Abstract: A solar air conditioning apparatus includes an inlet assembly (20), an outlet assembly (30), a solar collector assembly (10), connecting assemblies (50) and joining members (40). The solar collector assembly includes a plurality of parallel connected solar collectors (11) disposed between inlet units (22) of the inlet assembly and outlet units (32) of the outlet assembly. The solar collector includes a plurality of series connected solar collecting units (12). The solar collecting unit has a bottom plate (12d), a heat-absorbing plate (12f), a brace plate (12g) and a transparent panel (12a). The bottom plate and the heat-absorbing plate respectively have first and second fastening structures (123, 124) and first and second clasping structures (121, 122) for joining the solar collecting units together. The connecting assemblies series connecting the solar collecting units, the inlet and the outlet assemblies. The joining members parallel connecting the inlet units and the outlet units.

Abstract: A humidity controller includes a differential pressure detection means (93, 97) for detecting a difference between high voltage and low voltage in a refrigeration cycle of a refrigerant circuit (50) and a control means (30) for controlling the capacity of the compressor (53). The control means (30) reduces the capacity of the compressor (53) when a detected value of the differential pressure detection means (93, 97) exceeds a reduction threshold. Further, the control means (30) stops the compressor (53) when the detected value of the differential pressure detection means (93, 97) exceeds a stop threshold higher than the reduction threshold.

Abstract: A hybrid dehumidification system uses both mechanical cooling and ventilation to control humidity under control of a system which selects the best mode of operation under a given set of conditions. A purge mode using 100% outside air and exhaust is also supported to decontaminate a space. Either a single large plate heat exchanger or multiple small plate heat exchangers may be employed in the system.

Abstract: A storage compartment and an evaporator compartment communicating with said storage compartment via a cold air passage and a hot air passage and comprising an evaporator and a defrost heater. Said defrost heater, in a region adjacent to the hot air passage, has a higher heating power density than in a region adjacent to the cold air passage.

Abstract: The aim of the invention is to create a receptacle (4) which is used for evaporating condensed liquid on a small coolant compressor, allows the heat generated by the small coolant compressor to be utilized in an optimal way, and is easy and inexpensive to produce and mount on the compressor housing. The aim is achieved by embodying the receptacle (4) as a plastic part that is deep-drawn in a receiving device (6) directly on the compressor housing. The plastic part perfectly matches the shape of the receiving device (6) such that the air gap that is usually formed between the compressor housing and the receptacle (4) can be eliminated altogether or reduced to a minimum. A holding element (2) that is arranged on the outer circumference of the cover part (1) ensures optimum support for the receptacle (4), thus dispensing with the need for expensive anti-corrosive measures while the evaporator power and the coefficient of performance (COP) of the small coolant compressor are optimized.

Abstract: A configurable refrigerator comprises a control box provided with a compressor and a fan, a plurality of cooling units that are mutually connected and are connected to the control box through fastening devices, gas tubes connected between the control box and the cooling units to allow a low-temperature gas generated by the control box to enter the cooling units and return to the control box after circulation in the cooling units, and a control panel of the control box, settled on the control box or any of the cooling units. Therein, the control box can be assembled with an adjustable number of the cooling unit. Thus, the number of the cooling units can be increased or decreased as needed, thereby achieving easy assembly, disassembly and reconfiguration of the configurable refrigerator and the control panel.

Abstract: Embodiments disclosed herein include a condenser stack having a cross-flow plate with a plurality of transverse slots, and first and second microchannel plates mounted to the cross-flow plate. In some embodiments, the microchannel plates may have a plurality of microchannels that allow for the flow of the refrigerant substantially through the plurality of microchannels in a direction generally perpendicular to the plurality of transverse slots. In some embodiments, the condenser stack may be implemented in an apparatus, such as a heat sink assembly, and in a refrigerator system. Moreover, embodiments for a method for manufacturing the condenser stack and apparatus are described. Other embodiments are also described.

