Nozzles for pressure pulse drop ejectors

Numbering device for wrapping machines

Off board ink supply system and method for an ink jet printer

Off-the-carrier ribbon feed and drive on a high speed...

Offset nozzle droplet formation

Oil delivery sheet material for use in various printer devices

One hand key shell

One-handed keyboard

One-handed keyboard

Opening and closing mechanism

Operation of droplet deposition apparatus

Operation of droplet deposition apparatus

Operation of droplet deposition apparatus

Operation of pulsed droplet deposition apparatus

Operator interchangeable gear driven platen and platen drive...

Optical paper sensing method and apparatus

Optical printer head and method of lighting up optical...

Optical sensing of ink jet printing

Optical sensing of wire matrix printers

Optical write head, and method of assembling the same