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1. WO2006049877 - TAPERED SLOT FEED FOR AN AUTOMOTIVE RADAR ANT

Publication Number WO/2006/049877
Publication Date 11.05.2006
International Application No. PCT/US2005/037558
International Filing Date 20.10.2005
IPC
H01Q 1/32 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
1Details of, or arrangements associated with, antennas
27Adaptation for use in or on movable bodies
32Adaptation for use in or on road or rail vehicles
CPC
G01S 7/032
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
02of systems according to group G01S13/00
03Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
032Constructional details for solid-state radar subsystems
H01Q 13/085
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
13Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
08Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
085Slot-line radiating ends
H01Q 3/46
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
3Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
44varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
46Active lenses or reflecting arrays
Applicants
  • MOTOROLA, INC. [US]/[US] (AllExceptUS)
  • FRANSON, Steven J., [US]/[US] (UsOnly)
  • BOSCO, Bruce A., [US]/[US] (UsOnly)
  • EMRICK, Rudy M., [US]/[US] (UsOnly)
  • HOLMES, John E., [US]/[US] (UsOnly)
Inventors
  • FRANSON, Steven J.,
  • BOSCO, Bruce A.,
  • EMRICK, Rudy M.,
  • HOLMES, John E.,
Agents
  • HUGHES, Terri, S.
Priority Data
10/978,77929.10.2004US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) TAPERED SLOT FEED FOR AN AUTOMOTIVE RADAR ANT
(FR) ALIMENTATION PAR FENTE EFFILEE D'ANTENNE RADAR D'AUTOMOBILE
Abstract
(EN) In one embodiment, an improved transceiver assembly for a vehicle capable of detecting potentially hazardous objects is disclosed. The transceiver assembly comprises a tapered slot feed antenna (50) for generating a beam and for detecting the beam as reflected from the potential hazards. The antenna is formed in or on a housing which also contains a parabolic dish (16) that oscillates to sweep the beam of radiation towards the potential hazards outside of the vehicle. In a preferred embodiment, approximately 77 GHz radiation is generated from and detected by the antenna. The antenna is preferably formed on a printed circuit board (PCB) (substrate) (22), which can include additional circuitry necessary to operate the antenna, and which is preferably mounted at an acute angle with respect to the housing to direct the beam at the parabolic dish.
(FR) Dans un mode de réalisation, la présente invention concerne un ensemble émetteur récepteur amélioré destiné à un véhicule capable de détecter des objets potentiellement dangereux. Cet ensemble émetteur secteur comprend une antenne d'alimentation par fente effilée permettant de générer un faisceau et de détecter ce faisceau tel qu'il est réfléchi à partir des dangers potentiels. Cette antenne est formé à l'intérieur et sur un boîtier qui contient aussi une parabole qui oscille afin de balayer le faisceau de rayonnement vers les dangers potentiels à l'extérieur du véhicule. Dans un mode de réalisation préféré, un rayonnement d'approximativement 77 gigahertz est généré et détecté par cette antenne. Cette antenne est de préférence formée d'une carte de circuits imprimé (PCB) (substrat), qui peut comprendre un circuit additionnel nécessaire pour faire fonctionner l'antenne, et qui est de préférence montée à un angle aigu par rapport au boîtier afin de diriger le faisceau vers la parabole.
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