A time division speech path apparatus includes a frame synchronization detector, a pointer detector, a pointer inserting circuit, an address converter, a selector, and a demultiplexer. Pointers are set on highways so that a relationship between the time slots on the highways and addresses of the speech...http://www.google.de/patents/US5155728?utm_source=gb-gplus-sharePatent US5155728 - Time division speech path apparatus
