CN101393539A - Computer electricity saving method and method for decreasing network camera output current - Google Patents
Computer electricity saving method and method for decreasing network camera output current Download PDFInfo
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- CN101393539A CN101393539A CNA2007101541809A CN200710154180A CN101393539A CN 101393539 A CN101393539 A CN 101393539A CN A2007101541809 A CNA2007101541809 A CN A2007101541809A CN 200710154180 A CN200710154180 A CN 200710154180A CN 101393539 A CN101393539 A CN 101393539A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention discloses a computer, a method for saving electricity for the computer and a method for reducing the output current of a network camera. The computer is electrically connected to the network camera; the computer comprises a driving module, an application module and a resident module; when the network camera is electrically connected to the computer, the driving module initializes the network camera; when the network camera outputs a single to the application module, a signal channel is established; the resident module detects the signal channel; and when the signal channel stops, the resident module controls the driving module to cause the network camera to enter a standby mode.
Description
Technical field
The present invention relates to a kind of electricity saving method, relate in particular to a kind of electricity saving method of network camera.
Background technology
General network camera on the market as webpage video camera (Web Camera), the Internet video camera (Internet Camera) etc., is to connect personal computer by USB, is connected on the network by personal computer again.The network camera of this type includes electronic packages such as camera lens, filter, video sensing assembly, image digitization assembly, image compression.
The network camera of another type is connected network voluntarily then, does not need to pass through computing machine.Network communication protocol can be handled in the built-in IP of the network camera of this type address, similarly is TCP/IP.The network camera of this type connects the mode of network as other network equipment, and has softwares such as web page server, Ftp server, file transmitting to customer end, email client.More high-order type network video camera server then comprises many other attracting functions in addition, similarly is to move detection, alarm I/O and support Email.
Because network camera is accepted extensively by popular at present, therefore how can more effectively save the power supply of network camera, be an important subject under discussion.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of computing machine, can detect the user mode of network camera automatically, makes network camera enter different mode and falls the low-power Mao that disappears.
Another aspect of the present invention is to provide a kind of method of computing machine power saving, can be when not using network camera, and make network camera enter standby mode and fall the low-power Mao that disappears.
Another aspect of the present invention is to provide a kind of method of computing machine power saving, can detect the user mode of network camera automatically, makes network camera enter different mode and falls the low-power Mao that disappears.
Of the present inventionly on the one hand be to provide a kind of method that reduces the network camera output current again, can detect the user mode of network camera automatically, make network camera enter different mode and fall the low-power Mao that disappears.
For achieving the above object, according to one embodiment of the invention, the invention provides a computing machine, be electrically connected to a network camera, this computing machine comprises driver module, application module and resident module.When network camera is electrically connected to computing machine, driver module initialization network camera.Application module is in order to control and driving module.When network camera outputs signal to application module, set up a signaling channel.Resident module is the detection signal channel then, and when signaling channel stopped, the resident module control and driving module was so that network camera enters standby mode.
For achieving the above object, according to another embodiment of the present invention, the invention provides a kind of method of computing machine power saving, at first by driver module initialization network camera, the setting network video camera enters a standby mode then.
And, according to another embodiment of the present invention, the invention provides the method for a computing machine power saving, at first by the above-mentioned network camera of a driver module initialization, and set above-mentioned network camera, enter a standby mode.By an application module, wake above-mentioned network camera up then.Then set up a signaling channel, and, detect above-mentioned signaling channel and whether stop by a resident module.When above-mentioned application module, stop above-mentioned signaling channel, then set above-mentioned network camera, enter a standby mode.
And, for achieving the above object, according to an embodiment more of the present invention, the invention provides the method for a minimizing network camera output current, at first between a driver module and an application module, set up a signaling channel, wherein driver module is for driving the driver module of network camera.One resident module then is provided, and whether the detection signal channel stops.Stop this signaling channel by application module afterwards, and the setting network video camera, a standby mode entered.
According to the foregoing description, computing machine, electricity saving method and the method that reduces the network camera output current can detect the user mode of network camera automatically, Shuai Xiao Mao with the Gong of regulating networks video camera, thereby can reduce unnecessary Gong and Shuai Xiao Mao.
Description of drawings
For above and other objects of the present invention, feature, advantage and embodiment can be become apparent, being described in detail as follows of appended accompanying drawing:
Figure 1 shows that the computing machine and the network camera synoptic diagram of one embodiment of the invention;
Figure 2 shows that the computing machine electricity saving method process flow diagram of one embodiment of the invention;
Figure 3 shows that the computing machine electricity saving method process flow diagram of another embodiment of the present invention;
Figure 4 shows that the minimizing network camera output current method flow diagram of further embodiment of this invention.
