Retroreflective sheet having a stickable surface

Details Retroreflective sheet having a stickable surface Retroreflective sheet having a stickable surface

1990-02-06

1992-06-02

Levy, Stuart S.

Registers

Coded record sensors

Particular sensor structure

235488, G06K 710, G06K 1902

Patent

active

051189305

ABSTRACT:
A retroreflective sheet having an adhesive surface, including a transparent base film, a plurality of small retroreflective members arranged on one surface of the transparent base film, and a transparent bonding agent layer laminated over the small retroreflective members, wherein the exposed laminated layer is adhered to a reflecting surface, thereby forming a retroreflective sheet. Light beams reflected through the retroreflective sheet are substantially collimated with the incident light beams, thereby intensifying the reflected signal and allowing the optical information to be read by a bar code reader from greater distances.

REFERENCES:
patent: 4011435 (1977-03-01), Phelps et al.
patent: 4020327 (1977-05-01), Geary et al.
patent: 4085314 (1978-04-01), Schultz et al.
patent: 4332437 (1982-06-01), Searight et al.
patent: 4618518 (1986-10-01), Pricone et al.
patent: 4691993 (1987-09-01), Porter et al.
patent: 4712867 (1987-12-01), Malek
patent: 4891254 (1990-01-01), Bianco

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