CN1834851A - Novel power saving inputting device - Google Patents
Novel power saving inputting device Download PDFInfo
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- CN1834851A CN1834851A CNA2006100350871A CN200610035087A CN1834851A CN 1834851 A CN1834851 A CN 1834851A CN A2006100350871 A CNA2006100350871 A CN A2006100350871A CN 200610035087 A CN200610035087 A CN 200610035087A CN 1834851 A CN1834851 A CN 1834851A
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- power saving
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Abstract
The invention discloses a power-saving device for wired and wireless devices, arranging DC-DC step down convertors at the power supply end of an input device and in the internal circuit of the input device to supply partial or all needded power to the internal circuit, where the DC-DC step down convertor not only supplies stable voltage but also achieves efficacies of saving power or prolonging battery service life.
Description
Technical field
The invention belongs to electronics input product, be specifically related to a kind of electricity saver wired, radio input device that is used for.
Background technology
Have on the market in recent years that to release so-called wired, radio input device be the power saving input media, enter battery saving mode by operating switch or button, or after wired, radio input device are not used above setting-up time, wired, radio input device can enter battery saving mode automatically, and has certain power saving effect mostly.When the user used wired, radio input device and is pressed into button, the button pressed actuation switch was to stop power saving program; Or move wired, radio input device, as mouse, make this input media get back to operator scheme.
Be in 00204797 the tw Taiwan patent, just to point out that this voltage stabilizing IC or transistor lie in keyswitch and touch on time as notification number, square energized can be avoided unnecessary power supply waste to the LC oscillator.And for example CN991250540, automatic power saving method of changing moving speed depending on input, the electronic installation of CN2004100423746, writable input and electricity-saving control method thereof, and CN022040684, with the wireless mouse that the fine motion detector starts, different input media power save scheme has all been proposed.So, above-mentioned input media power save scheme still has room for improvement.Because the continuous development research of information products, cause electronic technology and integrated circuit that significant progress is all arranged on electricity-saving function, yet the power consumption of the integrated circuit on wired, radio input device does not have further and obviously improve yet.
Summary of the invention
The objective of the invention is at the problems referred to above, in conjunction with existing integrated circuit operating voltage low consumpting power more little characteristic just more, a kind of electricity saver structure wired, radio input device that is used for is provided, can further improves power saving effect wired, radio input device.
For achieving the above object, technical scheme of the present invention is as follows: novel power saving inputting device, in the internal circuit of the power end of input media and this input media, buck DC-to-DC converter DC-DC step_down convertor is set, for the some of internal circuit that should input media or whole required power supplys.This buck DC-to-DC converter burning voltage not only is provided and reach power saving simultaneously or battery serviceable life the effect of length.
The required power supply of above-mentioned input media is taken from the PS/II interface or the usb bus interface of computing machine, or battery.
The mode of operation that is provided with DC-DC step_down convertor buck DC-to-DC converter in the above-mentioned input media internal circuit can be frequency modulating mode or pulse-width modulation mode, be fixed in one of them mode of operation work, the power saving to reach higher conversion efficiency, or also can operate reaching power supply supply optimum efficiency, and then more power saving or to reach the effect of battery longer service life by the default automatically switching operation mode of DC-to-DC converter inside.
Be provided with the microprocessor of tool power management function in the above-mentioned input media, the mode of operation of setting buck DC-to-DC converter according to user's operant activity rate pattern is frequency modulating mode or pulse-width modulation mode or forbidden energy (Disable), and then reach best power saving or reach the effect of battery longer service life, on energy savings, this is quite valuable.
Above-mentioned input media can be mouse, keyboard, recreation joystick, recreation GamePad, digital camera, digiboard, wireless remote controller such as the telepilot of household appliances and the telepilot or even the wireless telephone of anti-theft device.
