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1. (WO2018037218) ATTITUDE DETERMINATION SYSTEM
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2018/037218 International Application No.: PCT/GB2017/052469
Publication Date: 01.03.2018 International Filing Date: 21.08.2017
IPC:
G01S 3/786 (2006.01) ,G01S 5/16 (2006.01)
G PHYSICS
01
MEASURING; TESTING
S
RADIO 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
3
Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
78
using electromagnetic waves other than radio waves
782
Systems for determining direction or deviation from predetermined direction
785
using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system
786
the desired condition being maintained automatically
G PHYSICS
01
MEASURING; TESTING
S
RADIO 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
5
Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations
16
using electromagnetic waves other than radio waves
Applicants: THE UNIVERSITY OF SUSSEX[GB/GB]; Sussex House Falmer Brighton Sussex BN1 9RH, GB
Inventors: BARNETT, Anna Megan; GB
PARSONS, Richard Justin; GB
Agent: DEHNS; St Bride's House 10 Salisbury Square London Greater London EC4Y 8JD, GB
Priority Data:
1614330.722.08.2016GB
Title (EN) ATTITUDE DETERMINATION SYSTEM
(FR) SYSTÈME DE DÉTERMINATION D'ATTITUDE
Abstract:
(EN) An instrument (20) determines the attitude of a spacecraft (3) on which it is mounted, by interacting incident light (11) from the Sun with one or more light conditioning elements (12) and thereby forming a diffraction pattern at a photo- sensitive detector (13). The intensity distribution of light on the detector (13) is dependent on the angle of incidence of the light (11). An on-board computer (16) determines a direction vector to the Sun based on the light diffraction pattern detected by the detector (13).
(FR) La présente invention concerne un instrument (20) qui détermine l'attitude d'un engin spatial (3) sur lequel il est monté, par interaction de la lumière incidente (11) du soleil avec un ou plusieurs éléments de conditionnement de lumière (12), formant ainsi un motif de diffraction au niveau d'un détecteur photosensible (13). La répartition de l'intensité de la lumière sur le détecteur (13) dépend de l'angle d'incidence de la lumière (11). Un ordinateur embarqué (16) détermine un vecteur de direction vers le soleil sur la base du motif de diffraction de lumière détecté par le détecteur (13).
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)