A method and device are presented that creates a channel adjacent a nailing flange of a window in between the window and the rough opening that receives the window. The channel is created by establishing a barrier that prevents foam insulation inserted into the space between the window and the rough opening from reaching the nailing flange. The channel then ensures proper drainage of water that enters the window cavity down to the window sill. A gasket is presented that can be attached to the window or the rough opening to create the barrier. Alternatively, a disintegrating object or a wicking object can be used to impede the flow of insulation foam and to create the appropriate channel. The present invention is equally applicable to doors or other framed objects received into the exterior shell of a building.

The utility model discloses a monolithic reinforced concrete piece for the construction of buildings which is characterized for having six columns arrange in a hexagonal distribution, a continuous beam with variable depth supported by the columns making six spans and forming a hexagonal perimeter viewed from top, a corbel fixed along the beam's external face, and a roof which has a hexagonal shape with a circular hole in the center in plan view and cambered in the elevation view which rest on the continuous beam. In use the reinforced concrete hexahedral module can be cast-in-place or pre-cast and transported to its final position on the construction site and used as part of a building defining the space and ambience of said building. This invention has the advantage of being safe, strong and reliable, providing a fast new method of construction for different kinds of buildings.

The present invention provides in one aspect for a bracket for use with insulated forms for concrete walls. The bracket has an attachment plate for overlying the exterior of the insulated form to provide for a means of attaching the header or rim joist to the bracket. The bracket is provided an anchoring plate extending from the attaching plate for insertion into the interior of the insulated form. The present invention also provides for a method of attaching a header or rim joist to a concrete wall formed using insulated forms. The method involves cutting a vertical slot in the insulated form and inserting a bracket into the slot. The bracket has an attachment plate for overlying the exterior surface of the insulated form and an anchoring plate extending from the attachment plate through the slot into the interior of the insulated form. Concrete is poured into the form and allowed to set, after which the header or rim joist is attached to the brackets.

The invention relates to a prefabricated construction element (1) having a permanent form, such as a longitudinal beam or a panel, consisting of two parallel plates that are formed, through molding and spaced apart from each other, from a hydraulic mixture such as concrete and from a built-in metal reinforcement, said plates being separated by an insulating block and connected together by transverse spacers (not shown), characterized in that said construction element (1) comprises consecutive prepositioning and bottom (6, 7) and/or top (8, 9) linking means, said bottom means (6, 7) consisting of a metal male connector (6) secured to the metal reinforcement of a first element (1) and arranged at the end of the bottom portion of said first element, and a metal female connector (7) secured to said metal reinforcement of a consecutive second element and arranged at the end of the bottom portion of said second element, the relative positioning of the male connector (6) and female connector (7) being such that said connectors can be connected together when the two consecutive elements (1) are assembled.

A suspended ceiling system for a building structure includes a plurality of parallel struts for supporting a plurality of parallel vanes suspended from the struts in perpendicular relationship thereto. The vanes can be suspended in downwardly spaced relationship to the struts or in contiguous relationship therewith and occur in different forms including illuminated vanes, adjustable vanes and the like.

A dovetail anchoring system for cavity walls is disclosed and includes a sheetmetal dovetail anchor and one-piece sheetmetal dovetail veneer tie. The anchoring system is used in conjunction with building structures that have a masonry outer wythe anchored to a poured masonry inner wythe. A thermally-isolating coating is optionally applied to the high-strength veneer tie, which is interconnected with the wall anchor. The thermally-isolating coating is selected from a distinct grouping of materials, that are applied using a specific variety of methods, in one or more layers and cured and cross-linked to provide high-strength adhesion. The thermally-coated veneer ties provide an in-cavity thermal break that severs the thermal threads running throughout the cavity wall structure, reducing the U- and K-values of the anchoring system by thermally-isolating the metal components.

The invention concerns a half shell element (10) for the production of a hollow body with an identical further half shell element (10), with at least one guide (20 . . . 20'″) for the further element (10), which is constructed in the region of a first half periphery (11) of its encircling edge (12), so that the further element (10) can be pushed onto the half shell element (10) from the second half periphery (11') of the edge (12) lying opposite this first half periphery (11) and guided on the edge (12) and held in a final position. The hollow bodies which are thus produced can be both inserted into steel cages and also connected with each other via bars and built into concrete layers.

