CN1901315A - Circuit and method for regulating portable device work efficiency according to power converter specification - Google Patents
Circuit and method for regulating portable device work efficiency according to power converter specification Download PDFInfo
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- CN1901315A CN1901315A CN 200610099289 CN200610099289A CN1901315A CN 1901315 A CN1901315 A CN 1901315A CN 200610099289 CN200610099289 CN 200610099289 CN 200610099289 A CN200610099289 A CN 200610099289A CN 1901315 A CN1901315 A CN 1901315A
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- portable device
- power supply
- supply changeover
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Abstract
This invention relates to a circuit and a method for regulating working efficiency of a portable device in terms of supply converter specifications, in which, the voltage of its detection supply converter is corresponding to the output of a supply converter, the voltage of which is compared with a threshold value corresponding to the specification of the supply converter to generate a low potential signal to adjust the working efficiency of the portable device based on the signal or generate an identifying signal based on the specification so as to further adjust the working efficiency of the device.
Description
Technical field
The invention relates to a kind of circuit and method of adjusting portable device, it refers to the circuit and the method for regulating portable device work efficiency according to power converter specification especially.
Background technology
Press, science and technology is more and more progressive now, how semiconductor technology has entered Mi Shidai, make sci-tech product now all ask for stating with light, short and small, therefore the dealer develops various portable devices now, the common people that allow frequent needs go out, can enjoy the facility that science and technology is brought in the Shi Yike that goes out, similarly be notebook computer and personal digital assistant (Personal Digital Assistant, PDA) etc., it is not only easy to carry, and can operate whenever and wherever possible, and makes things convenient for the user to be used for processing transactions or be used for recreational use such as listoning music.The dealer is for the different demands in response to the user now, promptly release multiple difference and state the portable device of asking, its hardware of arranging in pairs or groups is to be not quite similar, therefore it is inequality promptly to cause difference to state the required power specification of the portable device of asking, so the specification of the dissimilar employed power supply changeover devices of portable device is also inequality, for example rated power.
From the above, because the specification of the dissimilar employed power supply changeover devices of portable device is inequality, so if in the common people family when having the multi-section portable device, Chang Rongyi takes power supply changeover device because of the anxious mistake of going out, so promptly may be because the specification that the off-gauge of power supply changeover device is closed portable device, for example the rated power of power supply changeover device is less than the required power of portable device, cause the user in operating process, portable device can't normal operation even the situation of shutdown suddenly, the problem of generation data damage is so easily taken place.
Moreover, when the user when using portable device, if carry out the too big software formula of consumption of natural resource, similarly be 3D recreation, processing 3D image software formula, central processing unit (CPU) test formula or display card test formula, so quite expend the power of portable device, if when carrying out other software formulas more simultaneously, make power supply changeover device can't provide enough power output easily to portable device, and cause influencing the normal operation of portable device, even the situation of above-mentioned unexpected shutdown takes place.
Therefore, the present invention is directed to the problems referred to above and propose a kind of circuit and method of regulating portable device work efficiency according to power converter specification, when the out-put supply specification of power supply changeover device operates required power supply not as good as portable device, can adjust the task performance that reduces portable device, and its circuit production is simple, so can effectively reduce cost is set.
Summary of the invention
Main purpose of the present invention, be to provide a kind of circuit and method of regulating portable device work efficiency according to power converter specification, its in out-put supply specification of power supply changeover device not as good as in the required power specification of portable device the time, can adjust the task performance that reduces portable device, to allow portable device can keep normal operation.
Another object of the present invention, be to provide a kind of circuit and method of regulating portable device work efficiency according to power converter specification, it utilizes easy decision circuitry, when power supply changeover device is inserted in portable device, can judge the out-put supply specification of power supply changeover device by easy decision circuitry, when the out-put supply specification of power supply changeover device during not as good as the required power specification of portable device, can and then adjust the task performance that reduces portable device, reduce the purpose that cost is set to reach.
The circuit of regulating portable device work efficiency according to power converter specification of the present invention, it mainly comprises a fixed power source, a sensing resistor, a voltage sensing circuit, a switch element and an adjustment unit.Method of the present invention is the voltage that measures the sensing resistor that is arranged at power supply changeover device by voltage sensing circuit, and foundation compares the voltage of sensing resistor corresponding to a threshold value of the specification of power supply changeover device, and produce a controlling signal to switch element, switch element is conducting according to controlling signal, make the fixed power source that is arranged at portable device be coupled to one with reference to accurate position, and produce an electronegative potential signal, the adjustment unit that is arranged at portable device then can receive the electronegative potential signal, and according to the corresponding task performance of adjusting this portable device of electronegative potential signal.
