Hand-writing input apparatus
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专利名称:Hand-writing input apparatus 发明人:Hiroshi Uchida
申请号:US07/633666
申请日:19901226
公开号:US05067573A
公开日:
19911126
专利内容由知识产权出版社提供
摘要:An electronic tablet which receives handwritten input via an input pen, including a receptacle for the pen and a detector operative to detect the presence of the pen in the receptacle. Preferably, a warning signal generator is also provided to generate, at appropriate times, a warning signal indicating absence of the pen from the receptacle.
申请人:SONY CORPORATION
代理机构:Hill, Van Santen, Steadman & Simpson
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