Abstract: A loudspeaker mounting assembly includes a frame, a sleeve, and a tilt-angle adjustment mechanism. The frame may include an outer frame, an inner frame rotatable about a frame axis relative to the outer frame, and a frame wall extending away from a rear side. The sleeve is coupled to the inner frame at a pivot axis and is tiltable to a plurality of tilt angles relative to the inner frame. The tilt-angle adjustment mechanism is engageable with the sleeve to enable selection of a desired tilt angle. A loudspeaker may be mounted to the sleeve such that the loudspeaker may be swiveled about the frame axis and tilted about the pivot axis.

Abstract: A transducer membrane enhances sound reproduction. Curved portions of the membrane periphery contribute to the enhanced sound reproduction. The transducer membrane may add or improve sound reproduction capability in cell phones, gaming systems, personal data assistants, or other devices.

Abstract: A micro-speaker includes a frame, a yoke, a magnet, a diaphragm, and a voice coil. The yoke includes a base wall and a plurality of sidewalls defining a number of flat walls and a number of curved walls disposed at corners of the yoke. The flat walls define a number of first steps disposed at an upper level for engaging with the position blocks, the curved walls define a number of second steps disposed at a lower level for air leaking.

Abstract: A speaker includes a frame, a yoke located at a bottom side of the frame, a magnet disposed in the yoke, a washer disposed in the yoke and arranged on the magnet, a voice coil and a diaphragm. The yoke includes a bottom wall and an annular sidewall extending upward from a peripheral edge of the bottom wall. The bottom wall and the sidewall cooperatively define a receiving chamber. The sidewall defines a groove in an inner circumferential surface around an axis of the yoke. Outer peripheral surfaces of the magnet and the washer, and the inner circumferential surface of the sidewall of the yoke, cooperatively define an annular air gap. The voice coil encloses the washer. A bottom end of the voice coil is interposed into an upper portion of the air gap. The diaphragm is supported by the frame and is connected to the voice coil.

Abstract: The present invention is to provide a speaker having desirable sound characteristics with a smaller size, and a speaker unit having the speaker. The speaker unit has the speaker and an attachment unit. The speaker has a case, a magnetic circuit, a diaphragm, and a passage. A first chamber is disposed between an inner surface of an outer case of the case and an outer surface of the magnetic circuit. A second chamber is disposed between the diaphragm and the magnetic circuit. The passage communicates with the first and second chambers and has a groove disposed on a bottom wall of the case.

Abstract: A thermal management system improves thermal property of the speaker system by promoting air circulation to cool the speaker system. The thermal management system includes a speaker frame, an air guide formed on the speaker frame for guiding the air, a ventilation slit formed on the air guide which penetrates through the speaker frame for air communication, and a spider mounting ring for mounting a spider of the speaker system on the speaker frame. The spider mounting ring has a cut-out at its upper edge which positionally match the air guide. The cut-out is curved sharply at its upper surface while a lower edge of the spider mounting ring is gently curved, thereby creating an air passage of directional property.

Abstract: According to an aspect of the invention, there is provided a speaker apparatus including: a speaker frame; and a connection terminal for electrically connecting to an outside of a speaker, an axis line of the connection terminal being arranged along a tangential line direction of a circumference of the speaker, the connection terminal being not projected to an outer side in a diameter direction of the speaker from the speaker frame.

Abstract: A micro-speaker includes a frame, a yoke received in the frame, a connecting plate received in the yoke, a magnet received in the yoke, a pole plate attached onto the magnet, a diaphragm attached to the frame, a voice coil positioned on the connecting plate and surrounding the magnet, and a case covering the diaphragm. The diaphragm includes a central area in a center thereof, a joint area at an outer periphery thereof, and a connecting area between the central area and the joint area. The connecting plate includes a central portion formed in a central thereof for connecting with the central area of the diaphragm, and an oblique wall obliquely connecting to the central portion. The voice coil is wrapped on the oblique wall.

Abstract: A speaker structure contains a removable food container as a resonant box. The speaker structure contains a baffling device. The baffling device contains a baffle and means for retaining an open top of the food container that is attached to the baffle. When the food container is incorporated with the baffling device, the food container works as a conventional resonant box. Furthermore, a user can freely remove the food container from the baffling device and the removed food container may serve its original food-containing function.

