On-vehicle mobile radio telephone with an answering function

Details On-vehicle mobile radio telephone with an answering function On-vehicle mobile radio telephone with an answering function

1992-01-24

1995-08-22

Chin, Stephen

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379 59, 379 67, 379 88, 455 383, 455345, H04M 1100, H04M 164, H04Q 302, H04B 106

Patent

active

054447615

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.

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patent: 5212836 (1993-05-01), Matsushita
patent: 5241582 (1993-08-01), Park
patent: 5247564 (1993-09-01), Zicker

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