Imageable prismatic array

Details Imageable prismatic array Imageable prismatic array

1978-12-18

1985-02-05

Silverman, Stanley S.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

346 77E, 350167, 353120, 365124, 430 12, 430946, 428913, 428918, G02B 2710

Patent

active

044978600

ABSTRACT:
Articles having on one surface thereof a linear prism array and a diffraction grating on the opposite surface are provided which are suitable for the preparation of projection transparencies.

REFERENCES:
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patent: 3406405 (1968-10-01), Somers
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patent: 3698892 (1972-10-01), Heurtley
patent: 3782805 (1974-01-01), Brown
patent: 3814904 (1974-06-01), Russell et al.
patent: 3892473 (1975-07-01), Ando et al.
patent: 3989775 (1976-11-01), Jack et al.
patent: 4012115 (1977-03-01), Brown
patent: 4035579 (1977-07-01), Roberts
patent: 4072098 (1978-02-01), Granzow et al.
patent: 4137077 (1979-01-01), Credelle et al.
Griot, "Prism Potpourri", Electro-Optical Systems Design, p. 28, 3/1976.
Classification Definitions, pp. 350-366, Mar. 1973.

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