A system for monitoring shopping carts or other human-propelled carts includes wireless access points that communicate bi-directionally on a wireless network with wheel assemblies of the carts. The system supports both unicast and multicast command transmissions from the access points to the wheel assemblies, including multicast transmissions in which the target wheel assemblies are specified in terms of their states. For example, an access point can transmit a command that is addressed to all wheel assemblies that are locked, or to all wheel assemblies that are moving.


    Access

    Download


    Export, share and cite



    Title :

    Cart monitoring system supporting unicast and multicast command transmissions to wheel assemblies


    Contributors:

    Publication date :

    2018-05-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS / H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze / A47F Spezialmöbel, Einrichtungen oder Zubehör für Ladengeschäfte, Lagerräume, Bars, Restaurants oder dgl. , SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS, OR THE LIKE / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / G06K Erkennen von Daten , RECOGNITION OF DATA / G06Q Datenverarbeitungssysteme oder -verfahren, besonders angepasst an verwaltungstechnische, geschäftliche, finanzielle oder betriebswirtschaftliche Zwecke, sowie an geschäftsbezogene Überwachungs- oder Voraussagezwecke , DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES / G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



    Zone-based command transmissions to cart wheel assemblies

    HANNAH STEPHEN E / CARTER SCOTT J / JAMES JESSE M | European Patent Office | 2017

    Free access

    SatiPSec : An Optimized Solution for Securing Multicast and Unicast Satellite Transmissions

    Duquerroy, Laurence / Josset, Sebastien / Alphand, O. et al. | AIAA | 2004


    AIAA-2004-3177 SatiPSec: An Optimized Solution for Securing Multicast and Unicast Satellite Transmissions

    Duquerroy, L. / Josset, S. / Alphand, O. et al. | British Library Conference Proceedings | 2004


    AIAA-2004-3177 SatiPSec: An Optimized Solution for Securing Multicast and Unicast Satellite Transmissions

    Duquerroy, L. / Josset, S. / Alphand, O. et al. | British Library Conference Proceedings | 2004


    Fleet tracking system having unicast and multicast functionality

    KOEHRSEN CRAIG L / COLLINS DARRYL V / EVERETT BRYAN J | European Patent Office | 2015

    Free access