| 摘要 |
<p>An hour meter for internal combustion engines comprises an antenna (10), a pulse shaper (12), a microprocessor (15), a time base (20), and display means (24). Preferably, the meter also comprises means (32) for manual control of the display. The meter displays the number of hours of operation of an internal combustion engine near which it is located. Application to the measurement of the operating time of outboard motors, garden tractors, generators, motor-driven pumps, planes, etc.</p> |
