Abstract: A method and apparatus for applying a current to a shape memory alloy of an actuator; determining a first resistance of the shape memory alloy; determining, after measuring the first resistance, a second resistance of the shape memory alloy; performing a comparison between the first resistance and the second resistance to detect a resistance change; and ceasing, based on detection of the resistance change, application of the current to the shape memory alloy.

Abstract: A method and apparatus for applying a current to a shape memory alloy of an actuator; determining a first resistance of the shape memory alloy; determining, after measuring the first resistance, a second resistance of the shape memory alloy; performing a comparison between the first resistance and the second resistance to detect a resistance change; and ceasing, based on detection of the resistance change, application of the current to the shape memory alloy.

Abstract: In a method of active pen signal detection, a signal is received from an active pen, wherein the active pen is configured for use with a capacitive sensing input device. At least one of downconverting and aliasing is performed on the signal to achieve a resulting signal. Presence of one of a plurality of possible resulting signal frequencies present in the resulting signal is detected. The detected resulting signal frequency is associated with a particular one of a plurality of possible transmission frequencies of the signal, and each of the plurality of transmission frequencies of the signal represents information about operation of the active pen.

Abstract: In a method of determining noise templates for use in capacitive sensing, a plurality of changes of capacitance are acquired, which include noise components, from a plurality of sensor electrodes in a sample capacitive sensor. Each of a plurality of substantially orthogonal noise templates is determined based on the acquired plurality of changes in capacitance. Multiple substantially orthogonal noise templates are selected, from the plurality of substantially orthogonal noise templates, to be used as a set of substantially orthogonal noise templates for reduction of the noise components of the acquired plurality of changes of capacitance.

Abstract: In a method of active pen signal detection, a signal is received from an active pen, wherein the active pen is configured for use with a capacitive sensing input device. At least one of downconverting and aliasing is performed on the signal to achieve a resulting signal. Presence of one of a plurality of possible resulting signal frequencies present in the resulting signal is detected. The detected resulting signal frequency is associated with a particular one of a plurality of possible transmission frequencies of the signal, and each of the plurality of transmission frequencies of the signal represents information about operation of the active pen.

Abstract: In a method of determining noise templates for use in capacitive sensing, a plurality of changes of capacitance are acquired, which include noise components, from a plurality of sensor electrodes in a sample capacitive sensor. Each of a plurality of substantially orthogonal noise templates is determined based on the acquired plurality of changes in capacitance. Multiple substantially orthogonal noise templates are selected, from the plurality of substantially orthogonal noise templates, to be used as a set of substantially orthogonal noise templates for reduction of the noise components of the acquired plurality of changes of capacitance.

Abstract: A processing system for capacitive sensing includes functionality for obtaining, based on resulting signals, first capacitive sensor data by performing capacitance sensing with sensor electrodes and a transmitter electrode, the sensor electrodes configured to receive the resulting signals from the transmitter electrode. The processing system further includes functionality for obtaining a profile using the sensor electrodes, estimating an interference measurement based on the first profile. The profile is along a receiver axis of the capacitance sensing, and the interference measurement corresponds to interference. The effects of the interference are mitigated in the first capacitive sensor data using the interference measurement to obtain second capacitive sensor data, and positional information of an input object in a sensing region is determined using the second capacitive sensor data.

Abstract: A device and method for operating a capacitive input device configured to sense input objects and their applied force in a sensing region, the device including a deformable substrate having an input surface; a first array of sensor electrodes; a second array of sensor electrodes; a third array of sensor electrodes positioned underneath the first and second arrays such that, in response to force applied by an input object to the input surface, at least one electrode of the first array deflects relative to the second and third arrays.

Abstract: Process for the preparation of (cyclo)aliphatic uretdiones of improved color quality by reaction of (cyclo)aliphatic diisocyanates, if desired in an inert solvent, with the aid of from 0.5 to 3% by weight of a catalyst of formula (I) in the presence of from 0.

