# US 10,768,575 B2 · Imaging devices and imaging methods by millimeter wave 3D holographic scanning > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,768,575 B2 - Document ID: US10768575B2 - Status: Granted - Kind: B2 - Application number: 15/562,627 - Filed: 2016-08-19 - Published: 2018-06-21 - Granted: 2020-09-08 - Earliest claimed: 2015-09-09 - Assignees: Nuctech Company Limited - Applicants: Nuctech Company Limited - Inventors: Zhiqiang Chen; Yuanjing Li; Ziran Zhao; Wanlong Wu; Zongjun Shen; Li Zhang; Yinong Liu; Yingkang Jin; Wentao Yu - Web page: https://patentgrep.com/patent/US10768575B2 ## CPC - G03H 1/268: {Holographic stereogram} - G01N 22/00: Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more (G01N3/00 - G01N17/00, G01N24/00 take precedence) - G01S 13/89: for mapping or imaging - G01V 8/005: {operating with millimetre waves, e.g. measuring the black losey radiation} - G03H 2001/0428: {Image holography, i.e. an image of the object or holobject is recorded (G03H1/0406 takes precedence; holographic microscope G03H2001/005)} - G03H: HOLOGRAPHIC PROCESSES OR APPARATUS (holograms, e.g. point holograms, used as ordinary optical elements G02B5/32; producing stereoscopic or other three-dimensional effects G02B30/00; diffraction-grating systems G02B27/44; systems using moiré fringes G02B27/60; optical logic elements G02F3/00; stereo-photography G03B35/00; photosensitive materials or processes for photographic purposes G03C; {stereo-photographic or similar processes G03C9/00}; apparatus for processing exposed photographic materials G03D; analogue computers performing mathematical operations with the aid of optical elements G06E3/00; authentication by radiation, of concealed information carried by holograms or diffraction gratings G06K19/16; holographic storage G11B7/0065, G11C13/04; {stereoscopic or other three dimensional effects in television systems H04N13/00}) - G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q) - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - G01V: GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS (means for indicating the location of accidentally buried, e.g. snow-buried, persons A63B29/02) ## Abstract An imaging device and an imaging method by millimeter wave 3D holographic scanning are disclosed. In an embodiment, the millimeter wave 3D holographic scanning imaging device may include: a conveying apparatus configured to convey an object located thereon in a first direction; and at least one millimeter wave transceiving module arranged beside the conveying apparatus, each configured to be enabled to scan the object when the conveying apparatus conveys the object through the respective millimeter wave transceiving module, wherein each millimeter wave transceiving module is arranged to have its longitudinal direction extend in a direction intersecting the first direction, and includes a millimeter wave transceiving antenna array for transceiving millimeter wave signals. ## Claims ### Claim 1 An imaging device by millimeter wave three-dimension 3D holographic scanning, comprising: a conveying apparatus configured to convey an object located thereon in a first direction; and at least one millimeter wave transceiving module arranged beside the conveying apparatus, each configured to be enabled to scan the object when the conveying apparatus conveys the object through the respective millimeter wave transceiving module, wherein each millimeter wave transceiving module is arranged to have its longitudinal direction extend in a direction intersecting the first direction, and comprises a millimeter wave transceiving antenna array for transceiving millimeter wave signals, wherein the millimeter wave transceiving antenna array comprises a column of millimeter wave transmitting antennas and a column of millimeter wave receiving antennas, the two columns being arranged in parallel. ### Claim 2 (depends on 1) The imaging device by millimeter wave 3D holographic scanning according to claim 1, wherein the first direction is a substantially horizontal direction, and the millimeter wave transceiving module is arranged to have its longitudinal direction extend in a substantially vertical direction. ### Claim 3 (depends on 1) The imaging device by millimeter wave 3D holographic scanning according to claim 1, wherein the millimeter wave transceiving module is arranged to be fixed when the object is being scanned. ### Claim 4 (depends on 1) The imaging device by millimeter wave 3D holographic scanning according to claim 1, wherein the at least one millimeter wave transceiving module comprises a first millimeter wave transceiving module and a second millimeter wave transceiving module respectively arranged on opposite sides of the conveying apparatus. ### Claim 5 (depends on 4) The imaging device by millimeter wave 3D holographic scanning according to claim 4, wherein the first millimeter wave transceiving module and the second millimeter wave transceiving module are arranged opposite to each other. ### Claim 6 (depends on 1) The imaging device by millimeter wave 3D holographic scanning according to claim 1, further comprising: a position sensor configured to sense a position of the object on the conveying apparatus. ### Claim 7 (depends on 6) The imaging device by millimeter wave 3D holographic scanning according to claim 6, further comprising: an indicating apparatus configured to issue an indication when it is determined that a distance of the object toward a millimeter wave transceiving module is less than a predetermined value, and issue an indication when it is determined that the distance of the object apart from the millimeter wave transceiving module is more than a predetermined value, based on a sensing result of the position sensor. ### Claim 8 (depends on 1) The imaging device by millimeter wave 3D holographic scanning according to claim 1, wherein the scanning performed by the millimeter wave transceiving module is planar scanning. ### Claim 9 (depends on 1) The imaging device by millimeter wave 3D holographic scanning according to claim 1, further comprising: a data processing apparatus configured to receive scanned data from the millimeter wave transceiving module and generate a millimeter wave holographic image; and a display apparatus configured to display the millimeter wave holographic image generated by the data processing apparatus. ### Claim 10 (depends on 9) The imaging device by millimeter wave 3D holographic scanning according to claim 9, wherein the millimeter wave transceiving module is configured to transmit the obtained scanned data to the data processing apparatus in real time, or transmit the obtained scanned data in segments to the data processing apparatus after being buffered, or transmit the obtained scanned data to the data processing apparatus in one time after being buffered. ### Claim 11 An imaging method of performing millimeter wave three-dimension 3D holographic scanning on an object to be inspected, comprising: conveying the object in a first direction by a conveying apparatus, so that the object passes through at least one millimeter wave transceiving module, wherein each millimeter wave transceiving module is arranged to have its longitudinal direction extend in a direction intersecting the first direction, and comprises a millimeter wave transceiving antenna array for transceiving millimeter wave signals; scanning the object by each millimeter wave transceiving module when the object passes through the millimeter wave transceiving module, so as to obtain scanned data of the object; and obtaining a millimeter wave holographic image of the object based on the scanned data, wherein the millimeter wave transceiving antenna array comprises a column of millimeter wave transmitting antennas and a column of millimeter wave receiving antennas, the two columns being arranged in parallel. ### Claim 12 (depends on 11) The method according to claim 11, wherein the millimeter wave transceiving module is arranged to be fixed when the object is being scanned. ### Claim 13 (depends on 11) The method according to claim 11, wherein the at least one millimeter wave transceiving module comprises a first millimeter wave transceiving module and a second millimeter wave transceiving module respectively arranged on opposite sides of the conveying apparatus. ### Claim 14 (depends on 13) The method according to claim 13, wherein the first millimeter wave transceiving module and the second millimeter wave transceiving module are arranged opposite to each other. ### Claim 15 (depends on 11) The method according to claim 11, further comprising: sensing a position of the object on the conveying apparatus; and issuing an indication when it is determined that a distance of the object toward a millimeter wave transceiving module is less than a predetermined value, and issuing an indication when it is determined that the distance of the object apart from the millimeter wave transceiving module is more than a predetermined value, based on a sensing result of a position sensor.