Abstract: Glass melting furnace comprised by several sections which are built entirely with refractory concrete of diverse refractory materials according to operation conditions, chemical environment, temperature, and mechanical load to which its several sections are exposed, as well as to the material thickness required, to assure an structural integrity and durability similar to the ones of furnaces of conventional design as well as a lower investment cost.

Abstract: The present application describes a device and method for repairing dropped stitches and for correcting errors in previously knitted rows in a knitted article. The knitting repair tool of the present invention comprises a first hook and a second hook at opposite ends of a relatively short elongated shaft for recovering a first stitch and for recovering a second stitch in a knitted article, wherein the second stitch is recovered after the first stitch has been recovered, without releasing the recovered first stitch from the knitting repair tool. The present invention describes various methods for repairing dropped stitches in a knitted article wherein a first dropped stitch that is recovered is not released prior to recovering a second dropped stitch.

Abstract: A method of braking a washing machine from an operational speed to a zero speed is provided (as well as a washing machine incorporating the method) for a washing machine driven by one of a synchronous or asynchronous motor. Upon receipt of a stop signal, collapsing the motor rotating magnetic fields are collapsed for a predefined time period. After the predefined time period, DC braking voltage is applied to the motor stator windings at a controlled ramp-up rate to a fixed amplitude to generate a controlled ramped braking torque on the motor. The braking torque is applied until the motor is stopped.

Abstract: Provided is a washing and drying machine (1), including: a dewatering tub (30); a blower path (71) leading to the dewatering tub (30); another blower path (81) leading to an outside of the washing and drying machine; an ion generator (75) for generating ions having sterilizing and deodorizing actions, the ion generator (75) being arranged on the blower path (71); blower means (70) for blowing the ions generated from the ion generator (75); blower-path switching means (76) for switching the blower path leading to the dewatering tub (30) and the another blower path leading to the outside of the washing and drying machine to each other; and control means (51) for activating the ion generator (75), the blower means (70), and the blower-path switching means (76) in a predetermined mode based on an operation condition of the washing and drying machine (1).

Abstract: A liquid additive dispensing apparatus for dispensing a liquid additive into a washing machine having a tub accommodating a fluid and a basket rotatably disposed in the tub. A storage container is provided for storing the liquid additive. A tube is used to implement a fluid communication between the storage container and the tub. The tube has an inlet coupled to the storage container and an outlet coupled to the tub. The apparatus further has a venturi member arranged in the tub and in fluid communication with the outlet of the tube. The venturi member creates a venturi effect at the outlet of the tube when the wash basket rotates in the tub to send water or air into the venturi member, so that a reduced pressure is created at the outlet to suck the liquid additive from the storage container to the tub.

Abstract: A padlock protector and method of use includes a padlock cover assembly having a padlock cover for receiving therein a padlock. The assembly may include a lanyard connected to the padlock cover whereby the cover may hang from the lanyard when the lanyard is connected to a support structure. The assembly may also include a connecting member connected to the cover and configured to connect to a lock shank of the padlock.

Abstract: An improved T-handle lock assembly for locking a movable member to a stationary member. The lock assembly includes a T-handle lock having a threaded shaft extending therefrom. The threaded shaft is provided with a carriage mounted thereon, the carriage provided with a pair of spaced apart rollers, all mounted on the moveable member. The stationary member is provided with a plate having a carriage receiving opening formed therein. The rear surface of the plate has a pair of opposed ramp surfaces formed thereon which accepts the rollers of the carriage to ride thereon between an open ramped down position to a closed ramped up position. The rear surface of the plate also includes stop means to form a stop position when the carriage has been rotated from the open ramped down position to the locked ramped up position.

Abstract: An electronic lock is provided for removably securing a movable item to a structure, the electronic lock comprising first and second complementary cooperating member, each mounted to a respective one of the movable item and the structure and being engageable together in a lockable position and a securing assembly for securing the first and second connecting member together when engaged in the lockable position, wherein the securing assembly comprises inter alia a position detecting means, an electronic control means, an actuator, a locking aperture and a movable locking member.

