Image transfer device having laminated lens array sheets

Details Image transfer device having laminated lens array sheets Image transfer device having laminated lens array sheets

2005-02-15

2005-02-15

Mack, Ricky (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

C359S622000

Reexamination Certificate

active

06856463

ABSTRACT:
An image transfer device having: a lens array laminate14forming an erecting unit magnification optical system, the lens array laminate including a plurality of lens array sheets12of the same specification each of which has convex-convex lens elements10arranged in a plurality of rows and which are substantially closely laminated in a direction of each lens optical axis. Typically, two to four lens array sheets of the same specification each of which has convex-convex lens elements each having are fractive index of not lower than 1.45 and arranged in 3 to 9 rows are closely laminated on each other or one another in a direction of each lens optical axis. Each of the lens array sheets is preferably formed so that the lens thickness is in a range of from about 4 mm to about 0.5 mm and the number of lens rows is in a range of from 4 to 6.

REFERENCES:
patent: 20020063348 (2002-05-01), Imamura et al.
patent: 2000352606 (2000-12-01), None

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