FR844084A - Instrument modulateur de rayons, particulièrement destiné à la téléphonie par faisceaux lumineux - Google Patents

Instrument modulateur de rayons, particulièrement destiné à la téléphonie par faisceaux lumineux

Info

Publication number
FR844084A
FR844084A FR844084DA FR844084A FR 844084 A FR844084 A FR 844084A FR 844084D A FR844084D A FR 844084DA FR 844084 A FR844084 A FR 844084A
Authority
FR
France
Prior art keywords
telephony
radius
light beams
particularly intended
modulator instrument
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)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZEISS CARL SOC
Original Assignee
ZEISS CARL SOC
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 by ZEISS CARL SOC filed Critical ZEISS CARL SOC
Application granted granted Critical
Publication of FR844084A publication Critical patent/FR844084A/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/66—Transforming electric information into light information

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR844084D 1937-09-30 1938-09-29 Instrument modulateur de rayons, particulièrement destiné à la téléphonie par faisceaux lumineux Expired FR844084A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE509376X 1937-09-30

Publications (1)

Publication Number Publication Date
FR844084A true FR844084A (fr) 1939-07-18

Family

ID=6547183

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844084D Expired FR844084A (fr) 1937-09-30 1938-09-29 Instrument modulateur de rayons, particulièrement destiné à la téléphonie par faisceaux lumineux

Country Status (3)

Country Link
FR (1) FR844084A (enrdf_load_stackoverflow)
GB (1) GB509376A (enrdf_load_stackoverflow)
NL (1) NL49615C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
GB509376A (en) 1939-07-14
NL49615C (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
FR844084A (fr) Instrument modulateur de rayons, particulièrement destiné à la téléphonie par faisceaux lumineux
FR786947A (fr) Système de boîte destinée à contenir les peintures, par exemple
DK66639C (da) Anordning ved Haandtasker, som indeholder en elektrisk Lyskilde.
ES145994A3 (es) Mecanismo pistón para instrumentos musicales.
DK57354C (da) Fremgangsmaade til Merkurering af Benzol.
GR8867B (el) Αλεξηνεμος φανος δι' οχηματα.
DK53677C (da) Termoregulator.
DK53373C (da) Lysskilt.
FR545809A (fr) Perfectionnements aux appareils de projection de lumière pour lanternes de projection optiques, cinématographes, etc.
DK48224C (da) Anordning ved Straalekastere.
FR857826A (fr) Réflecteur de lumière pour source linéaire
FR763778A (fr) Pince de fixation en lame de doublé pour stylographe, porte-mine, etc.
FR747814A (fr) Modulateur de lumière
GR6122B (el) Φωτεινον κατοπτρον.
ES145993A3 (es) Mecanismo de válvula para instrumentos musicales.
DK47533C (da) Lysskilt.
DK48575C (da) Lysskilt.
DK48272C (da) Lysskilt.
DK61046C (da) Spejlkondensorsystem til linieformede Lyskilder.
DK47162C (da) Anordning ved søjlebaarne Kippegryder.
FR803527A (fr) Réflecteur à miroir à échelons, en forme de gouttière
DK55563C (da) Bjælke.
DK47150C (da) Anordning ved Belysningsarmaturer.
FR602170A (fr) Système de compas mécanique à branches à usages multiples, interchangeables
CA356137A (en) Light beam modulation