CN100342305C - Mechanism for wireless modem power control - Google Patents
Mechanism for wireless modem power control Download PDFInfo
- Publication number
- CN100342305C CN100342305C CNB02829940XA CN02829940A CN100342305C CN 100342305 C CN100342305 C CN 100342305C CN B02829940X A CNB02829940X A CN B02829940XA CN 02829940 A CN02829940 A CN 02829940A CN 100342305 C CN100342305 C CN 100342305C
- Authority
- CN
- China
- Prior art keywords
- peripherals
- signal
- main process
- process equipment
- antenna
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1632—External expansion units, e.g. docking stations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3281—Power saving in PCMCIA card
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Abstract
The present invention provides a mechanism for providing zero electric control for computer peripherals. The mechanism comprises a switch which is electrically connected with a card detection pin of a host device, and the switch is operated by a retractable antenna of a card; when the retractable antenna is in a retracted position, the switch generates a removal signal to the card detection pin; the removal signal imitates the state that the computer peripheral is removed from the host device so that the operation software of the host device does not supply power to the card. When the switch detects that the retractable antenna is in an extended state, the retractable antenna generates an insertion signal to the card detection pin; the insertion signal informs an operation system of the host device that the card is inserted, and power is to be supplied to the card.
Description
Technical field
The present invention relates generally to the electric power control of computer peripheral, relate in particular to the mechanism that is used to simulate the insertion of pcmcia card and removes the electric power (power) that blocks with the control supply.
Background technology
PCMCIA (Personal Computer Memory Card InternationalAssociation, PCMCIA (personal computer memory card international association)) card is to insert the dedicated slot on the computer equipment or the peripherals of port.Pcmcia card can be the wireless device such as modulator-demodular unit or LAN card.The PCMCIA standard comprises the standard of requirement feature unanimity for PCMCIA developer.
The physics requirements definition of PCMCIA normalized definition the quantity (just, 68), the distribution of stitch, the size of card, the power requirement of card etc. of stitch of connector.These standards have guaranteed that the peripheral cards that satisfies these requirements will can be used for different equipment.For example, the card that meets Type 1 PCMCIA standard can be used for being equipped with notebook computer, PDA, digital camera or any other electronic equipment of PCMCIA groove.
Software requirement guarantees that pcmcia card can insert the distinct device operation of card.For example, the card service provides the interface software requirement that is used to handle the communication between pcmcia card and the computing machine.The fundamental purpose of card service is the type of amount of memory and data on the notice computer card.On the other hand, socket service can also determine that when card is in the slot of computing machine, provides the method for computer access slot and card.Socket service is used to check each PCMCIA groove of computing machine, to determine wherein whether to be inserted with card.
Usually, when the user inserted pcmcia card in the dedicated slot of electronic equipment, whether electronic equipment existed by the special-purpose stitch detecting card of socket service by slot.If detect card, then main process equipment will provide electric power to card.This socket service is activated, and makes pcmcia card plug and play or hot plug as required.Electric power always was supplied to card when the PCMCIA standard was designed so that in being stuck in slot.When card inserts the PCMCIA groove, card will be powered.Can also reduce power supply by the function software of electronic equipment, make it enter park mode pcmcia card.At park mode, card is supplied electric power seldom, to reduce energy consumption.Yet it is impossible stopping power supply fully, and reason is the necessary conducting of some circuit in the card, to determine when card withdraws from park mode.
Often, exist the demand that stops fully the power supply of pcmcia card.For example, if card is the wireless device such as the CDPD radio modem, modulator-demodular unit must cuts out when using aboard to avoid producing and disturb.In addition,, it is cut off the power supply fully, to save the electric weight of battery if block in the Miniature Portable Unit that is used to such as PDA.In the PCMCIA standard, making cut off the power supply the fully unique method of (just, closing) of card is to remove or by the card service aid it is closed from host electronic appliance, and the card service aid is complicated for domestic consumer, and depends on software (OS).In addition, the user only can close card, and can not open card.The user has to from slot to remove card, could switch on again after will block the insertion slot then.
It is inconvenient removing card from host electronic appliance.Usually, the user of card can not recognize that card must be removed, and could close card fully.In case remove, the user must seek one can the safe storage card the place.Pcmcia card is frangible electronic equipment, when must not be by suitable preservation, with protection card when main process equipment uses.Therefore, inconvenient for the user is to have only the card of removal could close card fully.
