Optical pattern generator using a single rotating component

Details Optical pattern generator using a single rotating component Optical pattern generator using a single rotating component

G - Physics

02

B

G02B 26/08 (2006.01)

Patent

CA 2597291

An optical pattern generator uses a single rotating component (Fig. 1A, 9). The rotating component includes a number of deflection sectors (8A, 8B, 8C, etc.). Each sector deflects an incident optical beam by a substantially constant angular amount although this amount may vary from one sector to the next. The rotating component may be combined with an imaging lens group (Fig. 2A, 19) that produces, for example, image points, spots, lines displaced along a line locus.

L'invention concerne un photocomposeur utilisant un seul composant rotatif. Ce composant rotatif comprend un certain nombre de secteurs de déviation. Chaque secteur dévie un faisceau optique incident selon un angle sensiblement constant bien que cet angle puisse varier entre un secteur et le secteur suivant. Le composant rotatif peut être combiné avec un groupe de lentilles d'imagerie qui produit, par exemple, des points d'image, des spots ou des lignes déplacées le long d'un locus de ligne.

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