# US 2016/0366305 A1 · Colorimetric device, image forming device, image forming system, and image forming management device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2016/0366305 A1 - Document ID: US20160366305A1 - Status: Published application - Kind: A1 - Application number: 15/177,515 - Filed: 2016-06-09 - Published: 2016-12-15 - Earliest claimed: 2015-06-09 - Assignees: Konica Minolta, Inc. - Applicants: Konica Minolta, Inc. - Inventors: KENICHI HAYASHI; HIROYUKI FUTAMI; KATSUNORI TAKAHASHI; TAKASHI NARA; TATSUHIRO NOUTOMI - Web page: https://patentgrep.com/patent/US20160366305A1 ## CPC - H04N 1/6008: {with primary colour signals, e.g. RGB or CMY(K)} - G01J 3/463: {Colour matching} - G01J 3/50: using electric radiation detectors - G01J 3/52: using colour charts - H04N 1/00005: {relating to image data} - H04N 1/00015: {Reproducing apparatus} - H04N 1/00039: {Analysis, i.e. separating and studying components of a greater whole} - H04N 1/00087: {Setting or calibrating (picture signal circuits H04N1/40)} - H04N 1/00323: {with a measuring, monitoring or signaling apparatus, e.g. for transmitting measured information to a central location} - H04N 1/6044: {involving a sensor integrated in the machine or otherwise specifically adapted to read the test pattern} - H04N 2201/0082: Image hardcopy reproducer (H04N2201/0091 - H04N2201/0094 take precedence) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - G01J: MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY (light sources F21, H01J, H01K, H05B; investigating properties of materials by optical means G01N) ## Abstract A colorimetric device includes: a feeding unit configured to feed a transfer medium; a colorimeter configured to perform colorimetry of an image that is formed on the transfer medium and that has a color boundary in a feeding direction; and a colorimetry control unit configured to control the feeding unit and the colorimeter, wherein the colorimetry control unit acquires color information related to the color boundary of the image and determines the color boundary of the image based on the color information and a result of the colorimetry performed by the colorimeter. ## Claims ### Claim 1 A colorimetric device comprising: a feeding unit configured to feed a transfer medium; a colorimeter configured to perform colorimetry of an image that is formed on the transfer medium and that has a color boundary in a feeding direction; and a colorimetry control unit configured to control the feeding unit and the colorimeter, wherein the colorimetry control unit acquires color information related to the color boundary of the image and determines the color boundary of the image based on the color information and a result of the colorimetry performed by the colorimeter. ### Claim 2 (depends on 1) The colorimetric device according to claim 1, wherein the color information acquired by the colorimetry control unit is at least one of a color of images on front and rear sides of the color boundary, a specific wavelength to be detected in the front and rear images, the number of wavelengths to be detected, and a threshold for a boundary determination. ### Claim 3 (depends on 2) The colorimetric device according to claim 2, wherein the colorimetry control unit stores spectral reflection data of each color, a specific wavelength being calculated according to the color of the front and rear images or boundary determination condition data corresponding to the color of the front and rear images being stored. ### Claim 4 (depends on 2) The colorimetric device according to claim 2, wherein the colorimetry control unit can adjust a feeding speed, in which the feeding unit makes the transfer medium pass through the colorimeter, according to the number of wavelengths to be detected. ### Claim 5 (depends on 1) The colorimetric device according to claim 1, wherein the colorimetry control unit transmits at least a result of colorimetry measured after the determination of the color boundary to an image forming control unit configured to control image forming on the transfer medium. ### Claim 6 (depends on 1) The colorimetric device according to claim 1, wherein the colorimetry control unit operates the colorimeter in a boundary determination mode before the determination of the color boundary and in a colorimetric mode after the determination of the color boundary. ### Claim 7 An image forming device comprising: a feeding unit configured to feed a transfer medium; an image forming unit configured to form an image having a color boundary in a feeding direction of the transfer medium; and an image forming control unit configured to control the feeding unit and the image forming unit, wherein the image forming control unit acquires a result of colorimetry of the image from a colorimetric device and determines the color boundary of the image based on color information related to the color boundary of the image and the result of the colorimetry. ### Claim 8 (depends on 7) The image forming device according to claim 7, wherein the image forming control unit adjusts image forming based on a result of colorimetry performed after the determination of the color boundary. ### Claim 9 An image forming management device that is connected to an image forming system including an image forming device and a colorimetric device and that manages the image forming system, comprising: a management control unit configured to manage the image forming device and the colorimetric device, wherein the management control unit acquires color information related to a color boundary of an image that is formed for colorimetry by the image forming device and that has the color boundary, acquires a result of colorimetry performed by the colorimetric device, and determines the color boundary of the image. ### Claim 10 (depends on 9) The image forming management device according to claim 9, wherein the management control unit transmits, to the image forming device, at least a result of colorimetry after the determination of the color boundary.