Patents by Inventor Martin Colloms
Martin Colloms has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7194098Abstract: 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 disclosed and claimed, a distribution of resonant modes of its natural bending wave vibration at least over said area that is dependent on values of particular parameters of said members, including geometrical configuration and directional bending stiffness(es), which values have been selected to predetermine said distribution of natural resonant modes being consonant with required achievable acoustic action of said member for operation of said device over a desired operative acoustic frequency range.Type: GrantFiled: March 7, 2005Date of Patent: March 20, 2007Assignee: New Transducers LimitedInventors: Henry Azima, Martin Colloms, Neil Harris
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Patent number: 7158647Abstract: 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 disclosed and claimed, a distribution of resonant modes of its natural bending wave vibration at least over said area that is dependent on values of particular parameters of said members, including geometrical configuration and directional bending stiffness(es), which values have been selected to predetermine said distribution of natural resonant modes being consonant with required achievable acoustic action of said member for operation of said device over a desired operative acoustic frequency range.Type: GrantFiled: March 7, 2005Date of Patent: January 2, 2007Assignee: New Transducers LimitedInventors: Henry Azima, Martin Colloms, Neil Harris
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Patent number: 7151837Abstract: 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 has an intended operative frequency range and includes a resonant element having a frequency distribution of modes in the operative frequency range and a coupler for mounting the transducer to the acoustic radiator. The loudspeaker may be incorporated in a telephone handset or a visual display unit.Type: GrantFiled: July 24, 2002Date of Patent: December 19, 2006Assignee: New Transducers LimitedInventors: Graham Bank, Martin Colloms, Neil Simon Owen, Neil Harris, Martin Christopher Cassey
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Patent number: 7149318Abstract: 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 operative frequency range. Parameters of the transducer (14) may be adjusted to improve the modality of the resonant element. A loudspeaker (10) or a microphone may incorporate the transducer.Type: GrantFiled: January 24, 2001Date of Patent: December 12, 2006Assignee: New Transducers LimitedInventors: Graham Bank, Neil Harris, Martin Colloms
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Publication number: 20060227983Abstract: 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 along the one axis of the panel, and means restraining or preventing resonance along the other axis of the panel whereby the panel radiates an acoustic output which is of wide directivity along the one axis and of narrow directivity along the other axis of the panel.Type: ApplicationFiled: July 13, 2004Publication date: October 12, 2006Inventors: Graham Bank, Andrew Marchant, Martin Colloms, Paul Borton
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Patent number: 7120263Abstract: 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 of the radiator, which stiffening member is of substantially U-shaped cross section. Also disclosed is a method of making a bending wave panel-form acoustic radiator, comprising forming a sheet into a panel having at least one integral corrugation member extending out of the plane of the sheet and at least partly across the sheet and of substantially U-shape cross-section, to stiffen the sheet to have a desired ability to support and propagate bending waves.Type: GrantFiled: March 21, 2002Date of Patent: October 10, 2006Assignee: New Transducers LimitedInventors: Henry Azima, Martin Colloms, Graham Bank, Charles Bream, Julian Fordham
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Publication number: 20060159293Abstract: A panel loudspeaker comprising a panel, at least one driver, and a frame connected to the panel. The panel has a plurality of edges and is capable of sustaining bending waves. The driver is connected to the panel at a location that is neither at or near the edges of the panel, nor at or near the center of the panel, to vibrate the panel to cause it to resonate and produce an acoustic output. The driver location is in a positioning area that lies between a center-of-gravity area, which is centered on the center of gravity of the panel, and an edge area, which abuts the edges of the panel.Type: ApplicationFiled: December 27, 2005Publication date: July 20, 2006Inventors: Henry Azima, Martin Colloms, Neil Harris
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Patent number: 6965678Abstract: 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 acoustic radiator. An electronic article can incorporate the same. An electronic article comprises a body in or on which a bending wave loudspeaker is mounted. The loudspeaker comprises a bending wave acoustic radiator and an electromechanical force transducer mounted to the radiator to vibrate the radiator to produce an acoustic output. The transducer has an intended operative frequency range and comprises a resonant element having a frequency distribution of modes in the operative frequency range and coupling means for mounting the transducer to the radiator.Type: GrantFiled: July 22, 2002Date of Patent: November 15, 2005Assignee: New Transducers LimitedInventors: Graham Bank, Martin Colloms, Neil Simon Owen, Neil Harris, Martin Christopher Cassey
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Patent number: 6956957Abstract: 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.Type: GrantFiled: January 5, 1998Date of Patent: October 18, 2005Assignee: New Transducers LimitedInventors: Henry Azima, Martin Colloms, Martin Roberts, Graham Bank, Neil Harris, Bijan Djahansouzi
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Publication number: 20050147273Abstract: 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 disclosed and claimed, a distribution of resonant modes of its natural bending wave vibration at least over said area that is dependent on values of particular parameters of said members, including geometrical configuration and directional bending stiffness(es), which values have been selected to predetermine said distribution of natural resonant modes being consonant with required achievable acoustic action of said member for operation of said device over a desired operative acoustic frequency range.Type: ApplicationFiled: March 7, 2005Publication date: July 7, 2005Inventors: Henry Azima, Martin Colloms, Neil Harris
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Publication number: 20050147274Abstract: 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 disclosed and claimed, a distribution of resonant modes of its natural bending wave vibration at least over said area that is dependent on values of particular parameters of said members, including geometrical configuration and directional bending stiffness(es), which values have been selected to predetermine said distribution of natural resonant modes being consonant with required achievable acoustic action of said member for operation of said device over a desired operative acoustic frequency range.Type: ApplicationFiled: March 7, 2005Publication date: July 7, 2005Inventors: Henry Azima, Martin Colloms, Neil Harris
