An enhanced, lightweight acoustic absorber is provided. The acoustic absorber is bounded by the at least one scrim layer without need for additional layers, such as melt-blown or nonwoven layers. The at least one scrim layer includes at least one non-planar, folded scrim layer bonded to itself or another scrim layer to form a plurality of air spaces between folded portions of the at least one scrim layer. The at least one scrim layer establishes a thickness of the acoustic absorber extending across opposite exposed sides of the acoustic absorber.

An acoustic sensor is configured to provide accurate and robust measurement of bodily sounds under a variety of conditions, such as in noisy environments or in situations in which stress, strain, or movement may be imparted onto a sensor with respect to a patient. Embodiments of the sensor provide a conformable electrical shielding, as well as improved acoustic and mechanical coupling between the sensor and the measurement site.

The invention relates to a loudspeaker mounting and adjustment system and method for installing and operating a professional audio system used in a stadium, concert hall or the like. The system comprises a vertical array of loudspeaker cabinets that can be suspended from a ceiling and that enables the horizontal and vertical angle of the sound dispersion field to be adjusted remotely and/or automatically while the system is suspended. Each loudspeaker cabinet is connected to a vertically adjacent loudspeaker cabinet via a pair of levers located on either side of the cabinet that control the angle between adjacent loudspeaker cabinets. A linear actuator is connected to each lever for controlling the lever position. Each loudspeaker cabinet also comprises a waveguide with at least one actuator for modifying the waveguide angle and thus the horizontal angle of the sound dispersion field.

A protective enclosure for an electronic device can include a waveguide to direct and enhance sound waves emanating from a speaker of an electronic device when installed in the protective enclosure. The waveguide can include a first end and a second end. The first end of the waveguide can be located proximate the speaker of the electronic device. The waveguide can increase in cross-sectional area between the first end and the second end. The second end of the waveguide can be located proximate a front surface of the protective enclosure and can direct sound waves toward a user of the electronic device.

A sound suppressor device for an air drying unit of a compressed-air supply system having a sound suppressor housing on which is arranged an inlet opening for the supply of condensate-laden compressed air to be discharged from the air drying unit and at least one outlet opening for the discharge of the condensate-laden compressed air to the outside, wherein the inlet opening issues into at least one pre-chamber of the sound suppressor housing, which pre-chamber issues into post-chambers which are connected in parallel and which are arranged around a heating rod arranged centrally in the sound suppressor housing.

Described embodiments relate to a method of manufacturing a sound absorption material. The method comprises: forming a low density fibrous web to act as porous bulk absorber, the fibrous web containing a proportion of bi-components fibers, each bi-component fiber having a core material and a sheath material around the core material; applying a thin facing later to the low density fibrous web, wherein the facing layer is adhesively compatible with the sheath material; heating the fibrous web to a temperature sufficient to soften the sheath material of at least some of the bi-component fibers; and pressing the facing layer and fibrous web together under low pressure such that at least part of the facing layer contacts the softened sheath material of at least some of the bi-component fibers to form an adhesive bond between the facing layer and the fibrous web.

An acoustic damping article includes a substrate, wherein the substrate has a surface area S. The acoustic composition further includes a polymer resin. The polymer resin coats partially the surface area with a set of areas. The ratio of the coated areas over the surface area S is less than 1 and the polymer resin coverage is not greater than about 500 g/m2.

An adaptive speaker panel is provided. The speaker panel can have a speaker opening and a pair of concentric sealing ribs proximate to the speaker opening, the pair of sealing ribs having a first sealing rib and a second sealing rib towards a center of the speaker opening from the first sealing rib. The first sealing rib is first sealing rib dimensioned to seal against a first speaker basket and the second sealing rib dimensioned to seal against a second speaker basket that is smaller than the first speaker basket. Also, the first sealing rib and the second sealing rib are operatively arranged such that without modification to the speaker panel the first speaker basket or the second speaker basket can be attached to and sealed against the panel.

