This research paper highlights inconsistencies in the way Radio Frequency Identification (RFID) is compared to existing barcoding technology and the lack of empirical evidence to support one’s superiority over the other. Reference is drawn to the way in which RFID and barcoding technologies are represented in the literature. Time and motion studies were conducted in a distribution company’s chilled warehouse where RFID technology had already been trialled and implemented on recyclable refrigerated food trays and in operation alongside barcoding systems. Attention was given to recording the number and nature of errors that each technology exhibited. This paper concludes that while RFID can deliver improved operational performance over traditional barcode systems, it is found to be less reliable in implementation. Hybrid systems may offer operational benefits over single-technology systems, but the cost of their complexity still needs to be examined.

/pdf/a-comparison-of-barcoding-and-rfid-technologies-in-practice-1a9bsyyuqw.pdf

A comparison of barcoding and RFID technologies in practice

A method of printing digital data onto or with a photograph using infra-red ink and using an ink jet printing process is disclosed. The data can store the details of the image in an encoded fault tolerant form enabling the copying or recovery of the photograph notwithstanding damage thereto.

Method and apparatus for fault tolerant data storage on photographs

In environments characterised by complex structures and processes, universities rely on co-operation and goodwill between staff to function effectively, underpinned by good service quality. However...

The value of co-operation: an examination of the work relationships of university professional services staff and consequences for service quality

Verfahren und vorrichtung zur fehlertoleranten speicherung von daten auf fotografien

Covers the development of the PDF417 barcode symbology, describing the evolution of the linear bar code and why PDF – the portable data file – was developed. Examples are given of PDF417 being used. Techniques including error correction, algorithms and scanning are described.

The evolution of the PDF417 communications medium

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The evolution of the PDF417 communications medium