Noise level controlled voice warning system for an automotive vehicle
US4342023A · kind A · utility
26Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 1980 |
| Grant date | Jul 27, 1982 |
| Priority date | — |
| Expiry date | Aug 28, 2000 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03G3/32
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A voice warning system for an automotive vehicle automatically adjusts the voice volume to an appropriate sound level in accordance with the noise level within the passenger compartment. The improved system incorporates a noise level sensor and an electronic volume control in a voice warning system which includes a plurality of information switches and a multiplexer for providing control signals for an LPC-type voice synthesizer cooperating with a voice memory under control of a microcomputer to provide appropriate warning announcements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.