Abstract: Disclosed is an ice-making unit for a flow-down type ice maker which improves a deicing efficiency by coupling ice cubes in the widthwise direction by a slight thickness. A cooling pipe 34 is disposed zigzagged between the opposing surfaces of a pair of ice-making plates 32, 32, with straight portions 34a vertically separated from one another by predetermined intervals to allow the cooling pipe to contact with the ice-making plate 32, 32. Vertical ribs 38 vertically extending to define ice-making areas 40 are protrusively provided on the front side of the ice-making plate 32, apart from one another at predetermined intervals in the widthwise direction. The height h2 of the vertical ribs 38 is set smaller than the height h1 of ice cubes 36 in the protruding direction of the vertical ribs 38.

Abstract: An icemaker having a mold comprising at least one cavity and a cooling system. The cooling system has a first heat exchanger configured to have a medium flow there through. The first heat exchanger is in thermal communication with the mold to reduce the temperature of the mold below a predetermined temperature.

Abstract: In accordance with the present disclosure, an icemaker combination assembly is provided and comprises a refrigerator having a freezer compartment and a fresh food compartment. The freezer compartment can have a freezer door assembly and the fresh food compartment can have a fresh food door assembly. The icemaker combination further comprises a first icemaker having a first ice cube storage bin disposed within the freezer compartment and a second icemaker having a second ice cube storage bin disposed within the fresh food compartment. The first and second icemakers having a production activation level selected from the group consisting of the first icemaker active only, the second icemaker active only, the first and the second icemakers both active, and the first and the second icemakers both inactive. The first and second icemakers can selectively and simultaneously produce and independently store ice.

Abstract: A refrigerator door having a dispenser is disclosed. The refrigerator door includes an outer case forming a front appearance of the refrigerator door, an inner case forming a rear appearance of the refrigerator door, and an insulation layer disposed between the outer case and the inner case. First and second mounting frames are installed at both side ends of the refrigerator door and have first and second mounting slots longitudinally formed in the first and second mounting frames in opposition to each other. The dispenser is detachably coupled to a front surface of the outer case and includes a housing, which forms an external appearance of the dispenser and is formed with a recess section. An external plate section is coupled to the front surface of the outer case except for an area in which the dispenser is installed, forming an external appearance of the refrigerator door.

Abstract: A dispensing system for an appliance is shown. The dispensing system has a main tank for holding a fluid. The main tank controls the temperature of the fluid. A dispenser outlet fluidly connected to the tank by a dispenser fluid line. An auxiliary tank for holds a volume of the fluid. A flow control device selectively moves the fluid held in the auxiliary tank to the main tank then through the dispenser fluid line to the dispenser outlet and selectively removes the fluid remaining in the dispenser fluid line after dispensing.

Abstract: A freeze type dispenser having a refrigeration system including a compressor, condenser, expansion means and evaporator in the form of one or more freeze chambers in an enclosure is provided with a sub-cooler or auxiliary coil. The sub-cooler is located downstream of the condenser but upstream of the expansion means and is supplied with condensed refrigerant liquid. The sub-cooler is located adjacent the freeze chamber enclosure to prevent or reduce condensation of the same, without adversely affecting, and in fact increasing cooling performance or capacity.

Abstract: When a Stirling refrigerating engine for cooling a refrigerator starts, an operation is performed such that a gas-phase fluid flowing through a natural circulation circuit on a high temperature side attains a temperature higher than that in a normal operation. More specifically, the Stirling refrigerating engine operates with a piston drive speed higher than a normal speed, or a fan motor arranged for a condenser on the high temperature side stops. Thereby, a gas/liquid coexistent refrigerant in a high temperature side evaporator attains a pressure higher than a normal pressure. Thereby, a liquid phase fluid in a forced-circulation circuit on a high temperature side also attains a pressure higher than a normal pressure so that bubbles produced in the liquid phase fluid disappear, and a circulation pump can start.

