Multi-track adapter cartridge adapter unit for a multi-track cartridge type magnetic tape player

Claim 1

An adapter unit for playing remotely located electronic apparatus through a multi-track cartridge type magnetic tape player which includes a playback head, comprising: a cartridge housing to be inserted into a cartridge receiving portion of a magnetic tape player, a playback-head-receiving opening formed in the side wall of said cartridge housing at the end to be inserted into the tape player, a transducer, means mounting said transducer in said cartridge for positioning the same against the playback head of the tape player, said transducer mounting means including support means receiving said transducer, said support means being movably mounted in said cartridge housing, and spring means resiliently biasing said support means to position said transducer in a spaced relation to said playback-head-receiving opening formed in the side wall of said cartridge housing, with said cartridge housing being inserted into the tape player said playback head enters said cartridge housing through said head receiving opening thereof and engages said transducer and moves the same along with said support means against the bias of said spring means whereby said spring means maintains said transducer in registry with said playback head for inducing electromagnetic signals therethrough which are reproduced by the tape player, and external connector means electrically connected to said transducer and accessible from the end of said cartridge housing extending from said tape player for connection to remotely located electronic apparatus to receive the output signal therefrom, said external connecting means coupling said output signals through the adapter unit to said transducer means for coupling the signals into the playback head of the tape player.