Neutrally-buoyant tools for seismic data collection are provided that may range from several hundred meters to several kilometers in length and have integrated sensors which move along with the borehole fluid in response to a passing seismic wave. The disclosure also provides methods of deploying neutrally-buoyant tools, which includes using a tractor, adding a weight or both to the tool in order to overcome the difficulty of lowering a neutrally buoyant tool into a borehole, and optionally occasionally clamping the tool to the borehole to alleviate tension in the tool. This disclosure also provides methods of acquiring seismic data, which involves positioning a neutrally-buoyant tool in a borehole such that the tool is able to move relatively freely along with the borehole fluid in response to a seismic wave passing through the fluid, firing a seismic source, and using the sensors to collect seismic data generated thereby.

An acoustic attenuator assembly for an acoustic tool for performing acoustic investigation of a subterranean formation is disclosed. The acoustic attenuator assembly includes a first end portion (205) and a second end portion (210) having a bore therethough to enable passage of an electrical line. The acoustic attenuator assembly further includes a fiber portion (230) disposed between the first and second end portion so that the fiber portion attenuates at least a portion of acoustic energy when the acoustic energy is received by one or both of the first (205) and second (210) end portions. The fiber portion (230) includes a continuous flexible portion that allows relative deflection of the first (205) and second (210) end portions.

A sound absorbing body includes a fibrillated part fibrillated into fiber form, and an unfibrillated part that is not fibrillated into fiber form. The unfibrillated part is dispersed inside the single sound absorbing body.

A printing device includes a case, a printing unit arranged inside the case, and a sound absorbing body arranged inside the case. The sound absorbing body has parts with different densities including a dense part with a higher density and a non-dense part with a lower density. The non-dense part includes a fibrillated part that is fibrillated into fiber form, and an unfibrillated part that is not fibrillated into fiber form.

A sound absorbing body includes parts of different densities including a plurality of non-dense parts of lower density and a plurality of dense parts of higher density. The non-dense parts and the dense parts are alternately laminated obliquely.

Embodiments of a firearm suppressor are disclosed herein. According to various embodiments, the firearm suppressor can include a housing. The housing can include an outer surface, an inner cavity, and an attachment mechanism that attaches the housing to a barrel of a firearm. The inner cavity can accommodate a baffle. The firearm suppressor also can include a lighting attachment. The lighting attachment can include a power source and a lighting mechanism.

A firearm silencer for suppressing sound intensity generated by the discharge of a firearm, the discharge generating propellant gases, is disclosed. The firearm silencer includes an outer tube. The outer tube is generally hollow and generally cylindrical. The firearm silencer also includes a monolithic baffle stack inserted within the outer tube, and the monolithic baffle stack positions and constrains the outer tube coaxially and axially at a first and second end of the outer tube relative to a first and second end of the monolithic baffle stack using seals and retention seals, with such seals also providing an atmospheric sealing function. The monolithic baffle stack includes a first end that includes a first hole. The monolithic baffle stack also includes a second end that includes a second hole. The second end is located opposite the first end of the monolithic baffle stack. The monolithic baffle stack further includes a plurality of chambers in fluid communication with each other via a plurality of holes and annular void. The monolithic baffle stack also includes a plurality of recesses in fluid communication with the plurality of chambers via a plurality of through holes and annular void. The monolithic baffle stack also further includes plurality of protrusions and plurality of lands within the plurality of chambers where said lands and plurality of holes in chambers form an equivalent cylindrical bore dimension. Moreover, the firearm silencer includes a path extending from the first hole adjacent the first end of the monolithic baffle stack through the first hole adjacent the second end of the monolithic baffle stack. The plurality of chambers, the plurality of recesses, the plurality of through holes, the plurality of protrusions, the plurality of lands, the annular void, and the path are configured to allow propellant gases to travel there through.

A hybrid silencer in a fuel cell system includes an expansion chamber connected to a predetermined apparatus of the fuel cell system, where the expansion chamber reduces acoustic noise of a fluid discharged from the predetermined apparatus, a water-absorber disposed inside the expansion chamber, where the water-absorber absorbs a liquid component of a fluid which flows into the expansion chamber; and a perforated silencer which discharges the fluid from which the liquid component is removed by the water-absorber while reducing acoustic noise of the fluid discharged therefrom.

