G - Physics – 09 – F
Patent
G - Physics
09
F
G09F 11/24 (2006.01) G09F 11/26 (2006.01)
Patent
CA 2282590
The subject of the invention is an element (1) for displaying information which comprises a frame (2), rollers (3) which are located some distance apart from each other in the frame and a web (4), on which the information is placed and which can be moved between the rollers (3), where the information is visible. Identifying codes (5, 6) are located on the web for monitoring the movement of the web and a sensor device (7) is located on the frame to observe the identifying codes, where the identifying codes (5, 6) are codes (5, 6) situated on the web (4) of which one code is the data code (6) concerning the position of information on the web. In the element according to the invention is the feature that one code (5) is for measuring the web speed, direction and distance travelled. This code is formed by signals located on the web some distance from each other, which the sensor device (7) has been arranged to observe continually. The code concerning the location of the information (6) is contained in a different code strip.
La présente invention concerne un afficheur (1) fait d'un cadre (2) renfermant des rouleaux (3) éloignés l'un de l'autre d'une distance connue. Une bande de toile (4) sur laquelle sont apposées les informations à présenter circule d'un rouleau (3) à l'autre, exposant ainsi les informations. Des codes d'identification (5, 6) disposés sur la bande de toile permettent de surveiller le mouvement de la bande toile, un capteur (7) situé sur le cadre identifiant ces codes. L'un de ces codes d'identifications (5, 6) situés sur la bande de toile (4) est un code de données (6) concernant la position de l'information sur la bande de toile. L'une des particularités de l'afficheur de l'invention est de comporter un code (5) permettant de mesurer la vitesse, le sens et la longueur de déplacement de la bande de toile. Ce code est constitué de marques apposées à une certaine distance les unes des autres sur la bande de toile, le capteur (7) étant disposé de façon à observer ce code de façon continue. Le code concernant la position de l'information (6) occupe une bande de code différente.
Laakkonen Jukka
Laitinen Reino
Kirby Eades Gale Baker
Meslab Oy
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