Electronic tattle tale
US4850116A · kind A · utility
1Cited by
4References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 29, 1988 |
| Grant date | Jul 25, 1989 |
| Priority date | — |
| Expiry date | Apr 29, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B7/16
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electronic indicator comprising a first portion attached at one end to an object to be controllably stretched or elongated and a second portion slideably connected to the first portion for relative movement therewith and connected at one end remote from the object attachment of the first portion. Electrical connections donating relative movement between the two indicator portions are attached to monitoring equipment to indicate stretch length.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.