An acoustic protective cover assembly comprising a porous membrane and an acoustic gasket is disclosed. The porous membrane is bonded to the acoustic gasket at a peripheral region, the membrane is left unhanded at a central region. The acoustic gasket comprises a composite of a porous polytetrafluoroethylene (PTFE) polymer matrix of polymeric nodes interconnected by fibrils, resilient expandable microspheres embedded within the matrix.

Embodiments of thermal-acoustic sections for an aircraft for reducing noise along an acoustic path produced from an acoustic source are provided herein. The thermal-acoustic section comprises a first porous layer having a first characteristic acoustic impedance. A second porous layer is disposed adjacent to the first porous layer and has a second characteristic acoustic impedance that is greater than the first characteristic acoustic impedance. The thermal-acoustic section is configured to be positioned along the acoustic path such that at least a portion of the noise from the acoustic source is directed through the first porous layer to the second porous layer to promote absorption of the noise.

A coaxial passive radiation monomer apparatus is disclosed. In accordance with an aspect of the present disclosure, there is disclosed a dynamic speaker monomer combined with a passive radiator in a single unitary structure located in spatial proximity with respect to one another to thereby and further comprising an elastic material at the base of the speaker assembly for enhanced and optimized resonance frequencies for the active and passive components of the overall device.

There is provided a method for optimizing performance of a multi-transducer earpiece, where the multi-transducer earpiece includes a perpendicular flange that partitions the cross sectional area of the acoustic delivery channel in a manner where mixing of signals from both the high frequency transducer and the mid/low frequency transducer is carried out in the ear canal of a user during reproduction of audio signals.

A gundog training tool prevents gun shyness by gradually allowing a pup to adapt to the sound of a gunshot. A pop gun shoots treats upon creating a simulated gunshot so that the dog grows used to the sound of a gunshot and creates positive reinforcement rewarded by the treat. As the pup learns, a charge in a housing is introduced to provide a simulated gunshot that expels a treat that trains the dog to feel excitement at the sound and smell of a gunshot. The size of the charge adjusts to create louder simulated gunshots as the pup learns so that the pup is prepared for introduction to actual gunshots, such as from a shotgun shooting at a bird.

Tethering stakes of the nature intended to be pounded flush with or below ground level. Certain of the tethering stakes include a cap on the pounding end which is adapted for ease of placement and release of a tethering line. Accordingly, the tethering line can be removed from the stake when it is to be pounded into the ground and then engaged with the stake only when tethering is desired. Certain of the embodiments include caps having uniquely shaped apertures for securing the tethering line. Another includes an aperture in communication with an aperture in the stake such that a lead cable or the like may be moved out of the way when the stake is pounded into the ground and may be fully received within the stake when tethering is not desired. Another embodiment employs a coupler passing through an aperture directly beneath the pounding surface to facilitate ease of attachment and removal of the tethering line.

A tethering stake includes a rod having a point at one end thereof and a driving cap at an opposite end. A collar is fixed to the rod adjacent to and spaced from the driving cap, thus providing a neck to receive a tether line or chain. A cap cover is slidingly received upon the rod and is adapted to be selectively engaged with the collar. The cap cover includes a central circular aperture with a radial slot extending therefrom. The centrally positioned aperture and slot allow the cover to assume a position substantially parallel to the rod during shipment and storage, while allowing it to take a position substantially orthogonal to the rod when the rod is driven into the ground.

A vest can be worn by a visually impaired pet, such as a dog, to help the pet navigate without hurting themselves by bumping into walls or objects. The vest includes plastic tubing with wire woven therein. The tubing is shaped like a halo that surrounds the front and sides of the pet's head. Should the visually impaired pet run into an object or wall, the halo will hit before their head hits and the pet will turn away before injuring themselves. The vest can be worn about their torso with their front legs fitting in leg holes of the vest. The vest can be adjustable to fit a range of pet sizes. The halo can also be adjustable to provide safe navigation of the pet. Typically, the vest is designed for dogs, but other visually impaired pets or animals may benefit by using the vest.

A system for identifying an animal comprises an identification tag/transponder device surgically implanted into tissue of the animal and a scanning unit. As the animal passes in a vicinity of a scanning unit, the system causes the identification device to send a signal to a receiving portion of the scanning unit, and processes the signal, and identifies the animal from the signal. The system is of particular benefit to veterinary surgeries in assisting their smooth operation.

