Class 381/404 - Spider

Subclass of Class 381 - Electrical audio signal processing systems and devices
Definition: Subject matter including a concentrically-waved membrane
No. of applications: 29
Last issue date: 07/08/2010

Application No.	Application Title	Issue Date
20100172535	Spider arrangement for electromagnetic vibrator A spider arrangement for an electromagnetic vibrator includes an outer rim adapted for mounting to a supporting frame of the electromagnetic vibrator, an inner rim coaxially aligning with the outer rim for mounting to an induction coil of the electromagnetic vibrator, a...	07/08/2010
20100150391	Planar Flexible Voice Coil Suspension A voice coil suspension system comprising a spider formed of flexible dielectric material defining a flexure portion configured to suspend a voice coil for axial displacement and an elongate connector portion for carrying flat electrical conductors for electrically conn...	06/17/2010
20100104127	Loudspeaker A loudspeaker including a bottom plate being formed from a material capable of transmitting a magnetic flux. The bottom plate has a bottom portion, a cylindrical inside portion that extends upwardly from the bottom portion, and a cylindrical outside portion that extends...	04/29/2010
20100046788	Loudspeaker Spider A loudspeaker spider comprises rubber type material having a central opening defining an inner rim, a periphery outer rim, and a spring effect portion provided at a portion located between the inner rim and the outer rim to enable the inner rim to be moved axially up an...	02/25/2010
20090141926	Optimized Moving-Coil Loudspeaker An optimized moving-coil loudspeaker is described herein. The loudspeaker includes an acoustic-radiating diaphragm that is non-cylindrical shape. The diaphragm is a substantially-planar substrate having uniform density. A moving-coil assembly is coupled to the acoustic-...	06/04/2009
20080075318	SPIDER WITH SPIRAL TINSEL LEAD AND TRANSDUCER AND LOUDSPEAKER COMPRISING SAME A spider for a loudspeaker. The spider comprises a spider plate with integrated leads. The spider plate is an annular plate that forms a wave shape in the radial section. Each lead, when installed, assumes a generally spiral shape passing up and down through the spider ...	03/27/2008
20070189576	EVENLY ELASTICALLY DEFORMABLE DAMPER FOR SPEAKER An evenly elastically deformable damper for speaker is disclosed to include a damper body of a plain weave fabric having elastic warp wires and weft wires intercrossed in X and Y directions and a center through hole cut through the top and bottom surfaces and bonded to ...	08/16/2007
20070154058	Corrugated damper for speaker A corrugated damper for a speaker has a plurality of alternating concentric peaks and valleys formed on a surface thereof and a plurality of ribs installed on the valleys in such a way that both ends of the ribs are connected between their respective two adjacent peaks,...	07/05/2007
20070154059	Damper structure of preventing irregular vibration for speaker A damper structure for a speaker is provided to preventing irregular vibrations, and the improvements comprises the damper having one or more elastic reinforcing pieces attached with a corrugated surface of the damper. The reinforcing pieces may be of smaller annular st...	07/05/2007
20070071274	Insert moulded surround with integrated lead-out wires The present invention relates to a suspension member for a diaphragm and to an electro-acoustic transducer applying such suspension member. The suspension member comprises an inner portion being adapted to be attached to a piston, an outer portion being adapted to be co...	03/29/2007
20060251285	[SURGE-PROOF DAMPER] A surge-proof damper for use in a speaker is disclosed to include a damper body made of an elastic material by cross-weaving, a plurality of reinforcing pads made of an elastic material by cross-weaving and fastened to the damper body by stitches or a bonding agent to a...	11/09/2006
20060215871	Loudspeaker A high efficiency loudspeaker without a damper is provided. The loudspeaker includes magnetic circuit having a magnetic gap and a voice coil member, which has movable coil, disposed in the magnetic gap of the magnetic circuit. The loudspeaker also includes a diaphragm, ...	09/28/2006
20060171557	[SPEAKER] 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 plu...	08/03/2006
20060159300	Spider with leadwires sandwiched An annular spider with lead wires sandwiched is provided. The improved structure of the spider allows the lead wires to be sandwiched in between two surface linings. The annular spider that serves to have the voice coil held in concentric position is formed by a negativ...	07/20/2006
