Wireless mobile telephone adapter for automobiles

• US 6,173,195 B1
• Filed: 10/27/1997
• Issued: 01/09/2001
• Est. Priority Date: 10/27/1997
• Status: Expired due to Fees

• Current Assignee: Chi-An Chen
• Original Assignee: Chi-An Chen
• Inventors: Chen, Chi-An
• Primary Examiner(s): Hunter, Daniel S.
• Assistant Examiner(s): WYCHE, MYRON
• Application Number:
  US08/958,698
• Time in Patent Office: 1,170 Days
• Field of Search: 455/569, 455/575, 455/557, 455/556, 455/345
• US Class Current: 455/569.2
• CPC Class Codes: H04B 1/3877 Arrangements for enabling portable transceivers to be used in a fixed position, e.g. cradles or boosters
• CPC Class Codes: H04M 1/6091 including a wireless interface

Abstract

A wireless mobile telephone includes a connector adapted for connecting to a socket of a mobile telephone to receive power supply and caller'"'"'s signal from it, a first amplifier and a modulator circuit and a transmitter circuit connected in series to the connector and adapted to transmit caller'"'"'s signal from the mobile telephone to a car radio, a microphone and a second amplifier connected in series to the connector and adapted to transmit the user'"'"'s voice signal to the mobile telephone for output to the opponent'"'"'s mobile telephone, whereby a user can use the mobile telephone without holding it in his or her hand.

Claims

1. A wireless mobile telephone adapter comprising a connector adapted for connecting to a socket of a mobile telephone to receive an external power supply and caller'"'"'s signal from it, power and control circuits for controlling said external power supply from said mobile telephone, a first amplifier connected to said connector to receive caller'"'"'s signal from it and to amplify received caller'"'"'s signal, a modulator circuit connected to said first amplifier to receive amplified caller'"'"'s signal from it and to modulate received caller'"'"'s signal into corresponding radio signal, a transmitting circuit connected to said modulator circuit to receive radio signal from it and to transmit received radio signal to a car radio through a transmitting antenna thereof, a microphone adapted to pick up voice signal form the user and to convert received voice signal into corresponding electric signal for transmission to said mobile telephone, a second amplifier connected between said microphone and said connector and adapted to amplify signal from said second amplifier for transmission to said mobile telephone through said connector, a movable radio signal receiver for receiving radio signal transmitted by said transmitting circuit, whereby radio signal transmitted by said transmitting circuit can be received by a receiving antenna of a car radio.