Abstract: An evaporator with a plurality of tubes which extend through the shell. The plurality of tubes have first respective tubes and second respective tubes, the second respective tubes being proximate to and laterally displaced from the first respective tubes. A generally vertical partition is positioned to direct the flow of the process fluid through the plurality of tubes in a generally sideways pattern.

Abstract: Contemplated gas treatment plants for recovery of NGL from rich feed gas include an upstream conditioning unit in which heavier hydrocarbons, and most typically C5 and heavier are removed prior to feeding the processed feed gas to an NGL recovery plant, thus avoiding the need to process the heavier hydrocarbons in the NGL recovery plant. Such conditioning units advantageously reduce energy demand for dehydration otherwise required and allow for production of C2-C4, and C5+ streams that can be sold as valuable products.

Abstract: The invention discloses a glass-ceramic composition, a slurry, and a method for manufacturing a dielectric ceramic component with high frequency. The glass-ceramic composition comprises 5-30 wt % of aluminum oxide and 70-95 wt % of BiZnBSiAl glass. The invention mixes the glass-ceramic composition with an organic carrier to make a slurry, processes the slurry into green body, and then densities the green body to obtain dielectric ceramic component with high frequency, which can be sintered and densified under low temperature. Accordingly, the product of quality factor and resonance frequency of the component can meet the requirements of high quality factor and dielectric constant for industries.

Abstract: The present invention relates to a device and method for transporting, homogenizing or conditioning of glass melts or glass ceramic melts and is distinguished in that the new formation of bubbles after refining is at least reduced. The new formation of bubbles on the surfaces of components that are in contact with the melt is at least reduced by means of a layer having iridium as a material.

Abstract: A conduit structure for molten glass, a conduit system for molten glass, a vacuum degassing apparatus and a method for vacuum-degassing molten glass by use of the vacuum degassing apparatus, which are capable of effectively removing components eluted from a refractory brick forming a conduit for molten glass, foreign substances generated in the interface between molten glass and a platinum wall surface forming a conduit for molten glass, a bubble remaining in a surface layer of molten glass, a glass material denatured by volatilization, and the like, are provided.

Abstract: A method for manufacturing an optical fiber preform and an optical fiber preform apparatus are provided which can reduce hydroxyl groups in an optical fiber preform to a sufficient level without requiring any special equipment or operating conditions. When an optical fiber preform is manufactured by the vapor-phase deposition method, the dehydrating treatment is performed on a porous core preform that is obtained by depositing glass microparticles. In this treatment, a dehydrating agent is supplied to a dehydration apparatus through a feeding pipe and a main feeding pipe made of a material having a water permeance factor of 1.0×10?11 g·cm/cm2·s·cmHg or less, thereby manufacturing an optical fiber preform.

Abstract: A circular knitting machine for hosiery or the like, comprises at least one needle cylinder with vertical axis and has, on its lateral surface, a plurality of axial slots, each of which accommodates a needle and an element for actuating the needle. The actuation element comprises at least one connecting element and a selector. The connecting element is provided with a radially actuatable movable heel, and the selector protrudes with a portion between the bottom of the axial slot and the connecting element in any operative position of the machine. The selector is oscillatable on a radial plane of the needle cylinder to produce oscillation of the connecting element and extract its movable heel from the axial slot to achieve engagement with connecting element actuation cams facing the lateral surface of the needle cylinder.

Abstract: Disclosed herein is a washing machine. The washing machine includes tub receiving wash water, a heater heating the wash water, and a heater cover surrounding the heater. The washing machine can prevent damage of a tub even when the heater is separated from the tub during operation.

Abstract: An improved gasket (1) for a drum-type washing machine comprises a front flange (11) and a rear flange (15). Between the front flange (11) and the rear flange (15), a first substantially U-shaped section (13) connects to the front flange (11) and a second section (14) connects said first section (13) and the rear flange (15), wherein said second section (14) has a substantially flat contour at a lower position and increasingly curves outwardly from the axis from the lower position to a lateral position while decreasingly curves outwardly from the axis from the lateral position to an upper position opposite to said lower position. In such a configuration, said gasket (1) can absorb the greater vibration occurred in the lateral position in a normal washing operation process.

