D' identification device for optical reading and radio...

Damping circuit for excavator swing drive

Data block format for software carrier and player therefor

Data capture system with communications and recharging...

Data card and mailer data match/inserter system

Data card feeder and stacker

Data card reader

Data carrier card and method for producing a data carrier card

Data carrier configuration

Data carrier which can be operated without contact

Data carrier with a chip and a plurality of sensors

Data carrier with an electronic module and process for...

Data clocking circuitry

Data code and apparatus for reading said data code

Data collection device

Data collection signal processing for increased performance...

Data communication apparatus

Data compression method and apparatus

Data control device

Data conversion system for line-narrowing a pattern