Patent · US Expired

High intensity spotlight

USRE31003E · kind E · reissue

3Cited by
10References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 10, 1980
Grant dateJul 27, 1982
Priority date
Expiry dateNov 10, 2000

Classification

  • Technology area (CPC —)General

Abstract

A light projecting apparatus consists of a concave, substantially prolate-spheroidal reflector having a major axis coincident with the optical axis of the apparatus and a metal halide high intensity discharge source positioned at a first focal point of the reflector and inclined with respect to the optical axis of the apparatus at an angle of approximately 30.degree.. .Iadd.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.