Abstract: A security device for use in association with a security pin includes a tag body, at least one sensor, a spring lock and a magnetic lock. The tag body has a body aperture formed therein adapted to receive the security pin. The spring lock and magnetic lock are situated within the tag body. The spring lock has a spring lock aperture formed therein and the magnetic lock has a magnetic lock aperture formed therein each in registration with the body aperture. The spring lock and the magnetic lock are each adapted to engage the security pin when in an engaged position and release the security pin when in a released position. The spring lock and the magnetic lock need to both be in the released position to successfully remove the security pin form the security device.

Abstract: Electromechanical lock and its operation method. The lock includes a power transmission mechanism to receive mechanical power produced by a user of the lock; a generator to produce electric power from the mechanical power; an electronic circuit, powered by the electric power, coupleable with a key, to read data from the key, and to issue an open command provided that the data matches a predetermined criterion; an actuator, powered by the electric power, to receive the open command, and to set the lock in a mechanically openable state; and a threshold device to control the power transmission mechanism so that a mechanical tension rises until a predetermined force threshold is exceeded, whereupon the mechanical tension transforms to an action producing the mechanical power received by the power transmission mechanism.

Abstract: A motor vehicle lock containing mechanical locking elements and/or latching elements as well as electrical, electromotive, and/or electronic components that interact with the mechanical locking elements and/or latching elements, wherein the electrical, electromotive, and/or electronic components are attached to a part of a housing (10), wherein an electric line attached to the part of the housing (10) is connected to at least one of the electrical, electromotive, and/or electronic components, wherein the electric line comprises a single-strand or multi-strand, flexible cable, wherein a cable path (19a, 19b) of the cable (8) passes through a cable conduit (15) disposed in the part of the housing (10), wherein the cable conduit (15) comprises a permanently, plastically-deformed material, at least at one side of the cable path (19a, 19b), whereby a deformation (V) in the material immobilizes the cable (8) in the cable conduit (15).

Abstract: A continuous method and a production device for producing hydrolysis-resistant stable ionic titanium (Ti4+) are provided. The method comprises six steps: (i) carrying out redox reaction between metal titanium and excess strong acid; (ii) carrying out primary chelation; (iii) diluting; (iv) adjusting pH value for the first time; (v) carrying out secondary chelation; and (vi) adding microelement and adjusting pH value for the second time. The device includes a reaction kettle, multiple metering pumps, a chelation kettle, dilution tank, multiple precise mixing reaction kettles, the first chelator storage tank, a pure water storage tank, an alkali liquor storage tank, the second chelator storage tank, multiple microelements storage tanks, a control center, etc. The method uses a multi-points, spiral, reverse and atomization spraying technique synchronously to carry out digital full automatic continuous production and reach the effect of elaborately mixing the material.

Abstract: A controlled release fertilizer material comprising a particulate plant nutrient surrounded by, a coating of a mixture including an isocyanate and a polyol, and further comprising a modified wax that may include a polyhydroxyt compound in which the wax and/or the polyhydroxyl compound are cross-linked with a sulfur or oxygen or a peroxide cross-linking moiety. In certain embodiments, the wax and polyhydroxyl compound are cross-linked at unsaturated sites in the wax or polyhydroxyl compound using heat, UV or ionizing radiation.

Abstract: A controlled release fertilizer material comprising a particulate plant nutrient surrounded by a coating which is the reaction product of a mixture including a cross-linked polyol, an isocyanate and a wax is described. The cross-linked polyol is a reaction product of a polyhydroxyl compound, such as glycerol, and a triglyceride and the monoglyceride and/or diglyceride products are cross-linked with sulfur, oxygen and/or a peroxide cross-linking moiety, or are directly cross-linked at unsaturated sites in the monoglycerides and/or diglycerides.

Abstract: A controlled release fertilizer material comprising a particulate plant nutrient surrounded by a coating including a mixture of a cross-linked polyol and an isocyanate, and optionally a wax, is described. In some embodiments, the cross-linked polyol can be cross-linked with sulfur, oxygen, and/or a peroxide cross-linking moiety. In one embodiment the cross-linked polyol is castor oil cross-linked with sulfur.

Abstract: A metal forming process involves applying a lubricant, formed from a vitreous enamel mixed with particles of boron nitride, to at least one surface of a sheet metal blank, and without pre-heating the sheet metal blank, placing the sheet metal blank having the lubricant applied to the surface(s) thereof into a pre-heated forming tool so that the at least one surface contacts a surface of the forming tool. The method further involves, via the pre-heated forming tool, forming the sheet metal blank into a desired part shape, and during such forming, forming a lubricant layer on the surface(s) as the lubricant is heated from the pre-heated forming tool, the lubricant layer adhering to the surface(s) of the sheet metal blank.