In addition, circuit of the present invention and method, also can produce circuit by an identifying signature, specification according to the power supply changeover device of portable device, produce a corresponding identifying signature, adjustment unit will be judged the specification of power supply changeover device according to identifying signature, if the out-put supply specification of power supply changeover device is not as good as when the required power specification of portable device, adjustment unit will and then be adjusted the task performance of portable device.
According to the present invention, not as good as in the required power specification of portable device the time, can adjust the task performance that reduces portable device, to allow portable device can keep normal operation in the out-put supply specification of power supply changeover device.And its circuit production is simple, so can effectively reduce cost is set.
Description of drawings
Fig. 1 is the circuit diagram of a preferred embodiment of the present invention;
Fig. 2 is the circuit diagram of another preferred embodiment of the present invention;
Fig. 3 is the flow chart of a preferred embodiment of the present invention;
Fig. 4 is the circuit diagram of another preferred embodiment of the present invention;
Fig. 5 is the table of comparisons of Fig. 4 embodiment of the present invention;
Fig. 6 is the circuit diagram of another preferred embodiment of the present invention;
Fig. 7 is the flow chart of another preferred embodiment of the present invention;
Fig. 8 is the circuit diagram of another preferred embodiment of the present invention;
Fig. 9 is the table of comparisons of Fig. 8 embodiment of the present invention.
The figure number explanation
10 power supply changeover devices, 12 sensing resistor
14 voltage sensing circuits, 16 switch elements
18 with reference to accurate position 19 identification resistance
100 coding units, 20 portable devices
22 fixed resistances, 24 electric capacity
26 adjustment units, 28 analog/digital converting units
29 comparators, 200 decoding units
Embodiment
Further understand and understanding for the auditor is had architectural feature of the present invention and the effect reached, sincerely help with preferred embodiment and cooperate detailed explanation, illustrate as after:
Circuit of the present invention and method, be to apply to portable devices such as notebook computer or personal digital assistant, when the out-put supply off-gauge of power supply changeover device is closed the required power specification of portable device, can adjust the task performance of portable device, to allow the portable device still can normal operation by this power supply changeover device.
See also Fig. 1, it is the circuit diagram of a preferred embodiment of the present invention.As shown in the figure, circuit of the present invention mainly comprises a sensing resistor 12, a voltage sensing circuit 14, a switch element 16, a fixed power source (Vcc) and an adjustment unit 26.Sensing resistor 12 is arranged at the output of the power supply changeover device 10 of portable device 20.Voltage sensing circuit 14 coupled in parallel are in sensing resistor 12, voltage sensing circuit 14 has a threshold value, threshold value can be magnitude of voltage and corresponding to the specification of power supply changeover device 10, rated power for example, and threshold value can be the pairing magnitude of voltage of 90%-98% of the rated power of power supply changeover device 10.
Fixed power source (Vcc), it is arranged at portable device 20, fixed power source (Vcc) is coupled with a fixed resistance 22, fixed resistance 22 more couples with an end of an electric capacity 24, the other end of electric capacity 24 is coupled to the accurate position 18 of reference of portable device 20, and above-mentioned fixed power source (Vcc) can be fixed voltage.Adjustment unit 26, it is arranged at portable device 20 and is coupled with an analog/digital converting unit 28, and analog/digital converting unit 28 is coupled to the end that couples of fixed resistance 22 and electric capacity 24.When power supply changeover device 10 is inserted in portable device 20, switch element 16 will be coupled to the end that couples of fixed resistance 22 and electric capacity 24, so fixed power source (Vcc) then is coupled to switch element 16 via fixed resistance 22.If voltage sensing circuit 14 is the voltage and the threshold value of sensing resistor 12 relatively, and when sending controlling signal to switch element 16 and ordering about switch element 16 conductings, will produce an electronegative potential signal, it is because after switch element 16 receives controlling signal, switch element 16 can be from switching to conducting (ON) state by (OFF) state, make fixed power source (Vcc) just as being coupled to, therefore will produce the electronegative potential signal with reference to accurate position 18.