Abstract: Pulverulent compounds of outstanding thermal stability and solvent resistance are provided which are based on epoxy resins having more than one 1,2-epoxide group and one or more hydroxyl groups in the resin molecular chain, curing agents and optionally, one or more conventional auxiliaries and additives, wherein the curing agents contain one or more polyisocyanates which are blocked with inert blocking agents and with cyclic amidines of the general formulae I and/or II ##STR1## wherein R is as described herein, at an OH:NCO ratio of from 1 -0.1 to 1:1, the content of cyclic amidine in bound form is from 2 to 9% by mass, based on the epoxy resin employed, and the hardener contains from 0.9 to 0.3 mol of inert blocking agents and from 0.1 to 0.6 mol of cyclic amidines per NCO group, the preparation of these pulverulent compounds and their use as one-component adhesives.

Abstract: Heat-curing one-component adhesives which are based on polyurethanes derived from A) a hardener component comprising polyaddition products containing hydroxyl and uretdione groups, B) a binder component comprising 1,2-epoxide compounds having more than one 1,2-epoxide group and one or more hydroxyl groups in the molecule, optionally C) further hydroxyl-containing compounds and optionally D) auxiliaries and additives known from adhesives technology; a process for preparing these compounds and to their use as heat-curing, one-component, solvent-free, thermally stable and solvent-resistant polyurethane (PU) adhesives which do not give off elimination products.

Abstract: Uretdione-functional polyaddition compounds of the formula: ##STR1## where: ##STR2## R.sup.1 is R or linear, branched or cyclic alkylene radicals of 2-16 carbon atoms,R.sup.2 and R.sup.3 are identical or different hydrocarbon radicals of 1-14 carbon atoms,R.sup.4 is R.sup.

Abstract: The invention relates to cold-curing, low-solvent or solvent-free 2-component polyurethane/polyurea compositions comprising a reaction product of:a) a diamine of the following composition ##STR1## where R is a linear, branched or cyclic alkylene radical having 2-16 carbon atoms which may be optionally substituted by C.sub.1 -C.sub.4 alkyl, wherein in said alkylene radical 1-3 CH.sub.2 groups may optionally be replaced by ##STR2## groups; and b) one or more NCO prepolymers prepared from reaction of one or more linear, branched or cyclic aliphatic isocyanates and one or more branched polyetherpolyols or polyesterpolyols, wherein the NCO prepolymer has an NCO functionality .gtoreq.2;wherein reactants a) and b) are reacted in an NCO:NH equivalent ratio of (1.5-1):1 and their use as coatings and reaction coating materials.

Abstract: A liquid one-component PU stoving enamel is provided along with its synthesis, where the stoving enamel containsa) a hydroxyl-containing polymer;b) a partially or totally blocked isophorone-based polyisocyanate containing uretdione groups;c) an organic bismuth compound catalyst, andd) an organic solvent or mixture of two or more organic solvents,wherein components a and b are present in a total (a+b) amount of from 40 to 70 parts by weight based on total composition weight, component c is present in an amount of from 0.5 to 5 parts by weight based on total composition weight; and component d is present in an amount of from 30 to 60 parts by weight based on total composition weight; andwherein a and b are each present in amounts sufficient to provide an OH/NCO equivalents ratio of from 0.8 to 1.2 NCO equivalents of component b per OH equivalent of component a.

Abstract: A flexible epoxy resin system is prepared by incorporating a combination of hardeners (A) and (B) in an epoxy resin, wherein the amounts of the two hardeners are varied to adjust the flexibility of the epoxy resin.

