Pulse train modification circuit

Pulse wave detecting apparatus and fourier transform process...

Pulse width detection circuit for electro-optical label...

Pulse width measurement circuitry

Pulse width modulator for a printing apparatus

Pulse-code modulation signal processing circuit

Pulsed pen for use with a digitizer tablet

Pump bus to avoid indeterminacy in reading variable bit field

Punch and print data card recorder

Punch mechanism

Punch mechanism for random card filing and automatic...

Punched card mis-aligner and planarly orthogonal bottom...

Punched tape reader with stepping motor and sprocket drive

Punching, reading and printing machine for document cards

Punchout contactless transaction card

Purchase of services

Purchaser value optimization system

Purchasing alert methods and apparatus

Purchasing on the internet using verified order information...

Purchasing system and method