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1. WO2020111993 - A VAULT COVER AND A METHOD THEREFOR

Publication Number WO/2020/111993
Publication Date 04.06.2020
International Application No. PCT/SE2018/051234
International Filing Date 30.11.2018
IPC
H04B 7/145 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
14Relay systems
145Passive relay systems
G02B 5/18 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
18Diffracting gratings
H01Q 15/02 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
15Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
02Refracting or diffracting devices, e.g. lens, prism
CPC
G02B 5/18
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
18Diffraction gratings
H01Q 1/04
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
1Details of, or arrangements associated with, antennas
04Adaptation for subterranean or subaqueous use
H01Q 1/42
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
1Details of, or arrangements associated with, antennas
42Housings not intimately mechanically associated with radiating elements, e.g. radome
H01Q 15/02
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
15Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
02Refracting or diffracting devices, e.g. lens, prism
H01Q 19/06
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
19Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
06using refracting or diffracting devices, e.g. lens
H04B 7/145
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
14Relay systems
145Passive relay systems
Applicants
  • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) [SE]/[SE]
Inventors
  • RINGSTRÖM, Markus
  • ASPLUND, Henrik
Agents
  • BOU FAICAL, Roger
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) A VAULT COVER AND A METHOD THEREFOR
(FR) COUVERCLE DE COFFRE ET PROCÉDÉ ASSOCIÉ
Abstract
(EN)
There is provided a vault cover and a method for a vault cover covering a vault. The vault includes at least part of a radio transmitter unit for a communications network. The vault cover includes an integrated transmission grating configured to govern the propagation direction of radio waves transmitted through the vault cover. The method includes generating, using the radio transmitter unit and the integrated transmission grating, radio waves for the communications network. The radio waves are transmitted through the vault cover in the propagation direction governed by the integrated transmission grating.
(FR)
L'invention concerne un couvercle de coffre et un procédé pour un coffre de voûte recouvrant un coffre. Le coffre comprend au moins une partie d'une unité d'émetteur radio pour un réseau de communication. Le couvercle de coffre comprend un réseau de transmission intégré configuré pour gouverner la direction de propagation d'ondes radio transmises à travers le couvercle de coffre. Le procédé consiste à générer, à l'aide de l'unité d'émetteur radio et du réseau de transmission intégré, des ondes radio pour le réseau de communication. Les ondes radio sont transmises à travers le couvercle de coffre dans la direction de propagation régie par le réseau de transmission intégré.
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