Power supply management system of set top box
A technology of power management system and set-top box, which is applied in electrical components, image communication, selective content distribution, etc., can solve the problems of power consumption, waste of power, performance loss of set-top box, etc., and achieve the effect of saving power
Active Publication Date: 2013-09-25
AMBIT MICROSYSTEMS (SHANGHAI) LTD
View PDF5 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
However, since the existing set-top box power management system cannot control the work of each signal receiver and tuner
Other signal receivers and tuners also consume power when not in use
This not only wastes power, but also causes a great loss to the performance of the set-top box.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0037] The display provided by the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0038] see figure 1 , the set-top box power management system 100 that the embodiment of the present invention provides, it comprises at least two signal receivers 10, at least two tuners 20, a demodulator 30, at least two switches 40, a signal detector 50 and a control device 60.
[0039] The at least two signal receivers 10 are respectively used to receive radio frequency signals transmitted by various channels, and the radio frequency signals can be used for playback or video recording. In this embodiment, the at least two signal receivers include a first signal receiver 11 and a second signal receiver 12 . The radio frequency signal received by the first signal receiver 11 is used for playback. The radio frequency signal received by the second signal receiver 12 is used for video recording.
[0040] In this embodiment, the at l...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention provides a power supply management system of a set top box. The power supply management system comprises at least two signal receivers, at least two tuners and a demodulator, at least two switches, a signal detector and a controller; the at least two signal receivers are respectively electrically connected with the at least two tuners; the at least two tuners are electrically connected with the demodulator; the at least two switches are electrically connected with a power supply; the controller is respectively connected with the signal detector and the at least two switches; the signal detector is electrically connected with the at least two signal receivers; the signal detector is used for respectively detecting whether the at least two signal receivers have input radio-frequency signals and transmitting the detection result to the controller; when the signal detector detects that one of the signal receivers has no input radio-frequency signal, the controller controls the corresponding switch to be switched off according to the detection result of the signal detector, thereby cutting off the working power supply of the corresponding tuner. The power supply management system of the set top box can be used for saving electric energy.
Description
technical field [0001] The invention relates to a power management system, in particular to a set-top box power management system. Background technique [0002] To watch digital TV, a set-top box must be installed to receive digital TV signals. A set-top box generally includes multiple signal receivers and multiple tuners. The plurality of tuners are correspondingly electrically connected to the plurality of signal receivers. In most cases, a user generally does not record a program of another channel while watching a TV program of one channel, or watches a TV program of another channel while recording a TV program of one channel. Therefore, in this case, only one channel program is watched or recorded at the same time, and only one signal receiver and one tuner are required to work. However, because the existing set-top box power management system cannot control the work of each signal receiver and tuner. Other signal receivers and tuners also consume power when not in ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/41H04N21/443
Inventor 陈涛刘安
Owner AMBIT MICROSYSTEMS (SHANGHAI) LTD