Patent US3947635A successfully refreshed from Google Patents.
US3947635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated stereo speaker system
Assignee: Individual
•
Filing: 1973-09-12
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Granted: 1976-03-30
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Expires: 1993-09-12
Abstract
Abstract An integrated stereo speaker system in which substantially non-directional bass sounds of low frequency are supplied exclusively to an enclosure common to right and left channels. Directional sounds in mid-range and higher frequencies are supplied to separated right and left treble speaker means with respect to which the common bass enclosure is preferably in a co-planar central position. Drivers within the common bass enclosure are mounted to minimize vibration effects and to obviate standing wave and bass cancellation effects. Treble speaker means may comprise multiple drivers related to each channel which occupy a vertical polarized axis for minimal distortion and best stereo effect.
Inventors
- 👤 Charles W. Frankman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:52
CPC Classifications
H; H04; H04R; H04R5/00; H04R5/02
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
172 words
An integrated stereo speaker system supplying multi-channel amplified sound deriving from a stereo production, including a bass speaker enclosure and relatively separated right and left upper range satellite speaker means, said bass speaker enclosure embodying a plurality of bass speaker means arranged to exclusively receive all sound waves from said channels which are in a low frequency range, and means for providing that the sound waves in a treble range and an overtone range in the respectively different channels are supplied exclusively to said right and left upper range speaker means, said bass speaker means including a pair of speakers for each channel, said speakers being paired to have the central axes of each pair converge in a direction outwardly of said enclosure and the pairs of speakers being mounted in such side by side relation that the sounds from the respective paired speakers, each pair of which is adapted to transmit sounds from a single channel, blend to produce substantially a single wave length of sound, in the low frequency range.
Claim 2
Dependent Claim
172 words
An integrated stereo speaker system supplying multi-channel amplified sound deriving from a stereo production, including a bass speaker enclosure and relatively separated right and left upper range satellite speaker means, said bass speaker enclosure embodying a plurality of bass speaker means arranged to exclusively receive all sound waves from said channels which are in a low frequency range, and means for providing that the sound waves in a treble range and an overtone range in the respectively different channels are supplied exclusively to said right and left upper range speaker means, said bass speaker means including a pair of speakers for each channel, said speakers being paired to have the central axes of each pair converge in a direction outwardly of said enclosure and the pairs of speakers being mounted in such side by side relation that the sounds from the respective paired speakers, each pair of which is adapted to transmit sounds from a single channel, blend to produce substantially a single wave length of sound, in the low frequency range.
Claim 3
Dependent Claim
29 words
An integrated stereo speaker system according to claim 1, wherein each of said upper range speaker means includes separate drivers respectively and individually supplied with treble and overtone sounds.
Claim 4
Dependent Claim
58 words
An integrated stereo speaker system according to claim 1, wherein each upper range speaker means comprises a plurality of speaker enclosures, and wherein said upper range speaker enclosures each embody a separate driver and said enclosures in each said upper range speaker means are placed in line so that the drivers therein are arranged in a vertical plane.
Claim 5
Dependent Claim
118 words
An integrated stereo speaker system according to claim 1 characterized by said bass speaker enclosure including a wall portion embodying sections in the form of panels arranged in side by side paired relation, the panels of each pair thereof being angularly related and mounting said bass speakers in their paired side by side relation in arrangement providing that the low frequency sound delivered from each channel by way of said bass speakers has a focal point a selected distance from said enclosure and the focal points deriving from different channels are established in a relatively closely adjacent relation to blend the emitted sound to produce substantially a single wave length of sound in the said low frequency range.
Claim 6
Dependent Claim
123 words
An integrated stereo speaker system supplying multi-channel amplified sound deriving from a stereo production, including a bass speaker enclosure embodying a plurality of bass speaker means arranged to exclusively receive all sound waves from said channels which are in a low frequency range, said bass speaker means including a pair of speakers for each channel, said speakers being paired to have the central axes of each pair converge in a direction outwardly of said enclosure and the pairs of speakers being mounted in such side by side relation that the sounds from the respective speakers, each pair of which is adapted to transmit sounds from a single channel, blend to produce substantially a single wave length of sound in the low frequency range.
Claim 7
Dependent Claim
123 words
An integrated stereo speaker system supplying multi-channel amplified sound deriving from a stereo production, including a bass speaker enclosure embodying a plurality of bass speaker means arranged to exclusively receive all sound waves from said channels which are in a low frequency range, said bass speaker means including a pair of speakers for each channel, said speakers being paired to have the central axes of each pair converge in a direction outwardly of said enclosure and the pairs of speakers being mounted in such side by side relation that the sounds from the respective speakers, each pair of which is adapted to transmit sounds from a single channel, blend to produce substantially a single wave length of sound in the low frequency range.
Claim 8
Dependent Claim
128 words
A bass speaker enclosure for use in a stereo system supplying multi-channel amplified sound deriving from a stereo production, comprising a housing, panels forming a closure to one side of said housing, said panels being paired in a side by side angular relation and mounting bass drivers paired in side by side corresponding angular relation so the central axes of the side by side bass drivers on the paired panels converge and intersect forwardly of said enclosure, said pairs of angularly related side by side panels being in a side by side continuous relation, each pair of panels mounting a set of drivers exclusively associated with a selected channel of the stereo production and connected exclusively to receive and transmit sound waves in a prescribed low frequency range.
Claim 9
Dependent Claim
128 words
A bass speaker enclosure for use in a stereo system supplying multi-channel amplified sound deriving from a stereo production, comprising a housing, panels forming a closure to one side of said housing, said panels being paired in a side by side angular relation and mounting bass drivers paired in side by side corresponding angular relation so the central axes of the side by side bass drivers on the paired panels converge and intersect forwardly of said enclosure, said pairs of angularly related side by side panels being in a side by side continuous relation, each pair of panels mounting a set of drivers exclusively associated with a selected channel of the stereo production and connected exclusively to receive and transmit sound waves in a prescribed low frequency range.
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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) | 1979-03-30 | 1979-09-29 | 1980-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-30 | 1983-09-29 | 1984-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-30 | 1987-09-29 | 1988-03-30 | $7700.00 | Window Closed / Lapsed |