A horse lead clip assembly for connection between horse tack that includes an upper clasp section with a hook and bolt closure and a lower quick detachable end that allows for the replacement of a broken clip with a new clip portion when excess stress is placed upon the hook of the clasping section. The assembly further includes a sleeve that when actuated laterally, allows for the introduction or removal of a new clasp section from the receiving end of the detachable portion. The assembly provides easy replacement of a broken clip, prevents the user from discarding the rope due to the broken clip, and allows a user to leave the clip hooked on one object while detaching it from the other.

A modular fire prevention flooring system includes a plurality of fire prevention flooring planks. Each plank is generally tubular and forms a drain channel. Fluids spilled onto the upper surface of the flooring system may drain through a plurality of drain holes formed in the upper surface of the planks. The planks may further include a metal filler positioned within the drain channels to stop combustion of burning fluids spilled into the drain channels. The metal filler may break up burning liquids and remove heat therefrom. In some embodiments, a purging fluid may be flowed through the planks to purge any spilled fluids therefrom.

A rat guard and method utilizing a flexible shield affixed to a plastic sheath positioned on a mooring line to prevent entry onto or exit from the ship by vermin. An electric grid is positioned on an insulated pad on the sheath which is electrically connected to the shield for receiving power from an acoustical generator also connected to the shield and spaced therefrom. The acoustical generator directs ultrasonic acoustic signals in a variable frequency range toward the shield to frighten rats or other vermin therefrom. Should the acoustical signals not deter the vermin, the electric grid will shock any vermin making contact therewith to cause harm and frighten. The shield provides another obstacle to prevent advancement and is affixed to the sheath on the mooring line. The shield is flexible and remains in place during high winds and other adverse weather conditions.

The present invention is directed towards an absorbent composition and its method of production and use. More specifically, the present invention relates to an absorbent composition comprising a liquid absorbing material, at least one alkaline earth metal peroxide, and an acidic material. The acid maintains a high hydrogen peroxide release profile under acidic conditions, such that the composition is found surprisingly effective in mitigating fecal odor.

Animal litter having up to a sixty percent reduction in bulk density can be produced by combining flat-shaped cellulosic materials and sodium bentonite clay. Not only is the resulting litter lighter, but it also maintains a high clump strength as compared to clay-based animal litters that contain greater than ninety percent by weight sodium bentonite clay.

Animal keeping installation comprising a floor (11) provided with a mat (12) on which the animal treads when setting foot on the floor (11) and which mat (12) is arranged to be intermittently propelled by a drive roll (13) placed internally in relation to the mat (12), wherein the drive roll (13) is connected to and mounted in bearing journals (15) for rotation about its center axis in a pendulum (14) which allows the drive roll (13), on the one hand, to bear against the inner side of the mat (12) and, on the other hand, to be released from the said bearing contact in dependence on the position of the pendulum (14), and wherein the drive roll (13) is connected to a drive member (18, 19, 51, 62) for driving the roll (13) at least into a position where the drive roll (13) bears against the mat (12).

An animal run line cornering mechanism with a corner component and leash component. The corner component is dumbbell shaped with a narrow body, a ball at one end with an aperture for the line, and a support attachment. The leash component has a tubular line ring with a shaped gap so that it appears C-shaped in end view, and leash ring attached to the line ring. The gap is wider than the corner component body and narrower than the line so that it is captured by the line. The line ring diameter is larger than the corner component ball and line diameters so that it moves freely along the line. The gap is defined by opposed edges of the line ring walls that taper to a rounded apexes. When the body hits the a tapered line ring wall, the body slides along the wall until it slides through the gap.

The present invention relates to a system and method of managing a group of dairy animals. More particularly, the invention relates to measuring one or more milk parameters, comparing this parameter to a criterion, and allowing an animal access to a pasture based on this comparison. The milk parameter is related to the composition of milk obtained from a dairy animal in as far as the composition is defined by at least one of the amount of protein and the energy intake of the dairy animal. The measured milk parameter is, for example, urea. Access to the pasture will be completely or partly blocked for a dairy animal having a high content of urea. This dairy animal is thus prevented from taking in an undesirably large amount of protein.

