Patent · US Expired

High resolution cinephotographics system

US4744650A · kind A · utility

4Cited by
9References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 27, 1986
Grant dateMay 17, 1988
Priority date
Expiry dateJun 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.