Patent · US Expired

Optical focus device

US3986767A · kind A · utility

59Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 1, 1976
Grant dateOct 19, 1976
Priority date
Expiry dateMar 1, 1996

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B19/0047
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An apparatus for focusing a beam of collimated radiation at various locations over a wide area is disclosed. The apparatus includes a focus head having an offaxis parabolic section in combination with a flat turning mirror. The head is capable of rotating the beam about two orthogonal axes and is mounted in a gantry which permits three dimensional movement of the entire head.

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