The present invention is a detection device, system and/or method for locating the position of at least an object present in space, such as the position of a teat of an animal. The device may include an array of sensors. Each sensor in the array may incorporate a transmitter-receiver pair. The transmitter and receiver within each pair may be disposed at an angle, to detect an object in space, through the use of signals. Embodiments of the present invention may include one or more detection devices and may be utilized to detect one or more objects present invention space. The device of the present invention may be used in a system for milking dairy animals.