Abstract: A tub (1) for a clothes washing-machine, in particular of the domestic type which houses a rotating drum (2) within which the washing load is placed, said washing tub (1) consisting of a peripheral cylindrical housing formed by a tub front section (3) and a tub rear section (4) which are joined at their respective plastic material edges (31, 41), enclosing the drum (2) in their interior, by the fusion welding of the plastic materials of said edges (31, 41), forming a weld bead (5a, 5b) between the tub front section (3) and the tub rear section (4) where the edges (31, 41) are joined by at least two joining lines (51, 52, 53, 54), forming at least one chamber (6, 61) between the edges (31, 41) along at least part of the weld bead (5a, 5b).

Abstract: A self assemblage combination lock comprising one set or multiple sets of combination ring consists of a combination lock with one set or multiple sets of locking device. Its locking device has dual function of locking. The main function is to lock something and the other function is to lock itself and it is locked. It is disassemble and reassemble by its user. User can disassemble it and changes the sequence of combination rings or replaces the existing combination ring with his/her favorite combination with letters of alphabet or number. The self assemblage combination lock comprising one set or multiple sets of combination ring locks itself when the lock is locked and unlock itself when the lock is unlocked. Therefore it is disassemble and reassemble.

Abstract: A door lock assembly for a door. The door lock assembly includes a handle assembly, a latch bolt assembly disposed within a portion of the handle assembly and a mounting assembly that movably couples the handle assembly to a door panel member. The latch bolt assembly includes a movable latch bolt that translates relative to the handle assembly between an extended position and a retracted position.

Abstract: A multi point door lock device featuring a casing adapted to operatively engage the communicating components of the door lock. A removably engageable latch module slidably engages with the casing. A latch is reversibly engaged into the latch module with an allen screw and allows for user reversal to accommodate different door installations. The latch module also provides a switch for changing between first and second modes of operation to provide an external day latch function. The switching lever protrudes through the face plate on the side of the door.

Abstract: An electric steering lock device includes a worm wheel (8) that is rotated, in an unlock direction and a lock direction by the drive of a motor (6), a first cam member (9) and a second cam member (10) that are disposed in the worm wheel (8), a lock member (11) that follows the first cam member (9) and shifts between a lock position and an unlock position, and a holding lever (12) that follows the second cam member (10) and shifts between a standby position and a holding position. A detected part (24) is disposed in the first cam member (9), and first and second position sensors (S1, S2) that regard the detected part (24) as a detection target are disposed. The detection outputs of the first position sensor (S1) and the second position sensor (S2) detect the lock position and the unlock position of the lock member (11).

Abstract: The present invention addresses deficiencies of the art in respect to commercial asset control and provides a novel and non-obvious system and device for monitoring access to controlled areas. In one embodiment of the invention, the device can include a securing mechanism having an open state and a closed state. The device can further include a housing coupled with the securing mechanism, the housing comprising a radio frequency-opaque material, wherein the housing completely encloses a volume when the securing mechanism is in the closed state and wherein the housing includes an opening when the securing mechanism is in the open state. The device can further include an electronic marker located inside the volume of the housing, wherein the electronic marker periodically emits a signal.

Abstract: An electronic lock includes a rotatable core movable within an outer body. The rotatable core includes an actuator configured to move a tumbler blocking member into or out of interfering engagement with one or more tumblers. In an unlocked state, the actuator moves the tumbler blocking member so that a movable locking member in the rotatable core that engages the outer body can be moved into the rotatable core. In a locked state, the actuator positions the tumbler blocking member to prevent the one or more tumblers from retracting and thereby retain the locking member in a channel of the outer body.

