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A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.
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| Number | Title | Issue Date |
| 7495556 | Sensor for use with automatic doors The present invention relates to a sensor (8) for use with an automatic door comprising at least two detectors (10, 12) based on different technologies, a processor (14) for processing the signals generated by at least two detectors (10, 12 | 02/24/2009 |
| 7446862 | Door sensor system for detecting a target object A door sensor system (90) for detecting a target object (56) in and/or near a door comprising a door opening (96), and at least one movable door element (76, 76-1, 76-2, 76-3, 76-4), the system comprising at le... | 11/04/2008 |
| 7362224 | Thermally sensitive array device for presence detection around automatic doors The present invention relates to a thermally sensitive array device for detecting a presence of a target object in a surveillance area. The device comprises a plurality of at least two thermally sensitive sensors provided in an array arrangement, each thermally sens... | 04/22/2008 |
| 7349074 | Laser scanning and sensing device for detection around automatic doors The present invention relates to a light scanner device (10) for measuring a range and an angular direction of a target object (56), the device (10) comprising a pulsed source (12) adapted to transmit light pulses, a transmitter deflectio... | 03/25/2008 |
| 7154112 | Distance measurement sensor A measurement sensor comprising a PSD (30) as an optoelectronic receiver, a transmitter (10, 12) for generating spots (22, 26), optics (14, 32) for reproducing the spots (22′, 26′) on the PSD (30) and means (44, 46, 4... | 12/26/2006 |