A teat cup has a nozzle in a head portion of a flexible liner of the teat cup for delivering fluid internally of the teat cup. The nozzle is directed so as to discharge fluid towards the discharge end of the teat cup. When milking is terminated, treatment fluid is injected through the nozzle into the head portion of the liner just prior to and/or as the teat cup is being withdrawn from the teat and, the teat cup wipes the fluid down the teat so as substantially to coat the teat. When the teat cup falls into an inverted rest position, after take-off, the interior of the liner may be flushed and dried with disinfectant, water and compressed air discharged upwardly into the liner by the nozzle. The discharge end of the teat cup may be fitted with a shut-off valve which can be actuated to prevent ingress of treatment and cleansing fluids into the milk tubes during the treatment and cleansing cycle.

A system for creating a plurality of sheltered stalls around feeding ports of a hummingbird feeder. The sheltered stalls may be formed by generally V-shaped members having opposed curved wings, one stall being formed beneath abutting wings of two abutting generally V-shaped members. The generally V-shaped members may be supported on mounting hooks which are either integral with or removable from the hummingbird feeder. The sheltered stalls and mounting hooks are red. The system may include the hummingbird feeder. The system deters dominant males from preventing use of the hummingbird feeder by competing hummingbirds.

A method for enhancing the production of aquatic organisms under cultivation, including the steps of exposing the aquatic organisms to a submerged illumination source inside water of a rearing unit; and maintaining illumination in the rearing unit for a rearing period.

This invention describes a collagen fiber reconstituted rawhide useful in the production of pet chews, and a method for making the same. Beginning materials include animal skins with hair, depilated limed splits and leftovers from the manufacture of rawhide pet chews. The materials are pretreated, ground, subjected to acid treatment to swell and separate the collagen fibers that comprise the animal hide, further ground into pulp, vacuum filtered, mixed with a dehydration agent that chemically shrinks the expanded fibers, drained, formed and dried into sheet and finally exposed to a cross-linking agent to increase the adhesive strength of the end product. Edible materials, including meats, may be added to the solution prior to draining, to enhance the nutritional value and palatability of the final product, and the reconstituted rawhide sheets may be bleached for appearance.

A multi-reel, line-handling apparatus can include a housing, a shaft located within the housing, the shaft defining a shaft axis, a first reel located within the housing, the first reel rotatably mounted to the shaft about a first reel axis angled with respect to the shaft axis, and a second reel located within the housing, the second reel rotatably mounted to the shaft about a second reel axis angled with respect to the shaft axis. The first reel and the second reel can be rotatable with respect to the housing about the shaft axis.

An animal emotion display system 100 including: a transmitter 10 which is attached to an animal; and a receiver 20 which is capable of communicating with the transmitter, wherein the transmitter 10 includes: a tail wagging detection sensor 12 to detect a plurality of kinds of tail wagging of the animal as a plurality of kinds of emotion of the animal, respectively; and a transmitting section 15 to transmit emotion data corresponding to the respective kinds of tail wagging detected by the tail wagging detection sensor 12 to the receiver 20, and the receiver 20 includes: a receiving section 22 to receive the emotion data transmitted by the transmitting section 15; a display section 25; and a display control section 24 to display a display content corresponding to the emotion data received by the receiving section 22 on the display section 25.

A system and method for monitoring and mitigating leakage currents is disclosed. The data acquisition system records data from multiple monitoring locations over extended periods of time to identify stray voltage and/or leakage currents present at the monitoring location. The data is processed to identify trends in the stray voltage and/or leakage currents and to suggest methods for mitigating the same.

A Vertically Integrated Aquaculture System for producing high quality consumer seafood products at a significantly reduced cost. The Vertically Integrated Aquaculture System includes at least one aquaculture grow-out module for containing an aquaculture species, a feed handling system for distributing feed to the aquaculture species located in the aquaculture grow-out module(s), an aquaculture species moving system for routing the aquaculture species at least out of the aquaculture grow-out module(s), and a processing system for processing the aquaculture species after harvesting from the aquaculture grow-out module(s).

