Patent · US Expired

Light beam generation, and focusing and redirecting device

US6951411B1 · kind B1 · utility

15Cited by
26References
17Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJun 15, 2000
Grant dateOct 4, 2005
Priority date
Expiry dateAug 28, 2020

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B2018/20355
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An improved light beam generation and focusing device (15, 50) has a light source (16, 51) constructed and arranged to emit at least one beam of light (20), and a lens assembly (17, 19, 56) constructed and arranged to focus the at least one beam of light on a surface plane. The device is constructed and arranged to sequentially direct the at least one beam of light to at least two spaced locations (21, 21′) on the surface plane. The lens assembly comprises a collimating lens (17), and a spaced focusing lens (19).

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