Abstract: Disclosed is a linear vibration device, the linear vibration device including: a case formed with a storage space; a vibrator including a cylindrical back yoke accommodated in the storage space, a magnet mounted on the back yoke, a leaf spring coupled to the back yoke and a weight coupled to the back yoke; and a coil block accommodated in the case to face the magnet, wherein one lateral end of the leaf spring is coupled to the case, and the other lateral end of the leaf spring facing the one lateral end is coupled to the back yoke.

Abstract: A heat sink for a loudspeaker assembly includes: a housing of generally toroidal shape defining an interior portion and an exterior portion; and a plurality of fins extending from within the interior portion of the housing to, and at least partially over, the exterior portion of the housing.

Abstract: A method of soldering terminals of a micro-speaker on a circuit board comprises the following steps. Firstly, providing a circuit board having a pair of through holes passing therethrough, and two soldering sections defined surrounding the pair of through holes. Secondly, the soldering sections are plated with soldering tin. Thirdly, providing a pair of columned terminals, the terminal includes an upper portion, a low portion and a body connecting between the upper portion and the low portion. Fourthly, the low portion of the terminal is inserted into the corresponding through hole and the body is resisted on the soldering section. Fifthly, the soldering tin is heated to solder the body on the soldering tin. Finally, the upper portion of the terminal is soldered onto the corresponding end of the voice coil. As a result, soldering defective can be reduced.

Abstract: A speaker includes a case, a dome, a diaphragm, a first voice coil, a second voice coil, a first pole plate, a second pole plate, a first magnet, a second magnet and a yoke. The case is supported on the frame to form a receiving room therebetween. The yoke includes a bottom portion and a side portion perpendicularly extending upward from the center of the bottom portion. A first magnetic gap is formed between the inner wall of the side portion and the outer wall of the magnet for receiving the first voice coil, and a second magnetic gap is formed between the outer wall of the side portion and the inner wall of the second magnet for receiving the second voice coil.

Abstract: A flat thin dynamic speaker which includes a motor unit, a suspension unit, a radiating unit and a frame arranged in such a manner that the motor unit and the suspension unit are at the same plane while the radiating unit is on top of the motor unit such that the thickness of the speaker assembly is reduced while the performance of the speaker assembly is maintained or even improved. Also, the speaker can be made into a quadrangular, polygon or a spherical structure. The speaker further has a surround at a level lower than the radiating unit without utilizing the radiating surface of the radiating unit such as a maximized radiating surface is provided, and includes a dual side voice-coil actuation to the radiator unit, thereby providing a slim and flat speaker assembly with high power output.

Abstract: A frame has a slide hole and a receiving hole made close to an end of the slide hole. A terminal member has a protrusion protruding from a face making contact with the speaker frame, and a claw projecting in a direction approximately perpendicular to a protruding direction of the protrusion. An approximate-projection-shaped engaging portion is formed on the claw to engage with the receiving hole made close to the end of the slide hole. For example, when the terminal member is mounted on the frame, the protrusion is inserted into the slide hole and then slid along the slide hole, thereupon the engaging portion formed on the claw engages with the receiving hole, whereby the terminal member is fixedly attached to the speaker frame.

Abstract: An audio loudspeaker with an internal magnet geometry motor having a slotted cylinder having closed ends, a pair of oppositely charged magnets sandwiching a top plate and disposed between the closed ends of the cylinder, and a diaphragm assembly having a bobbin with spokes which extend through the slots. Mechanically connecting to the voice coil radially through the cylinder enables the lower suspension component to be places much lower and farther from the upper suspension component, improving stability of the suspension. The closed ends of the motor provide extremely low magnetic reluctance for the magnetic circuits at the respective ends of the motor.

Abstract: A speaker device includes a magnetic circuit, a vibration system, a frame and a terminal. The frame is formed into a frame shape, and an inner wall thereof holds the magnetic circuit. Particularly, the frame has an opening for ventilation, which makes a rear surface positioned on a side opposite to a sound output direction and a side surface curved to a direction of the sound output direction from a peripheral end of the rear surface communicate with each other, and the terminal covers the opening on the rear surface of the frame. Therefore, the opening is provided on the side surface of the frame, and ventilation performance of the speaker device is ensured. In addition, by such amount that no opening is provided on the rear surface of the frame, a setting space of the terminal can be enlarged on the rear surface of the frame.

