PL2093726T3 - Układ monitorowania przedmiotów - Google Patents

Układ monitorowania przedmiotów

Info

Publication number
PL2093726T3
PL2093726T3 PL07834497T PL07834497T PL2093726T3 PL 2093726 T3 PL2093726 T3 PL 2093726T3 PL 07834497 T PL07834497 T PL 07834497T PL 07834497 T PL07834497 T PL 07834497T PL 2093726 T3 PL2093726 T3 PL 2093726T3
Authority
PL
Poland
Prior art keywords
monitoring system
item monitoring
item
monitoring
Prior art date
Application number
PL07834497T
Other languages
English (en)
Inventor
Esparza Eduardo Ruiz
Matus Adalberto Teran
Elizondo Rafael Guillermo Ramos
Ramirez Patricio Gerardo Treviño
Original Assignee
Rfid Mexico Sa De Cv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US11/580,006 external-priority patent/US7557709B2/en
Application filed by Rfid Mexico Sa De Cv filed Critical Rfid Mexico Sa De Cv
Publication of PL2093726T3 publication Critical patent/PL2093726T3/pl

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—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
    • G08B13/2451—Specific applications combined with EAS
    • G08B13/2457—Lending systems using EAS tags wherein the tags are reusable, e.g. they can be activated and deactivated more than once, e.g. for a library
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H3/00—Storage means or arrangements for workshops facilitating access to, or handling of, work tools or instruments
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • G06Q10/087—Inventory or stock management, e.g. order filling, procurement or balancing against orders
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F9/00—Details other than those peculiar to special kinds or types of apparatus
    • G07F9/02—Devices for alarm or indication, e.g. when empty; Advertising arrangements in coin-freed apparatus
    • G07F9/026—Devices for alarm or indication, e.g. when empty; Advertising arrangements in coin-freed apparatus for alarm, monitoring and auditing in vending machines or means for indication, e.g. when empty
    • 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
    • G07G1/009—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 the reader being an RFID reader
    • 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
    • G07C11/00—Arrangements, systems or apparatus for checking, e.g. the occurrence of a condition, not provided for elsewhere
    • 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
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
    • G07C9/00912—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses for safes, strong-rooms, vaults or the like
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Economics (AREA)
  • Accounting & Taxation (AREA)
  • Tourism & Hospitality (AREA)
  • Development Economics (AREA)
  • Marketing (AREA)
  • Operations Research (AREA)
  • Quality & Reliability (AREA)
  • Strategic Management (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Finance (AREA)
  • General Business, Economics & Management (AREA)
  • Human Resources & Organizations (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Library & Information Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)
PL07834497T 2006-10-13 2007-10-12 Układ monitorowania przedmiotów PL2093726T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US11/580,006 US7557709B2 (en) 2006-10-13 2006-10-13 Item tracking system
US11/856,869 US7932824B2 (en) 2006-10-13 2007-09-18 Item tracking system
EP07834497.5A EP2093726B1 (en) 2006-10-13 2007-10-12 Item monitoring system
PCT/MX2007/000116 WO2008044909A1 (es) 2006-10-13 2007-10-12 Sistema de control de articulos

Publications (1)

Publication Number Publication Date
PL2093726T3 true PL2093726T3 (pl) 2015-01-30

Family

ID=39283069

Family Applications (1)

Application Number Title Priority Date Filing Date
PL07834497T PL2093726T3 (pl) 2006-10-13 2007-10-12 Układ monitorowania przedmiotów

Country Status (8)

Country Link
US (1) US7932824B2 (pl)
EP (1) EP2093726B1 (pl)
CA (1) CA2669316C (pl)
DK (1) DK2093726T3 (pl)
ES (1) ES2510543T3 (pl)
PL (1) PL2093726T3 (pl)
PT (1) PT2093726E (pl)
WO (1) WO2008044909A1 (pl)

