Proposed apparatus aims beam of visible light at wavelength lambda(2) to create bright spot at desired position in image on projection screen. Intended to replace handheld laser and flashlight pointers lecturers sometimes use to indicate features in projected images. Beam of light cannot be inadvertently aimed toward audience.


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen


    Exportieren, teilen und zitieren



    Titel :

    Apparatus Would Position Bright Spot On Projection Screen


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    1996-05-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :



    Heavy-lift is a rare bright spot

    Online Contents | 2011


    Finding Bright-Spot Coordinates in Television Images

    Richardson, T. E. / Tietz, J. C. | NTRS | 1985


    Bright spot detection and location in scanned scene

    Gutlove, N.N. / Morrison, S.L. | Engineering Index Backfile | 1965