Wherein, Reference numeral:
101: computing machine 103: application module
105: resident module 107: driver module
109: signaling channel 111: network camera
113: interface
Embodiment
The computing machine of following examples, electricity saving method and the method that reduces the network camera output current are the states that detects network camera, and each pattern of handover network video camera according to this, make network camera be in suitable pattern and reduce power consumption.
See also Fig. 1, it is depicted as the computing machine and the network camera synoptic diagram of one embodiment of the invention.Network camera 111 is to be electrically connected to computing machine 101 by interface 113.Interface 113 can be a universal sequential bus interface.This computing machine 101 comprises driver module 107, application module 103 and resident module 105.
When network camera 111 was electrically connected to computing machine 101, driver module 107 was in order to initialization network camera 111.Initialization comprises carries out the open and close test to network camera 111, the buffer of network camera 111 is set initial value, to actions such as network camera 111 addressing.When network camera 111 outputs signal to application module 103, can set up signaling channel 109 between application module 103 and the driver module 107, can utilize friendship to hold technology (handshaking) at this and reach.Then resident module 105 is in order to detection signal channel 109.When signaling channel 109 stopped, resident module 105 control and driving module 107 were so that network camera 111 enters standby mode.In the middle of this standby mode, can cut off the power supply of network camera 111, or close the circuit of network camera 111, reduce the output current of network camera 111, to fall the low-power Mao that disappears.
Figure 2 shows that the computing machine electricity saving method process flow diagram of one embodiment of the invention.As shown in Figure 2, after computing machine was electrically connected to network camera, driver module can initialization network camera (step 201).Then, driver module can setting network video camera, make network camera enter standby mode (step 203), reduce output current, the low-power Mao that disappears falls.
See also Fig. 3, it is depicted as the computing machine electricity saving method process flow diagram of another embodiment of the present invention.At first, after computing machine was electrically connected to network camera, driver module can initialization network camera (step 301).Then, driver module meeting setting network video camera makes network camera enter standby mode (step 303).Pass through driver module by application module then, wake network camera (step 305) up.
After waking network camera up, continue between application module and driver module, to set up a signaling channel (step 307), then by network camera, transmit first resolution signal to application module (step 309).When application module receives first resolution signal, can judge whether to downgrade the resolution of network camera.If resolution need downgrade, then application module can require driver module to downgrade the resolution (step 311) of network camera.Then, the webcam chance transmits second resolution to application module (step 313), and notice application module resolution has downgraded to be finished, and wherein the resolution of first resolution signal is higher than the resolution of second resolution signal.In resolution downgrades, network camera can be placed battery saving mode, make not output signal of network camera, reduce network and take the photograph the output current of answering machine and fall the low-power Mao that disappears.
Be noted that especially the output of network camera electric current is about 225 to 250 (mA) milliamperes when utilizing the network camera experiment that 2,000,000 pixels output arranged, and resolution is adjusted to pixel and exported at 480,000 o'clock, electric current is exported about 180 to 200 (mA) milliamperes; In standby mode, because there is not pixel output, then the output of network camera electric current is about 50 to 70 (mA) milliamperes.
See also Fig. 4, it is depicted as the minimizing network camera output current method flow diagram of further embodiment of this invention.At first, after computing machine was electrically connected to network camera, driver module can initialization network camera (step 401).Then, driver module setting network video camera makes network camera enter standby mode (step 403).Afterwards, wake network camera (step 405) by application module up by driver module, and between driver module and application module, set up a signaling channel (step 407), wherein driver module is for driving the driver module of network camera.Resident module is provided then, and whether stops (step 409) by resident module detection signal channel.When application module termination signal channel (step 411), then the setting network video camera enters standby mode (step 413).When network camera is in standby mode, can close the output current of the circuit of network camera with the minimizing network camera.
In addition, when the application module control and driving module is waken network camera (step 405) up, the webcam chance transmits first resolution signal to application module, and whether is downgraded the resolution of network camera by the application module decision.If need resolution decreasing, and resolution downgraded and finished, and then by network camera, transmits one second resolution signal to application module, and notice application module resolution has downgraded to be finished.In resolution downgrades, can make network camera enter battery saving mode, to reduce the output current of this network camera.