Families Citing this family (91)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1733239B1 (de) * 2004-04-07 2011-11-16 Tecan Trading AG Vorrichtung und vefahren zum identifizieren, orten und verfolgen von objekten auf laboreinrichtungen
TW200630284A (en) * 2005-02-25 2006-09-01 Murata Machinery Ltd A storage management system
TW200723153A (en) * 2005-11-18 2007-06-16 Murata Machinery Ltd Storage system
AU2008254398B2 (en) * 2007-05-18 2010-07-15 3M Innovative Properties Company Method for tracking cyclical procedures performed on personal protection equipment
US20090037378A1 (en) * 2007-08-02 2009-02-05 Rockwell Automation Technologies, Inc. Automatic generation of forms based on activity
US8207858B2 (en) * 2007-08-07 2012-06-26 Cooper Technologies Company Monitoring systems and methods for ensuring a proper use of personal protective equipment for potential hazards presented to a person while servicing an electrical power system
JP2009152694A (ja) * 2007-12-18 2009-07-09 Oki Data Corp 画像処理装置
US8630819B2 (en) * 2008-02-18 2014-01-14 The Boeing Company System and method for electronic inspection and record creation of assembly, repair and maintenance operations
US9311767B2 (en) * 2008-03-31 2016-04-12 The Hong Kong Polytechnic University System for storage shelving and methods of use thereof
DE102008022891A1 (de) * 2008-05-08 2009-11-12 Kahl Sicherheit Consulting Gmbh Transportables Kontrollsystem
US9147174B2 (en) 2008-08-08 2015-09-29 Snap-On Incorporated Image-based inventory control system using advanced image recognition
US8353456B2 (en) * 2008-08-08 2013-01-15 Snap-On Incorporated Image-based inventory control system
US8842183B2 (en) * 2008-08-08 2014-09-23 Snap-On Incorporated Image-based inventory control system with automatic calibration and image correction
US9041508B2 (en) * 2008-08-08 2015-05-26 Snap-On Incorporated Image-based inventory control system and method
US20100179822A1 (en) * 2009-01-14 2010-07-15 Reppas Soterios I System, Method and Device for Tracking Surgical Sponges
US8749347B1 (en) * 2009-01-29 2014-06-10 Bank Of America Corporation Authorized custodian verification
US8502644B1 (en) 2009-01-29 2013-08-06 Bank Of American Corporation Physical item security: tracking device activation
US8020768B2 (en) * 2009-04-01 2011-09-20 RFID Mexico, S.A. DE C.V. Portable container inventory control system
JP2010241580A (ja) * 2009-04-09 2010-10-28 Hitachi Ltd 構成情報補完トレーサビリティシステム
US9189769B2 (en) 2009-12-07 2015-11-17 Meps Real-Time, Inc. Real-time inventory re-supply system
JP5563842B2 (ja) * 2010-02-08 2014-07-30 フェリカネットワークス株式会社 携帯端末、情報送受信方法、サーバ装置、リーダライタ及び会員特典取得システム
JP2013519177A (ja) * 2010-02-09 2013-05-23 エムイーピーエス、リアル‐タイム、インコーポレイテッド 内蔵式ｒｆｉｄ使用可能引出しモジュール
GB2480322B (en) * 2010-05-14 2013-04-24 Tool Control Systems Ltd Inventory storage apparatus and inventory item verification process
US9083561B2 (en) 2010-10-06 2015-07-14 At&T Intellectual Property I, L.P. Automated assistance for customer care chats
US20120095961A1 (en) * 2010-10-15 2012-04-19 Myers Tire Supply International, Inc. Tool tracking system and method
AT510833B1 (de) * 2010-11-25 2012-10-15 Werkzeug Vertriebsgmbh Nfg Kg Ordnungssystem für werkzeuge, maschinenteile und dgl.
EP2458531A1 (en) * 2010-11-25 2012-05-30 9Solutions Oy Asset control in location tracking system
JP2013546089A (ja) * 2010-12-08 2013-12-26 アペックス インダストリアル テクノロジーズ エル エル シー 直接利用型払い出しシステム
US20120306623A1 (en) * 2010-12-30 2012-12-06 Corbin Will H System and method for automated monitoring of students' work in an educational environment
US20120169471A1 (en) * 2010-12-30 2012-07-05 Corbin Will H System and method for automated monitoring of students' work in an educational environment
US20120262292A1 (en) * 2011-04-14 2012-10-18 Martin Moser Portable device inventory tracking
CN102791015B (zh) * 2011-05-20 2016-04-13 赛恩倍吉科技顾问（深圳）有限公司 基站装置、无线通信系统及方法
US9189663B2 (en) 2011-12-02 2015-11-17 The Stanley Works Israel, Ltd Battery operated device and tag for a battery operated tool