Abstract: An electronic lock includes a rotatable core movable within an outer body. The rotatable core includes a piezo-electric actuator configured to move a tumbler blocking member into or out of interfering engagement with one or more tumblers. Tamper circuitry coupled with the piezo-electric actuator is configured to resist an externally induced acceleration of the electronic lock by shunting electrical power produced by an externally induced motion of the piezo-electric actuator back to the piezo-electric actuator.

Abstract: A removable core lock and key device comprises a cylinder housing (10) and a cylinder core (20), which is accommodated in a circular opening in the cylinder housing. A plurality of pin tumblers (22) are movable under influence from code surfaces of a key, wherein at least part of the pin tumblers are provided in a recess (20b) in the mantle surface of the cylinder core. A cam adapter (40) is rotatably provided in the opening in the cylinder housing. The cam adapter comprises an engagement portion (40c) which engages the recess (20b) in the mantle surface of the cylinder core when the cylinder core is in an operative position, wherein at least one of the pin tumblers is movable between a blocking position, in which the engagement portion of the cam adapter cooperates with the at least one pin tumbler to prevent mutual axial movement of the cam adapter and the cylinder core, and a release position, in which mutual axial movement between the cam adapter and the cylinder core is allowed.

Abstract: A granular slow-release nitrogenous fertilizer which is less in the release velocity of a nitrogen component than a conventional granular slow-release nitrogenous fertilizer and which is excellent in long-term persistence and the sustained releasability of the nitrogen component. The granular slow-release nitrogenous fertilizer is prepared by granulating a mixture of a urea-aldehyde condensate and an oxidized wax. The content of the oxidized wax is preferably three to 25 weight percent and more preferably five to 15 weight percent. The oxidized wax contains polar groups and therefore has extremely excellent compatibility with the urea-aldehyde condensate. Therefore, the urea-aldehyde condensate, which is sparingly soluble, is extremely uniformly dispersed in the granular slow-release nitrogenous fertilizer according to the present invention; hence, the release velocity of the urea-aldehyde condensate into soil is low.

Abstract: The present invention relates to obtaining a fertilizer with sustained release of phosphorus, enriched with other macro and micronutrients, which can be produced by pyrolysis of pyrobituminous shale, in combination with calcareous shale and with natural phosphatidic rocks. The invention presents a process for obtaining a solid fertilizer with sustained release of phosphorus, enriched with Ca, Mg, S, Si and micronutrients, by a combination of pyrolysis of a pyrobituminous shale at a temperature of 450-500° C., with the addition of calcareous shale and of a phosphatidic rock, which represents a promising innovation compared to the prior art, and will certainly serve to fill a gap in the availability of fertilizers permitted for use in agroecological systems.

Abstract: A hot-rolling plant (50) for the production of metal strips comprising a roughing stand (2), a reheating furnace (3) or a maintenance tunnel for maintaining the temperature of the product, a pre-finishing mill train (4), comprising three or four stands, a finishing mill train (5), comprising two or three stands, for finishing the product, in which the work rolls of one stand are provided with their own motor drive, independent one from each other, so as to allow the peripheral speeds of both of said work rolls to be autonomously varied under rolling load.

Abstract: An apparatus (50) for and method of manufacturing helically wound tubular structures (116) includes a rotating faceplate (74) upon which are mounted a plurality of diameter defining rollers (78) which, in operation, cause a strip material (80) to be plastically deformed into a helical winding which may be lain down in abutting or self-overlapping relationship to form said tubular structure (116).

Abstract: The invention relates to a peening device for peening a component with a part to be peened and a part not to be peened. The peening device comprises a chamber with at least one opening located therein, wherein the opening is dimensioned in such a manner that the part not to be peened of the component can be guided there through, and a fixture for retaining the component which features a section which entirely covers the opening of the chamber when the part not to be peened is at least partially guided into said opening, and said section completely encloses the part not to be peened of the component between the adjacent region of the part to be peened of the component and the opening.

