Disclosed is a method for providing heterogeneous services using a PIP function in a terrestrial DMB receiver. The method includes: a first step of receiving a key input for activating the PIP function and displaying a list of services in an available ensemble during use of a desired DMB service; a second...http://www.google.de/patents/US7787817?utm_source=gb-gplus-sharePatent US7787817 - Method for providing heterogeneous services in terrestrial digital multimedia broadcasting system using picture-in-picture function