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Patent number: 6904154Abstract: 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 disclosed and claimed, a distribution of resonant modes of its natural bending wave vibration at least over said area that is dependent on values of particular parameters of said members, including geometrical configuration and directional bending stiffness(es), which values have been selected to predetermine said distribution of natural resonant modes being consonant with required achievable acoustic action of said member for operation of said device over a desired operative acoustic frequency range.Type: GrantFiled: October 18, 2001Date of Patent: June 7, 2005Assignee: New Transducers LimitedInventors: Henry Firouz Azima, Martin Colloms, Neil Harris
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Publication number: 20050084131Abstract: A method of making an acoustic member for a loudspeaker having an operative frequency range and acoustic output which depends on the values of parameters of geometry, bending stiffness, areal mass distribution, damping, tension modulus, compression modulus and shear modulus of the member, the method comprising providing an acoustic member having at least one frequency dependent parameter with a variation which depends on frequency, selecting the variation which depends on frequency, selecting the variation of the frequency dependent parameter to effect a desired acoustic output from the loudspeaker and making the member having said selected variation. The method may comprise selecting an acoustic member having a component made from a frequency dependent material which has a glass to rubber transition Tg in the operative frequency range of the speaker.Type: ApplicationFiled: May 1, 2002Publication date: April 21, 2005Inventors: Julian Fordham, Martin Colloms, Russ Brown
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Patent number: 6865277Abstract: 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 the acoustic radiator to produce an acoustic output, characterized in that the transducer has an intended operative frequency range and comprises a resonant element having a frequency distribution of modes in the operative frequency range and a coupler on the resonant element for mounting the transducer to the acoustic radiator.Type: GrantFiled: July 22, 2002Date of Patent: March 8, 2005Assignee: New Transducers LimitedInventors: Graham Bank, Martin Colloms, Neil Simon Owen, Neil Harris, Martin Christopher Cassey
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Patent number: 6751329Abstract: 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 the housing securely to the panel, an electro-mechanical transducer in the housing, a support for the transducer in the housing, the transducer being adapted to contact the panel to apply bending wave energy thereto when energized with an electrical audio signal, and an audio signal amplifier in the housing.Type: GrantFiled: September 19, 2001Date of Patent: June 15, 2004Assignee: New Transducers LimitedInventors: Martin Colloms, Ian David MacFarlane
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Patent number: 6751333Abstract: 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 resilient suspension, and the magnet of the magnet assembly may be disposed within the tubular member of the motor coil assembly. Loudspeakers incorporating such transducers also are disclosed.Type: GrantFiled: October 25, 2000Date of Patent: June 15, 2004Assignee: New Transducers LimitedInventors: Henry Azima, Martin Colloms, Neil John Harris
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Patent number: 6580799Abstract: A keyboard (40) having a bending wave loudspeaker (46) comprising an acoustic radiator capable of supporting bending waves and a transducer (48) mounted on the acoustic radiator to excite bending waves in the acoustic radiator to produce an acoustic output. The keyboard comprises a housing (38) having a lid (36) supporting individual keys (14) or a touchpad. The loudspeaker (46) may be integrally formed with the base (42) of the housing of the loudspeaker, or, if a touchpad is used, may be integral with the touchpad. The acoustic radiator may be a resonant mode bending wave radiator.Type: GrantFiled: October 20, 2000Date of Patent: June 17, 2003Assignee: New Transducer LimitedInventors: Farad Azima, Martin Colloms
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Publication number: 20030057294Abstract: An atomiser comprising a fluid delivery system, a nozzle which is connected to and receives fluid from the fluid delivery system, whereby fluid is vaporised on exiting the nozzle to form an aerosol stream of fluid droplets, and a vibration assembly which comprises a member capable of supporting vibration which is positioned adjacent the nozzle and an electromechanical force transducer mounted to the member to excite vibration in the member so as to input vibrational energy into the droplets. The transducer has an intended operative frequency range and comprises a resonant element having a frequency distribution of modes in the operative frequency range.Type: ApplicationFiled: July 24, 2002Publication date: March 27, 2003Applicant: NEW TRANSDUCERS LIMITEDInventors: Graham Bank, Martin Colloms, Neil Simon Owen, Neil Harris, Martin Christopher Cassey
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Publication number: 20030059068Abstract: 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 acoustic radiator. An electronic article can incorporate the same. An electronic article comprises a body in or on which a bending wave loudspeaker is mounted. The loudspeaker comprises a bending wave acoustic radiator and an electromechanical force transducer mounted to the radiator to vibrate the radiator to produce an acoustic output. The transducer has an intended operative frequency range and comprises a resonant element having a frequency distribution of modes in the operative frequency range and coupling means for mounting the transducer to the radiator.Type: ApplicationFiled: July 22, 2002Publication date: March 27, 2003Applicant: NEW TRANSDUCERS LIMITEDInventors: Graham Bank, Martin Colloms, Neil Simon Owen, Neil Harris, Martin Christopher Cassey
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Publication number: 20030059069Abstract: 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 has an intended operative frequency range and includes a resonant element having a frequency distribution of modes in the operative frequency range and a coupler for mounting the transducer to the acoustic radiator. The loudspeaker may be incorporated in a telephone handset or a visual display unit.Type: ApplicationFiled: July 24, 2002Publication date: March 27, 2003Applicant: NEW TRANSDUCERS LIMITEDInventors: Graham Bank, Martin Colloms, Neil Simon Owen, Neil Harris, Martin Christopher Cassey