| Patent Number |
Title Of Patent |
Date Issued |
| D466885 |
Loudspeaker |
December 10, 2002 |
|
| D455131 |
Visual display unit |
April 2, 2002 |
|
| D442164 |
Loudspeaker |
May 15, 2001 |
|
| D442163 |
Loudspeaker |
May 15, 2001 |
|
| D442162 |
Loudspeaker |
May 15, 2001 |
|
| D440220 |
Loudspeaker |
April 10, 2001 |
|
| D420005 |
Loudspeaker |
February 1, 2000 |
|
| D416907 |
Loudspeaker |
November 23, 1999 |
|
| D415764 |
Loudspeaker |
October 26, 1999 |
|
| 7570771 |
Loudspeakers |
August 4, 2009 |
| A loudspeaker comprising a bending wave panel-form acoustic radiator having a first portion and at least one further portion a transducer for exciting bending waves in the radiator, the transducer being coupled to the further portion of the radiator to cause the radiator to radiate an |
| 7564988 |
Audio apparatus |
July 21, 2009 |
| Audio apparatus (30) comprising a piezoelectric transducer (44) and coupling means (54) for coupling the transducer to a user's pinna (32) whereby the transducer excites vibration in the pinna (32) to cause it to transmit an acoustic signal from the transducer (44) to a user's inner |
| 7564984 |
Acoustic device |
July 21, 2009 |
| A bending wave loudspeaker having an operating frequency range and a coincidence frequency which is above the operating frequency range, comprising a resonant panel having two generally orthogonal axes, vibration exciting means coupled to the panel to excite the panel into resonance |
| 7475598 |
Electromechanical force transducer |
January 13, 2009 |
| An electromechanical force transducer comprises at least two adjacent resonant elements and a damping layer coupled between their adjacent faces. The damping layer is selected so that the output is increased in the region of internal cancellation in the transducer. The adjacent reson |
| 7376523 |
Contact sensitive device |
May 20, 2008 |
| A contact sensitive device includes a member capable of supporting bending waves and a plurality of sensors mounted on the member for measuring bending wave vibration in the member. The sensors measure the bending wave signals and by calculating a phase angle for each measured bending |
| 7372968 |
Loudspeaker driver |
May 13, 2008 |
| An inertial exciter (40) for an acoustic radiator (42), and a loudspeaker incorporating an acoustic radiator and such an exciter. The exciter has a massive member (44); a coupler (56) adapted for attachment to the acoustic radiator (42) and adapted for relative movement with respect to |
| 7283594 |
Impedance modulation signaling |
October 16, 2007 |
| Signalling between transmitting means and receiving means wherein signals from the transmitting means are subjected by the receiving means to deliberate reflections and resulting signals are transmitted back as meaningful at the transmitting means, different deliberate reflections ha |
| 7245729 |
Loudspeaker |
July 17, 2007 |
| A loudspeaker includes a box-form structure made from stiff lightweight sheet material to define a plurality of faces, at least one face of the structure forming a panel-form bending wave acoustic radiator, and an electro-acoustic vibration transducer coupled thereto to apply bending |
| 7197155 |
Magnet assembly for loudspeakers |
March 27, 2007 |
| A magnet assembly having inner and outer yokes of magnetic flux conductive material which together define an annular air gap and a radially oriented magnet sandwiched between the inner and outer yokes such that a first face of a first magnetic polarity contacts the inner yoke and a secon |
| 7194098 |
Acoustic device |
March 20, 2007 |
| Acoustic device including a member extending transversely of its thickness and capable of sustaining bending waves at least over an intendedly consequentially acoustically active area of the transverse extent of said member, the member having, by reason of orderly design methodology |
| 7184898 |
Contact sensitive device |
February 27, 2007 |
| A contact sensitive device includes a member capable of supporting bending waves and a plurality of sensors mounted on the member for measuring bending wave vibration in the member. The sensors measure the bending wave signals and by calculating a phase angle for each measured bending |
| 7158647 |
Acoustic device |
January 2, 2007 |
| Acoustic device including a member extending transversely of its thickness and capable of sustaining bending waves at least over an intendedly consequentially acoustically active area of the transverse extent of said member, the member having, by reason of orderly design methodology |
| 7157649 |
Contact sensitive device |
January 2, 2007 |
| Method and apparatus using bending wave vibration to calculate information relating to a contact on a contact sensitive device. The contact sensitive device has a member capable of supporting bending waves, and a device attached to the member measures bending wave propagation in the |
