US4492826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loudspeaker
Assignee: ULTIMATE SOUND Inc
•
Filing: 1982-08-10
•
Granted: 1985-01-08
•
Expires: 2002-08-10
Abstract
Abstract A high fidelity loudspeaker system having at least one additional smaller speaker mounted above the largest speaker. The loudspeaker is of the type having a permanent magnet and a moving coil, and the smaller speaker or speakers are mounted on a support member which passes through the moving coil of the largest speaker. The mounted base for the smaller speaker or speakers is held to a support pedestal by a set of male and female interlocking members.
Inventors
- 👤 Robert C. Chiu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:22
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/22; H04R1/24
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
175 words
A high fidelity loudspeaker system of the type having a permanent magnet and a moving coil which drives the speaker cone of the largest speaker of the system and further being of the type which has at least one additional smaller speaker mounted above the speaker cone and supported from a support member which passes through the moving coil, wherein the improvement comprises: a first support pedestal affixed to the permanent magnet of the largest speaker having the first of a set of non-circular keyed male and female interlocking members: a second support pedestal affixed to the permanent magnet of at least one of the smaller speakers, said second support pedestal having the second of a set of keyed male and female interlocking members; and fastening means passing through said first support pedestal and terminating within said second support pedestal to hold the two pedestals together, whereby a second smaller speaker may be securely held above the cone of a larger speaker even when the assembly is subjected to the vibration of a motor vehicle.
Claim 2
Dependent Claim
175 words
A high fidelity loudspeaker system of the type having a permanent magnet and a moving coil which drives the speaker cone of the largest speaker of the system and further being of the type which has at least one additional smaller speaker mounted above the speaker cone and supported from a support member which passes through the moving coil, wherein the improvement comprises: a first support pedestal affixed to the permanent magnet of the largest speaker having the first of a set of non-circular keyed male and female interlocking members: a second support pedestal affixed to the permanent magnet of at least one of the smaller speakers, said second support pedestal having the second of a set of keyed male and female interlocking members; and fastening means passing through said first support pedestal and terminating within said second support pedestal to hold the two pedestals together, whereby a second smaller speaker may be securely held above the cone of a larger speaker even when the assembly is subjected to the vibration of a motor vehicle.
Claim 3
Dependent Claim
13 words
The speaker assembly of claim 1 wherein said male interlocking member is square.
Claim 4
Dependent Claim
25 words
The speaker assembly of claim 1 wherein said fastening means is a bolt which is screwed into a nut imbedded in the second support pedestal.
References Cited (Backward Citations)
AU14604A
Cited
US2122587A
Cited
US1915692A
Cited
US2496589A
Cited
GB641651A
Cited
US2539672A
Cited
US2699472A
Cited
JPS5546650A
Cited
JPS5564497A
Cited
JPS5765994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-01-08 | 1988-07-09 | 1989-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-08 | 1992-07-09 | 1993-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-08 | 1996-07-09 | 1997-01-08 | $7700.00 | Window Closed / Lapsed |