An operation state recording system is provided in a target device including: an input unit; a device group; and a control system controlling the device group based on an input of the input unit. The operation state recording system records an operation state from a start to a stop of an operation of the target device, and the control system includes: a plurality of control devices controlling a plurality of devices; nonvolatile storage units where the operation state of the target device is recorded as operation history information; and a time measuring unit measuring a time.
Operation state recording system and operation state recording method
2019-12-17
Patent
Electronic Resource
English
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