On-vehicle mobile radio telephone with an answering function
US5444761A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 24, 1992 |
| Grant date | Aug 22, 1995 |
| Priority date | — |
| Expiry date | Jan 24, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/04
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An on-vehicle mobile radio telephone with an answering function, has the capability to automatically change the phone mode to an answer mode even if an occupant forgets to set an answer mode switch when leaving a vehicle not shift from phone mode to the answer mode while the vehicle is in motion. The on-vehicle mobile radio telephone with an answering function includes a message recording device; a handset; a channel for relaying a call signal to the handset; a call detecting device for detecting a call through the channel to generate a call detect signal; and a control device for executing an automatic reception mode to connect the channel to the message recording device according to the call detect signal with an answer mode designated. The control device includes an accessory switch (ACC) detecting device for detecting whether an accessory switch of a vehicle is on or off, whereby the automatic reception mode is initiated when the accessory switch (ACC) detecting device detects that the accessory switch is off.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.