Abstract: The disclosure relates to a cold rolling fluid, including: (a) a hydrocarbon base including at least 50 wt % of isoparaffins; (b) one or more frictional modifiers selected from among fatty alcohols, fatty acids, fatty amines, fatty acid esters, or polymer esters resulting from the esterification of alpha-olefin copolymers and dicarboxylic acids using alcohols; and (c) one or more phosphorous anti-wear and/or extreme pressure additives. The disclosure also relates to an emulsion containing the rolling fluid and to the use of the rolling fluid for cold-rolling steel.

Abstract: An electrode assembly for electro-hydraulic forming tool in which the insulation sleeve is assembled over an electrode rod. The insulation sleeve has a deflection surface that is beveled or oriented at an angle relative to the axis of the electrode rod. The electrode assembly may include a replaceable conical receptacle that facilitates placement of an electrode tip an insulation sleeve tip. An electrode tip profile that is shaped to minimize erosion caused by discharge of the electro-hydraulic forming machine.

Abstract: The present invention relates to a method of manufacturing magnesium alloy processing materials capable of improving low cycle fatigue life. The manufacturing method for magnesium alloy processing materials with improved low cycle fatigue life comprises pre-straining a magnesium alloy processing material which is processed.

Abstract: A pipe repair tool includes at least two saddles having an actuatable cylinder disposed therebetween and configured to fit within the pipe, the at least two saddles having arcuate surfaces configured to correspond with a circumference of the pipe.

Abstract: A pipe repair tool includes at least two saddles having an actuatable cylinder disposed therebetween and configured to fit within the pipe, the at least two saddles including arcuate surfaces configured to correspond with a circumference of the pipe.

Abstract: A hollow component is adjusted in shape, for example to correct circularity, by means of a shape adjusting tool. The tool comprises a base structure 2 on which adjuster elements 6 are guided. An adjustment ring 8 has a ramp surface 26 corresponding to each adjuster element 6 so that rotation of the adjustment ring 8 causes radial displacement of the adjuster elements 6. The adjuster elements 6 are displaced in unison, and engage the internal surface of the component to be adjusted so as to deform the component to the desired shape. The segments 20 are interconnected by rigid links 32 and a single flexible link 34, and are supported on baring rollers 36 mounted on the base structure 2.

Abstract: A ball joint 10 includes a first member 12 having a ball section 14 and a second member 15 having a socket 16. Ball section 14 is accommodated and supported inside socket 16. A pair of dies 20, 30 sandwich a wall 18 surrounding an opening 17 of the socket 16, and are configured to approach each other gradually, utilizing small repetitive vibrations that include an approaching and separating action, thereby intermittently pressing the wall in an inward radial direction. During each interval of the intermittent pressing action, a supporting and rotating device 40 rotates socket 16 (second member 15) in small increments about a central axis C2 of socket 16. Consequently, dies 20 and 30 successively press against a multitude of points on the circumference of the outer surface of wall 18 of the socket, thereby bending wall 18 inward so as to reduce the diameter thereof.

Abstract: Provided is a forming die, including a movable supporting member, a movable die, a fixed supporting member and a fixed die. The movable supporting member disposes an oblique sliding groove. The movable die disposes an oblique guiding surface engaged with the oblique sliding groove. The movable die disposes a forming portion, which includes a forming base and a protruding portion extending downward from the forming base. The movable die can tilted move along the oblique sliding groove. The fixed die disposes a flange having a high point. The forming die of the present invention employs the movable die tilted moving along the oblique sliding groove to make the protruding portion extend into the back space of the high point, so that no gap exists between a bending portion of a terminal and the flange for obtaining the bending portion having a large bending degree and having a stable size.

Abstract: A method is provided for compensating measuring errors for handling equipment with a drive carrier that includes a carrier part and driven drums for moving the steel cables arranged thereon and including a handling receptacle in which the handling receptacle is suitable for picking up loads and is connected to the carrier part by deflection pulleys via the support cables and a controllable lever mechanism that is at least connected to at least two support cables and with at least two force sensors that capture the forces of at least two support cables and a monitoring device that monitors the forces of the at least two force sensors. An adjustment angle of the controllable lever mechanism is captured by sensors and a correction of the cable forces based on the captured adjustment angle is carried in the monitoring device.