The present invention is intended to solve above-mentioned defective in the electric power control of PCMCIA by the mechanism that zero power consumption of a kind of pcmcia card is provided.Even the invention enables card to be retained in the main process equipment, also can close card fully.In addition, mechanism of the present invention makes the user just can close or open card by very little effort.In fact, mechanism of the present invention makes the user to control the electric power of supplying with card by non-human act.
Summary of the invention
According to the present invention, provide a kind of to inserting the mechanism such as the zero electric power control of the peripherals of pcmcia card of main process equipment.This mechanism comprises the switch of two card detection stitch that are electrically connected to main process equipment.The regracting antenna operation that this switch can be blocked.Thus, when antenna was in retracted position, switch produced suitable " removal " signal and surveys stitch for card." removal " signal imitation pcmcia card makes the function software of main process equipment not supply electric power to card from the removal of main process equipment.Yet in fact, card need not be removed from main process equipment.On the other hand, when antenna is in when stretching out state, switch will produce " insertion " signal and survey stitch for card." insertion " signalisation main process equipment operating system: card is inserted into, should be to the card power supply.At this on the one hand, the operating system of main process equipment is worked just as card has inserted in the PCMCIA groove.
Switch can be the mechanical switch of position that can the sensing antenna.Therefore, (just, insert in the card) when antenna is in retracted position, switch is set to produce " removal " signal.On the contrary, when antenna when retracted position shifts out, switch is set to produce " insertion " signal.
Whether two stitch that the PCMCIA code requirement is used to card and main process equipment are used to survey pcmcia card and exist.When stitch was access in earth potential by the insertion that blocks, then the operating system of host computer system knew that card is inserted into.In a preferred embodiment of the invention, when antenna is in extended position, switch will be surveyed stitch and be connected to earth potential, thus the insertion of analog card.On the other hand, when antenna was in retracted position, switch was removed earth potential from surveying stitch, thus the removal of analog card, although card is not removed.When the simulation of sensing card is removed, the operating system of main process equipment will be closed the electric power of card.
Should be appreciated that switch can be to be used to make the mechanical micro switch of card detection stitch ground connection or the switch/relay of any other type.Operating system is cheated according to the position of switch, thinks that card is inserted into or is removed.
Description of drawings
With reference to the accompanying drawings, these or other feature of the present invention will become clearer, wherein:
Fig. 1 is the block diagram that electric power controller constructed according to the invention is in " pass " state; And
Fig. 2 is the block diagram that the electric power controller among Fig. 1 is in " opening " state.
Embodiment
With reference now to accompanying drawing,, accompanying drawing only is used to the preferred embodiments of the present invention are described and the present invention is not construed as limiting, Fig. 1 shows the electric power controller that is used for pcmcia card 10 constructed according to the invention, and pcmcia card can be inserted into the PCMCIA groove 12 of principal computer or electronic equipment.PCMCIA groove 12 can be to meet the port of PCMCIA standard or the connection device of other types.Slot 12 is accommodated in the principal computer, is suitable for receiving pcmcia card 10.Whether slot 12 has two and surveys stitch CD1 and CD2, be used for detecting card 10 and exist.More particularly, when card 10 was inserted into slot 12, detection stitch CD1 and CD2 are blocked to drive was low level (ground connection just).Main process equipment detects stitch and is driven to low level, and then the V+ stitch of slot 12 is given in power supply.When card 10 is removed, to survey stitch CD1 and CD2 and be driven to high level, electric power is removed from the V+ stitch.Usually, the operating system of main process equipment is determined the state of stitch CD1 and CD2, and the electric power of V+ stitch is supplied with in control.
The electric power controller of this equipment comprises the stitch CD1 that is connected to card 10 and the switch 14 of CD2.Switch 14 has first lead-in wire 16 that is connected to stitch CD1 and CD2 and is connected to earthy second lead-in wire 18, as depicted in figs. 1 and 2.First lead-in wire 16 is connected to the bar 20 of switch 14, and this bar is offset to normal make-position by the spring (not shown).In normal make-position, bar 20 will contact second lead-in wire 18, as shown in Figure 2.When contact second lead-in wire 18 time, bar 20 will make first lead-in wire, 16 and second lead-in wire 18 be electrically connected, thereby will connect stitch CD1 and CD2 is electrically connected to earth potential.Like this, when switch 14 was in normal make-position, switch 14 will be surveying stitch CD1 and CD2 ground connection, thereby analog card 10 inserts slots 12.Yet, when switch 14 is shown in an open position, surveys stitch CD1 and CD2 and will only be connected to second stitch 16, will not be grounded, thus the removal of analog card 10.Therefore, can come analog card 10 to insert slot 12 and removal from slot 12 by open and close switch 14.
