Methods of and systems for speaker equalization in automotive vehicles having convertible tops
US5680468A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 21, 1995 |
| Grant date | Oct 21, 1997 |
| Priority date | — |
| Expiry date | Feb 21, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/13
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Automobiles having convertible tops and audio systems are provided with a first audio equalization mode for closed car conditions and a second audio equalization mode for open car conditions. The appropriate audio equalization mode is selected automatically upon raising or lowering the convertible top. In order to minimize inadvertent switching of modes, a timer is included in the system to delay switching from one mode to the other. The timer times a period of about three seconds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.