Above-mentioned wired, radio input device power supply can comprise one first power supply circuit and second source supply circuit.For example at wireless optical mouse, comprise: the optical displacement inductor, light emitting diode, one wireless signal unit, microprocessor, this first power supply circuit supply light displacement study inductor, light emitting diode, one wireless signal unit and this second source supply circuit supply microprocessor, or this first power supply circuit supply microprocessor, this first power supply circuit is a buck DC-to-DC converter, this second source supply circuit is low pressure reduction (LDO) mu balanced circuit, this buck DC-to-DC converter not only provides burning voltage and reaches power saving simultaneously or to reach the effect of length in battery serviceable life, wireless optical mouse is under the attonity pattern, microprocessor contains power management can turn-off supply light displacement study inductor, light emitting diode and wireless signal unit power supply, to reach the power saving effect of sleep pattern, activation (Enable) or this first power supply circuit of forbidden energy (Disable) are that buck DC-to-DC converter both can reach unlatching, the power cutoff supply, or can put an electronic switch in addition and implement it.When wired, radio input device, in high activity ratio pattern, under the low activity pattern, as at wireless optical mouse, under the high-speed mobile mouse mode, or desktop is than under the current sinking pattern, the mode of operation of this buck DC-to-DC converter can be frequency modulating mode or pulse-width modulation mode under the low activity pattern, be fixed in one of them mode of operation work, or the default automatically switching operation mode of DC-to-DC converter inside is operated to reach the better efficient of power supply supply, and reach better power saving effect, the power supply unit of inserting of this improvement type power management improves that this is wired, radio input device power supply service efficiency reduces that this is wired, radio input device electrical source consumption or extending battery life more.Or this microprocessor contains power management, monitor wired, the high activity ratio pattern of radio input device, the low activity pattern, the attonity pattern, sleep pattern, or can be frequency modulating mode or pulse-width modulation mode and activation (Enable) or this buck DC-to-DC converter of forbidden energy (Disable) by the mode of operation that the microprocessor monitors current drain is controlled this buck DC-to-DC converter, to reach power supply supply optimum efficiency, manage at this power supply of microprocessor under the electricity saving method of this kind power supply supply, it is wired to improve this, radio input device power supply service efficiency reaches best power saving purpose simultaneously, reduces that this is wired, radio input device electrical source consumption and extending battery life.Above-mentioned first power supply circuit can hang down pressure reduction (LDO) voltage stabilizing regulating circuit and implement it, the more bad but less expensive of power saving effect.This wireless signal unit of above-mentioned this wireless optical mouse, can be infrared ray or less radio-frequency, as be applied in known wireless ball mouse, known wireless trace ball (Track Ball) in like manner also can, as be applied in wired optical mouse, then remove above-mentioned this wireless signal unit, and this microprocessor contains the computing machine transport interface, this interface such as PS2, USB.Being provided with the low-voltage detecting in input media is to be a requisite measure, but and this low-voltage is also detected this buck DC-DC converter of forbidden energy (Disable) simultaneously.
Above-mentioned radio input device such as Radio infrared line telepilot, insert above-mentioned first power supply circuit and second source supply circuit, or only use one of them source supply circuit, improve this Radio infrared line power supply of remote controller service efficiency through inserting power supply unit, reduce electrical source consumption and extending battery life, or can in this Radio infrared line remote control microprocessor, establish this first power supply circuit of power management, the mode of operation that power management is controlled this buck DC-to-DC converter can be frequency modulating mode or pulse-width modulation mode and activation (Enable) or this buck DC-to-DC converter of forbidden energy (Disable), reduce the activity pattern of this Radio infrared line telepilot input media, the attonity pattern, remote pattern, pattern closely, infrared ray wide-angle pattern, the electrical source consumption and the extending battery life of the narrow angle mould formula of infrared ray, in like manner, Radio infrared line keyboard is to implement it with mode.
Above-mentioned radio input device such as wireless radio frequency remote control device, in like manner, insert above-mentioned first power supply circuit and second source supply circuit, or only use one of them power supply circuit, improve this wireless radio frequency remote control device power supply service efficiency through inserting power supply unit, reduce electrical source consumption and extending battery life, or can in this wireless radio frequency remote control microprocessor, establish this first power supply circuit of power management, the mode of operation that power management is controlled this buck DC-to-DC converter can be frequency modulating mode or pulse-width modulation mode and activation (Enable) or this buck DC-to-DC converter of forbidden energy (Disable), reduce the activity pattern of this wireless radio frequency remote control device input media, the attonity pattern, the long-range radio-frequency high-power mode, the electrical source consumption of close distance radio frequency low-power mode and extending battery life, in like manner, the less radio-frequency keyboard is to implement it with mode.
