Voice activated vehicle alarm system
US6028509A · kind A · utility
Inventor
Key dates
| Filing date | Mar 18, 1998 |
| Grant date | Feb 22, 2000 |
| Priority date | — |
| Expiry date | Mar 18, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B21/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An alarm system for the interior of a vehicle utilizing a temperature sensor measuring the interior temperature of the vehicle and producing a signal when a certain level of temperature is reached. A sound detector also produces a second signal representative of a certain sound intensity within the interior of the vehicle. An AND gate circuit receives the signals from the temperature sensor and the sound detector and generates an output signal. Alarm means is triggered by the output signal of the AND gate circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.