Pen-based computer system
Pen-based entry electronic device
Pen-based interface for a notepad computer
Pen-inputted personal information terminal device
Pen-mouse system
Pen-shaped coordinate pointing device
Pen-shaped coordinate pointing device
Pen-shaped handwriting input apparatus using accelerometers and
Pen-type computer
Pen-type computer input device
Pen-type computer input device with multiple spheres
Performing color adjustments on image data
Performing color conversion in extended color polymer displays
Perimeter sliding windows
Period-based bit conversion method and apparatus for digital...
Periodic sensor autocalibration and emulation by varying...
Peripheral device control apparatus
Peripheral device for image display apparatus
Peripheral devices for portable computer
Peripheral input device having a retractable cord