Accept above-mentioned, analog/digital converting unit 28 can be a corresponding digital signals and be sent to adjustment unit 26 by conversion electronegative potential signal, adjustment unit 26 will be adjusted the task performance of portable device 20 according to the digital signals that is received, to reduce the consumed power of portable device 20, allow the task performance of portable device 20 maintain the rated power that meets power supply changeover device 10, and avoid taking place portable device 20 situation of shutdown suddenly.Above-mentioned adjustment unit 26 can be an embedded control unit.The electric capacity 24 that aforementioned fixation resistance 22 is coupled is when being used to filter power supply changeover device 10 and being inserted in portable device 20, the noise that is produced.
See also Fig. 2, it is the circuit diagram of another preferred embodiment of the present invention.As shown in the figure, the difference of the embodiment of present embodiment and Fig. 1 is that the portable device 20 of present embodiment is not provided with analog/digital converting unit 28 and is provided with a comparator 29, and comparator 29 is coupled to an adjustment unit 26 and a reference voltage (Vref).When power supply changeover device 10 is inserted in portable device 20, comparator 29 will couple with switch element 16.When switch element 16 produces the electronegative potential signal according to the controlling signal conducting of voltage sensing circuit 14, comparator 29 will receive the electronegative potential signal and compare with reference voltage (Vref), to produce a trigger signals and to be sent to adjustment unit 26,26 of adjustment units can be according to the task performance of trigger signals and then adjustment portable device 20.
Above-mentioned, the reference voltage of comparator 29 can be 0.5 volt, when electronegative potential signal during less than 0.5 volt, comparator 29 just sends trigger signals to adjustment unit 26, so if switch element 16 is not during conducting, because fixed power source (Vcc) will not be high potential so be coupled to the voltage signal that is received with reference to accurate position 18 comparators 29, so adjustment unit 26 promptly can not send trigger signals to adjustment unit 26.Above-mentioned comparator 29 sends trigger signals to adjustment unit 26, is that (General Purpose Input GPI), and then drives the task performance that adjustment unit 26 is adjusted portable device 20 to a general input that is sent to adjustment unit 26.
See also Fig. 3, it is the flow chart of a preferred embodiment of the present invention.The method of this embodiment is execution in step S10 at first, provides fixed power source in portable device; Afterwards, when power supply changeover device plugs to portable device, then by voltage sensing circuit execution in step S12, the voltage of sensing power supply changeover device, the voltage of sensing sensing resistor just, this voltage is corresponding to the output of power supply changeover device; Then, the voltage sensing circuit execution in step S14 that continues is according to the threshold value comparative voltage corresponding to the specification of power supply changeover device, if voltage exceeds threshold value and then produces controlling signal and transfer to switch element.
Subsequently, switch element will promptly shown in step S16, according to extremely reference standard of controlling signal conducting fixed power source position, and produce the electronegative potential signal according to the controlling signal conducting; At last, adjustment unit according to the electronegative potential signal, is adjusted the task performance of portable device shown in step S18.Among this step S18, can be corresponding digital signals and be sent to adjustment unit by analog/digital converting unit conversion electronegative potential signal, allow adjustment unit adjust the task performance of portable device according to digital signals, perhaps compare the electronegative potential signal according to reference voltage by comparator, and produce trigger signals and be sent to adjustment unit, adjust the task performance of portable device to order about adjustment unit, so can avoid the adjustment unit erroneous judgement.
See also Fig. 4, it is the circuit diagram of another preferred embodiment of the present invention.The circuit of this embodiment mainly comprises an identifying signature and produces circuit and adjustment unit 26, and identifying signature produces circuit and comprises an identification resistance 19, fixed power source (Vcc) and fixed resistance 22.This embodiment is that with the foregoing description difference this embodiment produces the specification generation corresponding identifying signature of circuit according to power supply changeover device 10 by identifying signature, judge the specification of power supply changeover device 10 according to identifying signature for adjustment unit 26, and then can adjust the task performance of portable device 20.Identification resistance 19 is arranged at the power supply changeover device 10 of portable device 20, and the resistance value of the identification resistance 19 that the power supply changeover device of different size 10 is set is inequality, and an end of identification resistance 19 couples mutually with the accurate position 18 of the reference of power supply changeover device 10.Fixed power source (Vcc) is arranged at portable device 20, fixed power source (Vcc) is an end that is coupled to fixed resistance 22, fixed power source (Vcc) can be fixed voltage, the other end of fixed resistance 22 then is coupled to an end of electric capacity 24, and the other end of electric capacity 24 then couples the accurate position 18 of reference of portable device 20.Adjustment unit 26 is coupled with analog/digital converting unit 28, and analog/digital converting unit 28 is coupled to the end that couples of fixed resistance 22 and electric capacity 24.