In a preferred embodiment of the invention, switch 14 can be positioned at the position that will open and close switch 14 of moving of regracting antenna 22.More particularly, antenna 22 will slide into extended position (as shown in Figure 2) from retracted position (shown in Fig. 1) in card 10.Antenna 22 slides on track or other suitable shells in blocking in 10.When antenna 22 will be basically not from blocking 10 when protruding, antenna 22 is in retracted position.At extended position, as shown in Figure 2, the major part of antenna 22 is protruded from blocking 10.To understand, at extended position, antenna 22 can be than being in retracted position receiving and transmitting signal better, and reason is, the interference of main process equipment of being inserted card 10 is less.
The stretching out and withdraw and to control the electric power of supplying with card 10 of antenna 22.More particularly, switch 14 is in the card 10, makes when antenna 22 is in retracted position, and the inner 24 places open position with bar 20, as shown in Figure 1.Inner 24 contact levers 20 make to survey and form open circuit between stitch CD1 and CD2 and the ground, thus the removal of analog card 10.When antenna 22 by the shift-in extended position, as shown in Figure 2, bar 20 is closed and will survey stitch CD1 and CD2 ground connection.As previously mentioned, switch 14 is because the bias of spring (not shown) and near normal upright position.When switch 14 is in the close position, survey stitch CD1 and CD2 and be grounded, thus the insertion of analog card 10.
By open and close switch 14, insertion and removal that can analog card 10, and need not remove card veritably.In this case, when antenna 22 withdrawal and switch 14 were shown in an open position, switch 14 produced " removals " signals and gives detection stitch CD1 and CD2.On the contrary, when antenna 22 was in extended position and switch 14 closures, switch 14 produced " insertion " signals and gives detection stitch CD1 and CD2.Therefore, can simulate the insertion and the removal of the card 10 in the slot 12 by moving of antenna 22.Should be appreciated that it is behaviors of nature that moving of antenna 22 used the user of card 10 for hope, thereby card 10 can be energized easily or cut off the power supply.
Other changes and improvements of the present invention are conspicuous to those skilled in the art, for example, can adopt electric power control for different card standards.For example, even illustrated that the present invention is used for pcmcia card, should be appreciated that the electric power controller of the card that is used for extended formatting also can adopt the present invention.Therefore, describe part and herein the particular combination of illustrated content only be used to illustrate specific embodiment of the present invention, and be not used in and limit the option means fall into the spirit and scope of the present invention.
Claims (17)
1. method that the peripherals that can insert main process equipment is carried out electric power control said method comprising the steps of:
Produce when a) stretching out and insert signal by antenna at described peripherals, with simulating the insertion of described peripherals with the switch of the detection stitch telecommunication of described main process equipment, thereby make described main process equipment supply electric power give described peripherals, wherein, stretching out of described antenna moved the lever that is connected to described switch, to produce described insertion signal; And
B) remove signal by when the described antenna of described peripherals is withdrawn, producing, simulate the removal of described peripherals with described switch, wherein, the withdrawal of described antenna is moved described lever, thereby described switch stops to described peripherals and antenna power supply described main process equipment.
2. method according to claim 1, wherein, described step a) further is included in and produces described insertion signal on the described detection stitch, and described step b) further is included in and produces described removal signal on the described detection stitch.
3. method according to claim 2, wherein, described step a) comprises by form low voltage signal on the described detection stitch of described main process equipment and produces described insertion signal, and described step b) comprises by form open circuit on the described detection stitch of described main process equipment and produces described removal signal.
4. method according to claim 3, wherein, described low voltage signal is an earth potential.
5. electric power controller that is used for inserting the peripherals of main process equipment, described electric power controller comprises:
Insert analogue means, be used for when the antenna of described peripherals stretches out, simulating described peripherals and insert described main process equipment;
Remove analogue means, be used for when the described antenna of described peripherals is withdrawn, simulating and remove described peripherals from described main process equipment; And
Lever is configured to detect the location of described antenna between extended position and retracted position, wherein, when described antenna stretches out, described main process equipment can be powered to described peripherals, and when described antenna was withdrawn, described main process equipment was to described peripherals and the power supply of described antenna.
6. electric power controller according to claim 5, wherein, described insertion analogue means and described removal analogue means are switches.
7. electric power controller according to claim 6, wherein, described switch is used to produce signal, and described signal is used to simulate the removal and the insertion of described peripherals.
8. electric power controller according to claim 7, wherein, the detection stitch telecommunication of described switch and described main process equipment, described switch are used for producing described signal on described detection stitch.
