CN103856333B - May indicate that the Ethernet device and indicating means of state - Google Patents
May indicate that the Ethernet device and indicating means of state Download PDFInfo
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- CN103856333B CN103856333B CN201210508193.2A CN201210508193A CN103856333B CN 103856333 B CN103856333 B CN 103856333B CN 201210508193 A CN201210508193 A CN 201210508193A CN 103856333 B CN103856333 B CN 103856333B
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- 230000005611 electricity Effects 0.000 claims description 10
- 230000007812 deficiency Effects 0.000 claims description 5
- 239000003086 colorant Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910018095 Ni-MH Inorganic materials 0.000 description 1
- 229910018477 Ni—MH Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
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Abstract
A kind of indicating means includes：Whether detecting has connecting interface to connect terminal device；When no connecting interface connects terminal device, control indicating member does not produce configured information；When judging to have connecting interface to connect terminal device, whether the connection for continuing to detect the terminal device is effective；When connecting invalid, control indicating member produces the first configured information；When connecting effective, the dump energy of power module is obtained, and judge whether the power module can be an at least power terminal equipment according to the dump energy；If not, controlling the indicating member to produce the second configured information；If it is, controlling the indicating member to produce the 3rd configured information.The present invention also provides a kind of Ethernet device that may indicate that state, by the Ethernet device and indicating means, may indicate that multiple power supply status and connection status.
Description
Technical field
The present invention relates to a kind of Ethernet device, more particularly to a kind of Ethernet device that may indicate that state and instruction side
Method.
Background technology
At present, POE（POE, Power over Ethernet）Technology be popular known, the Ethernet
Power supply refers to the ethernet devices such as router, interchanger and hub and some IP terminals（As IP telephone machine, WLAN connect
Access point AP, web camera etc.）While connecting and transmit data-signal, moreover it is possible to for those terminals provide dc source.However,
Existing ethernet device indicates power supply with not power supply state when being only capable of by way of hardware electricity with power-off, it is impossible to be prompted to
User's more information.
The content of the invention
In view of this, there is provided a kind of Ethernet device and indicating means that may indicate that state, various power supply shapes can be indicated
State and link information.
A kind of Ethernet device that may indicate that state, power module, some connecting interfaces, some connecting interfaces are used to connect
Corresponding terminal device is connect, wherein, the Ethernet device also includes indicating member, processing unit, PMU.The treatment
Unit is connected with the indicating member, for controlling indicating member to produce configured information.The PMU and the power module,
Some connecting interfaces and processing unit are all connected with, and are that the processing unit is powered and one for managing the power supply of power module
When connecting interface is connected with terminal device, for the terminal device provides electric energy.Wherein, the PMU is additionally operable to detecting electricity
The current dump energy of source module, the processing unit obtains the dump energy that the PMU is detected, and judges the power supply
The quantity of the terminal device that the dump energy of module can power；The processing unit can only in the dump energy for judging power module
When being the power terminal equipment equal to or less than, the indicating member is controlled to produce the first configured information；The processing unit
When the dump energy for judging power module can power for multiple terminal devices, the indicating member is controlled to produce second to indicate letter
Breath.
A kind of Ethernet device that may indicate that state, power module, some connecting interfaces, some connecting interfaces are used to connect
Corresponding terminal device is connect, wherein, the Ethernet device also includes indicating member, connection detecting unit, processing unit and electricity
Source control unit.The connection detecting unit, the connection status for detecting connecting interface and terminal device.Processing unit refers to this
Show unit and connection detecting unit connection, for controlling indicating member to produce configured information.PMU, with the power supply
Module, some connecting interfaces, connection detecting unit and processing unit are all connected with, and are this for managing the power supply of power module
Processing unit and connection detecting unit are powered and when a connecting interface is connected with terminal device, for the terminal device provides electricity
Energy.Wherein, when connection detecting unit detects no connecting interface connection terminal device, then processing unit controls the indicating member
Configured information is not produced, when the connection detecting unit has detected connecting interface connection terminal device, processing unit control
The connection detecting unit continue detect the terminal device connection whether effectively, when the detecting unit detect the connection it is invalid when,
The processing unit controls the indicating member to produce the first configured information.