AU2013207274A1 (en) 2012-01-08 2014-08-21 Imagistar Llc System and method for item self-assessment as being extant or displaced
US8776644B2 (en) 2012-01-23 2014-07-15 Stanley Black & Decker, Inc. Electronic identifier attachment for inventory items
US8870078B2 (en) 2012-02-08 2014-10-28 Stanley Black & Decker, Inc. Hand tool having an electronic identification device
AT512558B1 (de) * 2012-02-17 2014-06-15 Werkzeug Vertriebsgmbh Nfg Kg Anordnung bei montageplätzen
US10146976B2 (en) * 2012-03-01 2018-12-04 Proper Digital LLC Tooling system
EP3792010B1 (en) 2012-06-12 2024-05-22 Snap-On Incorporated Tool training for automated tool control systems
AT513235A1 (de) * 2012-06-18 2014-02-15 Kurt Dipl Ing Ogris Vorrichtung und Verfahren zur Sicherung von Dokumenten
US9089952B2 (en) 2012-08-14 2015-07-28 Stanley Black & Decker, Inc. Electronic identifier attachments for bits
AT13472U1 (de) * 2012-10-25 2014-01-15 Fmtec Gmbh Behälter zum Transport und/oder zur Aufbewahrung von einem oder mehreren Gegenständen
US9452330B2 (en) * 2013-01-11 2016-09-27 Tag Golf, Llc Golf club grip with user notification and tracking capability
US9721224B2 (en) 2013-03-14 2017-08-01 Coreorient Oy System and method for managing transportation and storage of goods
ITNA20130017A1 (it) * 2013-03-28 2014-09-29 Kiranet Srl Sistema meccatronico per il controllo a radiofrenquenza di oggetti immagazzinati
CA2918446A1 (en) * 2013-08-02 2015-02-05 The Legacy Chip Corporation Method and system for storing information related to an object
JP6250464B2 (ja) * 2014-04-18 2017-12-20 東芝テック株式会社 読取装置及びプログラム
US10699483B2 (en) 2014-12-15 2020-06-30 Autodesk, Inc. Smart tools and workspaces for do-it-yourself tasks
SE1451670A1 (sv) * 2014-12-30 2016-05-10 Swedstyle Ab Elektrisk låsenhet för möbler och förvaring
ES2952060T3 (es) 2015-04-15 2023-10-26 Snap On Incorporated Sistema automatizado de gestión de instrumentos con múltiples tecnologías de detección
US10504058B2 (en) * 2015-04-28 2019-12-10 Sato Holdings Kabushiki Kaisha Storage cabinet
WO2016175280A1 (ja) * 2015-04-28 2016-11-03 サトーホールディングス株式会社 保管庫
EP3168012A3 (en) * 2015-11-02 2017-07-26 TRL Enterprises LLC Tool management system
AU2017220064B2 (en) 2016-02-16 2022-10-06 Sato Holdings Kabushiki Kaisha An inventory control system and a method of controlling inventory
DE102016210761A1 (de) * 2016-06-16 2017-12-21 Robert Bosch Gmbh Verfahren zu einem Führen eines Bedieners zu einer Handwerkzeugvorrichtung
JP2017228140A (ja) 2016-06-23 2017-12-28 東芝テック株式会社 読取装置及びプログラム
TWI750468B (zh) * 2016-08-22 2021-12-21 美商米沃奇電子工具公司 用於工具之繫索
DE102016217897A1 (de) * 2016-09-19 2018-03-22 Robert Bosch Gmbh Aufbewahrungsvorrichtung für Handwerkzeugmaschinen, zugehörige Einsatzwerkzeuge und Zubehör mit Funktionen
US11049177B2 (en) * 2016-09-29 2021-06-29 Stanley Black & Decker, Inc. Multi-location tool sensing system
EP3494533A1 (en) * 2016-10-03 2019-06-12 Snap-On Incorporated Rechargeable tool and battery status monitoring in an automated tool control system
US9938693B1 (en) * 2016-12-15 2018-04-10 Caterpillar Inc. Asset tracking and work tool identification
US10685325B2 (en) * 2017-06-06 2020-06-16 American Traffic Solutions, Inc. Item return tracking systems and methods
CN107088861A (zh) * 2017-06-07 2017-08-25 西南交通大学 一种基于rfid识别的智能工具柜
ES3008484T3 (en) 2017-10-03 2025-03-24 Snap On Incorporated Monitoring of tool calibration status in automated tool control systems
US10264158B1 (en) * 2017-12-01 2019-04-16 Lexmark International, Inc. Method for retiring RFID copy sheets
US10592861B2 (en) * 2017-12-09 2020-03-17 Elizabeth Kemp Active shooter response system for initiating silent alert and deploying tactical tools
EP3788519A4 (en) 2018-04-30 2021-11-10 Hewlett-Packard Development Company, L.P. ACCESS TO A SERVICE KIOSK
IE87037B1 (en) 2018-08-08 2019-08-07 Chemco Ireland Ltd System and method for handling containers
