CONTROLLED POWER-EFFICIENT OPERATION OF WIRELESS COMMUNICATION DEVICES
First Claim
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1. A wireless device, comprising:
- a wireless transceiver capable of wirelessly transmitting and receiving information to and from an electronic device located remotely from the wireless device;
a battery for powering operation of the wireless device; and
a controller operatively coupled to the wireless transceiver and the battery and configured to;
continuously operate the wireless device in a sleep mode whereby the wireless transceiver is inoperable to transmit or receive information and consumption of power from the battery is lower than when the wireless device operates in an awake mode;
periodically and temporarily switch the operation of the wireless device from the sleep mode to the awake mode whereby, while in the awake mode, the wireless transceiver is configured to transmit and/or receive information; and
alter a period at which the wireless device switches from the sleep mode to the awake mode such that during a first period the wireless device operates in the sleep mode for a first amount of time before temporarily switching from the sleep mode to the awake mode and that during a second period the wireless device operates in the sleep mode for a second amount of time before temporarily switching from the sleep mode to the awake mode, the second amount of time being greater than the first amount of time.
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Abstract
A low cost, robust, wireless sensor that provides an extended period of operability without maintenance is described. The wireless sensors are configured to communicate with a base unit or repeater. When the sensor unit detects an anomalous ambient condition (e.g., smoke, fire, water, etc.) the sensor communicates with the base unit and provides data regarding the anomalous condition. The sensor unit receives instructions to change operating parameters and/or control external devices.
28 Citations
20 Claims
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1. A wireless device, comprising:
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a wireless transceiver capable of wirelessly transmitting and receiving information to and from an electronic device located remotely from the wireless device; a battery for powering operation of the wireless device; and a controller operatively coupled to the wireless transceiver and the battery and configured to; continuously operate the wireless device in a sleep mode whereby the wireless transceiver is inoperable to transmit or receive information and consumption of power from the battery is lower than when the wireless device operates in an awake mode; periodically and temporarily switch the operation of the wireless device from the sleep mode to the awake mode whereby, while in the awake mode, the wireless transceiver is configured to transmit and/or receive information; and alter a period at which the wireless device switches from the sleep mode to the awake mode such that during a first period the wireless device operates in the sleep mode for a first amount of time before temporarily switching from the sleep mode to the awake mode and that during a second period the wireless device operates in the sleep mode for a second amount of time before temporarily switching from the sleep mode to the awake mode, the second amount of time being greater than the first amount of time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of operating a wireless device, comprising:
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continuously operating the wireless device in a sleep mode whereby a wireless transceiver included in the wireless device is inoperable to transmit or receive information and consumption of power from a battery of the wireless device is lower than when the wireless device operates in an awake mode; periodically and temporarily causing the wireless device to switch from the sleep mode to the awake mode whereby, while in the awake mode, the wireless transceiver transmits and/or receives information; and altering a period at which the wireless device switches from the sleep mode to the awake mode such that during a first period the wireless device operates in the sleep mode for a first amount of time before temporarily switching from the sleep mode to the awake mode and that during a second period the wireless device operates in the sleep mode for a second amount of time before temporarily switching from the sleep mode to the awake mode, the second amount of time being greater than the first amount of time. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A system for wireless sensor detection, comprising:
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means for continuously operating a wireless device in a sleep mode whereby a wireless transceiver is inoperable to transmit or receive information and consumption of power from a battery of the wireless device is lower than when the wireless device operates in an awake mode; means for periodically and temporarily causing the wireless device to switch from the sleep mode to the awake mode whereby, while in the awake mode, the wireless transceiver transmits and/or receives information; and means for altering a period at which the wireless device switches from the sleep mode to the awake mode such that during a first period the wireless device operates in the sleep mode for a first amount of time before temporarily switching from the sleep mode to the awake mode and that during a second period the wireless device operates in the sleep mode for a second amount of time before temporarily switching from the sleep mode to the awake mode, the second amount of time being greater than the first amount of time. - View Dependent Claims (17, 18, 19, 20)
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Specification