| 摘要 |
Subject: advertising panel with belt 1 divided in width into absolutely equal sections and rolling in the horizontal and vertical sense by composing each time a different advertising message from those written on the belt. Constitution: the advertising belt 1, the moving gear 2 set into motion by the motor M, the rotation shafts with a gear at the top 3, and the rolling shafts 4 and 4a. Operation is conducted as follows: for panel of 5 advertising messages, the belt is separated into 25 sections (fig.3, 3a). In T1 time, the advertising panel composes and displays the sections 1,6,11,16,21 forming the word ATHINA, in T2 time, there are displayed the sections 2,7,12 and 22 forming the word PATRA. The same is performed in the next 3 times. An electronic timer-equipped circuit controls the movement and stopping of the belt via metal contacts encountered thereon and closes the contact 7. After the last advertising message is displayed, the contact 8 is closed and the motion of the motor is inversed along with the sense of the belt. |
