Patent ID: 6243686
Filing Date: 2001-06-05
Classification: G06K,G11B,G11C

Abstract:
An adapter for a standard cassette player, said player being arranged to receive a standard cassette with an electromagnetic tape, said player being constructed and arranged to control a movement of said magnetic tape in one of several modes of operation including a play mode in which analog signals from said tape are reproduced as audio signals by said player, fast forward mode in which said tape is moved in a forward direction and reverse in which said tape is moved in a reverse direction, said cassette player including a spindle motor and a spindle coupled to said spindle motor for effecting the movement of said tape, said standard cassette player further including a de-emphasis circuit, said adapter comprising:an adapter housing constructed and arranged to be received in said player to play a pre-recorded audio program by emulating said standard cassette player and having;a replaceable digital data storage medium disposed in said housing through said opening, said storage medium holding digital data defining said audio program said audio program being compressed using a standard compression technique, said audio program consisting of at least one predetermined audio section selectable by the operator of said standard cassette player and having a predetermined duration;a controller for retrieving said digital data from said storage medium in a predetermined order;a cassette reproducing circuit which converts said digital data into analog signals having characteristics similar to standard analog signals on standard magnetic tapes, said converter including an emphasis circuit for emphasizing frequency components of said analog signals to complement said emphasis circuit; anda transmitter for transmitting said analog signals to said standard cassette player whereby said standard cassette player generates audio signals corresponding to said analog signals.