公开(公告)号：US3937894A

公开(公告)日：1976-02-10

申请号：US434743

申请日：1974-01-18

申请人： George T. Grzybowski ,  David E. Gaon ,  Bryan F. Gearing ,  Martin R. Winandy

发明人： George T. Grzybowski ,  David E. Gaon ,  Bryan F. Gearing ,  Martin R. Winandy

IPC分类号： H04M15/04 ,  H04M15/18

CPC分类号： H04M15/04

摘要： An automatic toll ticketing system for use in a communication switching system includes an addressable scanner having common control apparatus controlled by the common control apparatus to effect the interrogation of a preselected group of scan points, associated with busy paths established through a switching network of the switching system, in accordance with address data supplied by the common control apparatus which identifies the busy paths.