Duplex communication apparatus for motor vehicle
US6559759B2 · kind B2 · utility
2Cited by
7References
1Claims
0Family size
Inventors
Key dates
| Filing date | May 23, 2001 |
| Grant date | May 6, 2003 |
| Priority date | — |
| Expiry date | Oct 4, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2325/205
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A duplex communication apparatus for motor vehicle comprises a sensor, a first cellular phone, an alarm, a RF module, a first decoder, a CPU, a memory, an input, an output, a voice generator, a DTMF decoder, and a speaker. First cellular phone and alarm are switched to a ready state when a motor vehicle owner leaves the motor vehicle so that once sensor or both sensor and alarm enabled the apparatus is activated, whereby a two-way communication is established between the owner and the person at the motor vehicle through sensor, CPU, voice generator, a second cellular phone carried by the owner, and speaker.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.