发明名称 Electronic white board apparatus
摘要 In an electronic white board apparatus, when at power on a screen is not in a screen home position, the screen is moved in a first direction. When the screen reaches the home position during a predetermined movement thereof, the screen is stopped. If the screen does not reach the home position even after it has been moved more than the predetermined movement, the screen is moved in the opposite to the first direction until the screen reaches the home position.
申请公布号 US5914745(A) 申请公布日期 1999.06.22
申请号 US19970989154 申请日期 1997.12.11
申请人 MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 发明人 EGUCHI, KAZUHIRO
分类号 B43L1/04;G03B27/00;H04N1/00;(IPC1-7):G03B27/00 主分类号 B43L1/04
代理机构 代理人
主权项
地址