Patent US6782111B1 successfully refreshed from Google Patents.
US6782111B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple voicecoil and driver transducing
Assignee: Bose Corp
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Filing: 1998-07-09
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Granted: 2004-08-24
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Expires: 2018-07-09
Abstract
Abstract A loudspeaker system having a dual voice coil for radiating sound waves from a multiple channel system. The loudspeaker system includes an audio signal input, a first driver having a first voice coil which has a first and a second voice coil winding, and a second driver having a voice coil which has a first and a second voice coil winding. The audio signal input is coupled to the second voice coil winding of the first driver and to the second voice coil of the second driver.
Inventors
- 👤 II Peter J. Wagner
- 👤 Charles R. Barker, III
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:27
CPC Classifications
H; H04; H04R; H04R5/00; H04R5/02; H04R9/00; H04R9/06; H04R9/063; H04R2205/00; H04R2205/022; H04S; H04S3/00; H04S3/02
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
114 words
A loudspeaker system comprising: first, second and third audio signal inputs for receiving first, second and third different audio signals respectively, a first driver having a first voice coil, said first voice coil having a first and a second voice coil winding; a second driver having a second voice coil, said second voice coil having a first and a second voice coil winding; wherein said first audio signal input is coupled to said second voice coil winding of said first driver and to said second voice coil of said second driver so that said first driver and said second driver radiate soundwaves representative of said audio signals received by said first audio signal input.
Claim 2
Dependent Claim
114 words
A loudspeaker system comprising: first, second and third audio signal inputs for receiving first, second and third different audio signals respectively, a first driver having a first voice coil, said first voice coil having a first and a second voice coil winding; a second driver having a second voice coil, said second voice coil having a first and a second voice coil winding; wherein said first audio signal input is coupled to said second voice coil winding of said first driver and to said second voice coil of said second driver so that said first driver and said second driver radiate soundwaves representative of said audio signals received by said first audio signal input.
Claim 3
Dependent Claim
39 words
A loudspeaker system in accordance with claim 1 , wherein said first audio signal input is coupled to said second voice coil winding of said first driver and to said second voice coil of said second driver in series.
Claim 4
Dependent Claim
38 words
A loudspeaker system in accordance with claim 1 , wherein said first audio signal input is coupled to said second voice coil of said first driver and to said second voice coil of said second driver in parallel.
Claim 5
Dependent Claim
26 words
A loudspeaker system in accordance with claim 1 and further comprising an enclosure, wherein said first driver and said second driver are contained in said enclosure.
Claim 6
Dependent Claim
43 words
A loudspeaker system in accordance with claim 4 , further comprising a baffle, wherein said baffle separates said enclosure into a first acoustic element and a second acoustic element and wherein said first driver and said second driver are mounted in said baffle.
Claim 7
Dependent Claim
18 words
A loudspeaker system in accordance with claim 5 , wherein said first acoustic element is an enclosed volume.
Claim 8
Dependent Claim
18 words
A loudspeaker system in accordance with claim 6 , wherein said first acoustic element is a ported volume.
Claim 9
Dependent Claim
20 words
A loudspeaker system in accordance with claim 7 , wherein said first acoustic element is a multiple chamber ported volume.
Claim 10
Dependent Claim
32 words
A loudspeaker system in accordance with claim 1 , further comprising a second signal input, wherein said second signal input is coupled to said first voice coil winding of said first driver.
Claim 11
Dependent Claim
31 words
A loudspeaker system in accordance with claim 9 , further comprising a third signal input, wherein said third signal input is coupled to said first voice coil of said second driver.
Claim 12
Dependent Claim
25 words
A loudspeaker system in accordance with claim 9 , wherein signals from said first signal input represent a center channel of a multiple channel signal.
Claim 13
Dependent Claim
23 words
A loudspeaker system in accordance with claim 9 , wherein said first signal input receives signals with spectral components in the bass range.
Claim 14
Dependent Claim
124 words
A loudspeaker system comprising, a first driver; a second driver; a left audio channel input; a right audio channel input; a center audio channel input, wherein said loudspeaker system is constructed and arranged so that sound waves representative of signals on said center audio channel input and on one of said left audio channel input and said right audio channel input are radiated by said first driver and so that sound waves representative of signals on said center audio channel input are radiated by said first driver and said second driver; wherein said first driver has a voice coil having a first winding and a second winding and wherein said center audio channel input is coupled to said second winding of said first driver.
Claim 15
Dependent Claim
124 words
A loudspeaker system comprising, a first driver; a second driver; a left audio channel input; a right audio channel input; a center audio channel input, wherein said loudspeaker system is constructed and arranged so that sound waves representative of signals on said center audio channel input and on one of said left audio channel input and said right audio channel input are radiated by said first driver and so that sound waves representative of signals on said center audio channel input are radiated by said first driver and said second driver; wherein said first driver has a voice coil having a first winding and a second winding and wherein said center audio channel input is coupled to said second winding of said first driver.
Claim 16
Dependent Claim
42 words
A loudspeaker system in accordance with claim 13 , wherein said second driver has a voice coil having a first winding and a second winding and wherein said center audio channel input is coupled to said second winding of said second driver.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2007-08-24 | 2008-02-23 | 2008-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2011-08-24 | 2012-02-23 | 2012-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2015-08-24 | 2016-02-23 | 2016-08-24 | $7700.00 | Window Closed / Lapsed |