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File:Patentantrag - Manfred Börner - electro-optical transmission system utilizing lasers.jpg

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English: electro-optical transmission system utilizing lasers. Drawing by Manfred Börner concerning his patent applications Orig description in US patent: “FIG. 1 is a block circuit diagram for a multichannel transmitting station and an intermediate repeater station for a transmission system according to the invention which form part of a transmission line.” (column 4, line 21)
Deutsch: Optoelektronisches Nachrichten-Übertragungssystem; schematische Zeichnung von Manfred Börner zu den eingereichten Patentanträgen.
Patent DE1254513: Mehrstufiges Übertragungssystem für Pulscodemodulation dargestellte Nachrichten. Veröffentlicht am 16. November 1967, Erfinder: Manfred Börner.
French Pat.Nt. 1548972; Brit. Pat. Nr. 1202418; US Pat. Nr. 3845-293 → (pdf – drawing "Fig I" on page 2.)
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Source Manfred Börner
Author Manfred Börner. Uploaded by Matzei.

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Public domain The text and illustrations of US patents published before March 1, 1989 are in the public domain unless the patent text contains a specific notice that portions are copyrighted. See 37 CFR 1.71(d), 37 CFR 1.84(s)

The original patent contains no such notice, so its contents are in the public domain. Note: This only applies to images published before March 1, 1989. Patents published after that date are most likely copyrighted, unless in the public domain for another reason, such as {{PD-ineligible}}.

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current18:12, 10 October 2010Thumbnail for version as of 18:12, 10 October 20105,400 × 5,400 (2.05 MB)Matzei (talk | contribs)zweiter Versuch
18:06, 10 October 2010Thumbnail for version as of 18:06, 10 October 20105,400 × 5,400 (2.05 MB)Matzei (talk | contribs){{Information |Description={{en|1=Patentantrag - Manfred Börner - electro-optical transmission system utilizing lasers}} {{de|1=Patentantrag - Manfred Börner - electro-optical transmission system utilizing lasers}} |Source={{Manfred Börner}} |Author=[[

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