Condition Indicating, Monitoring, Or Testing Patents (Class 369/53.1)
- Having abnormal condition indicating (Class 369/53.12)
- Of record carrier (Class 369/53.2)
- Of transducer assembly mechanism (Class 369/53.25)
- Of relative motion producing mechanism (Class 369/53.3)
- Of storage or retrieval information signal (Class 369/53.31)
- Initialization or start-up mode or changing system mode: (Class 369/53.37)