is provided for cultivation of the light-fragrance type paddy rice; also the betaine aldehyde dehydrogenase 2 fragrance gene in paddy rice, the primer of molecular marker and the screening method help to perform assistant selection on plants containing light-fragrance gene, are beneficial to improve selection effect, and also help to identify whether the inbred progeny light-fragrance gene formed at the later stage of breeding is in a homozygous state, so that the breeding target can be realized rapidly and effectively.

The invention discloses a monitoring-point deviation adjustment circuit based on a semi-path time sequence early-warning method. The monitoring-point deviation adjustment circuit is composed of a monitoring-point-deviation-ratio detection module and a clock-duty-ratio adjustment module. The monitoring-point-deviation-ratio detection module detects a critical-path start point, a monitoring point and delay of a tail end point and the critical-path start point through a TDC, and the result is shown through the output stage number of the TDC; the TDC transmits an output signal to an ACU, then the calculated monitoring-point deviation ratio is compared with a threshold value through the ACU, and when the monitoring-point deviation ratio is larger than the threshold value, the adjusting signal of the clock duty ratio is pulled up. The clock-duty-ratio adjustment module increases the clock duty ratio step by step when the adjusting signal of the clock duty ratio is pulled up till a time sequence early-warning signal is pulled down; the clock duty ratio is stopped to be adjusted at this moment, and power consumption benefits lost by the path monitoring-point deviation are finally reduced.