20060133637	Loudspeaker with integrated spider standoff ring A loudspeaker is provided in which the outer diameter or foot of the spider is over molded with a standoff formed of a plastic material in an injection molding tool so that the spider and standoff form an integral unit. The standoff, in turn, is glued or otherwise affix...	06/22/2006
20060078153	Speaker having spacer ring inside frame A speaker comprises: a magnetic circuit composed of a pot yoke, a magnet, and a pole piece; a diaphragm shaped conical, defining an outer periphery and an inner periphery, and having a surround half-rolled and fixedly disposed at the outer periphery and a voice coil bob...	04/13/2006
20060018501	Reinforced speaker damper A reinforced speaker damper includes a ring-shaped damper body made of wove fabric in the form of a mesh and press-molded to form a wavy cross-section having alternating ridges and troughs. A plurality of reinforces is attached to the damper body. Each reinforce include...	01/26/2006
20060002580	Loudspeaker spider with enhanced structure A spider with an enhanced structure is disclosed. The spider has a plurality of concentric corrugations each of which has a plurality of inflections so that the concentric corrugations have polygonal shapes. With this enhanced structure, a spider can have an improved st...	01/05/2006
20050276435	Speaker device A speaker device includes a terminal member, a connecting member, a conductive damper and a voice coil. The terminal member has a first connecting part, a slit, a hole, a second connecting part and a fixing part. The connecting member has a projecting portion on a bent ...	12/15/2005
20050271243	Speaker apparatus A speaker includes a speaker unit, a case, and a vibration absorber. The case includes an outer case for enclosing the speaker unit. The outer case is formed of a closed end tube, having an outer bottom plate and an outer cylindrical wall extending from a periphery of t...	12/08/2005
20050271240	Speaker device and method of manufacturing the speaker device It is an object of the present invention to provide a speaker device equipped with a damper having an improved durability. Namely, the speaker device is equipped with a damper containing aramid fiber. An adhesive material is interposed between the damper and a frame. A ...	12/08/2005
20050254682	Damper for speaker device, speaker device using the damper and manufacturing method therefor A damper having an annular elastic part is manufactured by stamping out a wire mesh material formed by weaving a plurality of metal wires into a net shape with a press device. The elastic part of the damper thus manufactured has a wire mesh structure. Thereby, a damper ...	11/17/2005
20050244030	Speaker apparatus A speaker apparatus including a diaphragm; a damper which elastically supports the diaphragm at a damper mount portion; and a frame to which the diaphragm and the damper are attached, wherein the frame has at least one aperture on a back side in a sound emitting directi...	11/03/2005
20050244031	Suspension for the voice coil of a loudspeaker drive unit A suspension, for the voice coil of a loudspeaker drive unit, includes an inner ring to be connected to the voice coil of the loudspeaker drive unit; an outer ring to be connected to the chassis of the loudspeaker drive unit; and a plurality of radial spoke-like members...	11/03/2005
20050244029	Speaker apparatus and speaker diaphragm A speaker apparatus including a diaphragm for emitting sound; and a frame for holding the diaphragm, wherein the diaphragm has a bent portion along inner periphery of the frame. ...	11/03/2005
20050147272	Speaker suspension element A suspension element allowing motion along an axis including two or more radial, compliant suspension arms, each having a central portion deviating circumferentially and arranged such that the midportion of each arm can translate along at least one of the circumferentia...	07/07/2005
20050117772	Thin type speaker having a damper A thin type speaker includes a casing having a top-open receiving chamber, and an electromagnet set mounted in the top-open receiving chamber and formed of a yoke, a magnet, a pole piece, and a voice coil. A vibration diaphragm is peripherally connected to the periphery...	06/02/2005
20050013461	Loudspeaker A loudspeaker including a frame, a movable diaphragm that oscillates, and a suspension for mounting the diaphragm to the frame, where the suspension comprises a flexible surround having a substantially enclosed space where at least a portion of the flexible surround is ...	01/20/2005
20050008188	Loudspeaker with a double spider centering system A loudspeaker includes a frame, a diaphragm disposed in the frame, a motor system for the diaphragm including a magnet system attached to the frame and a voice coil system attached to the diaphragm. A surround is disposed in a relatively non-supporting and non-stressing...	01/13/2005

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Class 381/404 - Spider