Abstract: A thin and cost-effective bi-directional loudspeaker which can reproduce high quality sound toward contrary directions simultaneously, arranged from bottom to the top, consists of a frame (2), a U-yoke (3), a first magnet (4), a washer (5), a copper cap (6), a second magnet (7), a voice coil (8), a diaphragm (9), a spacer (12), a spider (15), a dust cap (18) and a connector (1) disposed on lateral side of the frame (2). Said loudspeaker is characterized in that: said diaphragm (9) is in a cone shape whose an inner edge (10) of said apex is fixed with top of said voice coil (8). A periphery (16) of the spider (15) is fixed with an upper edge (14) of the supporting ring (12) and a bottom edge (13) thereof is fixed with an exterior (11) of the diaphragm (9). Said spider (15), spacer (12) and diaphragm (9) are coupled by adhesive and fixed on top of said frame (2).

Abstract: A diaphragm includes a central portion in a center of the diaphragm, a pleat portion surrounding the central portion and a flange surrounding the pleat portion. A plurality of pleats are defined in the pleat portion and extend from the central portion to the flange along a tangential direction of the central portion.

Abstract: A loudspeaker and method of assembly according to this invention provides for precise alignment between the frame and motor structure before they are connected to one another, and employs a fixture to form the moving assembly of the speaker, i.e. the voice coil, upper and lower suspensions and diaphragm, outside of the frame so that concentric tolerance stack-up is minimized. The moving assembly, once formed, is mounted as a unit to the frame and motor structure to facilitate assembly and repair of the speaker.

Abstract: An electro-acoustic transducer (1) is disclosed, comprising a substrate (2) that comprises conducting paths (3), a cover (4) attached to said substrate (2) thus forming an inner chamber (A) and a space (B) outside said chamber (A), wherein said cover (4) comprises one or more ports (5). A MEMS sensor (6) of said transducer (1) has at least one hole (7) extending from a first side (C) to a second side (D). A membrane (8) is arranged in said hole (7) transverse to the hole axis (E) thus forming a first hole space (a) and a second hole space (b). The sensor (6) furthermore has electrical connectors (9) designed to carry electrical signals representing sound acting on said membrane (8), which connectors (9) are connected to said conducting paths (3). According to the invention, said MEMS sensor (6) is arranged inside said chamber (A) in such a way that said second hole space (b) is connected to said outside space (B) via said port or ports (5) and said first hole space (a) is connected to said inner chamber (A).

Abstract: A speaker vibrating part has a diaphragm body 10A and an approximately cylinder-shaped coupling portion 10B for coupling the diaphragm body 10A to a voice coil bobbin. Protruded strips 10Ba extend out from the inner periphery of the coupling portion 10B toward the center.

Abstract: A frame for a speaker device includes a magnetic circuit housing unit which houses a magnetic circuit, an annular outer peripheral portion which is arranged on an outer side of the magnetic circuit housing unit, and plural arm portions which connect the magnetic circuit housing unit and the outer peripheral portion. The plural arm portions form such plural bridges that a pair of the arm portions are linearly positioned to connect two parts of the outer peripheral portion, and each of the bridges does not pass through a center of the outer peripheral portion.

Abstract: In a loudspeaker, a lead wire of a voice coil is fastened to a diaphragm, and is extended along the diaphragm. A bottom surface of a frame supporting the diaphragm is placed so as to face against a rear surface of the diaphragm. A protrusion is formed on the bottom surface so as to protrude toward the rear surface of the diaphragm. Therefore, the loudspeaker can prevent the lead wire of the voice coil, which is extending along the diaphragm, from being broken. Further, the loudspeaker can prevent the forward protruding diaphragm from being crushed and damaged.

Abstract: A speaker frame comprising: a rear end wall; a damper support portion; an edge support portion to which an edge as an outer circumferential portion of a vibration plate is to be stuck and fixed; and plural frame arms which connect the edge support portion to the rear end wall and the damper support portion, wherein: a width of each of the frame arms increases as the position goes from the edge support portion to the damper support portion, and damper-support-portion-side end portions of side edges of adjoining frame arms are continuous with each other to form a single as an axis of symmetry, a bisector of an angle formed by the adjoining frame arms; and a single vent window is formed in each of the frame arms, and a reinforcement rib erects at a circumferential edge of the vent window.

