Active vibration isolation system
US4796873A · kind A · utility
51Cited by
17References
29Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 28, 1987 |
| Grant date | Jan 10, 1989 |
| Priority date | — |
| Expiry date | Apr 28, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C2027/004
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An active force actuated vibration isolation system uses a velocity sensor in the form of a velocity-sensitive geophone to sense payload velocity and modifies the geophone signal to control the force applied to oppose the vibration. The modified signal effectively reduces the inherent resonant frequency of the geophone and avoids instability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.