The invention provides an arrangement and methods for thermally insulating aircraft, particularly but not exclusively for when the aircraft is operating in extremely hot or cold conditions, and describes an aircraft skin construction including a foam-stiffened CFC sandwich panel forming part of the aircraft outer skin mounted to an underlying load bearing aircraft structure, wherein the panel at the mounting to the structure includes two outer layers of CFC material with an inner layer of foam material sandwiched therebetween.

An incremental forming machine binder is provided that has a blank holding opening that may be subdivided into smaller blank holding openings. The opening is subdivided by one or more clamping modules that are connected by connecting modules to each other and the frame. Clamps are attached to the clamping modules to clamp blanks in the blank holding openings. Multiple blanks may be secured to the binder for incremental forming.

A breathable gas inlet control device permits flow regulation at the inlet of a flow generator for a respiratory treatment apparatus such as a ventilator or continuous positive airway pressure device. The device may implement a variable inlet aperture size based on flow conditions. In one embodiment, an inlet flow seal opens or closes the inlet to a blower in accordance with changes in pressure within a seal activation chamber near the seal. The seal may be formed by a flexible membrane. A controller selectively changes the pressure of the seal activation chamber by controlling a set of one or more flow control valves to selectively stop forward flow, prevent back flow or lock open the seal to permit either back flow or forward flow. The controller may set the flow control valves as a function of detected respiratory conditions based on data from pressure and/or flow sensors.

A system and method are presented that electrically stimulates the phrenic nerve whereby said stimulation results in muscle activation of the diaphragm as observed by a measurement of work or power of breathing associated with the inspiratory portion of a stimulated breath.

A method comprises receiving an input coupling adjacent to a drive input, the drive input being driven by an actuating element, the input coupling being coupled to a joint output, the joint output being connected to a movable object. The method further comprises rotating the actuating element until a resistance torque is experienced by the actuating element and determining, based upon the resistance torque, whether the drive input has engaged the input coupling.

A method of forming oral orthotic systems includes providing an upper dental member adapted to be placed in connection with upper dentition of the patient, providing a lower dental member adapted to be placed in connection with lower dentition of the patient and providing a plurality of posterior mounting structures. Each of the posterior mounting structure is configured to be attached to one of the upper dental member or the lower dental member at a posterior, buccal position thereon. Force may be applied to the mandible of the patient via at least one of a plurality of different types mechanisms via attachment of a component of a selected type mechanism to at least one of the posterior mounting structures.

Embodiments according to the invention include coated condoms in which a fluidic coating material substantially covers an entire length of the condom, and methods for manufacturing such condoms. In some embodiments, a condom includes a tubular shaft having a tip on a closed end of the tubular shaft and an open end opposite the closed end on the tubular shaft, and a lubricant disposed along a length of the tubular shaft that extends from the open end of the tubular shaft to the tip on the closed end of the tubular shaft.

Disclosed herein are vials and devices containing a ketorolac solution for intranasal administration and a head space comprising no more than about 10% v/v oxygen and which vials and devices are stored in an oxygen-impermeable pouch. Also disclosed are processes for preparing the vials and devices.

The invention relates to an inhaler component for forming a vapor/air mixture or/and condensation aerosol by evaporation of a liquid material and, if appropriate, condensation of the formed vapor, comprising: an electric heating element for evaporating a portion of the liquid material; a wick with a capillary structure, which wick forms a composite with the heating element and automatically supplies the heating element with the liquid material; a carrier plate, preferably a printed circuit board, which carries the composite and on which the heating element is electrically contacted; a capillary gap formed at least partially by the carrier plate and automatically supplying the composite with the liquid material, by means of an end portion of the wick extending into the capillary gap; a liquid container which contains the liquid material and from which the capillary gap draws the liquid material. In order to achieve a compact overall arrangement, it is proposed that the capillary gap at least partially covers the liquid container on the outside, in a view perpendicular to the carrier plate.

A positive exhalation pressure device (1) is described. The device (1) comprises a housing (2) having an annular chamber (5), a chamber inlet (6) configured to permit air into the chamber, a chamber outlet (7) configured to permit air out of the chamber, and a mouthpiece (8) in fluid communication with the chamber inlet. A movable body such as a ball (3) is disposed in the housing within the annular chamber and configured to revolve around the annular chamber in response to flow of air through the chamber from the chamber inlet to the chamber outlet. The movable body is configured to at least partially block the chamber outlet as it revolves around the annular chamber causing cyclical fluctuations in airflow resistance.

