US3982607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loudspeaker cabinet having an integrally constructed horn
Assignee: Individual
•
Filing: 1975-01-28
•
Granted: 1976-09-28
•
Expires: 1995-01-28
Abstract
Abstract An integrally formed cabinet for a loudspeaker having a preformed horn for dispersing acoustic energy with minimum distortion.
Inventors
- 👤 Arnold D. Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:57
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; G; G10; G10K; G10K11/00; G10K11/18; G10K11/24; H04R1/22; H04R1/30
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
120 words
A loudspeaker cabinet having lateral sides and front and rear ends and including at least one loudspeaker disposed therein, said cabinet comprising in combination: a. a recess disposed within said enclosure for circumscribing and supporting a loudspeaker; b. a horn for transmitting the acoustic energy generated by the loudspeaker external to said cabinet and dispersing the acoustic energy within predetermined angles in the vertical and horizontal planes; c. means for providing an air seal intermediate said recess and said horn within said cabinet; and d. means disposed adjacent said recess and said horn for supporting said recess and said horn in fixed spatial relationship to the lateral sides and front and rear ends of said cabinet and for damping acoustically
Claim 2
Dependent Claim
120 words
A loudspeaker cabinet having lateral sides and front and rear ends and including at least one loudspeaker disposed therein, said cabinet comprising in combination: a. a recess disposed within said enclosure for circumscribing and supporting a loudspeaker; b. a horn for transmitting the acoustic energy generated by the loudspeaker external to said cabinet and dispersing the acoustic energy within predetermined angles in the vertical and horizontal planes; c. means for providing an air seal intermediate said recess and said horn within said cabinet; and d. means disposed adjacent said recess and said horn for supporting said recess and said horn in fixed spatial relationship to the lateral sides and front and rear ends of said cabinet and for damping acoustically
Claim 3
Dependent Claim
13 words
The cabinet as set forth in claim 1 wherein said supporting and damping
Claim 4
Dependent Claim
27 words
The cabinet as set forth in claim 2 wherein the free air space within said cabinet is limited to the envelope defined by said recess and said
Claim 5
Dependent Claim
27 words
The cabinet as set forth in claim 2 wherein said recess and said horn are defined by molded surfaces of said foam during the curing process of
Claim 6
Dependent Claim
28 words
The cabinet as set forth in claim 4 wherein the lateral sides and front and rear ends of said cabinet are defined by said foam and said cabinet
Claim 7
Dependent Claim
14 words
The cabinet as set forth in claim 2 wherein said recess and said horn
Claim 8
Dependent Claim
14 words
The cabinet as set forth in claim 2 wherein said recess and said horn
Claim 9
Dependent Claim
12 words
The cabinet as set forth in claim 1 including means disposed in
Claim 10
Dependent Claim
13 words
The cabinet as set forth in claim 8 including cover means for sealing
Claim 11
Dependent Claim
34 words
The cabinet as set forth in claim 1 including a plurality of said recesses, each said recess supporting a single loudspeaker and further including a plurality of said horns, each said horn transmitting the
Claim 12
Dependent Claim
27 words
The cabinet as set forth in claim 11 wherein each of said plurality of horns is configured to primarily disperse a different frequency range of acoustic energy.
References Cited (Backward Citations)
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Cited
US1866921A
Cited
US2815087A
Cited
US3059720A
Cited
FR1326414A
Cited
US3720285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-09-28 | 1980-03-29 | 1980-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-28 | 1984-03-29 | 1984-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-28 | 1988-03-29 | 1988-09-28 | $7700.00 | Window Closed / Lapsed |