A kind of indicating means, including step：Detect the dump energy of power module；Obtain detected dump energy, root
The quantity of the terminal device that the power module can power is judged according to the dump energy；When the terminal that judge power module and can power sets
When standby quantity is less than or equal to one, control indicating member produces the first configured information；When judging the end that power module can power
When the quantity of end equipment is for multiple, control indicating member produces the second configured information；Set to be connected to the terminal of connecting interface
During standby offer electric energy, acquisition is currently exported to total output electric energy of those terminal devices；According to total output electric energy and this is surplus
Whether remaining electric energy judges the utilization rate of the power module and judges the utilization rate less than predetermined value；The utilization rate is predetermined not less than this
Value, then control the indicating member to produce the 3rd configured information；If judging, the utilization rate, less than the predetermined value, controls the instruction list
Unit produces the 4th configured information.
A kind of indicating means, including step：Whether detecting has connecting interface to connect terminal device；When judging that no connection connects
During mouth connection terminal device, control indicating member does not produce configured information；When judging to there is connecting interface to connect terminal device, after
Whether the continuous connection for detecting the terminal device is effective；When connecting invalid, control indicating member produces the first configured information；When even
When being connected to effect, the dump energy of power module is obtained, and judge whether the power module can be at least one according to the dump energy
Power terminal equipment；When judging that the power module deficiency thinks a power terminal equipment, the indicating member is controlled to produce the
Two configured informations；Judge the power module can at least one power terminal equipment when, control the indicating member produce
3rd configured information.
The Ethernet device and indicating means that may indicate that state of the invention, may indicate that multiple power supply status and connection shape
State.
Brief description of the drawings
Fig. 1 be first embodiment of the invention in may indicate that state Ethernet device functional block diagram.
Fig. 2 be second embodiment of the invention in may indicate that state Ethernet device functional block diagram.
Fig. 3 is the flow chart of indicating means in first embodiment of the invention.
Fig. 4 is the flow chart of indicating means in second embodiment of the invention.
Main element symbol description
| Ethernet device | 100、100' |
| Terminal device | 200 |
| Power module | 10 |
| PMU | 20 |
| Connecting interface | 30 |
| Processing unit | 40 |
| Indicating member | 50 |
| Connection detecting unit | 60 |
| Step | S301~S308；S401~S407 |
Following specific embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
Specific embodiment
Fig. 1 is referred to, to may indicate that the functional block diagram of the Ethernet device 100 of state.The Ethernet device 100 includes
Power module 10, PMU 20, some connecting interfaces 30, processing unit 40 and indicating member 50.
The power module 10 is used to provide power supply, and the PMU 20 is connected with the power module 10, for managing
The power supply of the power module 10 offer simultaneously distributes to consuming components.In the present embodiment, if the PMU 20 with should
Involvement connection interface 30, processing unit 40 and indicating member 50 are all connected with, and some are connect to this for providing suitable voltage
Mouth 30, processing unit 40 and indicating member 50.Some connecting interfaces 30 are used to connect different types of terminal device respectively
200, such as terminal device such as IP telephone machine, wireless local network connecting point AP, web camera.So as to when a certain connecting interface
During 30 one terminal device 200 of connection, the PMU 20 distributes suitable voltage and is the terminal to the connecting interface 30
Equipment 200 is powered.
The PMU 20 is additionally operable to detect the current dump energy of power module 10.The processing unit 40 is somebody's turn to do
The dump energy that PMU 20 is detected, the dump energy for judging the power module 10 can be the terminal device that can be powered
200 quantity.The processing unit 40 is only the terminal equal to or less than in the dump energy for judging power module 10
When equipment 200 is powered, control the indicating member 50 to produce the first configured information, can be in the dump energy for judging power module 10
When multiple terminal devices 200 are powered, the indicating member 50 is controlled to produce the second configured information.
Wherein, in the present embodiment, the PMU 20 is provided by connecting interface 30 to terminal device 200
Electric energy is equal, that is, the power consumption values of terminal device are equal, for example, is 13W（Watt）.Prestore the terminal in the processing unit 40
The power consumption values of equipment, and the dump energy of the power module 10 is compared with the power consumption values and is judged the dump energy and is available for
The quantity of the terminal device 200 of electricity.Wherein, in the present embodiment, the electric energy and power consumption values are performance number.