In like manner, radio input devices such as Wireless Keyboard, wireless game rocking bar, wireless game GamePad can also be implemented by aforesaid way.
On the wireless mouse of general market, this function is arranged never, more do not have other radio input device this function is arranged, and the wireless mouse of the present invention and present market, Wireless Keyboard, wireless game rocking bar, wireless game GamePad, Radio infrared optical remote control equipment, wireless radio frequency remote control device etc. are relatively, can prolong the battery serviceable life of input media, on energy savings, this is quite rare and quite valuable.
Description of drawings
Fig. 1 is a kind of circuit structure schematic diagram of the present invention;
Fig. 2 is an another kind of circuit structure schematic diagram of the present invention;
Fig. 3 is that input media of the present invention is the circuit structure schematic diagram of wireless optical mouse;
Fig. 4 is that input media of the present invention is the particular circuit configurations figure of wireless optical mouse;
Fig. 5 is that existing input media is the circuit structure schematic diagram of Radio infrared line keyboard;
Fig. 6 is that input media of the present invention is the circuit structure schematic diagram of Radio infrared line keyboard.
Now the invention will be further described in conjunction with the accompanying drawings and embodiments:
Embodiment
As Fig. 1 is a kind of preferred circuit structure principle chart of the present invention, and input media of the present invention mainly is made up of power supply 11, DC-to-DC converter 12, current switch 13, microprocessor 14 and current loading input media 15.Power supply inserts the input end of DC-to-DC converter, the output terminal of DC-to-DC converter inserts the input end of current switch and microprocessor respectively, the output terminal of current switch inserts the input end of current loading input media, and the two-way data of microprocessor and current loading input media is transmitted and output control signals to current switch.The effect that this buck DC-to-DC converter not only provides burning voltage and reaches power saving simultaneously.And microprocessor tool power management function is exported control signal forbidden energy (Disable) current switch according to user's operant activity rate pattern, and then reaches best power saving effect.
Be illustrated in figure 2 as another kind of preferred circuit structure principle chart of the present invention.Input media of the present invention mainly is made up of power supply 21, DC-to-DC converter 22, power supply of microprocessor voltage stabilizer 23, microprocessor 24 and current loading input media 25.Power supply connects the DC-to-DC converter respectively and the microprocessor voltage stabilizer forms two power supply circuits, DC-to-DC converter supplies power supply is given the current loading input media, microprocessor voltage stabilizer power supply is given microprocessor, two-way data transmission of microprocessor and current loading input media and output control signal control DC-to-DC converter.Microprocessor is set buck DC-to-DC converter and is adopted frequency modulation (PFM) mode or pulse width modulation mode operation, and activation or this buck DC-to-DC converter of forbidden energy.
As shown in Figure 3 and Figure 4, input media of the present invention is a wireless optical mouse, and this wireless optical mouse is made up of battery 31, DC-to-DC converter 32, brownout circuit for detecting 33, voltage stabilizer 34 and 35, RF modulation output circuit 36, microprocessor 37, light perception device 38 and light source luminescent diode 39.Its concrete circuit of implementing is referring to Fig. 4.
