Patents Assigned to Sienna Imaging, Inc.
  • Patent number: 6545636
    Abstract: A printer feeds cut-sheet print media past an exposure area of a linear exposure print engine exposing the edges of the media. A sheet of print media is fed into a pair of open leading edge pinch rollers as printing is started. These rollers close and push the media past the exposure area where the leading edge of the sheet is exposed to the image being printed. The leading edge then passes through a pair of open trailing edge pinch rollers, which close to start pulling the media through the exposure area. After the trailing edge pinch rollers close, the leading edge pinch rollers open, transferring the movement from the leading edge pinch rollers to the trailing edge pinch rollers, allowing the trailing edge pinch rollers to pull the trailing edge of the sheet through the exposure area where it is exposed to the image being printed.
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: April 8, 2003
    Assignee: Sienna Imaging, Inc.
    Inventors: Kerry L. Shaklee, Gary L. Brackett
  • Patent number: 6483608
    Abstract: A color printer that conducts an image from a surface of a CRT through a graded index lens to expose media. The CRT is mounted at an acute angle with respect to the media, to compensate for the graded index lens focusing different colors at different distances. The graded index lens is placed at a center of the acute angle. The CRT may have different phosphor stripes on the face of the CRT for each color being exposed or the CRT may have a white phosphor throughout the entire exposure area of the CRT and utilize color filters to create each color being exposed.
    Type: Grant
    Filed: September 16, 1999
    Date of Patent: November 19, 2002
    Assignee: Sienna Imaging, Inc.
    Inventor: Kerry L. Shaklee
  • Patent number: 6166825
    Abstract: In a photographic process printer system that receives printable pixel data into a print engine component from a computer component over a high-speed fiber channel communication pathway. Feedback control messages from the print engine component are sent over a low-speed serial channel communication pathway to the computer component to control the transmission of printable pixel data. The computer component continues to transmit packets of printable pixel data over the high-speed fiber channel communication pathway as long as the feedback control messages indicate that the print engine component is ready to receive more packets of printable pixel data.
    Type: Grant
    Filed: December 14, 1998
    Date of Patent: December 26, 2000
    Assignee: Sienna Imaging, Inc.
    Inventors: Kerry L. Shaklee, Richard W. Denny, Kurt A. Leniger, William M. Glenn, Jr., Daniel C. O'Brien
  • Patent number: 6034709
    Abstract: Disclosed is a photographic printer with bi-directional sweeping of a monochrome CRT to expose a photosensitive medium. Image data from a host system is received by the printer and stored in a data drive system. The data drive system converts the data into a series of rows of dot row data to produce the appropriate image desired. Linear deflection amplifiers sweep the CRT's electron beam across the face of the CRT to expose the medium utilizing the dot row data. The present invention sweeps and writes data bi-directionally, eliminating the retrace period associated with sweeping and writing in one direction, and without any hold periods once printing starts. The data in every other dot row is processed in reverse order so that the dot row data utilized in the reverse writing sweep will be exposed onto the medium in proper relationship to the rows written above and below it.
    Type: Grant
    Filed: July 17, 1998
    Date of Patent: March 7, 2000
    Assignee: Sienna Imaging Inc.
    Inventors: Kerry L. Shaklee, Daniel C. O'Brien, Kurt A. Leniger, Gary L. Brackett, Richard W. Denny
  • Patent number: 6031557
    Abstract: Disclosed is a photographic printer with bi-directional sweeping of a color CRT to expose a photosensitive medium. Image data from a host system is received by the printer and stored in a data drive system. The data drive system converts the data into a series of rows of dot row data to produce the appropriate image desired. Linear deflection amplifiers sweep the CRT's electron beam across the color phosphor areas on the face of the CRT to expose the medium utilizing the dot row data. The present invention sweeps and writes data bi-directionally, eliminating the retrace period associated with sweeping and writing in one direction, and without any hold periods once printing starts. The data in every other dot row is processed in reverse order so that the dot row data utilized in the reverse writing sweep will be exposed onto the medium in proper relationship to the rows written before and after it.
    Type: Grant
    Filed: September 14, 1998
    Date of Patent: February 29, 2000
    Assignee: Sienna Imaging, Inc.
    Inventors: Kerry L. Shaklee, Daniel C. O'Brien, Kurt A. Leniger, Gary L. Brackett, Richard W. Denny
  • Patent number: 6023557
    Abstract: A photographic printer that uses a plurality of small CRTs, or multiple image segments displayed on a single CRT, to print wide format images. Within the printer, the multiple CRTs are positioned adjacent one another and display through lenses so that image segments displayed by adjacent CRTs join one another. The image segments of the single CRT also display through lenses, or mirrors and lenses, that join the segments. The printer may decompose each line of the image into horizontal image segments, or the printer may receive each image segment from a host computer system, and the printer displays the image segments on the CRTs such that they are exposed joined with one another on the photographic media. The printer also contains a closed loop calibration system to adjust the length of each image segment.
    Type: Grant
    Filed: August 17, 1998
    Date of Patent: February 8, 2000
    Assignee: Sienna Imaging, Inc.
    Inventor: Kerry L. Shaklee
  • Patent number: 5953495
    Abstract: A printer for transferring image data from a computer to a print media. The printer displays the image data in line segments on the CRT, which then transfers the image line segments of the image onto the media, as the media moves across the cathode ray tube. The segments are used to illuminate phosphor rows on an inside surface of the cathode ray tube, and filters, chemically bonded to an outside surface of the cathode ray tube, adjust the spectral output of the phosphor rows to match the spectral requirements of the print media. The filters may be short pass, long pass, or band pass to achieve the required adjustments to the light so that the print media is properly exposed. Protrusions are formed on the edges of the filters to act as spacers between the filters and the print media.
    Type: Grant
    Filed: June 17, 1997
    Date of Patent: September 14, 1999
    Assignee: Sienna Imaging, Inc.
    Inventors: Gary L. Brackett, Kerry L. Shaklee
  • Patent number: 5841952
    Abstract: A photographic printer that uses a plurality of small CRTs, or multiple image segments displayed on a single CRT, to print wide format images. Within the printer, the multiple CRTs are positioned adjacent one another and display through lenses so that image segments displayed by adjacent CRTs join one another. The image segments of the single CRT also display through lenses, or mirrors and lenses, that join the segments. The printer may decompose each line of the image into horizontal image segments, or the printer may receive each image segment from a host computer system, and the printer displays the image segments on the CRTs such that they are exposed joined with one another on the photographic media. The printer also contains a closed loop calibration system to adjust the length of each image segment.
    Type: Grant
    Filed: April 29, 1996
    Date of Patent: November 24, 1998
    Assignee: Sienna Imaging, Inc.
    Inventor: Kerry L. Shaklee