Abstract: An electrodynamic loudspeaker device comprising a chassis (1), a translatable body (3) and an actuator (11) arranged for moving the translatable body (3) with regard to the chassis (1). The translatable body (3) is provided with (1) a three-dimensional diaphragm body (5) having a contour (5c), a diaphragm base part (5b) and a diaphragm top part (5t) which is wider than said base part (5b), an axial axis (5a) extending from the one part to the other part and (2) a support body (7). The support body (7) has a bound support end portion (7b) fixed to the diaphragm base part (5b) and a free support end portion (7f) and extends substantially parallel to the axial axis (5a) and at least partly inside a space (9) enveloped by the contour (5c) of the diaphragm body (5). The actuator (11) comprises a stationary actuator part (11s) supported by the chassis (1) and a movable actuator part (11m) supported by the support body (7) and sited between both support end portions.

Abstract: An electro-dynamic loudspeaker includes a frame, a magnet and a diaphragm. The frame includes a body portion defining a magnet mounting surface as well as a plurality of protrusions extending from the magnet mounting surface. The magnet is magnetically attracted to the body portion of the frame. The magnet is restricted from movement along the magnet mounting surface by at least one protrusion. The diaphragm is spaced apart from the magnet and coupled to the frame.

Abstract: A baffle assembly fastening system and mounting frame assembly that can be installed and secured without the use of tools. A baffle assembly frame defining an opening to receive a fixture and having an exposed first surface. A fastener is rotationally coupled to the baffle frame. The fastener extends from the exposed first surface to secure the baffle assembly to a recessed mounting frame, wherein the fastener can be manually rotated from a disengaged position to an engaged position in less ring is coupled to the baffle assembly and has a plurality of aligning posts that serve to align the baffle assembly as it is inserted into a recessed mounting frame.

Abstract: The speaker has a frame, a magnetic circuit, a voice coil body and a diaphragm. The magnetic circuit is disposed inside of the frame to form a magnetic gap. The voice coil body is disposed movably in the magnetic gap. The diaphragm is coupled to the voice coil body by an inner periphery edge thereof and to the frame by an outer periphery edge thereof. The outer peripheral surface of a convex portion provided on a bottom of the frame is at least either being brought into contact with or in proximity to the magnetic circuit. The configuration can provide the speaker with excellent heat dissipation characteristics.

Abstract: In a speaker having a magnet circuit causing vibrations of a diaphragm and attached to and supported on a frame, a plurality of projections is formed on a bottom portion of the frame supporting the magnetic circuit. The projections are in point contact with a rear-facing face of a flange of a yoke partially forming the magnetic circuit in order for the magnetic circuit to be supported on the speaker frame.

Abstract: A speaker having an improved sound-radiating function to both directions is provided. The speaker includes a magnetic circuit unit, a voice coil, and an auxiliary vibrating plate and a primary vibrating plate sequentially arranged from a forward direction. The voice coil vibrates toward a backward direction and a forward direction due to interaction with the magnetic circuit unit. The auxiliary vibrating plate is cone-shaped and has a damping function. The primary vibrating plate is also cone-shaped. Central necks of the primary vibrating plate and the auxiliary vibrating plate are fixed on the voice coil, respectively. The auxiliary vibrating plate is enlarged toward a forward direction and the primary vibrating plate is enlarged toward a backward direction.

Abstract: The present invention relates to a speaker which includes a frame module. The frame module includes a frame body defining a gap thereon, a printed circuit board disposed on a rear surface of the frame body, a magnet mounted in the frame body, and a magnetic washer disposed before the magnet and in the frame body. A phonation module includes a diaphragm and a voice coil assembled in the frame body and surrounding the magnet and the magnetic washer. Two lead wires are led out from the voice coil and led out of the speaker through the gap of the frame body. The voice coil adheres to a back surface of the diaphragm. A steel mask with meshes is mounted in front of the diaphragm.

Abstract: A speaker gasket and its manufacturing method, and a speaker device, the speaker gasket formed by a rectangular sheet with a flat opening of a girth of a prescribed length at the center and capable of significantly reducing the amount of wasteful material in manufacturing, the speaker device offering high reliability.

