×

Optical transmission tube, making method, and linear illuminant system

  • US 5,982,969 A
  • Filed: 04/24/1998
  • Issued: 11/09/1999
  • Est. Priority Date: 04/24/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. An optical transmission tube comprisinga tubular cladding having an outer surface,a core within the cladding having a higher index of refraction than said cladding, anda reflecting layer in a strip form extending between said cladding and said core and longitudinally of said cladding,wherein light passing through said core is reflected and scattered by the reflecting layer to emerge from the tube through an area of the outer surface of said cladding opposed to the reflecting layer.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×