Patent ID: 9400216
Filing Date: 2016-07-26
CPC Classification: G01J,G08B

Claim Text:
1. A detector comprising: a passive infra-red sensor configured to detect the presence of a person within the detection field of the sensor; and a clip configured to attach the detector to an existing light fitting with the sensor arranged such that its detection field covers at least partially the area illuminated by the light fitting, wherein the clip comprises an elongate member having a distal end and a proximal end, the clip further comprising at least one opposing member mounted at the distal end of the elongate member and arranged to clamp a portion of a light fitting between the elongate member and the opposing member; wherein the sensor is provided within a housing and the housing is mounted to the elongate member on the opposite side thereof to the opposing member; and wherein the housing is slidably mounted relative to the elongate member.