Abstract: An electromagnetic exciter includes a magnetic circuit device composed of an outer yoke, a flat magnet arranged within the outer yoke, and an inner yoke mounted on the magnet, and a casing within which the magnetic circuit device is contained. The casing has a flat plate and a cylindrical wall. A magnetic gap is defined between the side wall of the outer yoke and the outer peripheral wall of the inner yoke. A voice coil is secured to the flat plate of the casing and inserted into the magnetic gap. A suspension extends between the cylindrical wall of the casing and the magnetic circuit device so that the magnetic circuit device is supported by the casing. An annular weight is secured around the outer yoke. The suspension has openings. The weight has projections loosely fitted within the openings.

Abstract: A speaker device includes a magnetic circuit system and a vibration system including a frame. The frame has a magnetic circuit housing unit housing the magnetic circuit, an outer peripheral portion arranged on an outer side thereof and having an annular shape, and plural arm parts connecting the magnetic circuit housing unit and the outer peripheral portion. A damper mounting part on which an outer peripheral portion of a damper is mounted is formed at the outer peripheral portion of the magnetic circuit housing unit. A rib upwardly standing is provided at the outer peripheral portion of an upper surface of the damper mounting part. The height of the vicinity of the connecting part between the rib and the arm part is set larger than the height of the rib corresponding to an area other than the vicinity, and thus the height of the rib is partly different.

Abstract: A frame with a pot type yoke incorporated therein is held on a seating base, and an adhesive supplying means is disposed at a position located in close proximity to this seating base. A supply head of this adhesive supplying means has its supply port opposing an end face of an annular portion. The supply of the adhesive is effected while the seating base is rotated, and the adhesive is supplied starting with one groove, and is supplied continuously up to the other groove.

Abstract: A frame for a speaker device includes a magnetic circuit housing unit which houses a magnetic circuit, a substantially annular outer peripheral portion which is arranged on an outer side of the magnetic circuit housing unit, and plural arm portions which connect the magnetic circuit housing unit and the outer peripheral portion. Each of the plural arm portions has a sectional shape of a one-open-end shape having a connected end and an open end, and the plural arm portions include an arm portion having the open end oriented to one direction and an arm portion having the open end oriented to a direction opposite to the one direction.

Abstract: The invention relates to a gasket, and in particular a gasket for acoustically sealing an audio component inside an electronic apparatus. A gasket for acoustically sealing an audio component inside an electronic apparatus, the gasket including a plurality of elongate channels extending through the gasket, the gasket being configured to provide a lower acoustic resistance through the channels than transverse to the channels.

Abstract: A loudspeaker includes a housing with front and rear sides, a diagram flexibly connected to the housing, and an actuator or displacing the diaphragm with respect to the housing along a translation axis. The housing extends around the translation axis and includes a conical forepart widening towards the forepart, a base part positioned at the rear side, and an intermediate housing part. The intermediate part extends between the forepart and the base part and includes transition areas connected to these parts. The transitions behave as hinges under the influence of an axial load above a certain value, whereby the intermediate housing portion turns towards the translation axis and the forepart turns towards the rear side under the influence of such a load.

Abstract: A speaker assembly may include a speaker basket, a mounting plate, and a shell pot. The speaker basket may be a plastic speaker basket. The mounting plate may be insert molded into the speaker basket. The shell pot may be seated into an opening in the mounting plate and coupled to the mounting plate. Further, the shell pot may be configured to house additional speaker components, such as a motor assembly.

Abstract: The present invention is to provide a speaker to prevent deterioration of sound characteristics and to be easily inspected with eyes about a cause to deteriorate the sound characteristics. The speaker includes a magnetic circuit and a vibration portion. The magnetic circuit forms a magnetic gap and the vibration portion has a voice coil, a drive cone, and a diaphragm. The voice coil accepts signal current and is disposed in the magnetic gap. The drive cone is attached to the voice coil and has an upstanding segment at an outer edge of the drive cone. The diaphragm is superposed on the drive cone and the outer edge thereof is spaced from the upstanding segment. An adhesive agent is filled between the outer edge of the diaphragm and the upstanding segment to be fixed to the drive cone.

Abstract: A narrow speaker unit includes a diaphragm including first and second cone-type vibrating sections, a first drive section driving the first vibrating section, the first drive section attached to the first vibrating section with a drive center of the first vibrating section displaced in the longitudinal direction from the center of the first vibrating section, and a second drive section driving the second vibrating section, the second drive section attached to the second vibrating section with a drive center of the second vibrating section displaced in the longitudinal direction from the center of the second vibrating section.

