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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 |
| 5604346 | Arrangement for recording an IR-image An arrangement for recording an IR image of an object. The arrangement has a focal plane array (FPA) of IR detectors and an optic which images the object on the focal plane IR detector array. At least one temperature reference is arranged in the beam path... | 02/18/1997 |
| 5572312 | Arrangement for calibration of at least one radiation-sensitive detector means An arrangement for calibration of at least one radiation-sensitive detector, comprising an aperture (90), at least one reference body (50, 60, 600) which emits radiation with a measurable intensity, at least one deflection member (160, 170, 620) which def... | 11/05/1996 |
