Audience response system and method with frequency agile...

H - Electricity – 04 – B

Patent

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H04B 7/26 (2006.01)

Patent

CA 2736456

A frequency agile wireless response system and method of retrieving user response data from a plurality of users includes providing a base unit and a plurality of handheld response units, each communicating with the base unit over a wireless communication link using a frequency agile communication protocol. Base signals are sent with the base unit to the response units over the wireless communication link. Response signals are sent from the response units to the base unit over the wireless communication link. The base signals include a master transmission and at least occasionally include an extension transmission. The master transmission includes information establishing a time mark for the response units. The master transmission also includes information enabling the response units to receive any extension transmission associated with that base signal.

La présente invention concerne un système de réponse sans fil agile en fréquence et un procédé dextraction de données de réponse dutilisateur dune pluralité dutilisateurs qui comprend la fourniture dune unité de base et dune pluralité dunités de réponse portatives, chaque unité communiquant avec lunité de base sur une liaison de communications sans fil à laide dun protocole de communication agile en fréquence. Des signaux de base sont envoyés par lunité de base aux unités de réponse sur la liaison de communications sans fil. Des signaux de réponse sont envoyés des unités de réponse à lunité de base sur la liaison de communications sans fil. Les signaux de base comprennent une transmission maître et, au moins occasionnellement, une transmission dextension. La transmission maître comprend des informations établissant un repère temporel pour les unités de réponse. La transmission maître comprend également des informations permettant aux unités de réponse de recevoir une transmission dextension associée à ce signal de base.

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