When power supply changeover device 10 is plugged in portable device 20 power supplies, fixed resistance 22 will couple mutually with identification resistance 19.At this moment, couple mutually with fixed resistance 22 because of debating knowledge resistance 19, so will constitute bleeder circuit, end that will couple mutually in identification resistance 19 and fixed resistance 22 like this, produce identifying signature, be the magnitude of voltage of fixed power source (Vcc) transmission power supply to identification resistance 19, see also Fig. 5, it is according to different identification resistance 19, the table of comparisons of the different identifying signatures that produced, the present invention is provided with the identification resistance 19 of different resistance values because of the power supply changeover device 10 in different size, so when the power supply changeover device 10 of different size is inserted in portable device 20, will produce the identifying signature of different magnitudes of voltage.
This embodiment is corresponding numerical digit identifying signature and is sent to adjustment unit 26 by the identifying signature of analog/digital converting unit 28 transformational analogies, so, behind the identifying signature that the analog/digital converting unit 28 that receives adjustment unit 26 is transmitted, can judge further whether the specification of power supply changeover device 10 meets portable device 20 required specifications according to identifying signature, as when not meeting, adjustment unit 26 promptly can be adjusted the task performance of portable device 20, to allow portable device 20 still can not meet the power supply changeover device 10 times of required specification, keep normal operation to avoid taking place portable device 20 situations of shutdown suddenly in use.
See also Fig. 6, it is the circuit diagram of another embodiment of the present invention.The embodiment that this embodiment is different from Fig. 5 is that it is a coding unit 100 that the identifying signature of this embodiment produces circuit, it is arranged at power supply changeover device 10, coding unit 100 produces identifying signature according to the specification of power supply changeover device 10 coding, that is to say that the identifying signature that the coding unit 100 of the power supply changeover device 10 of different size is produced will be different.When power supply changeover device 10 is inserted in portable device 20, coding unit 100 will couple mutually with a decoding unit 200 that is arranged on portable device 20, and produce identifying signature and be sent to decoding unit 200, decoding unit 200 this identifying signature of will decoding, produce a corresponding decoding signal and be sent to adjustment unit 26, judge the specification of power supply changeover device 10 for adjustment unit 26, if adjustment unit 26 judges that adjustment unit 26 promptly can be adjusted the task performance of portable device 20 when the off-gauge of power supply changeover device 10 was closed required specification.In addition, decoding unit 200 can be integrated in adjustment unit 26, but adjustment unit 26 direct decoding identifying signatures produce corresponding decoding signal, and judges the specification of this power supply changeover device 10 according to the decoding signal, and then adjusts the task performance of portable device 20.
See also Fig. 7, it is the flow chart of another preferred embodiment of the present invention.When power supply changeover device plugs to portable device, produce the execution in step S20 of circuit elder generation by identifying signature, the specification according to the power supply changeover device of portable device produces identifying signature; Afterwards, be again by adjustment unit execution in step S22, according to the specification of identifying signature judgement power supply changeover device; Then, execution in step S24 according to the specification of power supply changeover device, adjusts the task performance of portable device, if the specification of power supply changeover device not as good as when the required specification of portable device, then downgrades the task performance of portable device.
See also Fig. 8, it is the circuit diagram of another preferred embodiment of the present invention.As shown in the figure, this enforcement is the embodiment in conjunction with Fig. 1, Fig. 2 and Fig. 4, and identification resistance 19 couples mutually with switch element 16.When power supply changeover device 10 is inserted in portable device 20, can be by fixed power source (Vcc) through fixed resistance 22 and identification resistance 19 formed bleeder circuits, and the generation identifying signature, the power supply changeover device 10 pairing identifying signatures of different size are inequality, as shown in Figure 9.The identifying signature that bleeder circuit produced can be converted to corresponding digital signals and be sent to adjustment unit 26 via analog/digital converting unit 28, the identifying signature that adjustment unit 26 can be produced according to analog/digital converting unit 28, and learn the specification of power supply changeover device 10, if the specification of power supply changeover device 10 is during not as good as the required specification of portable device 20, adjustment unit 26 will and then be adjusted the task performance of portable device 20.
