File:LeblancFDM.jpg
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Summary
| Description |
English: The multiple telegraph (FDM) circuit of Hutin and Leblanc from 1891
Français : Le circuit télégraphique multiple (FDM) de Maurice Hutin et Maurice Leblanc de 1891 |
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| Date | 9 May 1894 (filed) | ||
| Source | US patent US0838545 - MULTIPLE TELEGRAPHY AND TELEPHONY. | ||
| Author | Maurice Hutin, Maurice Leblanc | ||
| Permission (Reusing this file) |
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| Other versions |
https://ppubs.uspto.gov/pubwebapp/ Blob:https://ppubs.uspto.gov/bcf56a07-a06d-441f-a410-2165963527b4 |
Original upload log
The original description page was here. All following user names refer to en.wikipedia.
- 2009-06-05 17:37 Spinningspark 1000×1154× (250606 bytes) {{Information |Description=The multiple telegraph (FDM) cicuit of Hutin and Leblanc from 1891 |Source=US patent US0838545 |Date=9 May 1894 (filed) |Author=Maurice Hutin, Maurice Leblanc |other_versions= }} == Licensing == {{PD-US-patent}} {{KeepLocal}}
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:34, 6 November 2023 | | 1,000 × 1,154 (245 KB) | Clarioio | {{Information |Description=The multiple telegraph (FDM) circuit of Hutin and Leblanc from 1891 |Source=US patent US0838545 |Date=9 May 1894 (filed) |Author=Maurice Hutin, Maurice Leblanc |Permission={{PD-US-patent-no notice}} |other_versions= }} |
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- Usage on fr.wikipedia.org
