Table 2.
The distribution of the use of pressure sensors in the patents on the Google Patents platform, where P represents the total number of patents, and N is the number of patents that use the respective sensor.
| Type of Sensor | P = 283 |
|---|---|
| Pressure sensor, N (P%) | 78 (27.56) |
| Foot plantar pressure, N (P%) | 71 (25.09) |
| Gasbag, N (P%) | 1 (0.35) |
| Pneumatic, N (P%) | 6 (2.12) |