Moreover, when the user in using portable device 20 processes, if when carrying out the software formula of consumes resources too, and make the 90%-98% of the power output of power supply changeover device 10 greater than the rated power of power supply changeover device 10, this moment, voltage sensing circuit 14 will send controlling signal to switch element 16, make switch element 16 conductings and produce the electronegative potential signal, compare electronegative potential signal and reference voltage (Vref) through comparator 29 again, produce trigger signals and adjust the task performance of portable device 20 to trigger adjustment unit 26.
In sum, the circuit of regulating portable device work efficiency according to power converter specification of the present invention and method, it is when power supply changeover device is inserted in portable device, produce circuit produces correspondence according to the specification of power supply changeover device identifying signature by identifying signature, to allow adjustment unit judge the specification of power supply changeover device according to identifying signature, the specification of judging power supply changeover device when adjustment unit is then adjusted the task performance of portable device not as good as when the required specification of portable device.Or when power supply changeover device is inserted in portable device and portable device running, measure the voltage of the sensing resistor that is arranged at power supply changeover device by voltage sensing circuit, and foundation compares the voltage of sensing resistor corresponding to the threshold value of the specification of power supply changeover device, and produce controlling signal and transfer to switch element, to order about the switch element conducting, the fixed power source that is arranged at portable device is coupled to reference to accurate position, and producing the electronegative potential signal, adjustment unit then can be according to the corresponding task performance of adjusting portable device of electronegative potential signal.So, can allow portable device keep normal operation.
The above, it only is a preferred embodiment of the present invention, be not to be used for limiting scope of the invention process, the equalization of doing according to the described shape of claim scope of the present invention, structure, feature and spirit changes and modifies such as, all should be included in the interest field of the present invention.
Claims (20)
1, a kind of circuit of regulating portable device work efficiency according to power converter specification is characterized in that, it comprises:
One fixed power source is arranged at this portable device;
One sensing resistor is arranged at this power supply changeover device of this portable device;
One voltage sensing circuit, be coupled to this sensing resistor and have a threshold value, this threshold value is corresponding to the specification of this power supply changeover device, the voltage of this this sensing resistor of voltage sensing circuit sensing, this voltage is corresponding to the output of this power supply changeover device, this voltage sensing circuit according to this threshold value relatively this sensing resistor voltage and produce a controlling signal;
One switch element couples this voltage sensing circuit and with reference to accurate position, and when this power supply changeover device was inserted in this portable device, this switch element received this fixed power source, and conducting produces an electronegative potential signal to this switch element according to this controlling signal;
One adjustment unit is arranged at this portable device, the corresponding task performance of adjusting this portable device according to this electronegative potential signal.
2, circuit as claimed in claim 1, it is characterized in that, this adjustment unit is coupled with an analog/digital converting unit, and this analogy numerical digit converting unit is changed this electronegative potential signal and is a corresponding digital signals, and this adjustment unit receives this digital signals and adjusts the task performance of this portable device.
3, circuit as claimed in claim 1, it is characterized in that, this adjustment unit couples a comparator, this comparator receives this electronegative potential signal and according to a reference voltage this low-voltage signal relatively, produce a trigger signals, this adjustment unit receives this trigger signals and adjusts the task performance of this portable device.
4, circuit as claimed in claim 1 is characterized in that, the specification of this portable device is the rated power of this portable device.
5, circuit as claimed in claim 1 is characterized in that, this threshold value is corresponding to the 90%-98% of the rated power of this power supply changeover device.
6, a kind of method of regulating portable device work efficiency according to power converter specification is characterized in that, its step comprises:
Provide a fixed power source in this portable device;
One voltage of this power supply changeover device of sensing, this voltage is corresponding to the output of this power supply changeover device;
Foundation one threshold value is this voltage relatively, produces a controlling signal, and this threshold value is corresponding to the specification of this power supply changeover device;
According to this controlling signal, this fixed power source to one of conducting produces an electronegative potential signal with reference to accurate position;
According to this electronegative potential signal, adjust the task performance of this portable device.
7, method as claimed in claim 6 is characterized in that, according to this electronegative potential signal, adjusts the step of the task performance of this portable device, more comprises:
Change this electronegative potential signal and be a corresponding digital signals, adjust the task performance of this portable device according to this digital signals.
8, method as claimed in claim 6 is characterized in that, according to this electronegative potential signal, adjusts the step of the task performance of this portable device, more comprises:
Foundation one reference voltage is this electronegative potential signal relatively, produces a trigger signals, adjusts the task performance of this portable device according to this trigger signals.
