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1. (WO1991009434) A CORNER REFLECTOR FOR USE IN A RADAR BALLOON
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1991/009434 International Application No.: PCT/NO1989/000129
Publication Date: 27.06.1991 International Filing Date: 11.12.1989
Chapter 2 Demand Filed: 17.06.1991
IPC:
H01Q 15/20 (2006.01)
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
Q
AERIALS
15
Devices for reflection, refraction, diffraction, or polarisation of waves radiated from an aerial, e.g. quasi-optical devices
14
Reflecting surfaces; Equivalent structures
18
comprising plurality of mutually inclined plane surfaces, e.g. corner reflector
20
Collapsible reflectors
Applicants:
BACO INDUSTRIER A/S [NO/NO]; Freiveien 12 N-6500 Kristiansund N, NO (AllExceptUS)
BJORDAL, Oddvar [NO/NO]; NO (UsOnly)
FYKSE, Haakon [NO/NO]; NO (UsOnly)
Inventors:
BJORDAL, Oddvar; NO
FYKSE, Haakon; NO
Agent:
HELGERUD, Jan; Bryns Patentkontor A/S P.O. Box 9566, Egertorget N-0128 Oslo 1, NO
Priority Data:
Title (EN) A CORNER REFLECTOR FOR USE IN A RADAR BALLOON
(FR) REFLECTEUR ANGULAIRE EMPLOYE DANS UN BALLON RADAR
Abstract:
(EN) A balloon with an internal corner reflector for radio waves is built with the reflecting plane of the reflector freely suspended from a cord frame system which is only secured in the points of suspension. The reflector is suspended inside a balloon which is composed of single flat pieces of a resilient material. Manufacture of the reflector balloon may substantially be done in one plane and the balloon primarily envelopes the reflector very tightly. The suspension utilizes the resiliency of the balloon corners. Balloons which are observed from below may have four internal corners with downwards facing openings and may also be designed to provide rotation.
(FR) Ballon équipé d'un réflecteur angulaire interne pour ondes radioélectriques. Le plan réfléchissant du réflecteur est suspendu librement à une structure de cordages qui n'est fixée qu'aux points de suspension. Le réflecteur est suspendu à l'intérieur du ballon composé de pièces unitaires plates de matériau élastique. Le ballon réflecteur peut être fabriqué quasiment dans un seul plan, et le ballon enserre très fortement le réflecteur. La suspension utilise l'élasticité des angles du ballon. Vus d'en bas, les ballons peuvent avoir quatre coins intérieurs munis d'ouvertures face vers le bas. Ils peuvent aussi être conçus de manière à pouvoir pivoter.
Designated States: AT, AU, BB, BG, BR, CH, DE, DK, FI, GB, HU, JP, KP, KR, LK, LU, MC, MG, MW, NL, NO, RO, SD, SE, SU, US
European Patent Office (AT, BE, CH, DE, ES, FR, GB, IT, LU, NL, SE)
African Intellectual Property Organization (BF, BJ, CF, CG, CM, GA, ML, MR, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
FI922692EP0504135JP2602970JPH05503610AU1989046659