85 results about "Discrete quantity" patented technology

A connecting means adapted to fix or release a first element (4) and a second element (5) includes a locking pin (1) which is moveable to remote activation means between a locked position. In which leg (8) expends wall (9) into recess (10), and an unlocked position. The remote activation means may be magnetic, electro-magnetic or any other suitable means. A method of fixing or releasing first and second elements by remote activation means is also disclosed. The invention further provides a first element having first means (166) adapted to cooperate with second means (165) on a second element to facilitate connection of the first and second elements. A method of manufacturing the first element includes the steps of depositing discrete amounts of setable material on a surface of the first element and inverting the element to permit the material to set under the influence of gravity. A method of reducing the spacing between first and second elements by remote activation means is also disclosed.

The invention discloses a brake integrated controller of an unmanned plane, belonging to the field of brake integrated control. The brake integrated controller comprises a machine case and a motherboard fixed in the machine case, wherein the motherboard is provided with an internal bus, a first central data processing module (CPUA) and a second central data processing module (CPUB) which have the identical structure, an analog quantity input-output module (AIO), a discrete quantity input-output module (DIO) and a power supply module (PS). The invention solves the problem in the prior art that nose wheel steering control and brake control can not be integrated in one controller to realize synchronization control, and is mainly used for acquiring, recording and processing various sensor signals and input digital signals of wheels, realizes various steering modes and brake modes of the plane, and can be used for monitoring and eliminating troubles and the like.

Method for making a stem web material having a plurality of stems extending from discrete regions (patches or stripes) of the web, comprising:

• a) providing a web (e.g. nonwoven, woven or knit textile fabric; paper; microporous membrane, polymer film; etc.);
• b) providing discrete quantities of a polymer at a temperature above its softening point or in molten state;
• c) fusing the discrete quantities of polymer to the web; and
• d) forming a plurality of stems in each of the discrete quantities of polymer material.

The stems can be formed by pressing the web on which the patches or stripes of polymer are deposited against a tool having a surface with a plurality of stem-forming holes. The stems can be given enlarged ends by bringing the surface of the stem web close to a heated surface.

Apparatus and methods for combustion of fuel. Some embodiments of the inventions include a fuel nozzle which injects fuel into a combustion channel of a wave rotor combustor or a pulse detonation combustor In some embodiments the combustion process includes a backward-propagating detonation wave within a substantially closed channel which compresses discrete quantities of combustible and noncombustible mixture. Yet other embodiments include a precombustion chamber integrated into the wave rotor, the outlet stator or both.

A method and kit which allow the use of a discrete amount of a binding matrix to first purify nucleic acids from a medium under a first set of binding conditions wherein the amount of nucleic acid bound to the binding matrix is essentially independent of the amount of surface area of the definable amount of the binding matrix, followed by a second purification step wherein the nucleic acids are bound to a discrete amount of binding matrix under a second set of binding conditions wherein the amount of nucleic acid bound to the binding matrix is essentially dependent on the amount of surface area of the definable amount of the binding matrix, thus providing a discrete quantity of nucleic acid.

The invention provides a device for dispensing accurately-controlled small quantities of at least one liquid, comprising a liquid supply (L); a gas supply (G), arranged to selectively supply a gas pressure; and a capillary duct (20) adapted to be filled with liquid to be dispensed, and to eject the liquid. The device has a filling configuration wherein liquid from the supply is in contact with an end (20a) of the capillary duct to fill the capillary duct with liquid; and a liquid separation and ejection configuration, in which liquid remaining in the liquid supply is separated from liquid that fills the capillary duct to form a discrete quantity (V) of liquid filling the capillary duct (20) out of contact with the remaining liquid of the liquid supply. The capillary duct, filled with this discrete quantity (V) of liquid then has one end in contact with the gas supply and another end in contact with the atmosphere. The discrete quantity of liquid (V), forming an exact dose of liquid to be dispensed, is ejectable from the second end (20b) of the capillary duct by the application of gas pressure.

The present invention relates to positive displacement dispenser and method for dispensing discrete amounts of liquid. A dispenser for applying small amounts of liquid to a substrate is provided. The dispenser includes a dispenser body, an actuator in the dispenser body, and a dispensing element including a dispensing element body removably coupled to the dispenser body. A valve stem is mounted for reciprocating movement within the dispensing element body. Additional aspects include a deformable valve seat, a deformable and resilient valve stem tip and a method of applying liquid in discrete amounts to a substrate.

