Power saving device
AssigneeNDS Limited
InventorsIan Bastable, Bijal Shah, Peter Yaxley
Life of this patent
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Abstract
A power saving device is described that is disposed in use between a further device and a mains power supply for supplying power to the further device. The power saving device includes: a communications channel input connected in operation to a communications channel output of the further device. The communications channel input is operable to receive control instructions from the further device. The power saving device also includes: a switch for disconnecting the further device from the mains power supply in response to the control instructions received from the further device; and an internal power source operable to provide power to the power saving device.
Claims22
1-23. (canceled)
A power saving device disposed in use between a digital television set top box and a mains power supply for supplying power to said set top box, said power saving device comprising:
- a communications channel input connected in operation to a communications channel output of said set top box, wherein said communications channel input is operable to receive control instructions from said set top box in response to a request from a user of said set top box to place said set top box into a standby mode;
- a switch for disconnecting said set top box from said mains power supply in response to said control instructions received from said set top box;
- a signal receiver operable to receive signals from an external supplier, said signals initiating the reconnection of said set top box to said mains power supply and the powering up of said set top box;
- and
- an internal power source operable to provide power to said power saving device.
An apparatus for power saving disposed in use between a digital television set top box and a mains power supply for supplying power to said set top box, said power saving device comprising:
- communications channel input means connected in operation to communications channel output means of said set top box, wherein said communications channel input means are for receiving control instructions from said set top box in response to a request from a user of said set top box to place said set top box into a standby mode;
- switching means for disconnecting said set top box from said mains power supply in response to said control instructions received from said set top box;
- signal receiving means for receiving signals from an external supplier, said signals initiating the reconnection of said set top box to said mains power supply and the powering up of said set top box;
- and
- internal power means for powering said power saving device.
A method of operating a power saving device, said power saving device being disposed in use between a digital television set top box and a mains power supply for supplying power to said set top box, said method comprising the steps of:
- receiving control instructions from said set top box in response to a request from a user of said set top box to place said set top box into a standby mode;
- responsive to said control instructions, disconnecting said set top box from said mains power supply;
- receiving signals from an external supplier;
- and
- responsive to said signals, initiating the reconnection of said further device to said mains power supply and the powering up of said further device.
Dependencies are inferred from the claim text.