Cellular phone in form factor of a conventional audio cassette

摘要

A hands free cellular phone system combining a full featured cellular phone with a form factor of a conventional audio cassette is provided. Several embodiments enabling real time interactive multimedia applications are also provided. Said hands free cellular phone system comprises a cellular phone device ( 1 ) in form factor of a conventional audio cassette ( 9 ). Device ( 1 ) can be inserted into any conventional audio cassette player ( 22 ) to transfer audio content into conventional audio cassette player ( 22 ) by using electromagnetic coupling with electromagnetic transducer ( 28 ) of said device ( 1 ) and electromagnetic transducer of conventional audio cassette player ( 35 ). Said device ( 1 ) provides a full featured, forward compatible, low installation cost hands free cellular phone system.