The invention relates to an optical pickup for an optical recording medium (1), an electrically controlled diffraction grating (11) suitable for use in such a pickup, and to an apparatus for reading from and/or writing to optical recording media (1) using such an optical pickup or diffraction grating (11). According to the invention, an optical pickup for optical recording media (1) having two or ...

The invention relates to a high-temperature superconductive cable coiler, which comprises track (500), back support (200) for fixing the ball lead screw (400) and superconductive cable, front back support (800) for fixing cable, insulated band lapping machine (700), and superconductive coiling machine (600), wherein the invention also provides a relative method which comprises: lapping the coiled ...

The invention relates to a method for selecting the service node according to the load condition, which uniformly divides the load of each node into at least one load levels, while the present load condition of each node is relative to one load level, wherein the LCDN obtains the load level of each node, based on which, to confirm the select probability of each node; then based on the probability,...

Propylene homopolymers useful in the manufacture of biaxially oriented films are provided. More particularly, the propylene homopolymers of the present invention are useful as core material for a multilayer biaxially oriented film. The propylene homopolymers of the present invention attain these properties by control of the average meso sequence length, Nm, in the xylene insoluble phase of the pol...

A shrinkable film having excellent dimensional stability at 60 DEG C and satisfactory shrinkability at 100 DEG C and 120 DEG C. It is a low-temperature shrinkable film comprising at least one layer which comprises at least one ethylene/alpha-olefin copolymer (A) having a density of 0.870 to 0.920 g/cm<3> and at least one ethylene copolymer (B) which, in the second melting behavior in an examinatio...

Foamable compositions which are usable for the manufacture of foamed, flexible, heat resistant, thermoplastic elastomeric articles, and which comprises at least: (a) 100 pbw of one or more selectively hydrogenated block copolymers, (b) 5 to 50 pbw per 100 pbw of component (a) of one or more different selectively hydrogenated block copolymers, (c) 42 to 80 pbw per 100 pbw of component (a) of a line...

The present invention provides a downhole method and apparatus using molecularly imprinted polymers (MIP) to analyze a downhole fluid sample or determine the percentage of oil based mud filtrate contamination in a formation fluid sample.

The present invention relates to a method for detecting the occurrence of fraud in commercial transactions. The present invention is a method of tracking and tracing marked articles through the flow of commerce wherein information obtained from markers is stored in a covert memory and analyzed as to authenticity. The present invention is also a method for determining trends in fraudulent activity ...

A method and system for the loading of patrons at multiple attractions at an entertainment includes the first-in first-out line and a priority based line. A cellular telephone is used to obtain and claim priority status. In other forms different priorities are established based on where, when and the number of priority spaces required. Different hierarchies are established for computer controlling...

A recording/reproducing method includes: a step of repeating a recording operation or reproduction operation to/from an optical disc n times (n is an integer not smaller than 2) while changing the recording/reproduction condition stepwise and monotonously m times (m is an integer not smaller than 2); a step of calculating m averaged index values obtained under the same recording/reproduction condi...

A photoelectric transducer (12) comprises a board (8), which carries at least an optical sensor (9) on one face, and a spacer (7) defining a recess that houses the optical sensor (9). The recess is at least partly filled with an optical glue (11). To mount the transducer (12) in an optical pick up for an optical disc, the spacer (7) is fastened to an optical body (1) of the pick up.

It is necessary to minimize the costs needed to establish a physical distribution tracking system in order to maximally reduce the physical distribution costs leading to the increase in product costs when establishing the physical distribution tracking system for confirming container information in real time including information on a position and sealing state of a container. According to the pre...

The utility model relates to an electromagnetic brake which belongs to the technical field of the brake. The utility model comprises a brake plate, an armature, a magnetic yoke and a bearing, wherein the brake plate is used for being fixed with a rotor shaft of a brake motor; one side of the armature is provided with a friction plate, and the armature is freely sheathed on an axle bed of the brake...

The present invention provides a masterbatch method for producing a polyester resin and articles thereof; comprising reacting following materials uniformly at a temperature equal to or greater than the melting point of a polyester, the materials comprising: (1) 100 parts by weight of saturated straight-chain polyester A; (2) 1 to 10 parts by weight of binder masterbatch D comprising: a mixture con...

Compacted superabsorber (I), obtained by subjecting a composition containing synthetic superabsorber particles, more than 5% of which show a particle size of 250 microns or less to a specific contact pressure of at least 3 kN/cm or a pressure of at least 3 kN/cm<2>. Independent claims are also included for (1) a method (M1) as described above for the production of (I); (2) a method for the produ...

The invention relates to a foam for purifying and filtrating air, particularly filtrating toxic compounds, such as for instance tar and polycyclic aromatic hydrocarbons (PAHs) from tobacco smoke, and to a method to prepare this foam. The foam according to the invention is a foam comprising cavities and interstitial spaces situated outside of the cavities, the cavities being defined by walls, the w...

The present invention relates to porous beads and to methods of production thereof, in particular to a method of producing hydrophilic polymeric beads by freeze-drying a droplet containing a polymeric material in a continuous phase of an oil-in-water (O/W) emulsion.

The present invention relates to aqueous dispersions for solid phenolic antioxidants, wherein the antioxidants are dispersed in the aqueous phase with polyvinyl alcohol as dispersing agent. The invention also relates to a process, which comprises stabilising a polymer material against oxidative, thermal or light-induced degradation by adding to the polymer the aqueous dispersion.

Compositions are provided that are effective at bonding elastomers and at protecting corrosion-susceptible substrates from corrosion. Further provided are composite articles in which an elastomer substrate is bonded to at least one other substrate with such compositions.

A gear mechanism or motor includes a shaft, and output rotary bodies which are in engagement therewith. The bodies interact with the shaft in the radial direction, by bearing against the shaft, and interact in the axial direction of the shaft with an upper guideway body which can move in the axial direction and is loaded toward the bodies. An interaction region of the shaft has a circular cross se...