Portable computer with both dynamic and piezoelectric transducers
US6304434A · kind A · utility
12Cited by
6References
35Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 28, 1998 |
| Grant date | Oct 16, 2001 |
| Priority date | — |
| Expiry date | May 28, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F1/1688
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for improving spatial impression in a four-speaker system using dynamic and piezo transducers. The use of a piezo transducer eliminates the need for a low-pass filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.