Remote sensor interface (RSI) having power conservative transceiver for transmitting and receiving wakeup signals
First Claim
Patent Images
1. A wireless data communication device, comprising:
- (a) a radio configured to power down to conserve energy and to power up in response to receipt of a wired electronic signal, the radio comprising a first receiver and a first transmitter;
(b) a wake-up transceiver comprising a second transmitter and a second receiver, the wake-up transceiver configured to,(i) screen radio frequency broadcasts, received by the second receiver, for specific data therein that identifies the radio frequency broadcast as a wake-up signal,(ii) provide the wired electronic signal to the radio in order to power up the radio upon receipt, by the second receiver, of a wake-up signal, and(iii) transmit radio frequency broadcasts, using the second transmitter, that include specific data therein that identifies the radio frequency broadcasts as wake-up signals; and
(c) a power source for powering at least one of the radio and the wake-up transceiver;
(d) wherein the second receiver of the wake-up transceiver is configured to draw less current than the first receiver of the radio while screening radio frequency broadcasts for specific data therein that identifies the radio frequency broadcast as a wake-up signal; and
(e) wherein the second transmitter of the wake-up transceiver is configured to draw less current than the first transmitter of the radio when transmitting radio frequency broadcasts that include specific data therein that identifies the radio frequency broadcasts as wake-up signals.
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Abstract
A device for receiving and transmitting wireless signals includes a transceiver capable of receiving a wireless signal; and a standards-based radio capable of activation thereof in response to a reception of a wireless signal by the transceiver. The transceiver includes a receiver capable of receiving a wireless signal transmitted to prompt activation of said standards-based radio; and a transmitter configured, in response to a reception by said receiver of a wireless signal transmitted to prompt activation of said standards-based radio, to selectively transmit a wireless signal for another transceiver to prompt activation of another standards-based radio.
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Citations
20 Claims
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1. A wireless data communication device, comprising:
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(a) a radio configured to power down to conserve energy and to power up in response to receipt of a wired electronic signal, the radio comprising a first receiver and a first transmitter; (b) a wake-up transceiver comprising a second transmitter and a second receiver, the wake-up transceiver configured to, (i) screen radio frequency broadcasts, received by the second receiver, for specific data therein that identifies the radio frequency broadcast as a wake-up signal, (ii) provide the wired electronic signal to the radio in order to power up the radio upon receipt, by the second receiver, of a wake-up signal, and (iii) transmit radio frequency broadcasts, using the second transmitter, that include specific data therein that identifies the radio frequency broadcasts as wake-up signals; and (c) a power source for powering at least one of the radio and the wake-up transceiver; (d) wherein the second receiver of the wake-up transceiver is configured to draw less current than the first receiver of the radio while screening radio frequency broadcasts for specific data therein that identifies the radio frequency broadcast as a wake-up signal; and (e) wherein the second transmitter of the wake-up transceiver is configured to draw less current than the first transmitter of the radio when transmitting radio frequency broadcasts that include specific data therein that identifies the radio frequency broadcasts as wake-up signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An apparatus comprising:
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(a) a shipping container; (b) a remote sensor interface(RSI) attached to the shipping container, the RSI comprising a protective housing containing, (i) a radio configured to power down to conserve energy and to power up in response to receipt of a wired electronic signal, the radio comprising a first receiver and a first transmitter, (ii) a wake-up transceiver comprising a second transmitter and a second receiver, the wake-up transceiver configured to, (A) screen radio frequency broadcasts, received by the second receiver, for specific data therein that identifies the radio frequency broadcast as a wake-up signal, (B) provide the wired electronic signal to the radio in order to power up the radio upon receipt, by the second receiver, of a wake-up signal, and (C) transmit radio frequency broadcasts, using the second transmitter, that include specific data therein that identifies the radio frequency broadcasts as wake-up signals, and (iii) a power source configured to power at least one of the radio and the wake-up transceiver, (iv) wherein the second receiver of the wake-up transceiver is configured to draw less current than the first receiver of the radio while screening radio frequency broadcasts for specific data therein that identifies the radio frequency broadcast as a wake-up signal, and (v) wherein the second transmitter of the wake-up transceiver is configured to draw less current than the first transmitter of the radio when transmitting radio frequency broadcasts that include specific data therein that identifies the radio frequency broadcasts as wake-up signals, and (c) at least one sensor with which the RSI is configured to receive data for transmitting from the shipping container to a network external to the shipping container, the sensor configured to acquire data pertaining to at least one of an environmental characteristic, status, and geographical location of the shipping container; (d) whereby at least one of an environment characteristic, status, and geographical location of the shipping container may be remotely monitored. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A remote sensor network for monitoring shipping containers, comprising:
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(a) a first plurality of shipping containers, each shipping container including, (i) a remote sensor interface(RSI) attached to the shipping container, the RSI comprising a protective housing containing, (A) a radio configured to power down to conserve energy and to power up in response to receipt of a wired electronic signal, the radio comprising a first receiver and a first transmitter, (B) a wake-up transceiver comprising a second transmitter and a second receiver, the wake-up transceiver configured to, (1) screen radio frequency broadcasts, received by the second receiver, for specific data therein that identifies the radio frequency broadcast as a wake-up signal, (2) provide the wired electronic signal to the radio in order to power up the radio upon receipt, by the second receiver, of a wake-up signal, and (3) transmit radio frequency broadcasts, using the second transmitter, that include specific data therein that identifies the radio frequency broadcasts as wake-up signals, and (B) a power source configured to power at least one of the radio and the wake-up transceiver, (C) wherein the second receiver of the wake-up transceiver is configured to draw less current than the first receiver of the radio while screening radio frequency broadcasts for specific data therein that identifies the radio frequency broadcast as a wake-up signal, and (D) wherein the second transmitter of the wake-up transceiver is configured to draw less current than the first transmitter of the radio when transmitting radio frequency broadcasts that include specific data therein that identifies the radio frequency broadcasts as wake-up signals, and (ii) at least one sensor with which the RSI is configured to receive data for transmitting from the shipping container to a network external to the shipping container, the sensor configured to acquire data pertaining to at least one of an environmental characteristic, status, and geographical location of the shipping container; (b) gateways configured to transmit wakeup signals to the respective RSIs of the shipping containers for communications therewith, each gateway further configured to communicate over at least one of the Internet, a cellular network, and a satellite network; and (c) a server configured to communicate with each gateway over at least one of the Internet, a cellular network, and a satellite network for receiving and processing sensor acquired data from the shipping containers communicated by the RSIs, whereby at least one of an environment characteristic, status, and geographical location of each shipping container may be remotely monitored. - View Dependent Claims (20)
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Specification