9, method as claimed in claim 6 is characterized in that, the specification of this portable device is the rated power of this portable device.
10, method as claimed in claim 6 is characterized in that, this threshold value is corresponding to the 90%-98% of the rated power of this power supply changeover device.
11, a kind of circuit of regulating portable device work efficiency according to power converter specification is characterized in that, it comprises:
One identifying signature produces circuit, and the specification according to this power supply changeover device of this portable device produces an identifying signature;
One adjustment unit according to this identifying signature, is judged the specification of this power supply changeover device, and then adjusts the task performance of this portable device.
12, circuit as claimed in claim 11 is characterized in that, this identifying signature produces circuit and comprises:
One fixed power source is arranged at this portable device;
One fixed resistance is arranged at this portable device, and an end of this fixed resistance is coupled to this fixed power source;
One identification resistance, be arranged at this power supply changeover device, the resistance value of this identification resistance is with respect to the specification of this power supply changeover device, this set identification resistance of this power supply changeover device of different size has different resistance values, one end of this identification resistance is coupled to one with reference to accurate position, when this power supply changeover device was inserted in this portable device, the other end of this identification resistance coupled mutually with the other end of this fixed resistance, produces this identifying signature.
13, circuit as claimed in claim 11, it is characterized in that, this adjustment unit is coupled with an analog/digital converting unit, this analogy numerical digit conversion unit this identifying signature of conversion is a corresponding digital signals, this adjustment unit is judged the specification of this power supply changeover device according to this digital signals, and then adjusts the task performance of this portable device.
14, circuit as claimed in claim 11 is characterized in that, this identifying signature produces circuit and comprises:
One coding unit is arranged at power supply changeover device, and this coding unit is according to the specification of this power supply changeover device, and coding produces this identifying signature, judges the specification of this power supply changeover device according to this identifying signature for this adjustment unit.
15, circuit as claimed in claim 14 is characterized in that, this adjustment unit couples a decoding unit, and this identifying signature of this decoding unit decodes produces a corresponding decoding signal, judges the specification of this power supply changeover device for this adjustment unit.
16, circuit as claimed in claim 14 is characterized in that, this adjustment unit this identifying signature of decoding produces a corresponding decoding signal, and judges the specification of this power supply changeover device according to this decoding signal.
17, circuit as claimed in claim 11 is characterized in that, the specification of this portable device is the rated power of this portable device.
18, a kind of method of regulating portable device work efficiency according to power converter specification is characterized in that, its step comprises:
Specification according to this power supply changeover device of this portable device produces an identifying signature;
Receive this identifying signature, judge the specification of this power supply changeover device;
According to the specification of this power supply changeover device, adjust the task performance of this portable device.
19, method as claimed in claim 18 is characterized in that, receives this identifying signature, judges the step of the specification of this power supply changeover device, more comprises:
Change this identifying signature and be a corresponding digital signals, and judge the specification of this power supply changeover device according to this digital signals.
20, method as claimed in claim 18 is characterized in that, the specification of this portable device is the rated power of this portable device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610099289 CN1901315A (en) | 2006-07-25 | 2006-07-25 | Circuit and method for regulating portable device work efficiency according to power converter specification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610099289 CN1901315A (en) | 2006-07-25 | 2006-07-25 | Circuit and method for regulating portable device work efficiency according to power converter specification |
Publications (1)
| Publication Number | Publication Date |
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| CN1901315A true CN1901315A (en) | 2007-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200610099289 Pending CN1901315A (en) | 2006-07-25 | 2006-07-25 | Circuit and method for regulating portable device work efficiency according to power converter specification |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064492A (en) * | 2011-10-24 | 2013-04-24 | 英业达股份有限公司 | Computer with adjustable power switch and power efficiency adjusting method thereof |
| CN103178726A (en) * | 2011-12-21 | 2013-06-26 | 宏碁股份有限公司 | Power adapter and power adapting method |
-
2006
- 2006-07-25 CN CN 200610099289 patent/CN1901315A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064492A (en) * | 2011-10-24 | 2013-04-24 | 英业达股份有限公司 | Computer with adjustable power switch and power efficiency adjusting method thereof |
| CN103064492B (en) * | 2011-10-24 | 2015-06-03 | 英业达股份有限公司 | Computer with adjustable power switch and power efficiency adjusting method thereof |
| CN103178726A (en) * | 2011-12-21 | 2013-06-26 | 宏碁股份有限公司 | Power adapter and power adapting method |
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