FR724826A - Système de téléphonie optique - Google Patents

Système de téléphonie optique

Info

Publication number
FR724826A
FR724826A FR724826DA FR724826A FR 724826 A FR724826 A FR 724826A FR 724826D A FR724826D A FR 724826DA FR 724826 A FR724826 A FR 724826A
Authority
FR
France
Prior art keywords
telephony system
optical telephony
optical
telephony
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Inventor
Jacques Brettmon
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR724826A publication Critical patent/FR724826A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Eye Examination Apparatus (AREA)
FR724826D 1930-12-27 1930-12-27 Système de téléphonie optique Expired FR724826A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR540040X 1930-12-27

Publications (1)

Publication Number Publication Date
FR724826A true FR724826A (fr) 1932-05-03

Family

ID=8929247

Family Applications (1)

Application Number Title Priority Date Filing Date
FR724826D Expired FR724826A (fr) 1930-12-27 1930-12-27 Système de téléphonie optique

Country Status (3)

Country Link
DE (1) DE540040C (fr)
FR (1) FR724826A (fr)
GB (1) GB396073A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3087065A (en) * 1958-09-26 1963-04-23 Engelhard Hanovia Inc Light communication system

Also Published As

Publication number Publication date
GB396073A (en) 1933-07-28
DE540040C (de) 1931-12-08

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