JP2006141041A - 識別システム - Google Patents
識別システム Download PDFInfo
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- JP2006141041A JP2006141041A JP2005332645A JP2005332645A JP2006141041A JP 2006141041 A JP2006141041 A JP 2006141041A JP 2005332645 A JP2005332645 A JP 2005332645A JP 2005332645 A JP2005332645 A JP 2005332645A JP 2006141041 A JP2006141041 A JP 2006141041A
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- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
- H01Q1/2216—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in interrogator/reader equipment
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- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
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- A47F9/046—Arrangement of recording means in or on check-out counters
- A47F9/047—Arrangement of recording means in or on check-out counters for recording self-service articles without cashier or assistant
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- G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
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- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
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- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10019—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
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- G06K7/10059—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot transponder driven
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- G06K7/10336—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the near field type, inductive coil
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- G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
- G06K7/10346—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the far field type, e.g. HF types or dipoles
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/0036—Checkout procedures
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/0036—Checkout procedures
- G07G1/0045—Checkout procedures with a code reader for reading of an identifying code of the article to be registered, e.g. barcode reader or radio-frequency identity [RFID] reader
- G07G1/0054—Checkout procedures with a code reader for reading of an identifying code of the article to be registered, e.g. barcode reader or radio-frequency identity [RFID] reader with control of supplementary check-parameters, e.g. weight or number of articles
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G3/00—Alarm indicators, e.g. bells
- G07G3/003—Anti-theft control
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- G—PHYSICS
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- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
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- G—PHYSICS
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- G08B13/2405—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used
- G08B13/2422—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using acoustic or microwave tags
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- G—PHYSICS
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- G08B13/2451—Specific applications combined with EAS
- G08B13/246—Check out systems combined with EAS, e.g. price information stored on EAS tag
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- G—PHYSICS
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- G—PHYSICS
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- G—PHYSICS
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- G—PHYSICS
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
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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
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- Radar Systems Or Details Thereof (AREA)
