Participant response system employing battery powered, wireless remote units
First Claim
Patent Images
1. A participant response system for remote unit diagnostics during an assessment, the participant response system comprising:
- an interactive whiteboard comprising a touch surface on which said assessment is displayed;
at least one host computer running said assessment and communicating with said interactive whiteboard; and
a plurality of battery-powered, handheld remote units communicating wirelessly with said at least one host computer, each said remote unit configured to display assessment queries, to receive user input responsive to said assessment queries and to transmit received user input to said at least one host computer, each said remote unit further configured to execute a diagnostic routine in response to a received status request broadcast by said at least one host computer in a general broadcast beacon frame directed to all said remote units to detect the status thereof, any remote unit detecting an unhealthy state returning health information to said host computer.
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Abstract
A participant response system (50) comprises at least one host computer (52) and a plurality of battery-powered remote units (62) communicating wirelessly with the host computer (52). Each remote unit (62) executes a diagnostic routine in response to a received status request broadcast by the host computer (52) to detect the status thereof. Any remote unit (62) that detects an unhealthy state, returns health information to the host computer (52).
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Citations
42 Claims
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1. A participant response system for remote unit diagnostics during an assessment, the participant response system comprising:
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an interactive whiteboard comprising a touch surface on which said assessment is displayed; at least one host computer running said assessment and communicating with said interactive whiteboard; and a plurality of battery-powered, handheld remote units communicating wirelessly with said at least one host computer, each said remote unit configured to display assessment queries, to receive user input responsive to said assessment queries and to transmit received user input to said at least one host computer, each said remote unit further configured to execute a diagnostic routine in response to a received status request broadcast by said at least one host computer in a general broadcast beacon frame directed to all said remote units to detect the status thereof, any remote unit detecting an unhealthy state returning health information to said host computer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A participant response system for remote unit diagnostics during an assessment, the participant response system comprising:
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an interactive whiteboard comprising a touch surface on which said assessment is displayed; at least one host computer running said assessment and communicating with said interactive whiteboard; and a plurality of battery-powered, handheld remote units communicating wirelessly with said host computer, each said remote unit configured to display assessment queries, to receive user assessment response input and to transmit received user assessment response input to said at least one host computer, each said remote unit further configured to execute a diagnostic routine at regular intervals in response to status requests broadcast by said at least one host computer in general broadcast beacon frames addressed to all remote units to detect the status thereof, and in response at each interval returning health information to said at least one host computer. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A method of notifying a host computer of low battery conditions in hand-held wireless devices communicating with said host computer during an assessment, the method comprising:
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displaying an assessment on a touch surface of an interactive whiteboard; receiving, from said wireless devices at the host computer, assessment answers entered by users of said wireless devices; monitoring the status of a battery of each wireless device at regular intervals during the assessment in response to status requests broadcast by the host computer in general broadcast beacon frames directed to all wireless devices; and at each interval, sending a battery status message from each wireless device to said host computer, each battery status message identifying one of a normal battery condition and a low battery condition. - View Dependent Claims (34, 35, 36, 37)
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38. A participant response system for remote unit replacement during an assessment, said participant response system comprising:
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at least one host computer; and a plurality of battery-powered, handheld remote units communicating wirelessly with said at least one host computer in a communication session, each of said remote units configured to display assessment queries, to receive user input responsive to said assessment queries and to transmit received user input to said at least one host computer; wherein said at least one host computer is configured to; receive a request from a new remote unit to join said communication session; determine that said new remote unit is a replacement of one of said plurality of remote units in said communication session; and transfer to said new remote unit data associated with said one of the said plurality of remote units being replaced, said data comprising assessment data. - View Dependent Claims (39, 40, 41, 42)
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Specification