Device with passive receiver
First Claim
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1. A wireless communications apparatus, comprising:
- (a) a wake-up receiver adapted to receive a wake-up signal over a secondary network;
(b) an initially powered-off, sleeping wireless communications transceiver communicating over a primary network and adapted to be powered on by the wake-up receiver when the wake-up receiver receives the wake-up signal;
(c) wherein the wake-up receiver receives data other than the wake-up signal; and
(d) wherein the data is an activation signal causing the secondary network to take over the function of the primary network.
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Abstract
A wireless communications apparatus includes a wake-up receiver adapted to receive a wake-up signal and an initially powered-off, sleeping wireless communications transceiver. When the wake-up receiver receives the wake-up signal, it can in turn power on the wireless communications transceiver. In another aspect, the invention includes an apparatus for sending a wake-up signal to the wake-up receiver. The wake-up transmitter and the wake-up receiver can communicate via a variety of wireless communications protocols, including the BLUETOOTH™ standard.
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Citations
23 Claims
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1. A wireless communications apparatus, comprising:
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(a) a wake-up receiver adapted to receive a wake-up signal over a secondary network; (b) an initially powered-off, sleeping wireless communications transceiver communicating over a primary network and adapted to be powered on by the wake-up receiver when the wake-up receiver receives the wake-up signal; (c) wherein the wake-up receiver receives data other than the wake-up signal; and (d) wherein the data is an activation signal causing the secondary network to take over the function of the primary network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification