Coaxial speaker with step-down ledge to eliminate sound wave distortions and time delay
US6963650B2 · kind B2 · utility
20Cited by
19References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 9, 2002 |
| Grant date | Nov 8, 2005 |
| Priority date | — |
| Expiry date | Nov 13, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R23/02
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A coaxial speaker assembly (10) with reduced sound distortion, sound time delay, and polar response distortion. The coaxial speaker assembly (10) includes a high-frequency speaker system (16) mounted coaxially with and fitting within a lower-frequency speaker system (14). A baffle (50) is secured to a diaphragm (48) of the high-frequency speaker system (16). A step-down ledge (52) is circumferentially positioned adjacent to the baffle (50) and extends outwardly therefrom. A portion of the sound waves emanating from the high-frequency diaphragm (48) are reflected off the step-down ledge (52).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.