The present invention relates to an aquarium cleaning apparatus, systems and methods for removing debris from the aquarium, and in particular, a self-contained cleaning apparatus that utilizes a siphon effect created by pouring water in an aquarium tank and/or pulling water out of an aquarium tank, such as via a vacuum. In a preferred embodiment, the siphon operation occurs because of the difference between the water level of the aquarium tank and the vertical height of a spout attached to the top of a vertical tube. Therefore, it is not necessary for the user to immerse their hands in the aquarium water to operate the cleaning device.

The present invention relates generally to an ultrasonic stimulating pet toy and, more specifically, to a mouse-like pet toy comprising a sound chip assembly that emits ultrasonic vocalizations that replicate those studied in mice. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

A multi-material pet toy includes a first member having an attractant for making the multi-material pet toy interesting to a pet and a second member for protecting the first member to lengthen a serviceable life of the first member. The toy may be configured so that the first member includes a sound-producing member for making a noise without air movement passing through the sound-producing member, and the second member includes a protective member for protecting the sound-producing member. The toy may also be configured so that the first member includes a mouth-feel member for providing attraction for the pet with the noise of air movement passing through the mouth-feel member, and the second member includes a protective member for protecting the mouth-feel member.

A windowed muzzle has left and right side sections, a lower section, an upper section and a rear section. A left window is in the left side section and a similarly configured right window is in the right side section. A left flap is configured and sized to cover the left window and a similarly configured right flap is configured and sided to cover the right window. A securement assembly selectively retains each flap in a raised orientation above the window or in a lowered orientation covering the window.

A windowed muzzle has left and right side sections, a lower section, an upper section and a rear section. A left window is in the left side section and a similarly configured right window is in the right side section. A left flap is configured and sized to cover the left window and a similarly configured right flap is configured and sided to cover the right window. A securement assembly selectively retains each flap in a raised orientation above the window or in a lowered orientation covering the window. A brushing assembly has a flexible strap coupled to the lower section. The brushing assembly includes a toothbrush removably coupled to the flexible strap.

An apparatus for milking an animal and provides a milking parlor includes first and second robotic manipulation devices and a plurality of milking stalls provided on a platform moveable relative to the robotic manipulation devices. The robotic manipulation devices are positioned so that each of the robotic manipulation devices is able to simultaneously service two neighboring milking stalls on the platform.

An elongate rectangular cultivation box having an open top, is configured so as to allow an outer tank, which serves as a cultivating water storage part, and an inner tank, which serves as a receptacle for bivalves (benthic organisms) S that are to be cultivated, to be both combined and separated. A gap that serves as a water supply opening and a gap that serves as a space in which sediments can accumulate on the bottom of the outer tank are defined when the inner tank is accommodated in the outer tank. Water passage holes are provided in the bottom of the shellfish receptacle (inner tank) and a mesh filter such as netting is stretched across the top face of the bottom. The cultivation boxes are arranged in a vertically stacked manner, with the front portions and rear portions thereof staggered so that cultivation water W that overflows over a front ledge of a shellfish receptacle flows downward into the supply water storage part of a lower cultivation box.

A pet grooming tool including a handle and long tines terminating in short, shallow catchment hooks. When the tines are drawn through the pet's fur, the catchment hooks untie tangled and matted fur incrementally without snagging and compounding the whole mass and without cutting through or removing attached fur. The hooks include a blunt leading edge that grabs and unties fur entanglements without cutting the fur. The long tines deliver the catchment hooks to the under coat while leaving the guard coat alone. The handle is ergonomic with a contoured shape for ease of use, effective engagement of the tines with the fur and a pleasing grooming experience for the pet owner and the pet.

A chew toy for canine dental care formed of a plurality of elongated rawhide strands, each strand defining a width within the range of about 0.20 to 7.5 millimeters and a thickness within the range of about 0.20 to 3.0 millimeters. The strands are braided together so as to define at least one rawhide braid of a desired size. The rawhide braid is wound or twisted and tied to define a desired chew toy size and shape that, upon be chewed by a dog, provides a messaging of the dog's gums and a cleaning and flossing of the dog's teeth. The chew toy can be soaked in an aqueous solution containing one or more therapeutic agents and/or an animal attractant and baked dry to impregnate the agent(s) or attractant within the rawhide for release when chewed by a dog.