Wherein, the PMU 20 is obtained also when electric energy is provided to be connected to the terminal device 200 of connecting interface 30
Obtain and currently export to total output electric energy of those terminal devices 200.The processing unit 40 obtains total output electric energy and the electricity
The current dump energy of source module 10, the electric energy profit of the power module 10 is judged according to total output electric energy and the dump energy
With rate.The processing unit 40 is also judging the utilization rate more than a predetermined value（Such as 70%）When control the indicating member 50 to produce
3rd configured information, when judging that the utilization rate is less than the predetermined value, controls the indicating member 50 to produce the 4th configured information.Its
In, the utilization rate is equal to the ratio of total output electric energy and the dump energy.
In the present embodiment, the indicating member 50 is a light emitting diode, a for example, AlGaInP (AlGaInP)
Light emitting diode, can be according to the light of the different generation different colours of the size of the electric current for flowing through.In the present embodiment, this refers to
Show that unit 50 is also connected with the PMU 20.The processing unit 40 controls the PMU 20 to export correspondingly sized
Electric current to the indicating member 50, and cause that the indicating member 50 sends the light of respective color.Specifically, it is well known that luminous
The wavelength of the light that diode sends is inversely proportional with the size for flowing through the LED current, for example, with flow through this luminous two
The increase of pole pipe electric current, the light emitting diode shows the color such as red, orange, yellow, green successively.In the present embodiment, this first,
2nd, the three, the 4th configured informations are respectively and send red, orange, yellow, green color light.
The processing unit 40 sets in the terminal that the dump energy for judging power module 10 is only equal to or less than
During standby 200 power supply, control PMU 20 exports the first current value and causes that it sends red color to the indicating member 50
Light, when the dump energy for judging power module 10 can power for multiple terminal devices 200, control the PMU 20
A second larger current value is exported to indicating member 50 so that the indicating member 50 sends the light of orange color.The processing unit
40 are also judging the utilization rate more than a predetermined value（Such as 70%）When control the PMU 20 export one the bigger the 3rd
Current value to indicating member 50 makes the light that it sends yellow color.The processing unit 40 is judging the utilization rate less than the predetermined value
When, control the PMU 20 to export fourth current value bigger compared to the 3rd current value makes it to indicating member 50
Send the light of green color.
Wherein, the power module 10 is the batteries such as lithium battery, Ni-MH battery.
In other embodiments, the indicating member 50 is a display screen, first, second, third, fourth configured information
Can be the display contents such as word or pattern.The processing unit 40 directly control the indicating member 50 show this first, second, the
3rd, the 4th configured information.
Fig. 2 is referred to, is the functional module of the Ethernet device 100' that state is may indicate that in second embodiment of the invention
Figure.In the present embodiment, Ethernet device 100' includes power module 10, PMU 20, some connecting interfaces
30th, processing unit 40, indicating member 50 and connection detecting unit 60.Identical with first embodiment, the power module 10 is used
In power supply is provided, the PMU 20 is connected with the power module 10, the power supply for managing the power module 10 offer
And distribute to consuming components.In the present embodiment, the PMU 20 and some connecting interfaces 30, processing unit 40
And indicating member 50 is all connected with, for providing suitable voltage to some connecting interfaces 30, processing unit 40 and indicating
Unit 50.Some connecting interfaces 30 are used to connect different types of terminal device 200, such as IP telephone machine, wireless office respectively
The terminal devices such as domain net access point AP, web camera.So as to, when a certain connecting interface 30 connects a terminal device 200, should
It is that the terminal device 200 is powered that PMU 20 distributes suitable voltage to the connecting interface 30.
The connection detecting unit 60 is all connected with some connecting interfaces 30 and processing unit 40, for detecting each company
The connection status of connection interface 30.The processing unit 40 controls the instruction according to the connection status that the connection detecting unit 60 is detected
Unit 50 produces corresponding prompt message.
Wherein, when connecting detecting unit 60 and detecting the connection terminal device 200 of no connecting interface 30, then processing unit 40
The indicating member 50 is not controlled to produce configured information.Set when the connection detecting unit 60 has detected the connection of connecting interface 30 terminal
When standby 200, the processing unit 40 control the connection detecting unit 60 continue to detect the connection of the terminal device 200 whether effectively/
Success, when the connection detecting unit 60 detect the connection it is invalid when, the processing unit 40 control the indicating member 50 produce first
Configured information.
