| 摘要 |
<p>The appts. is for recording the effectively used time for a task, and comprises a manual first recording unit, a computer with memory and processor, a second recording unit for programming the computer, and a unit for indicating recorded data and pref. that processed. The computer works in conjunction with the two recording units and the indicator. The first manual recording unit is a keyboard and a read-out unit. The second manual recording unit likewise is a keyboard and the recording units are each couplable in parallel with a programmed cassette or with an external programme source. The computer is so programmed that it can provide different accumulated times, and pref. effect calculations based on such times. The appts. derives its current supply either from the mains or from its own battery and/or condensor. (Provisional Basic advised week 83/44).</p> |
