EP 0764316 B1 19981021 - ALARM AND MONITORING DEVICE FOR THE PRESUMPTION OF BODIES IN DANGER IN A SWIMMING POOL
Title (en)
ALARM AND MONITORING DEVICE FOR THE PRESUMPTION OF BODIES IN DANGER IN A SWIMMING POOL
Title (de)
ÜBERWACHUNGS- UND WARNUNGSVORRICHTUNG ZUR VERMUTUNG VON KÖRPERN IN GEFAHR IN EINEM SCHWIMMBECKEN
Title (fr)
DISPOSITIF DE SURVEILLANCE ET D'ALERTE DE LA PRESOMPTION DE CORPS EN DANGER DANS UNE PISCINE
Publication
Application
Priority
- CH 184794 A 19940609
- IB 9500426 W 19950602
Abstract (en)
[origin: WO9534056A1] The invention relates to a device for monitoring the absence of motionless bodies in a swimming pool. Two cameras (1) provide for the permanent immerging of the bottom of the swimming pool. These images are first digitized and then processed by a computer. The superimposition of the two information permits to analyze all the surface of the swimming pool in order to determine if a portion is masked by an obstacle. When such obstacle is detected, the duration of the presence of each masked pixel is analyzed. After a certain time delay, and for a minimum number of neighbouring pixels, an alarm is generated.
IPC 1-7
IPC 8 full level
E04H 4/06 (2006.01); E04H 4/00 (2006.01); G08B 21/00 (2006.01); G08B 21/08 (2006.01)
CPC (source: EP US)
G08B 21/082 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9534056 A1 19951214; AT E172568 T1 19981115; AU 2452895 A 19960104; CA 2192236 A1 19951214; CH 691151 A5 20010430; DE 69505528 D1 19981126; DE 69505528 T2 19990422; EP 0764316 A1 19970326; EP 0764316 B1 19981021; JP H10504860 A 19980512; US 5886630 A 19990323
DOCDB simple family (application)
IB 9500426 W 19950602; AT 95918704 T 19950602; AU 2452895 A 19950602; CA 2192236 A 19950602; CH 184794 A 19940609; DE 69505528 T 19950602; EP 95918704 A 19950602; JP 50061196 A 19950602; US 78194696 A 19961206