Abstract: The present invention relates to a roll-forming system and a method thereof that enables both ends of a panel to be formed attractively by roll-forming the panel after cutting grooves are formed at both ends of the panel by using a blanking press.

Abstract: A linear bearing plate, or liner, for use within a rolling mill stand, said liner including lubrication ports in fluid communication with a lubrication source. A centralized lubrication source can provide a predetermined lubrication to a plurality of mill stands in response to a signal, such as from a rolling facility operator. Lubrication ports provide areas of active lubrication which are surrounded by areas of passive lubrication so as to provide adequate lubrication during a rolling campaign.

Abstract: In a method to replace a pair of rolls of a rolling mill stand during a downtime period, worn rolls fitted with chocks are extracted from the mill stand and positioned on means of displacement that bear a pair of new rolls without chocks. The method sets the means of displacement in motion so that the worn rolls are aligned with a chock extraction device. The chock extraction device is used to remove the chocks from the worn rolls. The means of displacement are actuated so that new rolls are now aligned with the chock extraction device. The chock extraction device is used to reinstall, on the new rolls, the chocks. After the new rolls have been fitted with the chocks, the new rolls are inserted in the mill stand so that the downtime period is reduced and the number of chocks in service is likewise reduced.

Abstract: A guiding device (2) includes a base (21), a cover (23) and a sidewall (22) cooperatively defining an annular space therein and a passage therethrough. An air inlet (221) is defined in the sidewall communicating with the space for an airflow flowing into the space. A plurality of guiding plates (24) are arranged in the space around the passage. An air outlet (29) is defined between two neighboring guiding plates for the airflow flowing out the space into the passage. The airflow is distributed into a plurality of even streams by the guiding plates. An atomizer (4) is connected with the space via the air inlet. The atomizer produces a high-pressured water vapor which is taken by the airflow to cool an aluminum profile produced by an extrusions press (6) and moving through the passage.

Abstract: The invention describes an apparatus for stamping can lids or the like, having a bridge (10) supported on a frame and carrying stamping tools (1) actuated vertically in a continuously repeating manner, having a longitudinal conveying device (30) gradually transporting metal sheets (11, 12) under said tools (1) in each case with the latter opened, and having a transverse conveying device (20, 40) laterally displacing to a limited extent the metal sheet (11, 12) moving or moved longitudinally in each case, wherein a separately controllable transverse conveying device (20, 40) is arranged in a stationary position in each case on the feed and discharge side approximately symmetrically to the tools (1) close in front of and behind the latter, said transverse conveying device (20, 40) in each case carrying a driving roller pair (31, 32; 51, 52) as the longitudinal conveying device (30, 50), which delivers the metal sheet (11, 12) in a controlled clamping manner or releases it in a controlled manner.

Abstract: A method and device for production of stampings with an almost smooth cutting and enlarged functional surface, especially fine blanking and/or forming a workpiece out of a flat strip, wherein flat strip is clamped between an upper part consisting of a shearing punch, a pressure pad, a V-shaped projection and an ejector arranged on the pressure pad, and a lower part consisting of cutting die, ejector and an inner form stamp. By adjusting the state of stress in the cutting zone to a position oriented compressive stress by movement slightly retarded with regard to movement of the shearing punch additionally pressing in material in a direction almost perpendicular to the cutting direction by a tool element acting with controlled force depending on the part geometry and thickness of the workpiece parallel to the cutting line between shearing punch and cutting die, tears at cutting and reduced rollover are achieved.

Abstract: A process and apparatus to make an edge or a collar featuring a complex structure on extruded, deep-drawn and deep-drawn/wire-drawn metal rough pieces with which bottles for the beverage and food sector or for technical use are particularly obtained, suitable for the application of a closing cap and fit to use on a tapering machine. The process includes a starting operating stage to deform an upper end portion of a metal holder by turning it outwardly so as to obtain an edge or a collar with a basically circular section, one or more intermediate operating stages to deform the edge or collar by squeezing in the radial direction and stretching towards the bottom of the metal holder, a final operating deformation stage to obtain an edge or collar with a complex ovoidal profile for the application of at least two caps of different types.

