A solid state music player for reproducing and playing stored digital information from a magnetic bubble-memory device, which has a magnetic bubble-memory module for receiving the bubble-memory device which contains the stored program. There is also a function-timing generator, which is coupled to the...http://www.google.de/patents/US4287568?utm_source=gb-gplus-sharePatent US4287568 - Solid state music player using signals from a bubble-memory storage device