| 7151837 |
Loudspeaker |
December 19, 2006 |
| A bending wave loudspeaker includes a transparent acoustic radiator capable of supporting bending wave vibration and an electromechanical force transducer mounted to the acoustic radiator to excite bending waves in the acoustic radiator to produce an acoustic output. The transducer h |
| 7149318 |
Resonant element transducer |
December 12, 2006 |
| A transducer (14) for producing a force which excites an acoustic radiator, e.g. a panel (12) to produce an acoustic output. The transducer (14) has an intended operative frequency range and comprises a resonant element which has a distribution of modes and which is modal in the oper |
| 7120263 |
Bending wave acoustic radiator |
October 10, 2006 |
| A bending wave panel-form acoustic radiator formed from sheet material to define an acoustically active area and having at least one integral stiffening member in the form of a corrugation extending out of the plane of the sheet and at least partially across the acoustically active area |
| 7062051 |
Acoustic device |
June 13, 2006 |
| A method of improving the modal resonance frequency distribution of a panel (2) for a distribution resonant mode bending wave acoustic device involves analysing the distribution of the modal resonance frequencies of the panel, identifying a modal resonance frequency that is non-uniformly |
| 7010138 |
Loudspeakers |
March 7, 2006 |
| A loudspeaker comprising a phase uncorrelated diffuse sound source and a duct or wave guide coupled to the sound source to direct acoustic energy from the source, the duct or wave guide having a substantially parallel section extending from the vicinity of the sound source and a terminat |
| 6985596 |
Loudspeakers |
January 10, 2006 |
| A loudspeaker comprising a resonant panel-form member adapted to produce an acoustic output and a vibration exciting system on the panel-form member and adapted to apply bending wave energy thereto, characterized in that the vibration exciting system is adapted to apply a bending couple |
| 6965678 |
Electronic article comprising loudspeaker and touch pad |
November 15, 2005 |
| A touch pad assembly for use in an electronic article. The assembly comprises a touch pad, a coupler for mechanically coupling the touch pad to casing of the electronic article and a transducer which is mounted by coupling means on the coupler or the touch pad to drive the casing as an |
| 6956957 |
Loudspeakers |
October 18, 2005 |
| A loudspeaker drive unit comprising a resonant acoustic radiator, an exciter on the radiator to apply bending wave energy to the radiator to cause it to resonate, a support for the loudspeaker drive unit, and means resiliently coupling the exciter to the support. |
| 6922642 |
Contact sensitive device |
July 26, 2005 |
| A contact sensitive device includes a member capable of supporting bending waves, a first sensor mounted on the member for measuring bending wave vibration in the member, the sensor determining a first measured bending wave signal, a second sensor to determine a second measured bending w |
| 6911901 |
Multi-functional vibro-acoustic device |
June 28, 2005 |
| Multi-functional electro-acoustic apparatus has a bending wave panel loudspeaker, an input device (11) forming part of the surface of the bending wave panel (5), and means (13) for providing force feedback to the input device. An electro-acoustic transducer (15) attached to the bending |
| 6904154 |
Acoustic device |
June 7, 2005 |
| Acoustic device including a member extending transversely of its thickness and capable of sustaining bending waves at least over an intendedly consequentially acoustically active area of the transverse extent of said member, the member having, by reason of orderly design methodology |
| 6885753 |
Communication device using bone conduction |
April 26, 2005 |
| A communication device comprising a microphone, a conduction interface and an electromechanical force transducer mounted to the conduction interface to drive the interface to conduct sound to a user by bone conduction, characterised in that the transducer has an intended operative freque |
| 6871149 |
Contact sensitive device |
March 22, 2005 |
| A contact sensitive device includes a member capable of supporting bending waves and a plurality of sensors mounted on the member for measuring bending wave vibration in the member. The sensors measure the bending wave signals and by calculating a phase angle for each measured bending wa |
| 6865277 |
Passenger vehicle |
March 8, 2005 |
| A vehicle component for mounting in a passenger compartment of a vehicle, the component comprising a loudspeaker having an acoustic radiator capable of supporting bending wave vibration and an electromechanical force transducer mounted to the acoustic radiator to excite bending waves in |
| 6839444 |
Loudspeakers |
January 4, 2005 |