Abstract: A bending head for bending the peripheral edge of a sheet of material, the bending head being usable with a power source. The bending head includes an anvil member, the anvil member defining a substantially elongated anvil surface. A hammer member is movable relatively to the anvil member substantially perpendicularly to the anvil surface. An actuator is provided for receiving power from the power source, the actuator being operatively coupled to the hammer member for moving the hammer member relatively to the anvil member when the power source powers the actuator. The hammer member defines a hammer surface, the hammer surface being substantially elongated, the hammer surface substantially opposing the anvil surface so as to define a gap therebetween. The gap defines an entry point and a substantially longitudinally opposed exit point. The sheet of material is movable along the gap between the entry and exit points.

Abstract: A method is described to determine the remaining sorption capacity of activated-carbon-sorbent gas filters by measuring the breakthrough time for a test gas challenge to a test filter with known and controlled test conditions that include flow rate and temperature and the use of a calibration curve that has been established by prior testing of the test filter sorbent medium in calibration tests where the filter is exposed to a known quantity of gas surrogate for the challenge gases that the filter may sorb in service and then testing the test filter medium by challenge with a sparged gas that can be selectively detected to determine the breakthrough as a function of test gas. The apparatus using such a method comprises a portable system that includes a sparging test gas generator, a carrier gas system, a test filter canister holder, and a selective detector that can quantitatively monitor the test gas exiting the test filter canister.

Abstract: A tool is provided that is adapted to calibrate a dispenser operative to dispense a selected granular material received from the interior of a receptacle. The tool may include a handle extending longitudinally from a first handle end to a second handle end along a longitudinal axis and a positioning element located proximately to the second handle end. The positioning element is adapted to locate the flow control member associated with the dispenser at a selected position thereby to set a desired delivery rate of the granular material. The positioning element may be formed as an elongate projection extending upwardly from a location proximate to the second handle end or as a flat blade. A set of tools is also provided such that the dispenser can be set at alternative desired delivery rates. A method of calibrating the delivery rate of a dispenser is also provided.

Abstract: An apparatus and method for determining the kinematic characteristics of a golf club head are disclosed. The apparatus includes at least one piezoelectric component selectively positioned within or upon a club head. The piezoelectric component is preferably positioned to the rear of the center of gravity, and near the midpoint of the face of the club head. During a golf club swing, the piezoelectric component determines the acceleration and deceleration of the golf club head. When the club head impacts an object such as a golf ball, the piezoelectric component is also operable to determine the velocity of the club head. It may also be desirable for the piezoelectric component to determine the magnitude of vibration during impact. In this manner, the piezoelectric component may function determine the efficiency of a golf club swing.

Abstract: An apparatus and method for determining the kinematic characteristics of a golf club head are disclosed. The apparatus includes at least one piezoelectric component selectively positioned within or upon a club head. The piezoelectric component is preferably positioned to the rear of the center of gravity, and near the midpoint of the face of the club head. During a golf club swing, the piezoelectric component determines the acceleration and deceleration of the golf club head. When the club head impacts an object such as a golf ball, the piezoelectric component is also operable to determine the velocity of the club head. It may also be desirable for the piezoelectric component to determine the magnitude of vibration during impact. In this manner, the piezoelectric component may function determine the efficiency of a golf club swing.

Abstract: A jig frame for a drop test of a flat panel display, which is designed to allow a tester to effectively identify if the flat panel display is damaged and to easily adjust its weight and degree of deformation is provided. The jig frame for a drop test of a flat panel display includes a base plate having a groove for receiving the flat panel display and a cover plate fixing the flat panel display by covering the flat panel display and being coupled to the base plate. The cover plate is formed of transparent material so that the flat panel display installed in the jig frame is visible to outside of the cover plate.