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A digital object memory (DOMe) is a digital storage space intended to keep permanently all related information about a concrete physical object instance that is collected during the lifespan of this object and thus forms a basic building block for the Internet of Things (IoT) by connecting digital information with physical objects. Such memories require each object instance to be uniquely identified and this ID to be attached to the physical object. The underlying techniques to create identification codes and to attach them to objects are manifold but machine-readable techniques are mandatory. Commonly used are barcodes with one or two dimensions (e.g. QRcode or DataMatrix) and radio based tags like RFID or NFC. Such codes or tags are a low cost solution but demand an underlying server infrastructure to host the memory data. == Active Digital Object Memories == In contrast to the mentioned memories providing only a passive storage space, the more sophisticated active digital object memories (ADOMe) are based on embedded systems in terms of cyber-physical systems (CPS) and provide on the hardware side * a microprocessor, * memory, * microsensor systems, * positioning chips, * radio modules for web connectivity, * possibly actuators, * its own energy supply or energy-harvesting unit and on the software side there are * memory management functions, * sensor interpretation components, * and possibly sensor fusion software modules, * state transformation and processing logic components, * communication interfaces, * user interfaces, * and security modules. Such active memories allow for "on-object" processing of object-related tasks, such as condition monitoring, compilation of associated data, and memory clean-up. In addition to strictly passive memories (storage space is located in the web as mentioned above) and active memories (with "on-object" storage) hybrid forms are also available, that perform simple tasks "on-product", outsource more complex tasks to server-based infrastructures, and keep both representations in sync. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Digital Object Memory」の詳細全文を読む スポンサード リンク
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