Among Fig. 4, wireless optical mouse comprises: optical displacement inductor U6, light emitting diode D2, Q1 is to FQ3 for the wireless signal unit F, FX1 etc., microprocessor U5, buck direct current stabilizer U7, buck DC-to-DC converter U3, low-voltage circuit for detecting U4, the buck direct current stabilizer is carried U7 power supply source PWR_MCU and is given this microprocessor U5 power supply, buck DC-to-DC converter U3 provides power supply PWR_DC to light emitting diode D2, and Q1 is to FQ3 for the wireless signal unit F, FX1 etc., with buck direct current stabilizer U1, buck direct current stabilizer U1 provides power supply PWR_SENSOR to this optical sensor U6 again.Or also can remove buck direct current stabilizer U7, provide power supply PWR_DC to this microprocessor U5 power supply by buck DC-to-DC converter U3, or also can remove buck direct current stabilizer U1 and replace buck DC-to-DC converter U3 by the buck direct current stabilizer, the mode of operation of buck DC-to-DC converter U3 is predeterminable to be fixed as frequency modulating mode or pulse-width modulation mode, or the automatically switching operation mode that is preset as the DC-to-DC converter inside is operated and obtained power supply supply optimum efficiency to reach power saving effect; When the power saving type wireless optical mouse under sleep pattern attonity pattern; Microprocessor U5 contains power management can turn-off supply light displacement study inductor U6 power supply PWR_SENSOR, light emitting diode D2 power supply PWR_DC, wireless signal unit power supply PWR_RF, to reach the power saving effect of sleep pattern, microprocessor U5 sees through Q5 and comes activation (Enable) or forbidden energy (Disable) buck DC-to-DC converter U3 can reach unlatching, power cutoff supply, or can put an electronic switch in addition and be series at this buck DC-to-DC converter U3 and implement it; Microprocessor U5 sees through signal wire SCK, SDIO and optical displacement inductor U6 communication, can learn wireless optical mouse moving at a slow speed under the high-speed mobile of high activity ratio pattern, low activity pattern, microprocessor U5 sees through mode of operation that Q4 sets buck DC-to-DC converter U3 and can be frequency modulating mode or pulse-width modulation mode to reach power saving effect; But this low-voltage circuit for detecting U4 is while this buck DC-to-DC converter of forbidden energy (Disable) also; Microprocessor U5 handles known wireless optical mouse simultaneously at the left, center, right of mouse key and roller action and wireless signal.
In like manner, Radio infrared line optics mouse can above-mentioned similar fashion be implemented it, is about to wireless signal unit F Q1 to FQ3, and FX1 etc. change infrared light-emitting diode into and microprocessor U5 processing infrared light host-host protocol gets final product.
As shown in Figure 5, existing Radio infrared line keyboard mainly is made up of battery 51, microprocessor 52, infrared LEDs 53 and keyboard 54.Present embodiment is the improvement of Fig. 5, promptly in internal circuit configuration one direct current-direct current transducer 55 is set, as shown in Figure 6.Its physical circuit can be implemented referring to embodiment 1 similar fashion.
Embodiment 4
The described input media of present embodiment is that this Radio infrared line telepilot of Radio infrared line telepilot (removing some unnecessary circuits as shown in Figure 4) comprises: infrared light light emitting diode D2, microprocessor U5, buck direct current stabilizer U7, buck DC-to-DC converter U3, microprocessor U5 adds the key scan matrix, embodiment by similar above-mentioned power saving type wireless optical mouse is to reach power saving effect, and remote pattern, closely pattern then can be reached easily by the many again output pin control of microprocessor U5 infrared light-emitting diode D2, infrared ray wide-angle pattern, the narrow angle mould formula of infrared ray, can directly select for use two infrared light-emitting diodes of this characteristic of tool can implement it, Radio infrared line telepilot can be applicable to household appliances.
In like manner, Radio infrared line keyboard can be implemented it according to above-mentioned similar fashion.
The described input media of present embodiment is the wireless radio frequency remote control device.Referring to Fig. 4, the wireless radio frequency remote control device comprises: Q1 is to FQ3 for the wireless signal unit F, FX1 etc., microprocessor U5, buck direct current stabilizer U7, buck DC-to-DC converter U3, microprocessor U5 adds the key scan matrix, the embodiment by similar above-mentioned wireless optical mouse is to reach power saving effect.
In like manner, the less radio-frequency keyboard can be implemented it according to above-mentioned similar fashion.
The above only is a preferred embodiment of the present invention, and right the present invention's structural attitude is not limited thereto, the technician of the technical field of the invention, as can think easily and variation or modification, use as roughly the same principle, all can be encompassed in the present invention's the claim.
Claims (15)
1, novel power saving inputting device is characterized in that: in the internal circuit of the power end of input media and this input media buck DC-to-DC converter is set, for the some of internal circuit that should input media or whole required power supplys.
