Weight sensing apparatus employing polymeric piezoelectric film
US4512431A · kind A · utility
42Cited by
5References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 29, 1983 |
| Grant date | Apr 23, 1985 |
| Priority date | — |
| Expiry date | Aug 29, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S310/80
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Weight sensing apparatus, typically a personal scale, employs a thin film of piezoelectric polymeric material as the transducing component for converting mechanical pressure in the form of applied weight to voltages which are digitally displayed in pounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.