| 摘要 |
PURPOSE:To simplify constitution, by displaying the previous measured temp. value or stating the measurement of temp. corresponding to the operation state of one switch. CONSTITUTION:When a switch 1 is turned ON, a counter 3 overflows and the Q-output of a binary counter 17 is reversed to H while a display decoder is released from resetting to start display. At this time, a counter 2, a control part 10 and a temp. measuring part 11 are held under a reset state and the measurement of temp. is not yet performed. Therefore, the data of a memory part (MAX LTH)12 displays the previous measured temp. value held during this time. If the switch 1 is not again closed, the memory part 12 is reset to bring the memory content to ''0'' and prepares for the start of the measurement of temp. Because the memory content is ''0'' up to this point of time, a display part 15 displays ''L0 deg.C'' and it can be confirmed that the measurement of temp. was started. When the measurement of temp. is started, the comparison of a max. value is performed by a temp. measuring part 11 to perform a max. value. |