Abstract: A loudspeaker comprises a frame, a magnetic circuit unit, a vibration unit and a snap fastening device. The frame has a recess. The magnetic circuit unit is received in the recess of the frame. The magnetic circuit unit includes a yoke. The vibration unit is received in the recess of the frame. The snap fastening device connects the yoke, which is inserted into the recess of the frame, to the frame.

Abstract: An electromagnetic transducer such as an audio speaker which includes an asymmetric diaphragm to deliver smooth frequency response with reduced distortion by reduction of common modes in the diaphragm. Other benefits such as asymmetric directivity patterns can be realized. The asymmetric cone has a perimeter OD at which a surround may be coupled, and an ID at which a bobbin or spacer may be coupled. The center of the ID is not coincident with the center of the OD. The transducer further includes a stabilization mechanism for reducing rocking of the diaphragm assembly. The stabilization mechanism may include mass balancing of the diaphragm and/or adjustments to the location or symmetry of the suspension components.

Abstract: A speaker having a locating ring mounted in an accommodating open chamber inside a basket to hold down a damper is disclosed. The basket has an annular bottom rib protruded from the bottom side of the accommodating open chamber around the center of the basket, and a plurality of radial reinforcing ribs formed integral with the annular bottom rib and radially extending over the annular bottom rib to the topmost edge of the basket and equiangularly spaced around the accommodating open chamber, each radial reinforcing rib having a groove extending along the length thereof inside the accommodating open chamber and a plurality of slots formed in the groove and cut through the annular bottom rib for guiding heat and noises out of the accommodating open chamber during operation of the speaker.

Abstract: A thin speaker having a magnetic circuit (2) disposed at the front of a cone-like diaphragm, wherein an internal magnetic type magnetic circuit (2) and a vibration system are supported by a sufficiently strong frame formed of two pieces having an outline of generally disk-shape and partly overlapped concentrically with each other, the acoustic characteristics are prevented from being deteriorated by preventing support bodies (7, 7A) for the magnetic circuit (2) from covering the forward of the sound emitting face of the cone-like diaphragm (3), and speaker component parts are formed so as to be assembled by stacking on one jig (1) from one direction with a specified procedure, whereby an assemblability can be improved.

Abstract: A case for containing an electrical instrument, comprises a frame having a peripheral wall portion, a cover member having a peripheral wall portion fitted on the peripheral wall portion of said frame and configured to form a space for containing the electrical instrument between the frame and the cover member, at least one hole provided in one of the peripheral wall portions of the frame and the cover member to fix the frame and the cover member, and a protrusion provided on the other of the peripheral wall portions of the frame and the cover member for being inserted in said hole.

Abstract: A speaker driver has a detachable motor and basket to allow attachment or separation of the motor assembly from the basket assembly. Two embodiments are disclosed, a thread-on detachable motor and a bolt-on detachable motor.

Abstract: A miniaturized electro-dynamic sound transducer has a housing made of deep drawn sheet metal. A magnet system with a magnet is arranged in the housing. A diaphragm provided with a coil is arranged in the housing, and wires extend from the coil to contacts. The housing has an outer diameter of maximally 20 mm. The thin sheet metal of the housing has an average thickness of maximally 0.2 mm. The magnet system has a lower pole piece and an upper pole piece, wherein the pole upper and lower pieces are made of sheet steel having a thickness of at least 1.5 times an average thickness of the bottom of the housing.

Abstract: There is provided a speaker unit comprising: an elliptical vibrating diaphragm; a cylindrical voice coil secured at one end thereof on the center of the elliptical vibrating diaphragm; a frame structure for movably supporting the vibrating diaphragm, said frame structure being formed into a rectangular or elliptical shape and having a through hole in the center thereof; a magnetic circuit formed by (1) a top plate having a rectangular shape and having a through hole in the center thereof, (2) a plate-shaped magnet having a rectangular shape and having a through hole in the center thereof, (3) a back plate having a rectangular shape and having an upright pole on the center thereof. In this speaker unit, the top plate, the plate-shaped magnet and the back plate each has a width which is narrower than that of the frame structure in its shorter axis.