发明名称 TIMER DEVICE FOR USE IN AN AUDIO/VISUAL PRESENTATION
摘要 The present invention provides a time tracking device comprising a display incorporated into a housing of a projector, a control pad, and a power source. The time tracking device can provide a presenter with the ability to track the elapsed time of a presentation. The time tracking device is further capable of being projected onto a viewing screen using the light source and lens of the projector device. The device comprises a control pad which controls the functions of the timer device, such as on/off, start, stop, pause, reset, mode, illumination, and time of day. The present invention also provides a presentation timer comprising a presentation timer program module and an input control module operable for controlling timer functions associated with the presentation timer program module.
申请公布号 CA2501711(C) 申请公布日期 2012.08.28
申请号 CA20022501711 申请日期 2002.10.07
申请人 MORYKWAS, MICHAEL;MERKEY, PHILLIP R. 发明人 MORYKWAS, MICHAEL;MERKEY, PHILLIP R.
分类号 G04G9/00 主分类号 G04G9/00
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