Patents by Inventor Chieng-Ming Tsaur

Chieng-Ming Tsaur has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6678075
    Abstract: A slide securing device, using in a flatbed scanner, includes a frame and a securing cell. The securing cell comprises an aperture, a first securing clip, a second securing clip, a first securing groove, a second securing groove, a picking portion, a first support member and a second support member. The slide securing device utilizes proper clips for holding slides. Thus, the scanner can directly scan the secured slides by predetermined parameters and reset mode, in order to save scanning time. Further, the securing grooves maintains slides at a fixed height to improve the scanning quality.
    Type: Grant
    Filed: June 7, 2000
    Date of Patent: January 13, 2004
    Assignee: Mustek Systems Inc.
    Inventors: Jenn-Tsair Tsai, Chieng-Ming Tsaur
  • Patent number: 6637897
    Abstract: A transparent document securing device, using in a flatbed scanner, includes a securing frame. The securing frame comprises at least a securing cell, wherein the securing cell further includes a concave, a cover and a clip mechanism. The concave includes at least a first opening and an open slot. The cover includes at least a second opening. The securing device employs the cover to mount a transparent document in a concave. A user is therefore be able to place the securing device along with the transparent document in the document glass of a scanning system. By a predetermined mode, the scanning system is able to directly scan the transparent document; no need to preview the scanned image to adjust the scanning area. Thus, the time for scanning is saved. Further the fixed depth of the concave is utilized to proved a precise focus of the scanning system. The quality of the scanned image is therefore improved.
    Type: Grant
    Filed: September 4, 2002
    Date of Patent: October 28, 2003
    Assignee: Mustek Systems Inc.
    Inventors: Jenn-Tsair Tsai, Chieng-Ming Tsaur, Bill Chen
  • Patent number: 6597441
    Abstract: An apparatus and a method adapted to be used in manufacturing an image scanning apparatus for calibrating a reflective lens on a carriage are disclosed. A calibrating device has thereon a first set of three projective points from three point light beams and a first set of three calibrating points corresponding to three point light sources. The calibrating device further includes thereon a second set of three projective points and a second set of three calibrating points for matching each of the projective points on the calibrating device with a corresponding one of the calibrating points by adjusting an angle and a position of the reflective lens on the carriage so as to achieve a calibrating function.
    Type: Grant
    Filed: February 24, 1999
    Date of Patent: July 22, 2003
    Assignee: Mustek Systems, Inc.
    Inventors: Jenn-Tsair Tsai, Chieng-Ming Tsaur
  • Publication number: 20030038926
    Abstract: A transparent document securing device, using in a flatbed scanner, includes a securing frame. The securing frame comprises at least a securing cell, wherein the securing cell further includes a concave, a cover and a clip mechanism. The concave includes at least a first opening and an open slot. The cover includes at least a second opening. The securing device employs the cover to mount a transparent document in a concave. A user is therefore be able to place the securing device along with the transparent document in the document glass of a scanning system. By a predetermined mode, the scanning system is able to directly scan the transparent document; no need to preview the scanned image to adjust the scanning area. Thus, the time for scanning is saved. Further the fixed depth of the concave is utilized to proved a precise focus of the scanning system. The quality of the scanned image is therefore improved.
    Type: Application
    Filed: September 4, 2002
    Publication date: February 27, 2003
    Applicant: Mustek Systems Inc.
    Inventors: Jenn-Tsair Tsai, Chieng-Ming Tsaur, Bill Chen
  • Patent number: RE41038
    Abstract: A transparent document securing device, using in a flatbed scanner, includes a securing frame. The securing frame comprises at least a securing cell, wherein the securing cell further includes a concave, a cover and a clip mechanism. The concave includes a least a first opening and an open slot. The cover includes at least a second opening. The securing device employs the cover to mount a transparent document in a concave. A user is therefore be able to place the securing device along with the transparent document in the document glass of a scanning system. By a predetermined mode, the scanning system is able to directly scan the transparent document; no need to preview the scanned image to adjust the scanning area. Thus, the time for scanning is saved. Further the fixed depth of the concave is utilized to proved a precise focus of the scanning system. The quality of the scanned image is therefore improved.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: December 15, 2009
    Inventors: Jenn-Tsair Tsai, Chieng-Ming Tsaur, Bill Chen
  • Patent number: RE42823
    Abstract: A slide securing device, using in a flatbed scanner, includes a frame and a securing cell. The securing cell comprises an aperture, a first securing clip, a second securing clip, a first securing groove, a second securing groove, a picking portion, a first support member and a second support member. The slide securing device utilizes proper clips for holding slides. Thus, the scanner can directly scan the secured slides by predetermined parameters and reset mode, in order to save scanning time. Further, the securing grooves maintains slides at a fixed height to improve the scanning quality.
    Type: Grant
    Filed: January 13, 2006
    Date of Patent: October 11, 2011
    Assignee: Transpacific Optics LLC
    Inventors: Jenn-Tsair Tsai, Chieng-Ming Tsaur