EP 1275017 A4 20080123 - MULTI-USER RETRO REFLECTOR DATA INPUT
Title (en)
MULTI-USER RETRO REFLECTOR DATA INPUT
Title (de)
MEHRBENUTZER-RETRO-REFLEKTOR-DATENEINGANG
Title (fr)
ENTREE DE DONNEES PAR RETROREFLECTEUR PAR PLUSIEURS UTILISATEURS
Publication
Application
Priority
US 0007538 W 20000321
Abstract (en)
[origin: WO0171397A1] The apparatus uses retro-reflected light, having a fixed component (41) and a variable component (37) varied by a person, from a retro reflector (31) connected to a person to input data (37A) to an information system (13) and does this for each of several persons in the same time interval.
IPC 8 full level
G02B 5/12 (2006.01); G06F 3/03 (2006.01); G06F 3/033 (2013.01); G06F 3/0346 (2013.01); G06F 3/042 (2006.01)
CPC (source: EP KR)
G02B 5/12 (2013.01 - KR); G06F 3/0304 (2013.01 - EP); G02B 5/12 (2013.01 - EP); G02B 5/124 (2013.01 - EP)
Citation (search report)
- [X] US 5365266 A 19941115 - CARPENTER LOREN C [US]
- See references of WO 0171397A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 0171397 A1 20010927; AU 4018900 A 20011003; BR 0017178 A 20030114; CN 1237354 C 20060118; CN 1451100 A 20031022; EP 1275017 A1 20030115; EP 1275017 A4 20080123; JP 2003528382 A 20030924; KR 20020092393 A 20021211
DOCDB simple family (application)
US 0007538 W 20000321; AU 4018900 A 20000321; BR 0017178 A 20000321; CN 00819353 A 20000321; EP 00919515 A 20000321; JP 2001569530 A 20000321; KR 20027012409 A 20020919