Method of and apparatus for making a print containing parallax i

Details Method of and apparatus for making a print containing parallax i Method of and apparatus for making a print containing parallax i

1994-12-13

1998-11-17

Le, N.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347 41, 347137, 355 46, 355 22, 352 57, B41J 247, G01D 1534, G02B 2600, G02B 2700

Patent

active

058383603

ABSTRACT:
A 3D printer comprises a scanning laser system. A donor sheet is located in the focal plane of the optical system and carries a thermally transferable colourant such as a dye or pigment. A lenticular screen has a colourant receiving layer which receives colourant from the donor sheet to form 3D pixels, each comprising interlaced 2D pixels, aligned with lenticules of the screen. A detector array responds to laser light which has been transmitted through the lenticular screen, and a print register control system uses the detector output correctly to position the scanning laser beam to compensate for irregularities in the lenticular screen.

REFERENCES:
patent: 4459512 (1984-07-01), Ohhata
patent: 5105281 (1992-04-01), Kusaka
patent: 5248992 (1993-09-01), Ferschl
patent: 5279912 (1994-01-01), Telfer et al.
patent: 5703717 (1997-12-01), Ezra et al.
Search Report for European Appl. 94309335.1, mailed Nov. 30, 1995.
New Scientist, Sep. 1992, "Advertising Gains a New Dimension," p. 19.
Love et al, SPIE, vol. 1083, 1989, "Computer Generated Lenticular Stereograms," pp. 102-107.

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