An intelligent bionic expectoration system and a three-way device thereof. The intelligent bionic expectoration system includes a negative pressure suction module, a central processing module, a patient interface unit and a respiratory muscle synchronous motion module. The central processing module controls two valves to open or close, closing one valve while opening another valve, and controls the respiratory muscle synchronous motion module. The patient interface unit is connected to the positive pressure ventilation module and the negative pressure suction module, allowing positive or negative pressure airflow to flow by, depending on which valve is open, so as to allow airflow to flow in or out of the lung. The respiratory muscle synchronous motion module can employ nerve stimulation and mechanical pushing, and acts synchronously as the airflow moves, thereby simulating human coughing and achieves bionic expectoration.

In certain example embodiments, a system and/or method of guiding transitions between therapy modes in connection with the treatment and/or diagnosis of a patient for a respiratory disorder is/are provided. Respiratory disorder treatment according to a first therapy mode is provided. Input indicating a second therapy mode to be transitioned to following provision of the first therapy mode is received, with the second therapy mode being different from the first therapy mode. At least one default treatment parameter suitable for the second therapy mode is assigned or calculated. Each default treatment parameter of the second therapy mode is presented, with each default treatment parameter being adjustable by an operator during the presenting. Transitioning from the first therapy mode to the second therapy mode is performed by providing respiratory disorder treatment in accordance with the second therapy mode and each default treatment parameter and any adjustments made thereto prior to the transitioning. Advantageously, the chances of a patient being disturbed by transitioning from mode-to-mode are reduced.

A gas ventilation mask includes an anesthesia nasal mask and a mouth mask defining respectively a nasal chamber and an oral chamber, detachably connected to one another so that the nasal mask and the mouth mask may be used either separately as a nasal mask or as a mouth mask, or as a combination nasal-mouth mask. Also provided is a mask anchor for holding a face mask on a patient, includes a head support for engaging a back of a patient's head, a posterior head strap that originates from behind the patient's head, in contact with the patient's head and attaches either directly or indirectly to the mask when the mask is on the patient's face, wherein the strap can be tightened to create a seal to allow for positive pressure ventilation or left loose and for providing supplement oxygen. Also provided is an anesthesia mask strap system having a first expandable strap portion having the ability to extend; second and third non-expandable strap sections fixed to ends of the first expandable strap section; and an adhesion section for fixing a length of the strap system when the second and third non-expandable strap sections are pulled to tension the expandable strap section.

Disclosed is a nasal ventilation mask having separate ports to monitor end-tidal CO2 expulsion integrated into the mask in order to monitor end-tidal CO2 expelled nasally or orally. Also disclosed is a CPR mask for nose-to-mouth and/or mouth-to-mouth resuscitation, having a body shaped to cover the nose and/or mouth of a victim, said mask including a CO2 absorber for eliminating at least in part rescuer's exhaled CO2 delivered to the victim.

A system provides warm, humidified gas to a patient via a patient interface. Horizontal connections can be used between the humidification chamber and conduit. To reduce the likelihood of condensate flowing back to the humidification chamber, or dead space or gases recirculation regions occurring within the gases flow path, a raised portion is positioned inside of the flow path to improve flow characteristics and to provide a barrier for condensate back flow. The raised portion also reduces the amount of condensate that is formed in the system and provides better flow characteristics for sensing purposes.

An electronic device is provided. The electronic device includes a capsule container configured to contain at least one capsule, a discharge structure configured to discharge a material included in the capsule, a transceiver configured to transmit data to an external device or to receive data from the external device, and at least one processor. The at least one processor is configured to receive, user state information and biometric information from the external device via the transceiver, select at least one capsule in the capsule container on the basis of the received user state information and biometric information, determine a spray amount of a material contained in the selected at least one capsule, and spray the material via the discharge structure.

An umbilical system for sourcing and delivering within a flexible protective covering, a plurality of different breathing gasses, safety tether, a plurality of ancillary lines for remotely distributable, documentable, multidirectional, multi-format data/communications acquisition and delivery, personal/situational awareness and ancillary power sources for tool, accessory or device enervation, to a plurality of Users in an adverse environment.

