en:gretag
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+ | ====== Dr. E. Gretener AG / Gretag AG ====== | ||
+ | {{ : | ||
+ | The Zuricht based company Dr. E. Gretener AG developed for the Swiss Army not only the paper tape teleprinter [[ETK]] based on a unique 14 element code, but also cipher equipment. | ||
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+ | ===== Company history ===== | ||
+ | The **Dr. Edgar Gretener AG** was founded in Zurich - Altstetten in 1943. Initially, together with Ciba, the company developed the large - screen projection system Eidophor. | ||
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+ | After the death of Dr. Gretener in 1958, the company was renamed **Gretag AG**; after 1960, the company location was moved from Kleinstrasse in Zurich to new properties in Regensdorf ZH, where it remained for many years. The Gretag AG not only developed cipher machines and crypto devices but also a color separation system for the printing industry. | ||
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+ | One of the first developments was the " | ||
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+ | In 1948, after he moved from Sweden to Switzerland, | ||
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+ | Matching with the [[ETK]] teleprinter, | ||
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+ | The use of the specific 14 segment code never was successful outside of Switzerland, | ||
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+ | In the early nineties, the cryptology division was split off to act as an independant company Gretag Data Systems AG. In 1995 the company was renamed Gretacoder Data Systems AG. | ||
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+ | Then an American investor took over the company, which was renamed Safe Net Data Systems AG - despite massive financial investments, | ||
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+ | After the liquidation, | ||
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+ | ==== More information ==== | ||
+ | * [[http:// | ||
+ | * [[http:// | ||
+ | * [[http:// |
en/gretag.txt · Zuletzt geändert: 2019/11/27 11:02 von 127.0.0.1