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| Number | Title | Issue Date |
| 8107058 | Sensor device and system having a conveyor and a sensor device A sensor device having a sensor arrangement for detecting moving objects that includes a sensor and an electronic unit. The sensor arrangement is designed to detect an object and to subsequently investigate whether there are present within the surface of the object ... | 01/31/2012 |
| 8035942 | Safety switch device A safety switch device for switching a power supply for a load on and off, having at least one driveable switching element, in particular a relay, and a safety circuit for checking a switching state of the switching element. The switching element is in the form of a... | 10/11/2011 |
| 7830532 | Door/gate monitoring sensor device The invention proposes a sensor array having a plurality of sensor devices comprising a source of electromagnetic radiation, a receiver for the electromagnetic radiation and a control device, the control device being designed to use the source to emit electromagneti... | 11/09/2010 |
| 7684018 | Sensor device A sensor device including a source for electromagnetic radiation, a receiver and a control device, the control device being designed for emitting electromagnetic radiation by means of the source and for determining a distance that is covered by the electromagnetic r... | 03/23/2010 |
| 7663737 | Electromagnetic radiation monitoring sensor device A sensor device including a source for electromagnetic radiation, a plurality of receivers for the electromagnetic radiation, and an electronics unit designed to transmit electromagnetic radiation by means of the source and to determine a distance which the electrom... | 02/16/2010 |
| 7126144 | Method for the contactless measurement of an object The invention relates to a method for the contactless measurement of an object in at least one dimension. An object is scanned in a spatially restricted effective zone of a scanning beam field and the size of the object in terms of the measured dimension is deduced ... | 10/24/2006 |
| 7044271 | Safety device for pinching zone of elevator doors The described safety mechanism is embodied for elevator systems with an elevator car, which can be displaced in an elevator shaft. The entrances to the elevator shaft and to the elevator car each have at least one sliding door, which is automatically operable by a d... | 05/16/2006 |
| 6124586 | Method of aligning a light curtain To properly align support elements (17,19), typically support bars or strips of a light curtain formed by a plurality of light beams (21), transmitted between transmitters (13) and receivers (15) on the respective support bars (17,19), a separate alignmen... | 09/26/2000 |
