发明名称 Electronic keyboard instructor
摘要 A system and method for teaching proper hand positioning for using a keyboard. The system includes not allowing a lesson for learning to operate the keyboard to begin until home keys are depressed simultaneously. Additionally, the lesson will be interrupted periodically and will not continue until the home keys are depressed simultaneously.
申请公布号 US6709273(B2) 申请公布日期 2004.03.23
申请号 US19990419383 申请日期 1999.10.15
申请人 STARK JEFFREY;STARK JOEL 发明人 STARK JEFFREY;STARK JOEL
分类号 G09B13/04;(IPC1-7):G09B13/00 主分类号 G09B13/04
代理机构 代理人
主权项
地址