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Stanley Douglas M C O Tektroni, Roy Joy C O Tektronix Inc, Schoening Susan C C O Tektroni, Anderson Jeffrey J C O Tektron: Method of operating an ink jet to achieve high print quality and high print rate.. Tektronix, December 22, 1993: EP0575204-A2 (18 worldwide citation)

A drop-on-demand ink jet print head has an ink chamber coupled to a source of ink, and an ink drop orifice with an outlet. An acoustic driver produces a pressure wave in the ink and causes the ink to pass outwardly through the ink drop orifice and outlet. The driver is driven with bipolar drive puls ...


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Anderson Jeffrey J, Deur Ted E, Sheley Curtis F, Moore John S, Titterington Donald R: Modified ink jet printing head and method for producing ink jet printed images.. Tektronix, March 21, 1990: EP0359365-A1 (16 worldwide citation)

A method is provided for modifying an ink jet printing head (10) which comprises applying a layer of a treated coating material (50) to the jet printing head surface area (18) surrounding each said drop discharge nozzle (20). This treated coated surrounding surface area maintains a phase change ink ...


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Oswald James C, Anderson Jeffrey J, Deur Ted E: Method and apparatus for cleaning a printer head.. Tektronix, April 4, 1990: EP0361393-A2 (15 worldwide citation)

An ink jet print head face cleaner (10) provides a controlled air passageway (22) through an enclosure formed against the print face (12a). Air is directed through an inlet into a cavity in a body (14). The body has a face with an opening into the cavity (28). This face is sealingly placeable agains ...


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Anderson Jeffrey J, Moore John S, Deur Ted E, Roy Joy: Manufacture or ink jet print heads by diffusion bonding and brazing.. Tektronix, March 7, 1990: EP0357020-A2 (14 worldwide citation)

A first surface of a first metal component of an ink jet print head is bonded to a second surface of a second metal component of the ink jet print head, the first and second surfaces being of materials having the same or similar coefficients of thermal expansion. A layer of filler material is electr ...


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Roy Joy, Buehler James D, Schoening Susan C, Stanley Douglas M, Adams Ronald L, Anderson Jeffrey J: Method of operating an on-demand ink jet print head.. Tektronix, January 22, 1992: EP0467656-A2 (12 worldwide citation)

A drop-on-demand ink jet print head (9) has an ink pressure chamber (22) coupled to a source of ink (11) and an ink drop ejecting orifice (103) with an ink drop ejection orifice outlet (14). An acoustic driver (36), in response to a drive signal (100), produces a pressure wave in the ink and causes ...


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Owen Kevin A, Anderson Jeffrey J, Wolf Bryan D: Predicting supplies required for completion of unattended print jobs. Hewlett Packard Co, May 8, 2002: GB2368698-A (8 worldwide citation)

The amount of selected consumable supplies remaining is determined (205,213) and, based on the requirements of a submitted print job and historical data gathered over the lifetime of the printer, the amount of consumable supplies required for the print job is calculated and compared to the amount of ...


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Le Hue Phuoc, Anderson Jeffrey J, Wimmer Guenther W, Rhoads Monte J, Deur Ted E: Ink jet printing apparatus.. Tektronix, January 13, 1988: EP0252677-A2 (6 worldwide citation)

An ink jet head 10 has an ink chamber 14 which receives from an ink inlet passageway 38. Pressure pulses applied to the ink chamber cause the ejection of ink drops from an ink drop forming orifice 23 and toward printing medium. A purging outlet 41 communicates with the ink chamber through a purging ...


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Le Hue Phuoc, Adams Ronald L, Anderson Jeffrey J, Roy Joy, Oswald James C: Air assisted ink jet head with single compartment ink chamber.. Tektronix, January 13, 1988: EP0252676-A2 (6 worldwide citation)

An air-assisted drop-on-demand ink jet head l0 has a single compartment ink chamber l4 and is designed for operation over a wide range of ink drop repetition rates, including extremely high repetition rates, such as twenty kilohertz. The components included in the ink jet head have natural resonance ...


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Moore John S, Anderson Jeffrey J, Eriksen Joern B: Method and apparatus for interlaced multicolor printing.. Tektronix, November 27, 1991: EP0458650-A2 (2 worldwide citation)

Printing is done by an array (24,28) of color-printing elements (26,30) or nozzles in order to produce interlaced color printing while printing each line only once with each color. Print head array configurations for printing two, three and four colors include linear and parallel arrays (24,28). In ...