The invention discloses a driver for synchronous control of multiple motors, which aims to provide a driver for synchronous control of the multiple motors which can effectively reduce the weight and the size of the motor driver and can simultaneously or separately control steering and speed of multiple DC motors without programming. The invention is realized by the following technical solution: aCPU circuit board provides four working mode selections of an analog input mode, an R/C input mode, a simple serial port mode and a packet serial port mode for a driving circuit board; an analog quantity acquisition module in the CPU circuit board acquires the motor position, the current and the rotation speed information of the drive circuit board through a motor control interface module. A complex programmable logic device CPLD performs logic transformation on various input/output discrete quantities. A DSP module and a CPLD interface acquire/transmit logic signals, analyze and process RS422communication module in an RS422 communication module, control the motor control circuit to operate, and output control information to the drive circuit board to control the motor to operate according to predetermined parameters.

A closed system for withdrawing, measuring, and isolating discrete quantities of liquid specimen for cryogenic preservation and recovery includes a fluoroplastic storage tube, an aspirating device, such as a syringe, and an impermeable barrier. The aspirating device can be used to meter exact amounts of specimen into the tube, and then to isolate the specimen within the confines of the tube during freezing, storage, thawing. The specimen in the tube can be withdrawn into the same syringe. While encapsulated, the specimen is protected from contact with air, gasses, and moisture in the cryogenic atmosphere. The specimen can be recovered from the frozen state without compromising sterility or exposure to any external environment.

The invention discloses a virtual instrument bus type multifunctional maintenance test device, which comprises a computer, a control bus, a virtual instrument box, a cable and a tested element, wherein the control bus is connected between the computer and the virtual instrument box, the cable is connected between the virtual instrument box and the tested element, a virtual panel used for repairing and testing the tested element is arranged in the computer, a discrete quantity module, a small current switch, a large current switch, a switching quantity module and a data collection card are arranged in the virtual instrument box, a test hole panel is arranged on the cable, and is used for introducing out signals of the tested elements to be manually detected, and both ends of the cable are connected with connecting insertion elements. The test device adopts few elements, and has stable performance and convenient use, the cost is between the cost of a traditional electronic test table and the cost of an advanced integrated ATE test table, and the invention can be easily popularized.

The invention belongs to the technical field of ground half physical simulation tests of flight control systems of helicopters and relates to a portable integrated tester for a flight control system of a helicopter. The portable integrated tester consists of a panel part 1 and a board card part 2, wherein the panel part 1 comprises an aviation plug interface 11 of a tester and a fly control computer, an external bus signal DB9 interface and gating switch thereof 12, an analog quantity and discrete quantity signal input and gating switch thereof 13, an analog quantity and discrete quantity signal output 14, an avionic simulator display screen 15 and an external equipment aviation plug interface 16; and the board card part 2 comprises a signal switching board 21, an exciting board 22 and a power panel 23. According to the portable integrated tester disclosed by the invention, an avionic simulator and the tester are integrated, so that test equipment with convenience in use and reliability in connection is provided for the ground half physical simulation test of the flight control system and the test operability is improved.

A rotary airless compact including facing concentric arcuate inner and annular outer walls which are manually rotatable relative to each other, and a flexible tube extending between the walls and secured to the inner wall. The outer wall has radial ribs projecting inwardly to crimp the tube at spaced locations against the inner wall, providing successive seals between which the tube has internally open regions for holding fluid product. As the outer wall rotates relative to the inner wall in a direction from a first to a second end of the tube, product is drawn from a supply pouch at the first end into successive open regions of the tube in discrete quantities separated by the seals, and the ribs advance the seals and open regions to the second end, where a nozzle or other dispensing element discharges the quantities of product into a pan area of the compact.

The invention provides a BIT (Built-In Test) circuit of a multipath ground/open discrete magnitude input signal, which is mainly used for solving the problems of long test cycle, high measurement cost and poor reliability of test result in prior art. The BIT circuit of a multipath ground/open discrete magnitude input signal comprises at least two paths of serially connected second order filter circuits, a buffer circuit and a drive circuit, wherein one end of the second order filter circuit is a discrete magnitude input end while the other end thereof is a data output end, and the buffer circuit and the drive circuit are further connected with a decoding control circuit which is used for controlling data transmission and instruction decoding. The BIT circuit of a multipath ground/open discrete magnitude input signal only additionally adds two combined relays in hundreds of normal signal processing circuits, so that circuits are simple, practical and reliable, and the testability and the reliability of the circuits are improved greatly.

