1
Christopher A Schantz, Eric G Hanson, Si Ty Lam, Paul H McClelland, William J Lloyd, Laurie S Mittelstadt, Alfred I Tsong Pan: Laser ablated nozzle member for inkjet printhead. Hewlett Packard Company, April 19, 1994: US05305015 (84 worldwide citation)

In one of the preferred embodiments, an inkjet printhead includes a nozzle member formed of a polymer material that has been laser-ablated to form tapered inkjet orifices. The nozzle member is then mounted to a substrate containing heating elements, each heating element being associated with a singl ...


2
Si Ty Lam, William J Lloyd: Integral ink jet print head. Hewlett Packard Company, May 14, 1991: US05016024 (61 worldwide citation)

Disclosed is an integral ink jet print head having an improved design. An ink reservoir wall at the base of print head guides a flow of ink from a remote reservoir. Ink is drawn by capillary action past flow restrictors and an ink channel into an ink heating zone. The ink heating zone is a chamber r ...


3
William J Lloyd, John D Meyer, King Wah W Yeung: Method and apparatus for calibrated digital printing using a four by four transformation matrix. April 16, 1996: US05508826 (60 worldwide citation)

A Self Calibrating Color Printer. The present invention enables color printers to accurately reproduce color images despite variations in ink, paper or the printing system. The calibrated printer includes a movable optical sensor assembly which first calibrates itself by measuring an included known ...


4
Christopher A Schantz, Eric G Hanson, Si Ty Lam, Paul H McClelland, William J Lloyd, Laurie S Mittelstadt, Alfred I Pan: Nozzle member including ink flow channels. Hewlett Packard Company, March 1, 1994: US05291226 (53 worldwide citation)

In one of the preferred embodiments, an inkjet printhead includes a nozzle member formed of a polymer material that has been laser-ablated to form inkjet orifices, ink channels, and vaporization chambers in the unitary nozzle member. The nozzle member is then mounted to a substrate containing heatin ...


5
Christopher A Schantz, Eric G Hanson, Si Ty, Paul H McClelland, William J Lloyd, Winthrop D Childers: Integrated nozzle member and tab circuit for inkjet printhead. Hewlett Packard Company, Dennis G Stenstrom, August 15, 1995: US05442384 (36 worldwide citation)

In one of the preferred embodiments, an inkjet printhead includes a nozzle member formed of a polymer material that has been laser-ablated to form inkjet orifices. The nozzle member also has formed on it conductive traces for supplying electrical signals to heating elements on a substrate mounted to ...


6
Christopher A Schantz, Eric G Hanson, Si Ty Lam, Paul H McClelland, William J Lloyd, Laurie S Mittelstadt, Alfred I Pan: Method of making a nozzle member including ink flow channels. Hewlett Packard Company, April 25, 1995: US05408738 (30 worldwide citation)

In one of the preferred embodiments, an inkjet printhead includes a nozzle member formed of a polymer material that has been laser-ablated to form inkjet orifices, ink channels, and vaporization chambers in the unitary nozzle member. The nozzle member is then mounted to a substrate containing heatin ...


7
William J Lloyd: Thermal-ink-jet print system with drop detector for drive pulse optimization. Hewlett Packard Company, William H F Howard, October 3, 1989: US04872028 (25 worldwide citation)

A thermal ink jet printing system includes a drop detector which is used in a feedback loop to optimize operational drive pulse parameters. By optimizing the drive pulse, drop velocity can be set within an optimal range above a inflection point in the transfer function of a print head drop generator ...


8
Kent Vincent, William J Lloyd: Text and color image printing system. Hewlett Packard Company, January 14, 1992: US05081596 (23 worldwide citation)

A desktop printer for plain paper sheets includes the integral combination of a color printer and a text printer. The color printer is of the inkjet type to print color images incrementally and the text printer is of the laser-electrophotographic type to print monochrome text continuously. The print ...


9
William J Lloyd: Inversely processed resistance heater. Hewlett Packard Company, Jeffery B Fromm, October 14, 1986: US04616408 (21 worldwide citation)

A unique inverse processed film resistance heater structure is disclosed. A conventional passivation wear layer is deposited directly on a first substrate, followed by the deposition and patterning of resistive and conductive layers, and covered by an isolation layer and a thick support layer. The t ...


10
Louis J Beato, William J Lloyd, Dale F McIntyre: Automatic determining image and non-image sides of scanned hardcopy media. Eastman Kodak Company, Thomas J Strouse, Raymond L Owens, April 5, 2011: US07920296 (5 worldwide citation)

A system and method for determining the image and ancillary image sides of scanned hardcopy media. Hardcopy prints typically provide ancillary data to supply additional information for an area of interest and can enhance the analysis of key data in the print. Postcards, for example, provide a unique ...