Certified two way source initiated transfer
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Accused Products
Abstract
An audience response system comprising a base unit and a plurality of remote units communicating using wireless communication operating on a frequency pair. When a response key on a remote unit is activated, the remote unit transmits a voting signal packet to the base unit. The base unit registers the vote and transmits an acknowledgment signal to the remote unit. When the remote unit receives an acknowledgment signal, the remote unit certifies to the operator that the vote was received. If an acknowledgment signal is not received, the remote unit will attempt at least one retransmission after a random delay before alerting the operator that the vote attempt has failed.
76 Citations
47 Claims
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1-22. -22. (canceled)
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23. An audience response system comprising:
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a plurality of transmitter units; and a receiver unit, wherein each transmitter unit includes a unique address and logic programmed to perform the steps of receiving a user selection via a button push and, responsive to the button push, without receiving a signal from the receiver unit to initiate transmission, repeatedly transmitting a wireless selection signal until a wireless acknowledgment signal is received, the wireless selection signal including the unique address and the user selection, and wherein the receiver unit includes a receiver for receiving a wireless selection signal and logic programmed to transmit a wireless acknowledgment signal in response to the receipt of each wireless selection signal. - View Dependent Claims (24, 30, 31, 32, 33, 34)
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25. A method for wirelessly communicating data from a plurality of transmitter units to a receiver, the method comprising the steps of:
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receiving a user input at one of the plurality of transmitter units; formatting a radio frequency signal comprising the user input and a unique identifier; asynchronously repeatedly wirelessly transmitting the radio frequency signal; wirelessly receiving an acknowledgment radio frequency signal comprising the unique identifier; and terminating the step of asynchronously repeatedly wirelessly transmitting. - View Dependent Claims (26, 27, 28, 29)
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35. A wireless remote unit for use in a system for communicating voting results between a plurality of remote units and a base unit, comprising:
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a remote transmitter, a remote processor configured to receive a vote, and in response, communicating instructions to the remote transmitter to transmit a vote signal packet assembling an identification code unique to the remote unit and the vote, a status indicator to indicate whether an acknowledgment signal containing an identification code matching the identification code of the remote unit was received by the remote receiver within a predetermined period of time; the remote processor configured to communicate instructions to the remote transmitter to initiate retransmission of the vote signal packet in response to the acknowledgment signal not being received within the predetermined period of time, with retransmission of the vote signal packet initiated after passing of a first time interval; and the remote processor is further configured to communicate instructions to the remote transmitter to repeat retransmission of the vote signal packet after passing of a second time interval, in response to the acknowledgment signal not being received within a predetermined period of time following an initial retransmission. - View Dependent Claims (36, 37, 38, 39)
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40. A wireless communication system comprising:
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a plurality of remote units, comprising a remote transmitter, a remote processor configured to receive a vote and in response, to communicate instructions to the remote transmitter to transmit a vote signal packet assembling an identification code unique to the remote unit and the vote, a remote receiver, a status indicator to indicate whether an acknowledgment signal containing an identification code matching the identification code of the remote unit was received by the remote receiver within a predetermined period of time, the remote processor configured to communicate instructions to the remote transmitter to initiate retransmission of the vote signal packet in response to the acknowledgment signal not being received within the predetermined period of time; a base unit adapted for wireless communication comprising a base receiver to receive the vote signal packet from the remote unit, a processor for registering the vote, and a base transmitter to transmit an acknowledgment signal to at least the remote unit sending the vote signal packet, the acknowledgment signal comprising the identification code unique to the remote unit from which the vote signal packet was received; retransmission of the vote signal packet initiated after passing of a first time interval; and the remote processor is configured to communicate instructions to the remote transmitter to repeat retransmission of the vote signal packet after passing of a second time interval, in response to the acknowledgment signal not being received within the predetermined period of time following an initial retransmission. - View Dependent Claims (41, 42, 43, 44, 45)
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46. A method for wirelessly communicating to a base unit with a remote unit in an audience response system comprising the steps of:
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activating a response key on a remote unit; transmitting a vote signal packet from the remote unit to the base unit, the vote signal packet comprising an identification code unique to the remote unit and a message corresponding to the response key activated; receiving, if available, an acknowledgment signal containing an identification code from the base unit;
comparing the identification code in the acknowledgment signal with the identification code of the remote unit;displaying on the remote unit a visual cue certifying that the vote signal packet was successfully received by the base unit if the identification code in the acknowledgment signal matches the identification code of the remote unit; retransmitting the vote signal packet if an acknowledgment signal is not received from the base unit, said retransmitting delayed until a first predetermined time has elapsed following transmission of the vote packet signal; and repeating retransmission of the vote signal packet if an acknowledgment signal is not received from the base unit upon an initial retransmission of the vote signal packet, said repeating transmission delayed until a second predetermined time has elapsed following initial retransmission of the vote signal packet. - View Dependent Claims (47)
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Specification