US10769920B2 (en) 2018-09-22 2020-09-08 Fedex Corporate Services, Inc. Systems, apparatus, and methods for detecting an environmental anomaly and initiating an enhanced automatic response using elements of a wireless node network and using sensor data from ID nodes associated with packages and environmental threshold conditions per package
US11108781B2 (en) * 2018-10-19 2021-08-31 Huntington Bancshares Incorporated Systems and methods for managing device privileges
DE102019102685A1 (de) * 2019-02-04 2020-08-06 Aesculap Ag System, Vorrichtungen und Verfahren zur Identifizierung eines medizintechnischen Werkzeugs
CN110033850A (zh) * 2019-03-01 2019-07-19 深圳市美思美科智能科技股份有限公司 一种基于病理科腊块智能定位系统
US11562566B2 (en) * 2019-09-25 2023-01-24 Snap-On Incorporated Use of on-screen content identifiers in automated tool control systems
IT201900024745A1 (it) * 2019-12-19 2021-06-19 Telegi S R L Telecomunicazioni Generali Italiane Sistema e metodo di custodia e gestione sicura di dotazioni delle forze dell’ordine
TWI795725B (zh) * 2020-02-20 2023-03-11 林秀貞 智能儲物系統及其智能儲物方法
US11926448B2 (en) * 2020-02-24 2024-03-12 Joel Karsten Container devices, systems, and methods
US11048895B1 (en) * 2020-04-22 2021-06-29 The Boeing Company Device to detect the presence of a tool
US20240013146A1 (en) * 2020-10-13 2024-01-11 Orbinox Pty Ltd Asset tracking system
US20220215333A1 (en) * 2021-01-06 2022-07-07 Kuo-Chin Chiang APP Management System for Identifying Storage Boxes and Method Using the APP Management System
CL2021000926A1 (es) * 2021-04-14 2021-09-24 Pedro Arancibia Cares Cristian "sistema electrónico de identificación por radio frecuencia de la presencia o ausencia de objetos activos conocidos, candados con sus llaves o dispositivos de aislamiento de energía potencialmente peligrosas"
CN117178284A (zh) * 2021-05-18 2023-12-05 株式会社村田制作所 电子部件的管理方法
US20220374828A1 (en) * 2021-05-24 2022-11-24 Expedi, Inc. Systems and Methods for Monitoring a Storeroom
CN113723885B (zh) * 2021-08-31 2023-12-05 华夏飞机维修工程有限公司 一种部附件快速分解组装管理系统及管理方法
CN113808337A (zh) * 2021-09-17 2021-12-17 华霆（合肥）动力技术有限公司 一种工具存取柜及工具存取方法
CN113814946A (zh) * 2021-09-23 2021-12-21 国网新源控股有限公司 一种追踪二维码的智能工具柜
CN114418526B (zh) * 2021-12-23 2025-08-29 苏州慧工云信息科技有限公司 抽屉生产流程控制方法及系统
US12045684B2 (en) 2022-12-12 2024-07-23 Ohel Technologies, Llc. System and method for inferring the presence of objects by means of identification and detection
US12214384B2 (en) * 2023-03-12 2025-02-04 Kevin Gillest Rapid inspection, sort, tracking and tracing of large quantities of cans held for inspection
GB2629187A (en) * 2023-04-20 2024-10-23 Black & Decker Inc Tool cabinet management
US20250117742A1 (en) * 2023-10-06 2025-04-10 Pratt & Whitney Canada Corp. Electronic item management for item storage area
CN117787663B (zh) * 2024-02-23 2024-05-07 深圳市同昌汇能科技发展有限公司 一种基于rfid的移动作业终端管理方法及系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4845492A (en) * 1984-12-10 1989-07-04 Richard G. Cobb Article monitoring system with printing capability
AU5916799A (en) * 1998-09-11 2000-04-03 Key-Trak, Inc. Object tracking system with non-contact object detection and identification
US6812838B1 (en) * 2001-04-26 2004-11-02 Key-Trak, Inc. Key control system using separate ID and location detection mechanisms
US20020158761A1 (en) * 2001-04-27 2002-10-31 Larry Runyon Radio frequency personnel alerting security system and method
US20030117281A1 (en) * 2001-12-21 2003-06-26 Timur Sriharto Dynamic control containment unit
US6737961B2 (en) * 2002-08-14 2004-05-18 Omega Patents, L.L.C. Secure, vehicle key, storage device and associated method
JP3565217B2 (ja) * 2002-10-29 2004-09-15 オムロン株式会社 物品管理システム、非接触電子タグ、及び物品管理プログラム
WO2005028165A1 (en) 2003-09-17 2005-03-31 Coplan Limited Inventory control system
US6989749B2 (en) * 2003-11-21 2006-01-24 The United States Of America As Represented By The Secretary Of The Navy Electronic check out system
US7489242B2 (en) * 2004-07-13 2009-02-10 Tony Hines RFID multiple range method and system

