Within the framework of road operation it is necessary to be able to send variable messages to the driver. The systems known to date to provide a limited number of predetermined messages or involve systems of which the maintenance is delicate. Jean Neuhas S.A. has just developed a panel using a laser beam for inscription of messages which are equally visible in the daytime and in the nighttime, the text of the message being determined by the operator.

  • Availability:
  • Supplemental Notes:
    • This paper was presented at the 8th IRF World Meeting, Tokyo, Japan, October 16-21, 1977. Full text also written in Japanese.
  • Corporate Authors:

    International Road Federation

    525 School Street, SW
    Washington, DC  United States  20024
  • Authors:
    • Matoussowsky, A
  • Publication Date: 1977-10

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00179844
  • Record Type: Publication
  • Report/Paper Numbers: Proceeding
  • Files: TRIS
  • Created Date: Oct 12 1978 12:00AM