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Pub. No.:    WO/2006/082405    International Application No.:    PCT/GB2006/000353
Publication Date: 10.08.2006 International Filing Date: 02.02.2006
G08B 29/04 (2006.01)
Applicants: PYRONIX LIMITED [GB/GB]; Pyronix House, Braithwell Way, Hellaby, Rotherham S66 8QY (GB) (For All Designated States Except US).
COOPER, Glyn [GB/GB]; (GB) (For US Only)
Inventors: COOPER, Glyn; (GB)
Agent: HARRISON, Goddard, Foote; Fountain Precinct, Balm Green, Sheffield S1 2JA (GB)
Priority Data:
0502144.9 02.02.2005 GB
60/649,941 04.02.2005 US
Abstract: front page image
(EN)Embodiments of the present invention relate to a range reduction detection apparatus that is able to detect blocking of its field of view. Detection of an event, due to movement or intrusion within the field of view, is arranged to start a timer, which will time-out thereby providing an indication of such blocking unless a subsequent event is detected within the time-period.
(FR)La présente invention porte sur un détecteur de réduction de plage capable de détecter le blocage de son champ de vision. La détection d'un événement, tel qu'un mouvement ou une intrusion dans le champ de vision, s'effectue par la mise en route d'un temporisateur, qui effectuera une temporisation au bout d'un certain temps, générant ainsi une indication de ce blocage sauf si un événement ultérieur est détecté dans ce délai.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)