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1. (WO2004036539) PASSIVE TOUCH-SENSITIVE OPTICAL MARKER
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2004/036539    International Application No.:    PCT/US2003/022879
Publication Date: 29.04.2004 International Filing Date: 22.07.2003
Chapter 2 Demand Filed:    06.05.2004    
IPC:
G06F 3/03 (2006.01), G06M 7/00 (2006.01), G09G 5/00 (2006.01), H01J 40/14 (2006.01)
Applicants: INTERNATIONAL BUSINESS MACHINES CORPORATION [US/US]; New Orchard Road, Armonk, New York, NY 10504 (US)
Inventors: HENDRIKS, Ferdinand; (US).
KARIDIS, John, P.; (US)
Agent: LEWIS, William, E.; Ryan, Mason & Lewis, LLP., 90 Forest Avenue, Locust Valley, NY 11560 (US)
Priority Data:
10/270,976 15.10.2002 US
Title (EN) PASSIVE TOUCH-SENSITIVE OPTICAL MARKER
(FR) MARQUEUR OPTIQUE TACTILE PASSIF
Abstract: front page image
(EN)A passive optical marker for use in accordance with an electronic whiteboard system that selectively allows a reflector associated with the optical marker to be exposed to a light emitting source. Thus, the optical marker of the present invention selectively provides information pertaining to the location of the optical marker and pen-up/pen-down states.
(FR)L'invention concerne un marqueur optique passif, qui s'utilise avec un système de tableau electronique blanc permettant d'exposer sélectivement un réflecteur associé au marqueur optique à une source d'émission de lumière. Ainsi, le marqueur optique de l'invention fournit sélectivement des informations se rapportant à l'emplacement du marqueur optique et à des états lever de plume/baisser de plume.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NO, NZ, OM, PH, PL, PT, RO, RU, SD, SE, SG, SK, SL, TJ, TM, TN, TR, TT, TZ, UA, UG, UZ, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Organization (GH, GM, KE, LS, MW, MZ, 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, IT, LU, MC, NL, 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)