When the connection detecting unit 60 detect the connection it is effective when, the processing unit 40 control the PMU 20 obtain
Take the current dump energy of the power module 10 and judged whether according to the dump energy can be at least one terminal device 200 be supplied
Electricity.The processing unit 40 also when judging that the deficiency of power module 10 thinks that a terminal device 200 is powered, controls the instruction list
Unit 50 produces the second configured information, and the processing unit 40 can be at least one terminal device also the power module 10 is judged
During 200 power supply, the indicating member 50 is controlled to produce the 3rd configured information.
Identical with the first embodiment, in the present embodiment, the processing unit 40 prestores a terminal device 200
Power consumption values, and the dump energy of the power module 10 and the power consumption values are compared judge whether the power module 10 can be this
At least one terminal device 200 is powered.
In the present embodiment, the indicating member 50 can equally connect for a light emitting diode and with the PMU 20
Connect, the processing unit 40 control the PMU 20 export different size of electric current produced to the indicating member 50 this
First, second, third configured information.Wherein, it is control electricity that the processing unit 40 controls the indicating member 50 not produce configured information
Source control unit 20 does not output current to the indicating member 50 and so that the indicating member 50 does not light.Obviously, the indicating member
50 are alternatively a display unit, and first, second, third configured information can be the display contents such as word or pattern.The treatment list
Unit 40 directly controls the indicating member 50 to show first, second, third configured information.
In the present invention, this may indicate that the Ethernet device 100 of state is the Ethernets such as router, interchanger and hub
Equipment.
Fig. 3 is referred to, is the indicating means flow chart in first embodiment of the invention.First, PMU 20
Detect the dump energy of power module 10（S301）.Then, what the acquisition of processing unit 40 PMU 20 was detected is surplus
Remaining electric energy, the quantity of the terminal device 200 that the power module 10 can power is judged according to the dump energy（S302）；Specifically,
Prestored the power consumption values of the terminal device in the processing unit 40, and the dump energy of the power module 10 is carried out with the power consumption values
Compare and judge the quantity of the terminal device 200 that the dump energy can power.When processing unit judges that power module 10 can power
Terminal device 200 quantity be less than or equal to one when, control indicating member 50 produce the first configured information（S303）.Work as treatment
When the quantity of the terminal device 200 that unit judges power module 10 can power is for multiple, i.e., when more than one, control indicating member
50 produce the second configured information（S304）.The PMU 20 is also to be connected to the terminal device 200 of connecting interface 30
When providing electric energy, acquisition is currently exported to total output electric energy of those terminal devices 200（S305）.The processing unit 40 is somebody's turn to do
Total output electric energy and the current dump energy of the power module 10, being judged according to total output electric energy and the dump energy should
The utilization rate of power module 10, and judge the utilization rate whether less than predetermined value（S306）.If the processing unit 40 judges the profit
It is not less than with rate, i.e., more than or equal to the predetermined value, then controls the indicating member 50 to produce the 3rd configured information（S307）.If should
Processing unit 40 judges the utilization rate less than the predetermined value, then control the indicating member 50 to produce the 4th configured information（S308）.
Fig. 4 is referred to, is the indicating means flow chart in second embodiment of the invention.First, detecting unit 60 is connected
Whether detecting has connecting interface 30 to connect terminal device 200（S401）.When connection detecting unit 60 judges no connecting interface 30
During connection terminal device 200, the processing unit 40 control indicating member 50 does not produce configured information（S402）.When connection detecting is single
When unit 60 judges to have connecting interface 30 to connect terminal device 200, the connection detecting unit 60 is controlled to continue to detect the terminal device
200 connection whether effectively/success（S403）.When connecting invalid, the control indicating member 50 of processing unit 40 produces first to refer to
Show information（S404）.When connecting effective, processing unit 40 obtains the residue of the power module 10 of the detecting of PMU 20
Electric energy judges whether the power module 10 can be that at least a terminal device 200 is powered（S405）.The processing unit 40 is judging to be somebody's turn to do
When the deficiency of power module 10 thinks that a terminal device 200 is powered, the indicating member 50 is controlled to produce the second configured information
（S406）.The processing unit 40 is controlled also when judging that the power module 10 can power at least one terminal device 200
The indicating member 50 produces the 3rd configured information（S407）.
