FR63580E - Miroir dispersif alvéolé - Google Patents

Miroir dispersif alvéolé

Info

Publication number
FR63580E
FR63580E FR63580DA FR63580E FR 63580 E FR63580 E FR 63580E FR 63580D A FR63580D A FR 63580DA FR 63580 E FR63580 E FR 63580E
Authority
FR
France
Prior art keywords
honeycomb
dispersive mirror
dispersive
mirror
honeycomb dispersive
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
Georges-Robert-Pierr Marie
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 FR63580E publication Critical patent/FR63580E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/006—Selective devices having photonic band gap materials or materials of which the material properties are frequency dependent, e.g. perforated substrates, high-impedance surfaces
    • H01Q15/0073—Selective devices having photonic band gap materials or materials of which the material properties are frequency dependent, e.g. perforated substrates, high-impedance surfaces said selective devices having corrugations

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR63580D 1952-12-12 1952-12-12 Miroir dispersif alvéolé Expired FR63580E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR63580T 1952-12-12

Publications (1)

Publication Number Publication Date
FR63580E true FR63580E (fr) 1955-09-29

Family

ID=8696796

Family Applications (1)

Application Number Title Priority Date Filing Date
FR63580D Expired FR63580E (fr) 1952-12-12 1952-12-12 Miroir dispersif alvéolé

Country Status (1)

Country Link
FR (1) FR63580E (fr)

Similar Documents

Publication Publication Date Title
FR1050075A (fr) Miroir dispersif alvéolé
FR1062289A (fr) Rétroviseur
FR1118058A (fr) Catalyseur
FR1058422A (fr) Rasoir perfectionné
FR63580E (fr) Miroir dispersif alvéolé
FR1063268A (fr) Fusée
CH319454A (it) Camiciotto
FR1059108A (fr) Propulseur
FR1062385A (fr) échelle pliante
FR1078528A (fr) Catalyseur
AT177945B (de) Rasiereinrichtung
AT178889B (de) Läuterhahn
AT179424B (de) Libelle
FR1060518A (fr) Peigne
ES29589Y (es) Maquinilla de afeitar
ES33298Y (es) Maquinillas de afeitar
ES32852Y (es) Secafirmas plegable
CH319813A (de) Umwendbarer Doppelspiegel
FR1083594A (fr) Thyratrons
ES33347Y (es) Espejo perfeccionado
ES29677Y (es) Peinador perfeccionado
FR1066516A (fr) Bigoudi
FR1093450A (fr) Bigoudi
ES30829Y (es) Estuche para maquinilla de afeitar
ES31427Y (es) Sostén