1
Steve O Rasmussen, Paul D Gast: Large inkjet print swath media support system. Hewlett Packard Company, Flory L Martin, November 30, 1999: US05992994 (189 worldwide citation)

To maintain a uniform spacing between the print media, such as paper, and an inkjet printhead having a large print swath, for instance about 25 millimeters (one inch) wide, a new media support system is provided for inkjet printing mechanisms, such as printers or plotters. The support system employs ...


2
Kenneth R Williams: Matrix pen arrangement for inkjet printing. Hewlett Packard Company, Flory L Martin, February 11, 1997: US05602574 (91 worldwide citation)

A matrix arrangement for inkjet pens used in inkjet printing mechanisms provides increased throughput and a narrower product than the traditional pen arrangements laying side-by-side along the scanning axis. The matrix inkjet cartridge has at least two chambers perpendicular to the scanning axis. Fo ...


3
David A Desormeaux: Solid and semi-flexible body inkjet printing system. Hewlett Packard Company, Flory L Martin, November 6, 2001: US06312124 (76 worldwide citation)

A handheld inkjet printing mechanism is provided for printing a selected image on a print surface of a solid hard body or a semi-flexible body, such as on human skin for face-painting at carnivals, for temporary tattoos, body decorations and the like, on walls and furniture for printing designs, on ...


4
Steven O Miller, William J Allen, David M Wetchler, Mark S Hickman: Automatic optimization of hardcopy output. Hewlett Packard Company, Flory L Martin, July 10, 2001: US06257693 (71 worldwide citation)

A method of automatically optimizing the controllable parameters related to producing printed material on a hardcopy output device is provided, along with a hardcopy output device configured for implementing this method. Users require different types of printed objects to have different characterist ...


5
Wen Li Su, Trudy L Benjamin, Steven B Elgee, Thomas F Uhling, Bruce A Axten, Kerry J Lundsten, Xiuting C Man, Tamara L Hahn, Michael T Dangelo, Bryan D Woll, Timothy L Weber, James W Pearson, Iue Shuenn Chen: Acoustic and ultrasonic monitoring of inkjet droplets. Hewlett Packard Company, Flory L Martin, July 27, 1999: US05929875 (62 worldwide citation)

A monitoring system monitors a pressure wave developed in the surrounding ambient environment during inkjet droplet formation. The monitoring system uses either acoustic, ultrasonic, or other pressure wave monitoring mechanisms, such as a laser vibrometer, an ultrasonic transducer, or an acceleromet ...


6
William S Osborne, Bret Taylor, Patrick J Therien: Orthogonal rotary wiping system for inkjet printheads. Hewlett Packard Company, Flory L Martin, March 25, 1997: US05614930 (60 worldwide citation)

A rotary self-cleaning servicing system services inkjet printheads in an inkjet printing mechanism. A rotary service station has a wiper supporting tumbler that rotates about an axis parallel to the printhead scanning direction to wipe the printhead orthogonally along the length of a linear nozzle a ...


7
Mark D Lund, Jefferson P Ward: On-page inkjet printhead spitting system. Hewlett Packard Company, Flory L Martin, August 19, 1997: US05659342 (56 worldwide citation)

An on-page inkjet printhead spitting system purges the printhead nozzles across the printed page, and occasionally in the conventional service station spittoon. In addition to the image-forming droplets, extra purging droplets are fired to maintain pen health. To determine when to purge each nozzle, ...


8
William S Osborne, Bret K Taylor: Rotary Multi-ridge capping system for inkjet printheads. Hewlett Packard Company, Flory L Martin, January 27, 1998: US05712668 (52 worldwide citation)

A rotary capping system services inkjet printheads in an inkjet printing mechanism. A rotary service station has a tumbler with a dual pivoting link that supports a cap platform. The cap platform is gimbal mounted to the link and spring-biased away from the tumbler. The platform has an extending arm ...


9
Kedrich J Jackson, Thomas J Purwins: Wet wiping system for inkjet printheads. Hewlett Packard Company, Flory L Martin, January 6, 1998: US05706038 (51 worldwide citation)

A wet wiping system is provided that is particularly useful for wiping an inkjet printhead that uses pigment based ink. A wet wiping method comprises an admitting step, where ink is admitted though printhead nozzles, either by firing the inkjet cartridge with a low thermal turn on energy, or through ...


10
Chee Chuan Chew, Ng Keng Leong: Color capable single-cartridge inkjet service station. Hewlett Packard Company, Flory L Martin, May 26, 1998: US05757395 (49 worldwide citation)

A service station for a single-cartridge inkjet printing mechanism interchangeably receives different types of inkjet cartridges, with each type of cartridge having different servicing needs. To hermetically seal each cartridge printhead during periods of inactivity, two caps are gimbal-mounted at o ...