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Optical cards manufactured by Landis & Gyr is the earliest industrial production in the revolutionary field of coherent optic, few years before that CD-Rom appeared. This website is dedicated to this decisive innovation launched in April 1974 in Switzerland...
CONTENT :
* Online Catalogue including most of the earliest optical-cards produced by Landis & Gyr (Zug),
* Technical Features about production of optical-cards (Zug) and optical-readers (Geneva),
* Articles for download (in English, french, German) about optical-cards' systems,
* Last News about community and events from all over the world,
* Tutorial to be consulted in case of first access !
LAST FEATURES :
Feb : FI-STU11-BEL-03 and FI-STU11-BEL-04 augmented with new printrun,
Jan : SILJA-LINE ferry-cards with prefix 107H and 109H added,
Jan : Field-Trials augmented with Dragsvig Tammisaari, Tampereen Puhelin & Kankaanpää,
Dec : Finland cards augmented with new details about distribution and dissemination,
Dec : 30u and 20u OF cards completed for Turkey,
Nov : FA3 erasing-card added for Belgium (120u on 20u cards),
Nov : "Lake Geneva" Democards completed for Taiwan, Israël, Algeria and Stu. 22 countries,
Nov : FA3 cards added for Switzerland (Kinebar/Sprinter), Portugal and Argentina (Lake Zug),
Oct : Central-Laboratory section augmented with new articles,
Oct : Adjusting cards augmented with new scans and new details,
Oct : DE-STU16-THA-01 augmented with pictures of Royal-Tai-Hologram for Millenium cards,
Oct : L&G Reviews, Brochures and Cards' Production augmented with articles for download,
Oct : Technical Feature about SK12 Systems developped in Lausanne and Geneva,
Oct : Experimental card for ultrasonic erasing tests (see EX-STU11-BEL-02) is added,
Sep : 1976 Field-Trials for the University of Geneva (see FI-STU11-SWI-01 to SWI-04) detailed,
Sep : 1977 Field-Trials for Head-Office of Sodeco Saia in Geneva (see FI-STU11-SWI-05) added,
Sep : 1977 Field-Trials "A" in Bruxelles (see FI-STU11-BEL-01 to BEL-06) detailed,
Sep : 1980 Field-Trials for Bundeshaus Bern (see FI-STU11-SWI-06) detailed.
FEATURES in PREPARATION :
* Cards production in Zug (Switzerland), Croydon (Great-Britain) and Hsinchu (Taiwan, PRC),
* Understanding the cards' production and embossing of the optical structures,
* Panorama of Payphones produced by Sodeco in Geneva...
Sincerely yours, Alain Knecht (February 2010).
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