2, novel power saving inputting device according to claim 1 is characterized in that: the required power supply of described input media is taken from the PS/II interface or the usb bus interface of computing machine, or battery.
3, novel power saving inputting device according to claim 1 is characterized in that: described buck DC-to-DC converter adopts frequency modulation (PFM) mode or pulse width modulation mode operation.
4, novel power saving inputting device according to claim 1 is characterized in that: comprise the microprocessor of a tool power management function in the described internal circuit, this buck DC-to-DC converter of this microprocessor activation or forbidden energy.
5, novel power saving inputting device according to claim 4 is characterized in that: described microprocessor is set this buck DC-to-DC converter and is adopted frequency modulation (PFM) mode or pulse width modulation mode operation.
6, according to the arbitrary described novel power saving inputting device of claim 1 to 5, it is characterized in that: described input media is mouse, keyboard, recreation joystick, recreation GamePad, digital camera, digiboard, wireless remote controller or wireless telephone.
7, according to claim 3 or 4 or 5 described novel power saving inputting devices, it is characterized in that: described input media is a wireless optical mouse, its internal circuit comprises optical displacement inductor, light emitting diode and a wireless signal unit, and this buck DC-to-DC converter provides power supply to this optical displacement inductor and/or this light emitting diode and/or this wireless signal unit and/or this microprocessor.
8, novel power saving inputting device according to claim 7, it is characterized in that: described internal circuit comprises an electronic switch, this electronic switch is between this optical displacement inductor, this light emitting diode, this wireless signal unit and this buck DC-to-DC converter, and this microprocessor is controlled this electronic switch.
9, novel power saving inputting device according to claim 7 is characterized in that: described internal circuit comprises a low pressure circuit for detecting, and this low pressure circuit for detecting is this buck DC-to-DC converter of forbidden energy simultaneously.
10, according to claim 3 or 4 or 5 described novel power saving inputting devices, it is characterized in that: described input media is a wireless optical mouse, its internal circuit comprises optical displacement inductor, light emitting diode, wireless signal unit and a buck dc voltage stability device, this buck dc voltage stability device provides power supply to this microprocessor, and this buck DC-to-DC converter provides power supply to this optical displacement inductor and/or this light emitting diode and/or this wireless signal unit.
11, novel power saving inputting device according to claim 10 is characterized in that: described internal circuit comprises the detecting voltage device, this buck dc voltage stability device of this detecting voltage device forbidden energy.
12, novel power saving inputting device according to claim 11 is characterized in that: described this microprocessor of detecting voltage device forbidden energy.
13, novel power saving inputting device according to claim 6 is characterized in that: described input media is a keyboard, comprises the input of loudspeaker and/or SkyPe and/or digiboard and/or hand input device and/or fingerprint.
14, novel power saving inputting device according to claim 6 is characterized in that: described input media is a Wireless Keyboard, and the required power supply of this Wireless Keyboard is taken from battery.
15, novel power saving inputting device according to claim 6 is characterized in that: described input media is a wireless remote controller, and this wireless remote controller is the Radio infrared telepilot of household appliances, or the wireless radio frequency remote control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100350871A CN1834851A (en) | 2006-04-20 | 2006-04-20 | Novel power saving inputting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100350871A CN1834851A (en) | 2006-04-20 | 2006-04-20 | Novel power saving inputting device |
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| CN1834851A true CN1834851A (en) | 2006-09-20 |
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| CNA2006100350871A Pending CN1834851A (en) | 2006-04-20 | 2006-04-20 | Novel power saving inputting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103700247A (en) * | 2013-12-24 | 2014-04-02 | 泉芯电子技术(深圳)有限公司 | Energy-saving and environment-friendly infrared remote control signal generating circuit |
-
2006
- 2006-04-20 CN CNA2006100350871A patent/CN1834851A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103700247A (en) * | 2013-12-24 | 2014-04-02 | 泉芯电子技术(深圳)有限公司 | Energy-saving and environment-friendly infrared remote control signal generating circuit |
| CN103700247B (en) * | 2013-12-24 | 2016-06-29 | 泉芯电子技术(深圳)有限公司 | A kind of infrared remote-controlled signal circuit for generating of energy-conserving and environment-protective |
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