So as to, the Ethernet device and indicating means that may indicate that state of the invention, may indicate that multiple power supply status and
Connection status, using the teaching of the invention it is possible to provide give user more configured informations.
Claims (13)
1. a kind of Ethernet device that may indicate that state, including power module and some connecting interfaces, some connecting interfaces are used
In the corresponding terminal device of connection, it is characterised in that the Ethernet device also includes：
Indicating member；
Processing unit, is connected with the indicating member, for controlling indicating member to produce configured information；And
PMU, is all connected with, with the power module, some connecting interfaces and processing unit for managing power module
Power supply and be that the processing unit is powered and when a connecting interface is connected with terminal device, for the terminal device provides electric energy；
Wherein, the PMU is additionally operable to detect the current dump energy of power module, and the processing unit obtains the power supply
The dump energy that administrative unit is detected, judges the quantity of the terminal device that the dump energy of the power module can power；It is described
Processing unit controls this to refer to when the dump energy for judging power module is only the power terminal equipment equal to or less than
Show that unit produces the first configured information；The processing unit can be supplied in the dump energy for judging power module for multiple terminal devices
When electric, the indicating member is controlled to produce the second configured information.
2. Ethernet device as claimed in claim 1, it is characterised in that the PMU also connects to be connected to connection
When the terminal device of mouth provides electric energy, current output to total output electric energy of those terminal devices, processing unit acquisition is obtained
Total output electric energy and the current dump energy of the power module, being judged according to total output electric energy and the dump energy should
The utilization rate of electrical of power module, the processing unit also controls the indicating member to produce when judging that the utilization rate is more than a predetermined value
Raw 3rd configured information, when judging that the utilization rate is less than the predetermined value, controls the indicating member to produce the 4th configured information.
3. Ethernet device as claimed in claim 2, it is characterised in that the indicating member be a light emitting diode and with the electricity
Source control unit is connected, and the processing unit controls the PMU to export different size of electric current to the indicating member, and
So that the indicating member sends the light of different colours and produces first, second, third, fourth configured information.
4. Ethernet device as claimed in claim 2, it is characterised in that the indicating member is a display unit, this first, the
2nd, the three, the 4th configured informations be word or pattern content, the processing unit control the indicating member directly display this first,
Second, third, the 4th configured information.
5. Ethernet device as claimed in claim 1, it is characterised in that the energy consumption of the terminal device that prestored in the processing unit
Value, and the dump energy of the power module and the power consumption values are compared and the terminal device that the dump energy can power is judged
Quantity.
6. a kind of Ethernet device that may indicate that state, power module, some connecting interfaces, some connecting interfaces are used to connect
Corresponding terminal device, it is characterised in that the Ethernet device also includes：
Indicating member；
Connection detecting unit, the connection status for detecting connecting interface and terminal device；
Processing unit, with the indicating member and be connected detecting unit connection, for control indicating member produce configured information；With
And
PMU, with the power module, some connecting interfaces, be connected detecting unit and processing unit is all connected with, use
It is that the processing unit and connection detecting unit are powered and be connected with end in a connecting interface in the power supply for managing power module
During end equipment, for the terminal device provides electric energy；
Wherein, when connection detecting unit detects no connecting interface connection terminal device, then processing unit controls the instruction list
Unit does not produce configured information, when the connection detecting unit has detected connecting interface connection terminal device, the processing unit control
Make whether effectively the connection detecting unit continues to detect the connection of the terminal device, to detect the connection invalid when the detecting unit
When, the processing unit controls the indicating member to produce the first configured information；
The processing unit the connection detecting unit detect the connection it is effective when, control the PMU to obtain the power supply mould
The current dump energy of block simultaneously judges whether to be at least one power terminal equipment according to the dump energy, and the processing unit is also
When judging that the power module deficiency thinks a power terminal equipment, the indicating member is controlled to produce the second configured information, should
Processing unit also judge the power module can at least one power terminal equipment when, control the indicating member produce the 3rd
Configured information.