9. electric power controller according to claim 8, wherein, described switch is used for producing the insertion signal and removes signal, and described insertion signal is used to simulate the insertion of described peripherals, and described removal signal is used to simulate the removal of described peripherals.
10. electric power controller according to claim 9, wherein, described switch is used for producing open circuit as described removal signal, produces low voltage level as described insertion signal.
11. electric power controller according to claim 10, wherein, described low voltage level is an earth potential.
12. electric power controller according to claim 11, wherein, described switch is surveyed the position of described antenna, to produce described insertion signal and described removal signal.
13. a peripherals that is suitable for inserting main process equipment comprises:
Main body is suitable for optionally being removed from described main process equipment;
Antenna is connected to described main body, and can move between the primary importance and the second place;
Circuit, in described main body, be configured to the described antenna of sensing described first or the location of the second place, described circuit is configured to provide when described antenna is in described primary importance and inserts signal to described main process equipment, make described host device responds provide electric power to arrive described peripherals in described insertion signal, described circuit is configured to produce when described antenna is in the described second place and removes signal to described main process equipment, makes described host device responds not provide electric power to arrive described peripherals and described antenna in the described signal that removes.
14. peripherals according to claim 13, wherein, described circuit is electrically connected to the detection stitch of described main process equipment, inserts described main process equipment or removes from described main process equipment described main process equipment is simulated described peripherals.
15. peripherals according to claim 13, wherein, described circuit is used for producing open circuit as the described signal that removes, and produces low voltage level as described insertion signal.
16. peripherals according to claim 15, wherein, described low voltage level is an earth potential.
17. peripherals according to claim 13, wherein, described peripherals is pcmcia card.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CA2002/001814 WO2004049146A1 (en) | 2002-11-22 | 2002-11-22 | Mechanism for wireless modem power control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1695104A CN1695104A (en) | 2005-11-09 |
| CN100342305C true CN100342305C (en) | 2007-10-10 |
Family
ID=32331597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB02829940XA Expired - Fee Related CN100342305C (en) | 2002-11-22 | 2002-11-22 | Mechanism for wireless modem power control |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1563364A1 (en) |
| CN (1) | CN100342305C (en) |
| AU (1) | AU2002349221A1 (en) |
| CA (1) | CA2506896A1 (en) |
| WO (1) | WO2004049146A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10839620B2 (en) | 2016-09-23 | 2020-11-17 | Honeywell International Inc. | Apparatus and method for manually activated wireless transfer of operational and performance data |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7904627B2 (en) * | 2007-10-23 | 2011-03-08 | Psion Teklogix Inc. | Passive client-host detection for connected peripherals |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5768605A (en) * | 1994-03-16 | 1998-06-16 | Itel Corporation | Method and apparatus for power management of a PCMCIA card |
| US5848298A (en) * | 1995-02-21 | 1998-12-08 | Intel Corporation | System having two PC cards in a hinged carrying case with battery compartment within in the hinge section |
| CN1078777C (en) * | 1994-11-30 | 2002-01-30 | 索尼公司 | Transmitting-receiving apparatus |
-
2002
- 2002-11-22 WO PCT/CA2002/001814 patent/WO2004049146A1/en not_active Application Discontinuation
- 2002-11-22 AU AU2002349221A patent/AU2002349221A1/en not_active Abandoned
- 2002-11-22 CN CNB02829940XA patent/CN100342305C/en not_active Expired - Fee Related
- 2002-11-22 EP EP02781015A patent/EP1563364A1/en not_active Ceased
- 2002-11-22 CA CA002506896A patent/CA2506896A1/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5768605A (en) * | 1994-03-16 | 1998-06-16 | Itel Corporation | Method and apparatus for power management of a PCMCIA card |
| CN1078777C (en) * | 1994-11-30 | 2002-01-30 | 索尼公司 | Transmitting-receiving apparatus |
| US5848298A (en) * | 1995-02-21 | 1998-12-08 | Intel Corporation | System having two PC cards in a hinged carrying case with battery compartment within in the hinge section |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10839620B2 (en) | 2016-09-23 | 2020-11-17 | Honeywell International Inc. | Apparatus and method for manually activated wireless transfer of operational and performance data |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1695104A (en) | 2005-11-09 |
| AU2002349221A1 (en) | 2004-06-18 |
| CA2506896A1 (en) | 2004-06-10 |
| WO2004049146A1 (en) | 2004-06-10 |
| EP1563364A1 (en) | 2005-08-17 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071010 Termination date: 20141122 |
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| EXPY | Termination of patent right or utility model |