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公开(公告)号：US3594926A
公开(公告)日：1971-07-27
申请号：US3594926D
申请日：1969-05-19
CPC分类号： G09B5/04
摘要： A plurality of endless belts formed of magnetic material driven at a constant speed with a portion of each readily viewable by an operator, magnetic visual indicators engageable and disengageable from said belts for representing information, areas encompassing portions of said belts and representative of phases of a task, such as ''''time to job,'''' ''''time on job,'''' and ''''time to return from job,'''' and an adjustable elongated rod associated with each belt for indicating the time required in at least two of the phases. A second board is also utilized, similar to the abovedescribed board, for indicating time intervals of a specific task, said boards providing a visual representation of interrelated information.
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