宝丽金(PolyGram)唱片公司原是Berliner下属的Grammophon留声机公司。Berliner在德国成立了它的分公司Deutsche Grammophon Geselischaft,简称DGG。第一次世界大战期间,由于英、德处于敌对的交战状态,德国政府便将英资公司DGG收归国有。战后,Berliner的HMV公司卷土重来,在德国成立了分公司Electrola,但DGG却保留了“小狗听”留声机的商标使用权。由于这个商标名牌在德国以外的使用权归EM1所有,所以在 PolyGram Records was originally a Grammophon gramophone company owned by Berliner. Berliner in Germany set up its branch Deutsche Grammophon Geselischaft, referred to as DGG. During the First World War, due to the hostile and belligerent British and German beings, the German government turned the British-owned DGG into state ownership. After the war, Berliner’s HMV company came back and Electrola was established in Germany, but DGG retains trademark rights to the “dog-listening” phonograph. Since this brand name is owned by EM1 outside of Germany, it is here