Abstract: Provided are a wind tunnel balance calibrator capable of improving accuracy of attitude control of a wind tunnel balance, and a wind tunnel balance calibrator which can ensure a wide work space around the wind tunnel balance. A wind tunnel balance calibrator includes a load application mechanism for applying a load to a wind tunnel balance and an attitude restoration mechanism for restoring an attitude of the wind tunnel balance. The attitude restoration mechanism is constituted by a parallel-link mechanism including a support plate for supporting the wind tunnel balance, and actuators capable of displacing the attitude of the support plate with six degrees of freedom.

Abstract: A method for synchronizing the measurements obtained, over a given period, from a number of measurement acquisition means for acquiring measurements of characteristics associated with the stresses withstood by a tire fitted on a running vehicle. The measurement acquisition means are brought into operation independently of one another and at least one indexing at a given instant of the measurements from each of said means is created relative to a time-measuring reference means.

Abstract: A mouth guard comprises a base member configured to fit inside the mouth of a user, and at least one shock-sensing and indicating device coupled to the base member. In one exemplary embodiment, the shock-sensing and indicating device is a passive shock-sensing and indicating device that detects a shock substantially along a selected axis with respect to the base member. In another exemplary embodiment, the at least one shock-sensing and indicating device detects a shock substantially along a plurality of selected axes with respect to the base member, each selected axis being substantially orthogonal from another selected axis. The shock-sensing and indicating devices can be configured to detect different levels of shock. In one exemplary embodiment, the shock-sensing and indicating device comprises a multi-component chemical-reaction system, such as a chemi-luminescent reaction system.

Abstract: A mouth guard comprises a base member configured to fit inside the mouth of a user, and at least one shock-sensing and indicating device coupled to the base member. In one exemplary embodiment, the shock-sensing and indicating device is a passive shock-sensing and indicating device that detects a shock substantially along a selected axis with respect to the base member. In another exemplary embodiment, the at least one shock-sensing and indicating device detects a shock substantially along a plurality of selected axes with respect to the base member, each selected axis being substantially orthogonal from another selected axis. The shock-sensing and indicating devices can be configured to detect different levels of shock. In one exemplary embodiment, the shock-sensing and indicating device comprises a multi-component chemical-reaction system, such as a chemi-luminescent reaction system.

Abstract: A protector (100) of a gas sensor (1) includes an inner protector (120) and an outer protector (110). The inner protector accommodates a gas sensor element (10) and has a tubular side wall (122) having inner gas introduction holes (130), and a bottom wall (124). The outer protector has a tubular side wall (112) having outer gas introduction holes (115), a frustum-like taper wall (117) tapering frontward and an outer gas discharge hole (170) formed inside a front end edge (117s) of the taper wall. When SL represents an area defined by the front end edge of the taper wall, the area S of the opening of the outer gas discharge hole satisfies the relational expression 1/2×SL?S?SL. A cover portion (127) and a bottom wall (124) are partially away from each other along the axial direction, thereby forming side openings (162).

Abstract: This invention relates generally to gas sensors comprising organized assemblies of carbon and non-carbon compounds. The invention also relates to devices containing such gas sensors and analysis units. In preferred embodiments, the organized assemblies of the instant invention take the form of nanorods or their aggregate forms. More preferably, a nanorod is made up of a carbon nanotube filled, coated, or both filled and coated by a non-carbon material. The invention further relates to a method for detecting or quantitating an analyte gas.

Abstract: A tube weld seam test method and device for testing a tube weld seam (32) of a flexible tube (18) for leaks having: a first pinching device (10) and a second pinching device (12) for pinching closed the flexible tube (18) at a first position (A) and at a second position (B), the weld seam to be tested being arranged between the first and second positions (A; B); a compressing mechanism arranged for partly compressing a tube section enclosed between the first and second pinching devices (10; 12); and a pressure test device (14) arranged for testing an internal pressure of said tube section in order to test the tube weld seam for leaks.

