04845738 is referenced by 45 patents and cites 8 patents.

The automobile telephone is used in a hands-free condition by coupling its handset with a cradle-shaped coupler which is provided with a pair of swingable support plates for receiving a transmitter portion and a receiver portion of the handset in use to make it possible to receive the handset regardless its size and mounting angle. On a back surface of the swingable support plates are provided a speaker and a microphone which are coupled with the transmitter portion and the receiver portion of the handset respectively so as to make it possible to use the telephone in a hands-free condition through these speaker and microphone incorporated in the cradle-shaped coupler.

Title
Hands-free type automobile telephone and general-purpose telephone
Application Number
7/236425
Publication Number
4845738
Application Date
August 25, 1988
Publication Date
July 4, 1989
Inventor
Katsuyuki Takano
Tokyo
JP
Agent
Spencer & Frank
Assignee
Bohsei International
JP
IPC
H01M 1/23
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