The invention discloses a data fusion method for controlling the amount of active suspension actuators of an emergency rescue vehicle. A laser radar collects topographic point cloud data of front of avehicle, absolute coordinates of the topographic point cloud data are obtained through coordinate transformation and a value of a speed sensor, a cubic sample strip interpolation function is adoptedto conduct serialization on discrete point cloud data to form continuous elevation information of the terrain of the front of the vehicle, and elongation controlled quantity of the actuator is obtained; attitude measurement unit collects vehicle attitude angle information in real time, and calculating as elongation of the actuator for controlling vehicle body attitude level; data fusion of the discrete vehicle attitude controlled quantity and continuous road elevation information is conducted to form the final controlled quantity of the active suspension actuator. The method ensures the time consistency of the elevation information of the terrain elevation information of the front of the vehicle and the attitude adjustment quantity of the vehicle body, and solves the problem that the accuracy of addition of the discrete quantity-discrete quantity of different time series in existing data fusion methods is poor and the algorithm is complicated, and the ride comfort of the handling stability of the emergency rescue vehicle on complex road surfaces are improved.

The invention discloses a dual-redundancy CPU control panel based on a DSP and a CPLD, which comprises a main board and a backup board which are mutually independent. The backup board is a hot backupCPU control panel of the main board, and the main board and the backup board exchange fault state information and a switching instruction through an RS422 bus 3; the main board and the standby board simultaneously obtain the discrete quantity and the analog quantity of the equipment on the airplane through the discrete quantity acquisition module and the analog quantity acquisition module; and theCPLD device on the standby board is connected to the CPLD device of the main board through two discrete magnitude output lines and is used for resetting the main board. According to the technical scheme that the redundant backup is used for improving the reliability of the system, the backup is conducted on key components in the system, when the key components break down, the faulted components are isolated, and the standby components are started, so that the normal operation of the system is guaranteed, and the reliability level of the system is improved.

A flat sheet of paper, or other thin flexible material, has information printed on one side in the form of a plurality of discrete panels or areas of text or images, while the entire other side is taken up by a large-scale, poster-like pattern. The panels or areas of text or images, are defined by crease lines created by folding the sheet of material. These creases are formed using a perpendicular fold method described in detail in this application. Each fold is perpendicular to the previous fold, creating a grid-like pattern, with each panel in the grid pattern containing a discrete quantity of text or images. When the invention is at its most folded state it has a relatively compact size. As the invention is unfolded, the panels of text or images are revealed in a specific sequence in order to tell a story or communicate some other type of sequentially ordered information. Once the entire sequence of information has been unfolded, the poster-like pattern on the back side of the sheet of material is unfolded and can be viewed and/or displayed.

The invention relates to a circuit and method for processing general discrete magnitudes. The circuit comprises a configuring module, a first comparator, a second comparator, a first data register, a second data register and a logic circuit, wherein the configuring module is used for configuring reference voltages according to the types of the discrete magnitudes, the anisotropic input end of the first comparator is connected with a first reference voltage vrefA, the second comparator is connected with a second reference voltage verfB, and the first comparator and the second comparator are respectively connected with (n-1) paths of discrete magnitudes. The first comparator is connected with the first data register, and the second comparator is connected with the second data register. The first data register is used for storing a comparison result, the second data register is used for storing a comparison result, and the logic circuit is used for comparing the results, conducting a logical operation according to parity and outputting an (n-1) bit operation result. According to the circuit and method for processing general discrete magnitudes, the reference voltages are configured according to the types of the discrete magnitudes existing in the system, and the discrete magnitude processing result is identified through logical processing.

The invention relates to the unmanned aerial vehicle field and more particularly to a modularized unmanned aerial vehicle flight control and management system. The system comprises two flight control and management computers and at most fourteen interface modules. The bus module comprises a FlexRay bus A/B channel, two active star shaped connectors and as many as 16 bus connectors with a start shape and bus type mixed topology structure. Each flight control and management computer is provided with a FlexRay bus interface and four channels of discrete quantity specialized to acquire the address coding information; each interface module is provided with a FlexRay bus interface and four channels of discrete quantity specialized to acquire the address coding information; the flight control and management computers and the interface modules are connected to the FlexRay bus through the bus and according to the address coding information, its functional areas are determined and corresponding software is run. The invention provides an unmanned aerial vehicle flight control and management system with good interchangeability and maintainability.

The invention provides a horizontal cervical vertebra intermittent traction table and relates to a clinically-applied physiotherapy device. The intermittent traction table structurally comprises a physiotherapy bed and a cervical vertebra tractor fixedly installed on the physiotherapy bed, wherein the cervical vertebra tractor consists of a traction mechanism, a head and neck supporting mechanism, a detection device and an air pump. By controlling a pneumatic actuating mechanism, namely a small air cylinder, continuous traction under the given system pressure, pressure maintenance under the designated pressure and continuous traction and pressure maintenance hybrid intermittent traction under the situation that the set system pressure is gradually increased according to discrete quantity are achieved. In addition, the intermittent traction table has multiple automatic protection functions of preventing the dangers caused by a too large traction force, enables patients to accept traction treatment in multiple different traction modes and accordingly does not hurt the ligaments and muscles of the necks of patients in the traction treatment process.