Abstract: The invention relates to the integrity testing of a heat exchanger numeral 1 having a high-pressure section 2 and the low-pressure section 3 by using valves 5, 6, 11 and 12 it is possible to isolate the heat exchanger from the larger system or plant in which it is incorporated. Having isolated each section from the larger system the high-pressure section 2 is pressurised while maintaining the low-pressure section 3 and at this rate pressure. Then after a preset time the pressure in the low-pressure section 3 is measured and if it has raised then there is a leak. Similarly measuring a pressure drop in the high-pressure section 2 will provide the same result.

Abstract: A method for manufacturing an MEMS device is provided. The method includes steps of a) providing a first substrate having a concavity located thereon, b) providing a second substrate having a connecting area and an actuating area respectively located thereon, c) forming plural microstructures in the actuating area, d) mounting a conducting element in the connecting area and the actuating area, e) forming an insulating layer on the conducting element and f) connecting the first substrate to the connecting area to form the MEMS device. The concavity contains the plural microstructures.

Abstract: A rheometer or viscometer has a first measuring part and a second measuring part, between which a sample space for receiving a material sample is formed. By means of a drive device, at least the second measuring part can be rotated and/or can be oscillated, it being possible for the drive movement of the drive device to be transferred to the second measuring device via a transmission element. The drive device is arranged on the side of the first measuring part that is facing away from the second measuring part and the transmission element penetrates through the first measuring part, particularly at a through-bore.

Abstract: The invention relates to 2-{2-amino-3-[hydroxy(phenyl)methyl]phenyl}acetamide, a process for its preparation, and its use as a reference marker and reference standard for analyzing the purity of nepafenac.

Abstract: The present invention provides a method for evaluating lithographic characteristics of a lithographic composition containing a copolymer for lithography without actually preparing the composition. The method comprises the steps of: dissolving the copolymer for lithography in a solvent to prepare a test solution; separating a gel-like substance from the test solution; determining a rate of change of a composition ratio, wherein the rate of change of the composition ratio rate refers to a ratio of a difference obtained by subtracting a composition ratio of constitutional units in the copolymer for lithography from a composition ratio of constitutional units in a gel-like substance to the composition ratio of the constitutional units in the copolymer for lithography.

Abstract: When a deterioration determination apparatus determines a degree of deterioration in characteristics of an airflow meter, a driving condition of an engine is maintained at a specified condition in which intake air flow rate is greater than a specified value. A measurement error of the airflow meter is computed based on an intake air flow rate measured with the airflow meter. The degree of deterioration due to stain is determined based on the measurement error.

Abstract: A system for monitoring brake pad wear of a brake, including an apparatus for monitoring brake pad wear of a first type (total wear monitoring) and an apparatus for monitoring brake pad wear of a second type (final-position wear monitoring). The apparatus of the first type and the apparatus of the second type are connected by way of a connection element. The connection element is created for expanding the functionality of a device for brake pad wear monitoring of a brake, and is designed to establish a connection expanding the functionality of the device between an apparatus extending the functionality and a device whose functionality is to be expanded.

Abstract: A device for monitoring tire pressure includes an antenna for transmitting pressure data, a printed circuit board with a circuit for measuring and transmitting pressure data that is connected to the antenna, a power source for supplying the circuit, and a housing surrounding the printed circuit board, According to the invention, the housing is produced by insert-molding the antenna.

Abstract: The objective of the present invention is to provide an unexpected detecting apparatus enabled to evaluate an evenness of a compound coated on an electrode of a battery. The detecting apparatus (1) detects an evenness of a compound (12) coated on an electrode (10) of a battery, and includes a first sensor (20) for measuring a mass per unit area of the compound (12) in any points thereof, a second sensor (30, 50) for measuring a thickness of the compound (12) in the any points, and a holder (40, 60) for holding the first and second sensors (20, 30, 50), in which the first and second sensors (20, 30, 50) measure the mass and thickness at the same time, and the evenness is evaluated on the basis of the measured mass and thickness.

Abstract: Methods and apparatus for performing Distributed Acoustic Sensing (DAS) using fiber optics with increased acoustic sensitivity are provided. Acoustic sensing of a wellbore, pipeline, or other conduit/tube based on DAS may have increased acoustic sensitivity through fiber optic cable design and/or increasing the Rayleigh backscatter property of a fiber's optical core. Some embodiments may utilize a resonant sensor mechanism with a high Q coupled to the DAS device for increased acoustic sensitivity.