An oral-nasal cannula receives exhaled gases from the nose and mouth of a patient. The exhaled gases are transported to variable flow valves that can variably restrict the flow of the gases through the valves upon software generated signals. The exhaled gases pass through the variable flow valves and mix so that they can be measured by a single sensor such as a sensor of a capnometer. Based upon information gathered by the capnometer, the variable valves can be adjusted in real-time according to a software method in order to identify a variable valve flow configuration that maximizes the amount of CO2 received and measured by the capnometer. In this manner, the software can adapt a single capnometer to measure exhaled gases regardless of whether a patient breathes primarily through their nose or mouth or some proportion of the two.

An example method for detecting respiratory disturbances experienced by a subject can include receiving an airflow signal and at least one of an acoustic or vibration signal, where the airflow, acoustic, and/or vibration signals are associated with the subjects breathing. At least one feature can be extracted from the airflow signal and at least one feature can be extracted from at least one of the acoustic or vibration signal. Based on the extracted features, at least one respiratory disturbance can be detected. The respiratory disturbance can be flow limited breath or inspiratory flow limitation (“IFL”).

The invention pertains to positioning a patient in prone position, comprising: positioning a patient in a supine position,attaching a chest body contact sheet to the chest of the patient with an attached inflatable chest cushion in the deflated state,attaching a pelvic body contact sheet to the pelvic region of the patient with an attached inflatable pelvis cushion in the deflated state,transferring the patient from the supine position to a prone position,with the chest body contact sheet attached to the chest of the patient and the pelvic body contact sheet attached to the pelvic region of the patient and the patient in the prone position, inflating the chest cushion and the pelvis cushion, thereby making that the chest cushion and the pelvis cushion together bear the weight of the torso of the patient with the abdominal region of the patient being decompressed. The invention is based on a combination of anatomy and physiology that is used for a reliable positioning the patient, which is safe for the patient and safe, hygienic and user friendly for the medical team.

Provided are systems, methods, and electronic vapor devices configured to provide spirometer functionality and respiratory medication dispensing which can couple and function symbiotically with a portable electronic communication device.

This disclosure describes systems and methods for controlling pressure and/or flow during exhalation. The disclosure describes novel exhalation modes for ventilating a patient.

A smart oronasal mask for a positive-airway-pressure device includes a mask body and a temperature sensor. The mask body has an air inlet and an air outlet. The temperature sensor is deposited in the mask body and located between the air inlet and the air outlet for sensing a temperature of a mixture formed by gas entering the mask body through the air inlet of the mask body and gas entering the mask body through the air outlet of the mask body. Then the positive airway pressure device adjusts air feed according to the temperature sensed by the temperature sensor in a real-time manner, so as to help keep a patient's respiratory tract clear.

Methods, systems, and apparatuses are described that indicate an amount at which various gas flow rates should be manually adjusted in order to achieve targeted total flow rates and concentration levels.

A device comprising: a receive antenna configured to receive a first radio-frequency (RF) signal having a first center frequency; a first transmit antenna configured to transmit a second RF signal having a second center frequency that is a harmonic of the first center frequency; a second transmit antenna configured to transmit a third RF signal having a third center frequency that is a harmonic of the first center frequency and is different from the second center frequency; first circuitry, coupled to the receive antenna and to the first transmit antenna, configured to generate the second RF signal using the first RF signal and provide it to the first transmit antenna for transmission; and second circuitry, coupled to the receive antenna and to the second transmit antenna, configured to generate the third RF signal using the first RF signal and provide it to the second transmit antenna for transmission.

A device comprising: a substrate; a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals; a receive antenna fabricated on the substrate and configured to receive RF signals; and circuitry, disposed on the substrate and differentially coupled to the transmit and receive antennas, and configured to provide to the transmit antenna RF signals to be transmitted by the transmit antenna and to process RF signals received by the receive antenna, wherein the substrate comprises material for reducing harmonic coupling between the transmit antenna and the receive antenna.

A circuit board includes a substantially planar component carrier and a microstrip which is applied to a surface of the component carrier. The microstrip extends towards a connection transition which is arranged on a lateral edge of the component carrier. A waveguide portion of an antenna element which is produced by a 3D printing process is coupled to this connection transition.

