Patent
Heated drum for ink jet printing
Lesley P. Dudek,Vaughan L. Dewar,Dale R. Ims,Michael C. Ferringer +3 more
- 30 May 1995
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TL;DR: An ink jet printing system utilizes a heated rotary printing drum for mounting and carrying paper to be printed by one or more thermal ink jet printheads to achieve black or full color printing at high speed as mentioned in this paper.
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Abstract: An ink jet printing system utilizes a heated rotary printing drum for mounting and carrying paper to be printed by one or more thermal ink jet printheads to achieve black or full color printing at high speed. As printing and drying are achieved prior to any transfer of the sheet from the drum, smudging of images is prevented. Such a printing system is capable of producing dried prints that can be immediately stacked and handled without smudging using slow-drying black inks and fast-drying color inks at speeds exceeding 10 pages per minute for color and 20 pages per minute for monochrome black text or images. Hold down of the sheet onto the drum can be achieved using vacuum or electrostatic forces to precisely retain the sheet on the drum until printing and drying are completed. Partial tone printing on multiple passes of the heated drum is provided to eliminate mottle on large solid areas. Heating of the drum can be performed internally or externally.
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Citations
Patent
Ink jet printer.
Noriyuki Kawamata,Yuji Koga,Wataru Sugiyama,Kenji Samoto +3 more
- 26 May 1998
TL;DR: In this paper, an image recording apparatus including a transporting path, a recording section, a first and second rollers pinching the recording medium therebetween, a supporting member which rotatably supports the second roller, a holding member which is movable along a transporting direction of the recording Medium, a bias applying member which applies a bias on the holding member, in an opposite direction opposite to the transporting direction, and a load member which generates a load in the opposite direction, with respect to the record medium.
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Patent
Inkjet deposition apparatus and method
Christopher Newsome,Takeo Kawase +1 more
- 09 Sep 2002
TL;DR: In this article, an inkjet print head is mounted on the drum by vacuum means and a line of droplets of a solution of the selected material is deposited by the print head, which remains stationary as the drum is rotated.
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Patent
Method and apparatus for determining and controlling inkjet printing drying time
Jefferson P. Ward,Thomas W. Ruhe,Thomas E. McCue +2 more
- 22 Dec 1999
TL;DR: In this article, a reliable drying time is estimated based upon factors, such as temperature, humidity, media type, print quality and ink drop volume, and the estimated and actual drying time are reduced by altering the ink composition of the image to be printed.
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Patent
Apparatus and method using ultrasonic energy to fix ink to print media
Thomas W. Ruhe
- 18 Dec 2000
TL;DR: An inkjet printing method of fixing ink to a print medium is described in this article, in which the ink is fixed by depositing ink drops on the print medium with an inkjet printhead, the ink including a solvent and the print surface including a first surface, and the method additionally comprises vibrating the printed medium by applying ultrasonic energy to displace drops of the solvent to the first surface of the print to accelerate evaporation of the drops of solvent.
38
Patent
Media electrostatic hold down and conductive heating assembly
David E. Smith,Robert M. Yraceburu,Stephen McNally +2 more
- 29 Apr 2004
TL;DR: In this paper, a media hold down and heating assembly of one embodiment of the invention is disclosed that includes a dielectric (102) against which media is positioned, a conductive heating element (106), and an electrostatic hold down element (104).
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References
Patent
Ink jet recording apparatus having rotary drum with ink receptor
Hiroshi Sugiyama,Kousuke Yamamoto,Yoshitaka Okamura,Jun Ashiwa +3 more
- 14 Feb 1995
TL;DR: An ink jet recording apparatus which has at least one ink jet head to perform recording on a recording medium held on a rotary drum by discharging liquid ink from discharging nozzles is described in this article.
89
Patent
Method for uniformly drying ink on paper from an ink jet printer
Richard F. Beaufort,Paul R. Spencer +1 more
- 02 Nov 1988
TL;DR: In this article, a uniform heat flux dryer system and method of an ink jet printer, including a 180° contoured paper transport path for transferring paper from an input paper supply tray to an output paper collection tray, is described.
78
Patent
Method and apparatus for controlling drying and detaching of printed material
John W. Irwin
- 15 Dec 1981
TL;DR: In this paper, various print parameters or conditions are monitored relating to the drying of the ink on print media, such as print data density, ink characteristics and ambient humidity, and the monitored print parameters are used to control the drying.
71
Patent
Scanning dryer for ink jet printers
Donald L. Ort
- 05 Nov 1980
TL;DR: In this paper, a scanning carriage ink jet printer is provided wth ink drying apparatus on the carriage, parallel to the scanning direction of the carriage to provide for bidirectional printing.
68
Patent
Adaptive dryer control for ink jet processors
George J. Roller
- 27 Sep 1991
TL;DR: An adaptive dryer for a printing system obtains values representing mass of ink and/or area coverage of ink on each page to be printed prior to drying and based on the determined mass-area coverage varies one or both of feed rate of the pages through the dryer and temperature of dryer to more closely adapt the drying parameters of the dryers with the particular drying criterion each page requires for optimal quality, highest average throughput and minimal heating power requirements.
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