JP2022509169A - 信号分離を含むウォークスルーゲート - Google Patents
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/04—Systems determining presence of a target
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/006—Theoretical aspects
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/46—Indirect determination of position data
- G01S13/48—Indirect determination of position data using multiple beams at emission or reception
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
- G01S13/878—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/887—Radar or analogous systems specially adapted for specific applications for detection of concealed objects, e.g. contraband or weapons
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V15/00—Tags attached to, or associated with, an object, in order to enable detection of the object
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/36—Recording data
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
- G01S7/411—Identification of targets based on measurements of radar reflectivity
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Abstract
Description
Claims (20)
- 空洞部の各側面に湾曲した内面(105)を含む境界を有する、前記湾曲した内面が反射材料(132)によって少なくとも一部が覆われたウォークスルーゲート構造体(100)と、
少なくとも1つの無線周波数(RF)信号送信機(130)と、
少なくとも1つのRF信号受信機と、
前記ウォークスルーゲート構造体の前記空洞部へのアクセスを提供するアパーチャ(140)と、
を有するウォークスルーゲート装置。 - 前記少なくとも1つのRF信号送信機及び前記少なくとも1つのRF信号受信機の少なくとも1つが、前記湾曲した内面に接して配置されている、請求項1に記載のウォークスルーゲート装置。
- 前記ウォークスルーゲート構造体の内側の領域と前記ウォークスルーゲート構造体の外側の領域との間の信号空間分離を実行するように構成された少なくとも1つの信号処理ユニットをさらに有する、請求項1に記載のウォークスルーゲート装置。
- 前記少なくとも1つの信号処理ユニットは、受信信号強度、応答時間、タグから受信した応答数及びアンテナポート番号に基づいて前記信号空間分離を実行する、請求項3に記載のウォークスルーゲート装置。
- 前記少なくとも1つのRF信号送信機は、前記空洞部内部での最も少ない回数の反射後に前記空洞部から出ることができる前記湾曲した内面の別の地点に向けて送信される信号を生成する、請求項1に記載のウォークスルーゲート装置。
- 前記少なくとも1つのRF信号送信機は、所定の最小限の減衰後に前記空洞部から出るように前記湾曲した内面の別の地点に向けて送信される信号を生成する、請求項1に記載のウォークスルーゲート装置。
- 前記空洞部へ入射する信号は、有限数の反射によって前記空洞部から出るか、または前記湾曲した内面に配置された少なくとも1つのRF吸収体によって吸収される、請求項1に記載のウォークスルーゲート装置。
- 前記湾曲した内面は、2次元断面が少なくとも1つの円に関する複数の円弧を含む、請求項1に記載のウォークスルーゲート装置。
- 前記湾曲した内面の中央部位がRF反射材料を含み、前記湾曲した内面の残りの部位がRF吸収材料を含む、請求項1に記載のウォークスルーゲート装置。
- 入射角α及び発信元の送信点に関する所定の角度位置φを有するクロスワイズの象限へ向かう送信のために、第2の反射点の角度位置が前記発信元の送信点の所定の角度位置よりも小さい、請求項1に記載のウォークスルーゲート装置。
- 前記湾曲した内面が、RF反射材料から成る凸状面を有する、請求項1に記載のウォークスルーゲート装置。
- RF反射材料から成る前記凸状面のプレミアの少なくとも一部が、RF吸収材料で覆われている、請求項12に記載のウォークスルーゲート装置。
- 空洞部の各側面に楕円(105)の円弧で形成された境界を有する、前記境界が反射材料によって少なくとも一部が覆われたウォークスルーゲート構造体と、
前記境界に接して配置された少なくとも1つの無線周波数(RF)信号送信機(130)と、
前記ウォークスルーゲート構造体の前記空洞部へのアクセスを提供するアパーチャ(140)と、
前記境界上に配置された少なくとも1つのRF吸収体(134)と、
前記境界に接して配置された少なくとも1つのRF受信機(130)と、
前記ウォークスルーゲート構造体の内側の領域と前記ウォークスルーゲート構造体の外側の領域との間の信号空間分離を実行するように構成された少なくとも1つの信号処理装置(136)と、
を有するウォークスルーゲート装置。 - 前記少なくとも1つの受信機は、前記ウォークスルーゲート構造体の境界内の少なくとも1つのRFID(radio frequency identifier)からの送信信号を受信するように構成された、請求項15に記載のウォークスルーゲート装置。
- 前記少なくとも1つのRF信号送信機は、複数回の反射後に前記空洞部から出る可能性が無いように、前記湾曲した内面の別の地点に向けて送信される信号を生成する、請求項15に記載のウォークスルーゲート装置。
- 前記少なくとも1つのRF信号送信機は、所定の最小限の減衰後に前記空洞部から出るように前記湾曲した内面の別の地点に向けて送信される信号を生成する、請求項15に記載のウォークスルーゲート装置。
- 前記境界が、互いに左右対象に配置された湾曲した内面を有する、請求項15に記載のウォークスルーゲート装置。
- ウォークスルーゲートを実現するためのコンピュータシステムであって、
空洞部の側面に湾曲した内面を含む境界を有する、前記湾曲した内面が反射材料によって覆われたウォークスルーゲート構造体内に配置された受信機で送信を受信し(510)、
前記ウォークスルーゲート構造体の内側の領域と前記ウォークスルーゲート構造体の外側の領域との間で信号空間分離を実行し(520)、
ウォークスルーゲート構造体の境界内で少なくとも1つのRFID(radio frequency identifier)から信号が送信されたか否かを判定し(530)、
前記ウォークスルーゲート構造体を含む境界内から信号が送信されたとの判定に対応して、少なくとも1つのRFIDに基づくトランザクションを処理する(540)ように構成された、メモリ装置に動作可能に接続されたプロセッサデバイスを有するコンピュータシステム。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US201962791143P | 2019-01-11 | 2019-01-11 | |
US62/791,143 | 2019-01-11 | ||
US16/578,967 US11415669B2 (en) | 2019-01-11 | 2019-09-23 | Walk-through gate with signal separation |
US16/578,967 | 2019-09-23 | ||
PCT/US2019/052603 WO2020146017A1 (en) | 2019-01-11 | 2019-09-24 | Walk-through gate with signal separation |
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JP2022509169A true JP2022509169A (ja) | 2022-01-20 |
JP7201811B2 JP7201811B2 (ja) | 2023-01-10 |
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JP2021529275A Active JP7201811B2 (ja) | 2019-01-11 | 2019-09-24 | 信号分離を含むウォークスルーゲート |
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US (1) | US11415669B2 (ja) |
JP (1) | JP7201811B2 (ja) |
WO (1) | WO2020146017A1 (ja) |
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