公开(公告)号：US3562935A

公开(公告)日：1971-02-16

申请号：US3562935D

申请日：1968-05-20

申请人： VICTOR M COLLINS ,  JAMES K SMITH

发明人： COLLINS VICTOR M ,  SMITH JAMES K

IPC分类号： G09F11/10 ,  G09F11/30 ,  G09F11/32 ,  G09F11/00

CPC分类号： G09F11/30

摘要： THIS INVENTION RELATES TO A DISPLAY DEVICE FOR SELECTIVELY DISPLAYING ADVERTISEMENTS OR OTHER INFORMATION IN ACCORDANCE WITH A PREDETERMINED PROGRAMME AND WHICH CHANGES THE DISPLAY MATERIAL AFTER SPECIFIC TIME PERIODS. THE DEVICE COMPRISES A PLURALITY OF DISPLAY MEMBERS FOR CARRYING THE MATTER TO BE DISPLAYED, TRANSPORT MEANS FOR MOVING ANY OF THE DISPLAYED, TRANSPORT MEANS FOR POSITION AND PRESELECTOR MEANS DETERMINING THE ORDER IN WHICH THE DISPLAY MEMBERS ARE MOVED INTO THE DISPLAY POSITION.