摘要:
The inventive concept directly relates to device cognition apparatus. The device cognition apparatus according to the inventive concept may include a wireless part forming a main beam and side beams, a transmission signal processing part pointing the main beam at a peripheral device for establishing a communication link, a reception signal processing part receiving reception signal intensities respectively corresponding to the main beam and the side beams from each of a plurality of peripheral devices, and a controller calculating signal differences between the main beam and the side beams based on the received reception signal intensities and selecting the peripheral device for establishing the communication link from the plurality of peripheral devices by the result of the calculation.
摘要:
Disclosed herein is a method for preparing a collagen gel composition for bone regeneration comprising collecting bone marrow from animal tissues and isolating nucleated cells from the bone marrow; and mixing the nucleated cells and a bio-matrix composed of type I collagen and apatite.