Turnable intelligent blackboard

• Main Authors: DONG YINGRU, ZHOU SHUAI, SUN DEWEI, GUO WANYUE, CUI QILONG, ZHENG CHAO, WU ZHEN, ZOU QIJIE, ZHENG XUBIN, WEI WEI
• Format: Patent
• Language: Chinese; English
• Published: 18.01.2019
• Subjects: ACCESSORIES FOR WRITING OR DRAWING; ARTICLES FOR WRITING OR DRAWING UPON; BUREAU ACCESSORIES; PERFORMING OPERATIONS; TRANSPORTING; WRITING OR DRAWING IMPLEMENTS

The invention discloses a turnable intelligent blackboard. The blackboard comprises a left frame and a right frame, an extension end is arranged at the right end of the left frame, a fixed shaft I isfixed to the extension end, a rotating sleeve I is fixed to the left end of the right frame, and the...