Aspects of the subject disclosure may include, for example, a transmission device that includes a transmitter that generates a first electromagnetic wave to convey data. A coupler couples the first electromagnetic wave to a single wire transmission medium having an outer surface, to forming a second electromagnetic wave that is guided to propagate along the outer surface of the single wire transmission medium via at least one guided wave mode that includes an asymmetric or non-fundamental mode having a lower cutoff frequency. A carrier frequency of the second electromagnetic wave is selected to be within a limited range of the lower cutoff frequency, so that a majority of the electric field is concentrated within a distance from the outer surface that is less than half the largest cross sectional dimension of the single wire transmission medium, and/or to reduce propagation loss. Other embodiments are disclosed.

Embodiments described herein generally relate to phased array antenna systems or packages and techniques of making and using the systems and packages. A phased array antenna package may include a distributed phased array antenna comprising (1) a plurality of antenna sub-arrays, which may each include a plurality of antennas, (2) a plurality of Radio Frequency Dies (RFDs), each of the RFDs located proximate and electrically coupled by a trace of a plurality of traces to a corresponding antenna sub-array of the plurality of antenna sub-arrays, and (3) wherein each trace of the plurality of traces configured to electrically couple an antenna of the plurality of antennas to the RFD located proximate the antenna, wherein each trace of the plurality of traces is configured to transmit millimeter wave (mm-wave) radio signals, and wherein the plurality of traces are each of a substantially uniform length.

Reconfigurable antennas in an ad-hoc network are provided where all nodes employ MIMO/SIMO/MISO communication techniques. Three types of reconfigurable antennas: Reconfigurable Printed Dipole Array (RPDA), Reconfigurable Circular Patch Antenna (RCPA) and Two-Port Reconfigurable CRLH Leaky Wave Antennas are used. The RPDA, RCPA and the CRLH Leaky Wave antennas have a different number of configurations as well as different degrees of pattern diversity between possible configurations. To effectively use these antennas in a network, the performance of centralized and decentralized antenna configuration selection schemes are quantified for reconfiguration at one or both link ends. The sum capacity of the network is used as a metric to quantify the performance of these antennas in measured and simulated network channels.

In embodiments of the present invention improved capabilities are described for an antenna-based detection method and system for sensing an environmental change condition. The method and system is adapted such that the states comprising the environmental change condition are capable of being determined at the location of the detection point utilizing only the magnitude component of the antenna impedance as altered by the discrete change in the environmental condition.

A multilayer electronic component includes a body and a coil. The body includes a plurality of sheets each containing magnetic powder particles. The coil includes an uppermost coil pattern disposed on a top surface of an uppermost sheet among the plurality of sheets, a lowermost coil pattern disposed on a bottom surface of a lowermost sheet among the plurality of sheets, and side coil patterns disposed on edges of central sheets disposed between the uppermost sheet and the lowermost sheet in a central portion of the body. The magnetic powder particles have shape anisotropy, and a major axes of the magnetic powder particles are aligned with each other within the body. A multilayer chip antenna can include the multilayer electronic component.

Various integrated high quality electronic components and systems, and methods of their manufacture, are presented. In one example, a device includes a glass substrate or interposer including one or more metalized through-glass vias (TGVs). The one or more metalized TGVs can be used to form a substrate integrated waveguide, a complementary split ring resonator, a disc loaded monopole antenna or other device. An array of metalized TGVs can define side walls of the integrated waveguide. A disc coupled to a tip of a metalized TGV can provide capacitive disc loading of the monopole antenna.

A method and apparatus for angularly aligning an antenna disposed at a geographical location is disclosed. A corresponding apparatus comprises a plurality of reticle members, each reticle member having a reticle, and a plurality of reference members, each adjustably engaged with an associated one of the plurality of reticle members, wherein each of the plurality of reference members comprises an associated template having a reference mark positioned thereon according to the geographical location of the antenna and the antenna is angularly aligned when each reference mark of each template is aligned with the reticle associated with the reference mark. A corresponding method comprises the steps of affixing an associated template having a reference mark positioned thereon according to the geographic location of the antenna to each of the plurality of reference members and angularly aligning each of the plurality of reticle members with each reference mark of each associated template.