According to the foregoing description, computing machine, electricity saving method and the method that reduces the network camera output current can detect the state of network camera, and each pattern of handover network video camera according to this, make network camera be in suitable pattern and reduce power consumption.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; being familiar with those of ordinary skill in the art ought can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. a computing machine is electrically connected to a network camera, it is characterized in that, described computing machine comprises:
One driver module, when described network camera was electrically connected to described computing machine, described driver module was in order to the described network camera of initialization;
One application module in order to control described driver module, when described network camera outputs signal to described application module, is set up a signaling channel; And
One resident module, in order to detect described signaling channel, when described signaling channel stopped, described resident module controls described driver module so that described network camera enters a standby mode.
2. computing machine according to claim 1 is characterized in that, described driver module and described resident module are to be mounted to described computing machine by same installation procedure.
3. computing machine according to claim 1 is characterized in that, when described network camera enters described standby mode, then closes a processor of described network camera, makes described processor stop to handle described image, so as to falling the low-power Mao that disappears.
4. the method for a computing machine power saving, this computing machine is electrically connected to a network camera, it is characterized in that, and the method for described computing machine power saving comprises:
By the described network camera of a driver module initialization;
Set described network camera, enter a standby mode;
By an application module, wake described network camera up;
Between described application module and described driver module, set up a signaling channel;
By described network camera, transmit one first resolution signal to described application module;
Require to adjust the resolution of described network camera by described application module; And
By described network camera, transmit one second resolution signal to described application module.
5. the method for a computing machine power saving, this computing machine is electrically connected to a network camera, it is characterized in that, and the method for described computing machine power saving comprises:
By the described network camera of a driver module initialization;
Set described network camera, enter a standby mode;
By an application module, wake described network camera up;
Set up a signaling channel;
By a resident module, detect described signaling channel and whether stop; And
When described application module, stop described signaling channel, then set described network camera, enter a standby mode.
6. method that reduces the network camera output current, described network camera is electrically connected to a computing machine, it is characterized in that, and the method for described minimizing network camera output current comprises:
Between a driver module and an application module, set up a signaling channel, described driver module is for driving the driver module of described network camera;
One resident module is provided, detects described signaling channel and whether stop;
Stop described signaling channel by described application module; And
Set described network camera, enter a standby mode.
7. the method for minimizing network camera output current according to claim 6 is characterized in that, when described network camera is in described standby mode, the circuit of closing described network camera is to reduce the output current of described network camera.
8. the method for minimizing network camera output current according to claim 6 is characterized in that, also comprises:
By described application module, wake described network camera up;
By described network camera, transmit one first resolution signal to described application module;
Require to adjust the resolution of described network camera by described application module; And
By described network camera, transmit one second resolution signal to described application module.
9. the method for minimizing network camera output current according to claim 8 is characterized in that, when described network camera carries out the resolution adjustment, makes described network camera enter a battery saving mode, to reduce the output current of described network camera.
10. the method for minimizing network camera output current according to claim 6 is characterized in that, described foundation in the signaling channel step used the technology of holding of handing over.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101541809A CN101393539B (en) | 2007-09-19 | 2007-09-19 | Computer electricity saving method and method for decreasing network camera output current |
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| CN2007101541809A CN101393539B (en) | 2007-09-19 | 2007-09-19 | Computer electricity saving method and method for decreasing network camera output current |
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| CN101393539A true CN101393539A (en) | 2009-03-25 |
| CN101393539B CN101393539B (en) | 2012-05-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102640081A (en) * | 2009-12-03 | 2012-08-15 | Lg电子株式会社 | Power control method of gesture recognition device by detecting presence of user |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001222346A (en) * | 2000-02-10 | 2001-08-17 | Toshiba Corp | Computer and computer system and power saving control method |
| US8730230B2 (en) * | 2002-10-19 | 2014-05-20 | Via Technologies, Inc. | Continuous graphics display method for multiple display devices during the processor non-responding period |
| CN1828480A (en) * | 2005-03-01 | 2006-09-06 | 精工爱普生株式会社 | Output system, device management apparatus and program, and output method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102640081A (en) * | 2009-12-03 | 2012-08-15 | Lg电子株式会社 | Power control method of gesture recognition device by detecting presence of user |
| US8723957B2 (en) | 2009-12-03 | 2014-05-13 | Lg Electronics Inc. | Power control method of gesture recognition device by detecting presence of user |
| CN102640081B (en) * | 2009-12-03 | 2015-11-25 | Lg电子株式会社 | By detecting the Poewr control method of the gesture recognition device of the existence of user |
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| CN101393539B (en) | 2012-05-30 |
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