Title (en)

INFRARED PRESENCE SENSOR

Publication

EP 0484293 A3 19920617 (EN)

Application

EP 91830462 A 19911029

Priority

• IT 5334290 U 19901029
• IT 6783590 A 19901029

Abstract (en)

[origin: EP0484293A2] A passive presence sensor (10) of the spatial type for rooms and the passenger compartments of motor vehicles includes a Fresnel lens (14) for focusing the monitoring radiation onto a respective pyroelectric sensitive element (12). The sensor (10) can be produced in the form of a module which can be fitted in a connection box (1 to 7) or the like of an electrical system and/or installed in motor vehicles as original equipment and is characterised by low energy consumption. <IMAGE>

IPC 1-7

G08B 13/193

IPC 8 full level

G08B 13/193 (2006.01)

CPC (source: EP)

G08B 13/193 (2013.01)

Citation (search report)

• [X] GB 2186972 A 19870826 - MATSUSHITA ELECTRIC WORKS LTD
• [Y] DE 3710561 A1 19881013 - KOPP GMBH & CO KG HEINRICH [DE]
• [X] GB 2215454 A 19890920 - RACAL GUARDALL [GB]
• [X] US 4841284 A 19890620 - BIERSDORFF JACK L [US]
• [Y] GB 2205642 A 19881214 - PITTWAY CORP
• [Y] EP 0337964 A1 19891018 - ELKRON SPA [IT]

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

EP 0484293 A2 19920506; EP 0484293 A3 19920617; EP 0484293 B1 19940112; DE 69101002 D1 19940224; DE 69101002 T2 19940505

DOCDB simple family (application)

EP 91830462 A 19911029; DE 69101002 T 19911029