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- Interface Circuits In Exchanges (AREA)
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- Filters For Electric Vacuum Cleaners (AREA)
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Abstract
【解決手段】インタロゲータは、少なくとも2つの独立的な問合せ信号をトランスポンダへ送信するトランスミッタと、トランスポンダから応答信号を受信するレシーバとを含む。インタロゲータはまた、受信した応答信号におけるデータからトランスポンダを識別する処理手段を含む。各トランスポンダは、受信手段と、コード発生器と、このコード発生器に接続された送信手段とを含む。少なくとも1つの送信された問合せ信号の受信と同時に、トランスポンダはこれを識別するデータを含む応答信号を送出する。問合せ信号は、連続的にあるいは間欠的に送出することができる。各トランスポンダの受信手段は、比較的広い受信帯域幅を持ち、トランスポンダが1つ以上の問合せ信号に応答するようにする。
【選択図】図2
Description
12 一次問合せ信号
14 アンテナ
16 二次問合せ信号
20 低出力領域
22 アンテナ
24 アンテナ
26 スイッチ装置
28 インタロゲータ/コントローラ装置
30 第1のトランスミッタ
32 アンテナ
34 第2のトランスミッタ
36 アンテナ
38 トランスポンダ
40 反射面
46 ワゴン
48 アンテナ装置
50 インタロゲータ/制御装置(勘定窓口)
52 キーボードまたはキーパッド
54 ディスプレイ
56 送り状プリンタ
58 アンテナ装置
60 アンテナ装置
62 アンテナ装置
64 ケーブル
66 アンテナ・パッチ
68 トランスミッタ
70 トランスミッタ
72 トランスミッタ
74 マイクロプロセッサ
76 空洞同調フィルタ
78 空洞同調フィルタ
80 空洞同調フィルタ
82 直角位相レシーバ/増幅器
84 直角位相レシーバ/増幅器
86 直角位相レシーバ/増幅器
88 結合回路
90 位相同期ループ/コード抽出回路
92 ミクサ/フィルタ回路
94 高域通過フィルタ
96 増幅回路
98 全波整流器
100 加算回路
102 増幅器
104 ノイズ・リミッタ回路
106 フリップフロップ
108 インタロゲータ
110 トランスミッタ
112 指向性送信アンテナ
114 指向性受信アンテナ
116 レシーバ
118 復号/制御回路
120 トランスミッタ
122 アンテナ
Claims (17)
- 1つのインタロゲータと複数のトランスポンダとを設け、前記インタロゲータが問合せ信号を前記トランスポンダへ送信する送信手段と、前記トランスポンダからの応答信号を受信する受信手段と、該応答信号におけるデータから前記トランスポンダを識別する処理手段とを含み、各トランスポンダは、受信手段と、コード発生器と、該コード発生器と接続された送信手段とを含み、少なくとも1つの送信された問合せ信号の受信と同時に、前記トランスポンダが該トランスポンダを識別するデータを含む応答信号を送信する、識別システムであって、
インタロゲータは各々が別々の周波数を持つ少なくとも二つの独立した問い合わせ信号を同時又は間欠的に送信し、各トランスポンダは少なくとも一つの問い合わせ信号の受信と同時に応答信号を送信し、インタロゲータはいくつか又は全ての周波数で送信された同じトランスポンダからの応答信号を識別することを特徴とする識別システム。 - 前記少なくとも2つの問合せ信号が、前記トランスポンダの受信手段の受信帯域幅内に該当するように選択される、それぞれ異なる周波数を持つことを特徴とする請求項1に記載の識別システム。
- 前記少なくとも2つの問合せ信号が比較的狭い帯域幅の信号であり、各トランスポンダの受信手段が、前記少なくとも2つの問合せ信号の各異なる周波数が含まれる比較的広い受信帯域幅を持ち、前記トランスポンダが1つ以上の問合せ信号のどれかに応答するようにすることを特徴とする請求項2記載の識別システム。
- 各問合せ信号がデータで変調され、各問合せ信号のデータ変調帯域幅が、前記問合せ信号の各異なる周波数間の間隔より短いことを特徴とする請求項3記載の識別システム。
- 前記トランスポンダの送信手段が、アンテナと該アンテナの反射率を変調する手段とを含み、前記トランスポンダの応答信号が、トランスポンダを識別するデータで変調された1つ以上の問合せ信号キャリヤを含むことを特徴とする請求項1乃至4のいずれかに記載の識別システム。
- 前記インタロゲータの送信手段が、少なくとも2つの隔てられた送信アンテナを含み、前記受信手段が少なくとも2つの隔てられた受信アンテナを含むことを特徴とする請求項1乃至5のいずれかに記載の識別システム。
- 前記送信手段と受信手段とが、少なくとも2つの隔てられたアンテナ装置を含み、各アンテナ装置が、送信アンテナ素子および隣接する受信アンテナ素子を含むことを特徴とする請求項6記載の識別システム。
- 各アンテナ素子が、800MHz乃至1GHz間の周波数で動作するよう設計されたパッチ・アレイを含むことを特徴とする請求項7記載の識別システム。
- 送信および受信アンテナの各々の少なくとも2つが相互に異なるように偏波されることを特徴とする請求項6乃至8のいずれかに記載の識別システム。
- 前記インタロゲータの送信手段が、送信アンテナと、それぞれ異なる周波数で問合せ信号を生成する少なくとも第1および第2のトランスミッタと、該トランスミッタの出力を前記送信アンテナへ交互に切換える切換え手段とを含むことを特徴とする請求項1乃至5のいずれかに記載の識別システム。
- 前記トランスポンダの送信手段と受信手段とが、識別されるべきトランスポンダが通過する問合せ区間を画成する構造部にあるいはそれに隣接して取付けられることを特徴とする請求項6乃至10のいずれかに記載の識別システム。
- 前記インタロゲータの送信手段と受信手段とが、各トランスポンダが取付けられる物品を含む搬送手段が通過することができる通路を画成するフレームにより支持されることを特徴とする請求項11記載の識別システム。
- 前記インタロゲータの送信手段の予め定めた距離内における問合せ信号の電界に重なる無信号状態が存在しないように選択されるそれぞれ異なる周波数を、前記少なくとも2つの問合せ信号が有することを特徴とする請求項2乃至10のいずれかに記載の識別システム。
- 識別された各トランスポンダから受信するデータを記録して、受信したデータを該受信したデータと対応する記憶されたデータに関連付ける処理手段を設けることを特徴とする請求項1乃至13のいずれかに記載の識別システム。
- 前記処理手段が、異なるトランスポンダが取付けられる物品の値段または識別データを記憶して、これに識別されたトランスポンダの識別コードを関連付けるようになっていることを特徴とする請求項14記載の識別システム。
- 各トランスポンダが取付けられる物品の記述が値段データと関連付けられる表示を生成する表示手段を設けることを特徴とする請求項15記載の識別システム。
- 前記表示のプリントアウトを生成するプリンタ手段を設けることを特徴とする請求項16記載の識別システム。
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AT (3) | ATE171279T1 (ja) |
AU (1) | AU676853B2 (ja) |
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DE (3) | DE69329835T2 (ja) |
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JP2010537346A (ja) * | 2007-08-24 | 2010-12-02 | ウォル−マート ストアズ,インコーポレイティド | Rfid販売時点管理システム、方法及び装置 |
JP2011249890A (ja) * | 2010-05-24 | 2011-12-08 | Hitachi Ltd | 無線通信システムおよび無線通信方法 |
JP2020077408A (ja) * | 2018-11-08 | 2020-05-21 | 株式会社デンソーウェーブ | 無線タグシステム |
JP7428871B2 (ja) | 2018-11-08 | 2024-02-07 | 株式会社デンソーウェーブ | 無線タグシステム |
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