# US 2025/0143541 A1 · Endoscope system and operation method therefor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0143541 A1 - Document ID: US20250143541A1 - Status: Published application - Kind: A1 - Application number: 19/003,419 - Filed: 2024-12-27 - Published: 2025-05-08 - Earliest claimed: 2021-07-27 - Assignees: FUJIFILM Corporation - Applicants: FUJIFILM Corporation - Inventors: Koji SHIMOMURA - Web page: https://patentgrep.com/patent/US20250143541A1 ## CPC - A61B 1/00009: {of image signals during a use of endoscope} - H04N 25/53: Control of the integration time - A61B 1/045: Control thereof - A61B 1/0653: {with wavelength conversion} - A61B 1/0655: {Control therefor} - G02B 23/2461: {Illumination} - G02B 23/2484: {Arrangements in relation to a camera or imaging device (processing or control of video signals generated by an endoscope H04N23/60, H04N23/70)} - G02B 23/26: using light guides {(for illumination G02B23/2469)} - H04N 23/125: {Colour sequential image capture, e.g. using a colour wheel} - H04N 23/555: {for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes} - H04N 23/56: provided with illuminating means - H04N 23/74: by influencing the scene brightness using illuminating means - H04N 25/531: by controlling rolling shutters in CMOS SSIS - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract An endoscope system irradiates a subject with each of a plurality of pieces of illumination light in a preset order, images the subject according to a preset first imaging frame rate during a first period in which first illumination light included in the plurality of the illumination light is applied, acquires a first image captured during the first period, generates a first display image according to a first display frame rate higher than the first imaging frame rate on the basis of the acquired first image, and displays the first display image on a display. ## Claims ### Claim 1 (canceled) ### Claim 2 An endoscope system comprising: an endoscope that includes an image pick-up sensor; one or more processor, wherein the one or more processor is configured to perform followings in a first observation mode: controlling a plurality of semiconductor light sources to intermittently irradiate each of a first illumination light and a second illumination light having a spectrum different from that of the first illumination light; acquiring sequentially a plurality of first image captured by imaging a subject according to a first imaging frame rate during a first period during which the first illumination light is irradiated; acquiring sequentially a plurality of second image captured by imaging the subject according to a second imaging frame rate during a second period during which the second illumination light is irradiated; display sequentially the plurality of first images in a first area region of a display; and display sequentially the plurality of second images in a second area region of the display different from the first region, wherein the first imaging frame rate is higher than the second imaging frame rate. ### Claim 3 (depends on 2) The endoscope system according to claim 2, the one or more processor is configured to perform followings: displaying the first image and an image generated from the first image in the first area region at a first display frame rate that is higher than the first imaging frame rate. ### Claim 4 (depends on 2) The endoscope system according to claim 2, wherein the first area region is larger than the second area region. ### Claim 5 (depends on 2) The endoscope system according to claim 2, the one or more processor is configured to perform followings: displaying the first image and an image generated from the first image in the first area region at a first display frame rate that is higher than the first imaging frame rate, wherein the first area region is larger than the second area region. ### Claim 6 (depends on 2) The endoscope system according to claim 2, wherein a ratio of the violet component to the green component in the second illumination light is higher than a ratio of the violet component to the green component in the first illumination light. ### Claim 7 (depends on 6) The endoscope system according to claim 6, wherein the second image is an image in which a blood vessel structure is more emphasized than in the first image. ### Claim 8 (depends on 6) The endoscope system according to claim 6, wherein the second image is the pseudo-color processed image. ### Claim 9 (depends on 2) The endoscope system according to claim 2, the one or more processor is configured to perform followings: controlling the plurality of semiconductor light sources so as to intermittently irradiate the first illumination light and the second illumination light during a period excluding a reading period of an image pick-up period of the image sensor. ### Claim 10 (depends on 2) The endoscope system according to claim 2, wherein the plurality of semiconductor light sources include at least a purple semiconductor element that generates purple light in the wavelength range of 380 to 420 nm, a blue semiconductor element that generates blue light B in the wavelength range of 420 to 500 nm, a green semiconductor element that generates green light G in the wavelength range of 480 to 600 nm, and a red semiconductor element that generates red light R in the wavelength range of 600 to 650 nm. ### Claim 11 (depends on 2) The endoscope system according to claim 2, the one or more processor is configured to perform followings in a first observation mode that can be switched to the first observation mode: controlling the plurality of semiconductor light sources to continuously irradiate the subject with a third illumination light; acquiring sequentially a plurality of third images of the subject according to a third imaging frame rate during a third period during which the third illumination light is irradiated; displaying sequentially the plurality of third images in the first area region of the display at a third display frame rate that is equal to or lower than the third imaging frame rate. ### Claim 12 (depends on 11) The endoscope system according to claim 11, wherein the third imaging frame rate is higher than the first imaging frame rate and the second imaging frame rate. ### Claim 13 (depends on 11) The endoscope system according to claim 11, wherein the third illumination light has the same spectrum as the first illumination light or the second illumination light.