| 摘要 |
An installation for sequentially monitoring a plurality of objects or persons such as heart patients includes connections to a heartbeat signal generator on each patient, a stepping and switching circuit acting to connect each such connection in sequence to a signal evaluator or monitor for a period sufficient for the monitor to measure the rate and for intensity of each input signal, means enabling the monitor to stop the switching circuit on any connection affording a signal which indicates an unusual or dangerous heart condition, and means for giving an alarm under such a condition.
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