Also Published As

Publication number Publication date
CA2669316C (en) 2017-06-27
PT2093726E (pt) 2014-10-13
EP2093726B1 (en) 2014-07-02
WO2008044909A1 (es) 2008-04-17
US7932824B2 (en) 2011-04-26
EP2093726A1 (en) 2009-08-26
CA2669316A1 (en) 2008-04-17
DK2093726T3 (da) 2014-10-06
ES2510543T3 (es) 2014-10-21
EP2093726A4 (en) 2010-06-02
US20080088454A1 (en) 2008-04-17

Similar Documents

Publication Publication Date Title
PT2093726E (pt) Sistema de monitorização de artigos
EP2033489A4 (en) EAR PROTECTION CONTROL SYSTEM
IL196415A0 (en) Monitoring system
IL179930A0 (en) Tvms - a total view monitoring system
EP2198412A4 (en) INVENTORY CONTROL SYSTEM
GB0616506D0 (en) Structural monitoring
EP2097740A4 (en) DETECTION SYSTEM
EP1898784A4 (en) MONITORING SYSTEM
GB0604230D0 (en) Structural monitoring
GB0617147D0 (en) Utility monitoring system
GB0704968D0 (en) Monitoring system
ZA200706282B (en) Monitoring system
GB0823248D0 (en) A monitoring system
GB2455834B (en) Monitoring system
GB0604336D0 (en) Alarm system
EP2061247A4 (en) MONITORING SYSTEM
GB2425361B (en) Monitoring system
GB0610558D0 (en) Security monitoring system
GB0610187D0 (en) Monitoring system
GB0604107D0 (en) Alarm system
GB0603190D0 (en) Detection system
GB0601816D0 (en) Alarm system
GB0623608D0 (en) Improved monitoring system
GB2444080B (en) Gas monitoring system
GB2438724B (en) Gas monitoring system