7. Ethernet device as claimed in claim 6, it is characterised in that the indicating member be a light emitting diode and with the electricity
Source control unit is connected, and the processing unit controls the PMU to export different size of electric current to the indicating member, and
So that the indicating member sends the light of different colours and produces first, second, third configured information, processing unit control should
PMU does not output current to indicating member, and causes that indicating member does not light without producing the configured information.
8. Ethernet device as claimed in claim 6, it is characterised in that the indicating member is a display unit, this first, the
2nd, the 3rd configured information be word or pattern content, the processing unit control the indicating member directly display this first, second,
3rd configured information.
9. Ethernet device as claimed in claim 6, it is characterised in that the energy consumption of the terminal device that prestored in the processing unit
Value, and the dump energy of the power module and the power consumption values are compared and the terminal device that the dump energy can power is judged
Quantity.
10. a kind of indicating means, the state for indicating the Ethernet device described in claim 1, the method comprising the steps of：
Detect the dump energy of power module；
Detected dump energy is obtained, the quantity of the terminal device that the power module can power is judged according to the dump energy；
When the quantity for judging the terminal device that power module can power is less than or equal to one, control indicating member produces first to refer to
Show information；
When the quantity for judging the terminal device that power module can power is for multiple, control indicating member produces second to indicate letter
Breath；
When electric energy is provided to be connected to the terminal device of connecting interface, acquisition is currently exported to total output of those terminal devices
Electric energy；
Judge the utilization rate of the power module and judge whether the utilization rate is small according to total output electric energy and the dump energy
In predetermined value；
The utilization rate is not less than the predetermined value, then control the indicating member to produce the 3rd configured information；
If judging the utilization rate less than the predetermined value, the indicating member is controlled to produce the 4th configured information.
11. indicating means as claimed in claim 10, it is characterised in that the step " detected dump energy is obtained, according to
The dump energy judges the quantity of the terminal device that the power module can power " be：
The dump energy of the power module is compared with the power consumption values of the terminal device for prestoring and judges that the dump energy can
The quantity of the terminal device of power supply.
A kind of 12. indicating means, the state for indicating the Ethernet device described in claim 6, the method comprising the steps of：
Whether detecting has connecting interface to connect terminal device；
When no connecting interface connection terminal device is judged, control indicating member does not produce configured information；
When judging to have connecting interface to connect terminal device, whether the connection for continuing to detect the terminal device is effective；
When connecting invalid, control indicating member produces the first configured information；
When connecting effective, the dump energy of power module is obtained, and judge that whether the power module may be used according to the dump energy
It is an at least power terminal equipment；
When judging that the power module deficiency thinks a power terminal equipment, the indicating member is controlled to produce second to indicate letter
Breath；
Judge the power module can at least one power terminal equipment when, control the indicating member produce the 3rd instruction
Information.
13. indicating means as claimed in claim 12, it is characterised in that the step " judges the power supply according to the dump energy
Whether module can be an at least power terminal equipment " be：
Whether the dump energy of the power module is compared with the power consumption values of the terminal device for prestoring and power module is judged
It can be an at least power terminal equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210508193.2A CN103856333B (en) | 2012-12-03 | 2012-12-03 | May indicate that the Ethernet device and indicating means of state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210508193.2A CN103856333B (en) | 2012-12-03 | 2012-12-03 | May indicate that the Ethernet device and indicating means of state |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103856333A CN103856333A (en) | 2014-06-11 |
| CN103856333B true CN103856333B (en) | 2017-06-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210508193.2A Active CN103856333B (en) | 2012-12-03 | 2012-12-03 | May indicate that the Ethernet device and indicating means of state |
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| CN (1) | CN103856333B (en) |
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| US20080088180A1 (en) * | 2006-10-13 | 2008-04-17 | Cash Audwin W | Method of load shedding to reduce the total power consumption of a load control system |
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| CN1838206A (en) * | 2005-03-22 | 2006-09-27 | 杭州华为三康技术有限公司 | Method and apparatus for realizing multi-meaning display by seven segment digital tubes |
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| Publication number | Publication date |
|---|---|
| CN103856333A (en) | 2014-06-11 |
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