An appliance, such as an oven, includes a housing having an internal compartment and an RF antenna. At least a portion of the housing comprises an electrically conductive portion. The antenna includes an active component and a connection to the electrically conductive portion, which serves as a ground plane of the antenna. The housing may include a door assembly having a window that includes the electrically conductive portion in the form of a transparent conductive layer. The door assembly may be detachable and the connection to the antenna may be made by way of capacitive coupling. In an alternative arrangement, the housing includes a light fixture for illuminating the internal compartment, wherein the active component of the antenna is disposed in the light fixture.

An antenna having a passive antenna element that is integrated in a wireless communication chassis, is naturally in resonance, and is galvanically coupled to ground, and a passive indirect antenna element feed that is non-galvanically coupled to the antenna element. If the chassis is foldable, a parasitic element may be located opposite an antenna element feed when the foldable chassis is in at least one of a closed mode and a tablet mode.

An antenna assembly includes a looped but open metallic antenna and a flat ceramic antenna within the loop of the metallic antenna. The metallic antenna includes a first end portion and a second end portion at two ends. The ceramic antenna is surrounded by the metallic antenna. The first end portion is connected to the ceramic antenna and the second end is a free end, and the output power of wireless signals thusly radiated is increased at given frequencies.

A transmission apparatus includes a first metal plate including a first surface, a second surface opposite to the first surface, and a first through hole penetrating from the first surface to the second surface, the first metal plate; a first board being disposed on the first surface side of the first metal plate, the first board including a first patch antenna positioned inside the first through hole; and a second board being disposed on the second surface side of the first metal plate, the second board including a second patch antenna positioned inside the first through hole and opposed to the first patch antenna, wherein an interval between the first patch antenna and the second patch antenna is set in accordance with a distance for wireless communicating between the first patch antenna and the second patch antenna in a near field.

Techniques and mechanisms to provide a motor vehicle with connectivity for satellite communications. In an embodiment, a communication device is disposed between an exterior surface of the motor vehicle and an interior surface of the motor vehicle. An antenna panel, disposed in a housing of the communication device, may be configured to participate in satellite communication via a first side of the communication device. A configuration of the antenna panel, the housing or one or more hardware interfaces of the communication device may facilitate low profile solution for such communication with the satellite. In another embodiment, the one or more hardware interfaces are each disposed on a respective side of the housing other than the first side, the one or more hardware interfaces to couple the communication device to a power supply of a motor vehicle.

In an on-vehicle radar device, a receiving antenna part includes a first antenna array with a plurality of receiving antennas arranged in a first direction perpendicular to a predetermined reference direction, and a second antenna array with three or more receiving antennas arranged in a second direction perpendicular to the reference direction and different from the first direction. A computing part computes the elevation angle of an object, using a first detection angle formed by the reference direction and a direction of the object acquired using the first antenna array in a plane parallel to the reference direction and the first direction, a second detection angle formed by the reference direction and a direction of the object acquired using the second antenna array in a plane parallel to the reference direction and the second direction, and a relative inclination angle formed by the first and second directions.

A projector includes a wireless communication unit which wirelessly receives image data from a transmitting device, and a display unit which displays an image based on the image data received by the wireless communication unit. The wireless communication unit includes a first communication unit which has a first array antenna, and a second communication unit which has a second array antenna. The first communication unit transmits and receives wireless radio waves of a first frequency in a millimeter wave band via the first array antenna, and the second communication unit transmits and receives wireless radio waves of a second frequency in a millimeter wave band that is different from the first frequency via the second array antenna. A plane including the second array antenna is tilted at an angle of 10 degrees or more and 30 degrees or less to a plane including the first array antenna.

The present invention relates to a resonant frequency tunable antenna, and may provide a resonant frequency tunable antenna which comprises: a first ground part; a power supply part connected in the longitudinal direction of the antenna from the first power supply part; and a second ground part connected in the longitudinal direction of the antenna from the power supply part, wherein the second ground part is a variable ground part, the second ground part and the power supply part are connected by a switch, and the switch is connected to a common terminal which is grounded, so that the second ground part and the power supply part are linked and controlled.

An antenna and an electronic device are disclosed, which relates to an antenna. The antenna component includes an antenna body, two feed circuits, and at least one ground circuit. The two feed circuits are connected to the antenna body through respective feed points. The at least one ground circuit is connected to the antenna body through respective one of ground points, and at least one of the ground points is located between the two feed points.