Abstract: A digitally based resistance element and a processor are used with a hotwire to provide a mass airflow (MAF) sensor. A temperature sensor can provide an input to the processor which can provide signals to the digital based resistance element. The digital based resistance element may be on a first leg of a Wheatstone bridge, the hotwire on a second leg. The output of the hotwire may be provided to the processor which can modify the output such as to more closely approximate a MAF curve, and/or to address step changes initiated by the digital based resistive element.

Abstract: The invention provides a vibrating fork level switch with alternative self-checking modes. The individual modes are user selectable and allow the switch to be readily adapted for use with liquids of differing viscosities. This, in turn, allows a wider range of failure modes to be determined.

Abstract: Provided are a liquid tank capable of reducing an influence of disturbance on measurement results and measuring accurate volume, and a fuel cell using the same. One face of a liquid container section is structured by a detector in which a first board to a fourth board each configured of a printed board are stacked in order. A pair of detection electrodes 12A and 12B are provided on a front face of the first board, and this pair of detection electrodes 12A and 12B are allowed to contact directly or indirectly to a liquid fuel inside the liquid container section to detect a stray capacitance. A back face side of the first board is disposed with the second board having a shielding electrode 22. Even when a hand or the like is brought close to the detector, the detection electrodes 12A and 12B are prevented from sensing the stray capacitance generated as a result.

Abstract: One end of a float arm is connected to a float and the other end thereof is rotatably supported by a housing made of insulating resin material. An electrically conductive portion, which is for example made of conducting resin material, is integrally formed with the housing and electrically connecting the other end of the float arm to a ground terminal which is fixed to the housing. A detecting circuit is accommodated in the housing. Electric charge generated at the float due to friction between the float and fuel is grounded to the earth via the float arm, the electrically conductive portion and the ground terminal, so that an adverse effect of the electric charge to the detecting circuit can be avoided.

Abstract: A solids circulation system receives a gas stream containing char or other reacting solids from a first reactor. The solids circulation system includes a cyclone configured to receive the gas stream from the first reactor, a dipleg from the cyclone to a second reactor, and a riser from the second reactor which merges with the gas stream received by the cyclone. The second reactor has a dense fluid bed and converts the received materials to gaseous products. A conveying fluid transports a portion of the bed media from the second reactor through the riser to mix with the gas stream prior to cyclone entry. The bed media helps manipulate the solids that is received by the cyclone to facilitate flow of solids down the dipleg into the second reactor. The second reactor provides additional residence time, mixing and gas-solid contact for efficient conversion of char or reacting solids.

Abstract: Technologies are generally described for effectively damping the vibration of a platform. In some examples, a platform system for minimizing shock to an object includes a base, a platform effective to carry the object, a number of actuators coupled between the platform and the base and being configured to adjust an orientation of the platform based on control signals, a number of accelerometers positioned on the base, and a processor coupled to the accelerometers and the actuators. The processor is programmed to collect acceleration data from the accelerometers, determine an acceleration vector of the platform from the acceleration data, compensate for the acceleration vector by determining travels and travel directions for the actuators in an effort to maintain contact between the platform and the object, and generate control signals to actuate the actuators with the travels in the travel directions.

Abstract: An angular velocity sensor includes a vibration, first and second sensor electrodes generating an electric charge responsive to an angular velocity applied to the vibration body, first and D/A converters each outputting at least two levels of an electric charge, first and second integrator circuits integrating the electric charge generated by the first and second sensor electrodes and the electric charges output from the first and second D/A converters, respectively, a comparator unit comparing output signals from the first and second integrator circuits, first and second D/A switching units switching levels of the output signals from the first and second D/A converters according to a comparison result of the comparator unit, a first disconnection detecting switch connected between the first sensor electrode and the first integrator circuit, a first voltage source for injecting an electric charge into a point between the first sensor electrode and the first integrator circuit via the first disconnection detec

Abstract: A method and apparatus for sensing movement resonates a primary member in a flexure mode at a given frequency, thus causing the primary member to have top and bottom portions that resonate at substantially about zero Hertz. The method also secures the bottom portion to a first substrate, and mechanically constrains the top portion while resonating in the flexure mode to substantially eliminate vibrations in the top portion. Finally, the method generates a changing capacitance signal in response to movement of the primary member. When generating this changing capacitance signal, the primary member resonates in a bulk mode at a given frequency.