Audible Meter Reading Indication TRIZ Cases
- RV Leveling Control Using Sensor Feedback for Absolute Flatness
Sensors measure RV pitch and roll, then guide or control jacks with audible feedback to reach absolute flatness faster than bubble levels.
- Retractable Tape Measure with Wireless Length Feedback
Wireless communication transmits real-time measurement data from the body to a remote receiver, enabling single-person operation without manual handling.
- Curved Harmonica Microphone Chamber for Feedback Control
A reflective curved microphone chamber directs sound waves to the transducer while blocking external noise.