EP 1550014 A1 20050706 - AN OVERHEAD PROJECTOR FOR USE IN AN AUDIO/VISUAL PRESENTATION
Title (en)
AN OVERHEAD PROJECTOR FOR USE IN AN AUDIO/VISUAL PRESENTATION
Title (de)
TAGESLICHTPROJEKTOR ZUR VERWENDUNG BEI EINER AUDIOVISUELLEN PRûSENTATION
Title (fr)
RETROPROJECTEUR DESTINE A UNE PRESENTATION AUDIOVISUELLE
Publication
Application
Priority
US 0232014 W 20021007
Abstract (en)
[origin: WO2004034157A1] The present invention provides a time tracking device comprising a display incorporated into a housing of a projector, a control pad, and a power source. The time tracking device can provide a presenter with the ability to track the elapsed time of a presentation. The time tracking device is further capable of being projected onto a viewing screen using the light source and lens of the projector device. The device comprises a control pad which controls the functions of the timer device, such as on/off, start, stop, pause, reset, mode, illumination, and time of day. The present invention also provides a presentation timer comprising a presentation timer program module and an input control module operable for controlling timer functions associated with the presentation timer program module.
IPC 1-7
IPC 8 full level
G04G 9/00 (2006.01)
CPC (source: EP)
G04G 9/00 (2013.01)
Citation (search report)
See references of WO 2004034157A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
DOCDB simple family (publication)
WO 2004034157 A1 20040422; AT E525684 T1 20111015; CA 2501711 A1 20040422; CA 2501711 C 20120828; DK 1550014 T3 20120123; EP 1550014 A1 20050706; EP 1550014 B1 20110921; HK 1078351 A1 20060310
DOCDB simple family (application)
US 0232014 W 20021007; AT 02807987 T 20021007; CA 2501711 A 20021007; DK 02807987 T 20021007; EP 02807987 A 20021007; HK 05112033 A 20051228