Data transaction system for process monitoring and event...

Data transducer

Data transmission system using independent portable device...

Data transmission system, portable object and reader usable...

Data/pen well

Database of target objects suitable for use in screening...

Database updating apparatus

Dataform readers and methods

Debit card

Decision tree analysis

Decoding method and circuit

Decoding method and system for etab bar code

Degraded character image restoration

Delivery device and method for its operation

Derivatives of 4,4'-dicarbethoxy-1,1'-ethylenedipiperazine...

Detecting copied value-added indicia

Detecting mobile telephone misuse

Detection device

Detection or identification antenna insensitive to the...

Determining a printer's signature and the number of dots per...