| A loudspeaker comprising a panel-form acoustic member adapted for operation as a bending wave radiator and an electrodynamic moving coil transducer having a voice coil mounted to the acoustic member to excite bending wave vibration in the acoustic member. The junction between the voice c |
| 6826285 |
Bending wave loudspeaker |
November 30, 2004 |
| A loudspeaker comprising a panel which is sufficiently stiff to support bending waves, the panel having a boundary, a transducer mounted to the panel to apply bending wave energy in the form of dispersive travelling waves thereto at a first location in response to an electrical signal |
| 6813362 |
Loudspeaker and method of making same |
November 2, 2004 |
| A loudspeaker includes an assembly of at least two bending wave panel-form acoustic members each having a set of modes which are distributed in frequency. The parameters of at least two of the acoustic members are selected so that the modal distributions of each acoustic member are s |
| 6795561 |
Panel drive |
September 21, 2004 |
| A loudspeaker is made of a panel supporting bending waves and a transducer covering a substantial portion of the panel surface. At least one constraint, for example a clamp or a mass, is fixed to the panel. Each constraint reduces the mobility of a small area of the panel. Excitation |
| 6760461 |
Vehicle loudspeaker |
July 6, 2004 |
| A vehicle windscreen accessory comprising a body member, an adjustable support structure for the body member whereby the position of the body member can be adjusted, the body member comprising a mirror member and a loudspeaker having a bending wave panel-form acoustic member, the mirror |
| 6751333 |
Inertial vibration transducers |
June 15, 2004 |
| An inertial vibration transducer for exciting bending waves in a sound-radiating member has a motor coil assembly with a tubular member adapted to be rigidly mounted directly to the sound-radiating member by adhesive means. The transducer has a magnet assembly supported on a resilien |
| 6751329 |
Loudspeaker driver |
June 15, 2004 |
| A drive module for attachment to a rigid panel and adapted to apply bending wave energy at audio frequencies to the panel whereby the panel can radiate an audio output. The drive module has a housing adapted to be secured to the panel, at least one foot on the housing and adapted to fix |
| 6694038 |
Acoustic device |
February 17, 2004 |
| A panel form acoustic member capable of supporting bending wave vibration has the bending wave velocity varied in the region of coincidence to provide a range of coincidence frequencies, for causing the acoustic coupling of the bending waves in the panel to occur over a broader range |
| 6676879 |
Method of making vehicle interior trim panel with integral loudspeaker |
January 13, 2004 |
| A method of making a vehicle interior trim panel having at least one integral resonant bending wave loudspeaker panel. The method involves designing the trim panel to comprise at least one panel area capable of and intended to operate as a resonant bending wave loudspeaker, making a |
| 6618487 |
Electro-dynamic exciter |
September 9, 2003 |
| An electro-dynamic inertial vibration exciter (1), for exciting a member (2) having capability to sustain and propagate input vibrational energy comprising a motor coil assembly (3, 4) having a coil (3) rigidly fixed to a tubular coil former member (4), a magnet assembly (5, 6, 7) dispos |
| 6610237 |
Method of making a loudspeaker drive unit having a resiliently suspended panel-form member |
August 26, 2003 |
| A method of making an acoustic device in the form of a loudspeaker drive unit having a resonant panel-form member adapted to provide an acoustic output when excited with bending wave energy, comprising forming a resilient suspension for the panel-form member by molding and simultaneo |
| 6553124 |
Acoustic device |
April 22, 2003 |
| An acoustic device, e.g. a loudspeaker, comprising a resonant multi-mode acoustic radiator panel having opposed faces, a vibration exciter arranged to apply bending wave vibration to the resonant panel to produce an acoustic output, a cavity enclosing at least a portion of one panel face |
| 6546106 |
Acoustic device |
April 8, 2003 |
| Acoustic device comprising a member relying on bending wave action with beneficial distribution of resonant modes thereof, wherein the member has its acoustically active area at least partly bounded by means having a substantially restraining nature in relation to bending wave vibration. |
| 6522760 |
Active acoustic devices |
February 18, 2003 |
| Active acoustic device comprises a panel member (11) having distribution of resonant modes of bending wave action determining acoustic performance in conjunction with a transducer (31-34). The transducer (31-34) is coupled to the panel member (11) at a marginal position. The arrangement |
