Transportation equipment recorder with time accuracy
First Claim
1. A system for recording information regarding transportation equipment operating conditions and for determining accuracy of the recorded as opposed to actual duration of such operating conditions, said system comprising first recording means for recording the information on a recording receiving medium, clock means for moving the receiving medium relative to said first recording means, second recording means independent of said first recording means for recording time information on the receiving medium, and control means for controlling said second recording means to record in a predetermined pattern indicative of accurate recording of the duration of the operating condition information and for controlling said second recording means to produce recordings other than in such predetermined pattern when inaccurate recording of the duration of the operating condition information occurs thereby highlighting any such inaccurate time recording.
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Abstract
The present invention provides a system for recording operating condition information regarding transportation equipment and for determining the accuracy of recorded duration of the operating conditions. The system includes a first recording member for recording the operating condition information and a second recording member for recording time information in a predetermined pattern with accurate duration recording of the operating condition information and where such predetermined pattern is broken with inaccurate duration recording of the operating condition information.
6 Citations
10 Claims
- 1. A system for recording information regarding transportation equipment operating conditions and for determining accuracy of the recorded as opposed to actual duration of such operating conditions, said system comprising first recording means for recording the information on a recording receiving medium, clock means for moving the receiving medium relative to said first recording means, second recording means independent of said first recording means for recording time information on the receiving medium, and control means for controlling said second recording means to record in a predetermined pattern indicative of accurate recording of the duration of the operating condition information and for controlling said second recording means to produce recordings other than in such predetermined pattern when inaccurate recording of the duration of the operating condition information occurs thereby highlighting any such inaccurate time recording.
Specification