Abstract: The invention relates to a new polyamine of the following composition: ##STR1## wherein 1.gtoreq.n.gtoreq.6, R represents the hydrocarbon radical of a (cyclo)aliphatic, araliphatic or aromatic diisocyanate having 6-20 C atoms or a trimer thereof andwherein when 2.gtoreq.n.gtoreq.6,R.sup.1 represents an n-valent organic radical such as is formed by removal of n OH groups from a polyhydroxy compound which optionally contains ether oxygen atoms and has an average molecular weight Mn of between 60 and 5,000; andwhen n=1,R.sup.1 represents ##STR2## It furthermore relates to a process for the preparation of a polyamine, in which certain diisocyanates, adducts of diisocyanates with polyols or trimers thereof are reacted with the Schiff base of the following composition: ##STR3## wherein R.sup.2 =H or a branched or unbranched C.sub.1-14 -alkyl radical and R.sup.3 =a branched or unbranched C.sub.1-14 -alkyl radical, an C.sub.1-14 alkyl-substituted phenyl radical or a C.sub.1 -C.sub.

Abstract: The invention relates to an azomethine of the following composition: ##STR1## in which R.sup.1 is H or a branched or unbranched C.sub.1-14 -alkyl radical, andR.sup.2 is a branched or unbranched C.sub.1-14 -alkyl radical, an C.sub.1-14 alkyl-substituted phenyl radical or a C.sub.1 -C.sub.8 -(cyclo)-alkyl radical.It further relates to a process for preparing an azomethine, in which ##STR2## is reacted with the corresponding carbonyl compounds ##STR3## The invention also relates to the use of the azomethines for the preparation of certain polyazomethines (poly-Schiff bases), where the azomethines are reacted with diisocyanates or their adducts with polyols or their trimers, and to polyazomethine compounds.

Abstract: A polyurethane one-component heat-curing coating which is stable in storage and is hardened above a temperature of about 120.degree. C., comprising a polyol compound having a low glass transition temperature, and a blocked polyisocyanate compound, wherein the blocked polyisocyanate compound is the reaction product of a polyisocyanate compound and a secondary amine compound having the formula: ##STR1## wherein R is selected from the group consisting of hydrogen atom, C.sub.3 -C.sub.9 alkyl radical, unsubstituted cycloalkyl radical, cycloalkyl radical substituted by C.sub.1 -C.sub.4 alkyl radicals, or heteroatom-containing cycloalkyl radical, wherein each R is identical to or different from each other; R.sup.1 is selected from the group consisting of alkyl radical, or cycloalkyl radical, wherein each R.sup.1 is identical to or different from each other; or R and R.sup.1 are chemically bonded therebetween, thereby forming a ring structure.

Abstract: A powdery polyurethane lacquer which comprises (a) a hydroxyl-group containing polyester resin with an OH number of 40-240 and (b) an .epsilon.-caprolactam-blocked polyisocyanate, selected from the group consisting of triisocyanatoisocyanurate of 3-isocyanatomethyl-3,5,5-trimethylcyclohexylisocyanate and mixtures of said triisocyanatoisocyanurate with monomeric or oligomeric 3-isocyanatomethyl-3,5,5-trimethyl-cyclohexylisocyanate; wherein the .epsilon.-caprolactam-blocked triisocyanatoisocyanurate has at least two blocked isocyanate groups and wherein the .epsilon.-caprolactam-polyisocyanate is present in an amount sufficient to cause hardening of said mixture of (a) and (b). The lacquer is especially useful for electrostatic coating of substrates.

Abstract: A method for the production of single-component polyurethane lacquers which comprises:reacting (1) a polyester having an OH-functionality of at least 2, an OH-count of 70-150 mg KOH/g and a molecular weight of about 800-2500, derived from (A) an acid selected from the group consisting of ortho-, meta-, and para-dicarboxylic acids, 1,2,5-bezenetricarboxylic acid, 1,3,5-benzenetricarboxylic acid, C.sub.1 -C.sub.4 alkyl esters thereof and mixtures thereof and (B) a glycol with a heteroatom-free chain which chain consists of 5-8 carbon atoms with(2) a dimethylketoxime-blocked cycloaliphatic polyisocyanate; wherein the equivalence ratio of said OH groups to said blocked isocyanate groups is 1.0:0.7 to 1.0:1.1.