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68results about How to "Absence" patented technology

Expandable stent having plurality of interconnected expansion modules

Expandable stents are disclosed. The stents have a plurality of rings or modules interconnected in series, with selectable links between the rings to provide for articulation. The preferred stent includes a plurality of modules, each of the modules being radially interconnected to form a ring configured to be expandably interconnected and being interconnected to each other in series by respective interconnection bridges. Each ring including a continuous strand of a material, the continuous strand of material being interconnected end to end so as to generally encompass a radial space within the ring. The strand of material being configured to include a repeating series of interconnected repeating W-shaped strand configurations having a repeating dip, rise, dip, rise, loop, dip, rise, dip, rise, loop patterned configuration. Preferably, the continuous strand of a material has an outer surface including cavities being at least partially filled with compositions containing medicinal agents selected to provide medically desirable effects upon positioning within a patient. Preferably, the continuous strand of a material has a series of narrowings that facilitate the bending of the strand. Alternate rings have at least one and preferably a number of expansion cells. The expansion cells preferably have at least one accordion structure on each side of the cell, which allows for significant expansion. The material of the respective stents being deformable such that each ring can be deformed from a first configuration wherein each ring has a first circumference and, in certain embodiments, each expansion cell has a first radial length, to a second configuration wherein each ring has a second circumference greater than the first circumference. Methods of producing the devices are also disclosed, including various etching methods.
Owner:STENT TECH

Apparatus and methods for performing acoustical measurements

Apparatus (15, 30) and methods for performing acoustical measurements are provided having some and preferably all of the following features: (A) the system (15, 30) is operated under near-field conditions; (B) the piezoelement (40) or piezoelements (40, 48) used in the system are (i) mechanically (41, 49) and electrically (13, 16) damped and (ii) efficiently electrically coupled to the signal processing components of the system; (C) each piezoelement (40, 48) used in the system includes an acoustical transformer (42, 50) for coupling the element to a gaseous test medium (9); (D) speed of sound is determined from the time difference between two detections of an acoustical pulse (81, 82) at a receiver (40, FIG. 3; 48, FIG. 7); (E) cross-correlation techniques are employed to detect the acoustical pulse at the receiver; (F) forward and inverse Fourier transforms employing fast Fourier transform techniques are used to implement the cross-correlation techniques; in such a mathematical manner that the peak of the cross-correlation function corresponds to the detection of a pulse at the receiver and (G) stray path signals through the body (31) of the acoustic sensor (15, 30) are removed from detected signals prior to signal analysis. Techniques are also provided for performing acoustical measurements on gases whose thermodynamic properties have not been measured and on mixtures of compressible gases. Methods and apparatus (29) for performing feedback control of a gas of interest in a mixture of that gas and a carrier gas are provided in which the controlled variable is the flow of the carrier gas.
Owner:VEECO INSTR

Apparatus and methods for performing acoustical measurements

Apparatus and methods for performing acoustical measurements are provided having some and preferably all of the following features: (1) the system is operated under near-field conditions; (2) the piezoelement or piezoelements used in the system are (a) mechanically and electrically damped and (b) efficiently electrically coupled to the signal processing components of the system; (3) each piezoelement used in the system includes an acoustical transformer for coupling the element to a gaseous test medium; (4) speed of sound is determined from the time difference between two detections of an acoustical pulse at a receiver; (5) cross-correlation techniques are employed to detect the acoustical pulse at the receiver; (6) fast Fourier transform techniques are used to implement the cross-correlation techniques; and (7) stray path signals through the body of the acoustic sensor are removed from detected signals prior to signal analysis. Techniques are also provided for performing acoustical measurements on gases whose thermodynamic properties have not been measures and on mixtures of compressible gases. Methods and apparatus for performing feedback control of a gas of interest in a mixture of that gas and a carrier gas are provided in which the controlled variable is the flow of the carrier gas.
Owner:VEECO INSTR

Method for producing a food product, food product and barm for producing said product (variants)

The invention relates to the food industry, particularly to the dairy industry, and can be used for putting into use some new food technologies and producing a large number of new food products noted for improved properties. The invention is directed to raising the physiological activity of food products, particularly of fermented milk products and to improving other properties thereof. In accordance with the invention, the proposed process for producing a product (variants) comprises: (1) combining a food base or at least one of its components with at least one physiologically acceptable carrier and/or with at least one its starting component, precursor; (2) combining the food base or at least one of its components with at least one microorganism or other biological system; (3) forming at least one "carrier-biocatalyst" system; (4) participation of at least part of the microorganisms and/or other biological systems of an immobilized biocatalyst in obtaining the final product due to metabolic processes, for example, due to microbial synthesis and/or transformation of the food base (substrate); (5) providing the presence of at least one formed immobilized biocatalyst in the composition of the product. The invention discloses also products obtained in accordance with the claimed process, that are called "biocatalyzed products", as well as starters for obtaining such products.
Owner:ZENOVICH SERGEI MIKHAILOVICH

Laser engraving machine, control system of laser engraving machine and operation method of laser engraving machine and control system

InactiveCN107470780AAbsenceRealize direct identificationLaser beam welding apparatusMachine controlMotor drive
The invention discloses a laser engraving machine. The laser engraving machine comprises a communication module, a scanning module, a central processing module, a motor driving module, a laser device driving module and a mechanical transmission structure module. The communication module is connected with the scanning module and the central processing module. The central processing module is connected with the motor driving module and the laser device driving module. The motor driving module is connected with the mechanical transmission structure module. The invention further discloses a control system of the laser engraving machine. The control system comprises an image editing module and an engraving machine control module, the image editing module is connected with the engraving machine control module, and the engraving machine control module is in communication connection with the engraving machine. The invention further discloses an operation of the laser engraving machine and the control system. A hardware part of the whole laser engraving machine is small in size, portable, stable in working, high in precision, low in cost and flexible in application, and secondary development is facilitated; and a software part of the laser engraving machine is easy to operate and humanized, convenience is provided for non-professional users, and the users can learn to operate the laser engraving machine easily.
Owner:NANJING INST OF MECHATRONIC TECH
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