| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 381403000 | Centering from outside bobbin or diaphragm | 6 |
| 381404000 | Spider | 6 |
| 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-radiating diaphragm. The assembly is configured to move back and forth in a linear fashion. As the assembly is connected to the diaphragm it causes acoustic waves to be emitted from a front surface the acoustic-radiating diaphragm. The acoustic-radiating diaphragm is not supported by a conventional basket, among other differences. | 06-04-2009 |
| 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 and down with respect to the outer rim when a driving force is applied to the inner rim and be retained to an original equilibrium position after the driving force is released. The spider also includes an integral conductor arrangement which comprises at least one conductor where at least a portion of the at least one conductor extends from the inner rim to the outer rim of the loudspeaker spider. | 02-25-2010 |
| 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 upwardly from the bottom portion and encircles the inside portion. A cylindrical magnet is positioned on the bottom portion. A top plate is formed from a magnetic flux-transmissive material and extends outwardly from the top of the magnet. The top plate is laterally spaced away from the outside portion so as to form an air gap between the top plate and the outside portion. A diaphragm has a bobbin portion that is positioned within the air gap and is capable of free movement in the air gap. The suspension portion of the diaphragm is positioned at the center of the magnet. The sound-producing portion of the diaphragm is affixed to the top of the bobbin portion and is affixed to the top of the suspension portion. A resilient spider extends between the suspension portion of the diaphragm and the magnet. A voice coil is wound around the bobbin portion within the air gap. | 04-29-2010 |
| 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 connecting terminals of said voice coil to stationary electric contacts. | 06-17-2010 |
| 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, and a plurality of suspension arms radially and evenly extended from the inner rim to the outer rim to enable the inner rim to be moved axially in responsive to an electromagnetic force between the induction coil and a magnetic element. Each of the suspension arms provides a restoring force towards the inner rim for allowing the induction coil to alignedly move in a pistonic motion with respect to the magnetic element in a stable manner. | 07-08-2010 |
| 20160037264 | Apparatus Having Varying Geometry - Embodiments for a speaker spider of a loudspeaker are provided. The speaker spider may include a central opening and a plurality of concentric corrugations. Dimensions of the speaker spider may substantially homogenize stress on the speaker spiders during operation of the loud speaker. Dimensions of such a speaker spider that substantially homogenizes stress on the speaker spider during operation may involve one or more of (i) corrugations having azimuthally varying depths, (ii) corrugations having azimuthally varying crest and/or trough curvature radii, and (iii) corrugations having angularly varying distances from the central opening of the speaker spider, among other possibilities. | 02-04-2016 |
