High resolution cinephotographics system
US4744650A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 1986 |
| Grant date | May 17, 1988 |
| Priority date | — |
| Expiry date | Jun 27, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B39/00
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A propellant sample combustion apparatus employing a multiply optical ported pressure vessel for sample illumination, sample viewing, and sample burn face elevation is described. High-Speed motion picture filming using short-duration high-intensity laser provided optical illumination from a copper-vapor laser is employed. Details of the employed pressure vessel, a burn inhibiting coating for the propellant sample, a laser coherance spoiler, and a sample level maintaining closed-loop apparatus are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.