FR818503A - Systèmes de signalisation à hautes fréquences - Google Patents

Systèmes de signalisation à hautes fréquences

Info

Publication number
FR818503A
FR818503A FR818503DA FR818503A FR 818503 A FR818503 A FR 818503A FR 818503D A FR818503D A FR 818503DA FR 818503 A FR818503 A FR 818503A
Authority
FR
France
Prior art keywords
high frequency
signaling systems
frequency signaling
systems
signaling
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR818503A publication Critical patent/FR818503A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/26—Punching reheated glass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/06—Cutting or splitting glass tubes, rods, or hollow products
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/02—Local etching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
    • H01P1/163—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion specifically adapted for selection or promotion of the TE01 circular-electric mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/52—Systems for transmission between fixed stations via waveguides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Particle Accelerators (AREA)
  • Magnetic Treatment Devices (AREA)
  • Waveguides (AREA)
  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)
FR818503D 1935-10-05 1936-10-03 Systèmes de signalisation à hautes fréquences Expired FR818503A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43795A US2129714A (en) 1935-10-05 1935-10-05 Wave type converter for use with dielectric guides
US133810A US2180950A (en) 1935-10-05 1937-03-30 Guided wave transmission

Publications (1)

Publication Number Publication Date
FR818503A true FR818503A (fr) 1937-09-30

Family

ID=41078935

Family Applications (3)

Application Number Title Priority Date Filing Date
FR818503D Expired FR818503A (fr) 1935-10-05 1936-10-03 Systèmes de signalisation à hautes fréquences
FR49564D Expired FR49564E (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1935-10-05 1938-03-29
FR49566D Expired FR49566E (fr) 1935-10-05 1938-05-18 Systèmes de signalisation à hautes fréquences

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR49564D Expired FR49564E (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1935-10-05 1938-03-29
FR49566D Expired FR49566E (fr) 1935-10-05 1938-05-18 Systèmes de signalisation à hautes fréquences

Country Status (5)

Country Link
US (2) US2129714A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
DE (1) DE738361C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR (3) FR818503A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
GB (2) GB468548A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
NL (2) NL47517C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

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US10581522B1 (en) 2018-12-06 2020-03-03 At&T Intellectual Property I, L.P. Free-space, twisted light optical communication system

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DE738361C (de) 1943-08-12
FR49566E (fr) 1939-05-11
US2129714A (en) 1938-09-13
NL47517C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1939-08-15
GB468548A (en) 1937-07-07
US2180950A (en) 1939-11-21
NL49995C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1940-10-15
GB491196A (en) 1938-08-29
FR49564E (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1939-05-11

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