{HEAD ~ The present invention} relates generally to {TAIL ~ improvements} related to the use of electronic shelf labels , radio frequency identification tags, and other radiofrequency devices which are utilized, for example, to provide convenient access to pricing and other desired information for goods 
relates generally to
{ HEAD ~ The present invention } relates generally to { TAIL ~ improvements } related to the use of electronic shelf labels , radio frequency identification tags , and other radiofrequency devices which are utilized , for example , to provide convenient access to pricing and other desired information for goods
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH