CN102038990B - Portable beauty apparatus - Google Patents
Portable beauty apparatus Download PDFInfo
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- CN102038990B CN102038990B CN2010105980135A CN201010598013A CN102038990B CN 102038990 B CN102038990 B CN 102038990B CN 2010105980135 A CN2010105980135 A CN 2010105980135A CN 201010598013 A CN201010598013 A CN 201010598013A CN 102038990 B CN102038990 B CN 102038990B
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- nand gate
- beautifying device
- transducing sheet
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- 230000003796 beauty Effects 0.000 title abstract description 10
- 230000010355 oscillation Effects 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 230000002463 transducing effect Effects 0.000 claims description 63
- 239000007921 spray Substances 0.000 description 22
- 239000003990 capacitor Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 238000000889 atomisation Methods 0.000 description 4
- 239000002537 cosmetic Substances 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 3
- 230000000474 nursing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 206010048222 Xerosis Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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Abstract
The invention discloses a portable beauty apparatus comprising an energy exchange sheet and a liquid storage chamber directly connected with the energy exchange sheet. The portable beauty apparatus also comprises a power supply module, a boosting module and an oscillation module, wherein the power supply module is a battery, and the battery is connected with the energy exchange sheet by the boosting module and supplies power to the energy exchange sheet. The battery is adopted for supplying power, and the boosting circuit drives the energy exchange sheet. The invention has small volume and is convenient to carry.
Description
Technical field
The present invention relates to a kind of beauty apparatus, particularly a kind of portable beautifying device.
Background technology
At present; People are when doing skin care; Need regularly go beauty salon to do nursing, this nursing care mode is very inconvenient, and people can only utilize the idle time to go beauty salon to do nursing; And people are on duty, do shopping when perhaps other occasion sensation xerosis cutis perhaps needs maintenance, and this beauty treatment mode can not be nursed people's skin timely.
Usually adopting like one Chinese patent application number 201010194060.3 said a kind of steam sprayers in domestic beautifying device field, is to adopt heating and spray fan to produce fog to improve looks.This beauty appliance is all very big, carries inconvenience, use inconvenience, and watt level can not be regulated.
Thereby prior art is still waiting to improve and improve.
Summary of the invention
Weak point in view of above-mentioned prior art the object of the present invention is to provide a kind of portable beautifying device, and the resonance power size of beautifying device can be set through oscillation module.
In order to achieve the above object, the present invention has taked following technical scheme:
A kind of portable beautifying device, wherein, it comprises the transducing sheet; With the containing liquid chamber that the transducing sheet is connected, supply module, boost module and oscillation module; Said supply module is a battery; Battery is connected with the transducing sheet through boost module, is used for to portable beautifying device power supply, and said oscillation module is connected with the transducing sheet with boost module respectively; Wherein, said oscillation module comprises first NAND gate, second NAND gate, first resistance and first electric capacity; One end of said first resistance is connected with second input with the outfan of first NAND gate, the first input end of second NAND gate respectively, and the other end of first resistance is connected with the first input end of first NAND gate and an end of first electric capacity respectively; The other end of said first electric capacity is connected with outfan, boost module and the transducing sheet of second NAND gate respectively.
This section is deleted.
Described portable beautifying device wherein, also comprises the duty cycle adjustment module, and said duty cycle adjustment module comprises the 3rd NAND gate, second resistance, diode and second electric capacity; One end of said second electric capacity is connected with said oscillation module, and the other end is connected with second input with an end of second resistance, the first input end of the 3rd NAND gate respectively; The outfan of the 3rd NAND gate is connected with the transducing sheet with boost module respectively, and said diode is attempted by the two ends of second resistance.
Described portable beautifying device wherein, also comprises handover module and FET; The grid of said FET is connected with oscillation module, and drain electrode is connected with the transducing sheet with boost module respectively, and source electrode is respectively through the 3rd resistance and handover module ground connection; Said handover module is connected with booster circuit.
Described portable beautifying device, wherein, said boost module comprises the chip that boosts, inductance, the 4th resistance, the 5th resistance and the 6th resistance; Said inductance is connected between the SW port and VIN port of the chip that boosts; Said the 4th resistance is connected between the SW port and FB port of the chip that boosts; Said the 5th resistance string is connected between said FB port and the supply module, and said supply module is connected with the VIN port of the chip that boosts; One end of said the 6th resistance connects the FB port of the chip that boosts, and the other end is connected with handover module with the source electrode of said FET respectively.
Described portable beautifying device, wherein, handover module comprises change-over switch, latch and audion; Said change-over switch is connected with the base stage of audion through latch, and the colelctor electrode of said audion is connected grounded emitter with the source electrode of FET respectively with boost module.
Described portable beautifying device, wherein, the positive pole of said battery connects the VIN port of the chip that boosts, and negative pole is connected with the 5th resistance.
The portable beautifying device that the embodiment of the invention provides compared with prior art has following beneficial effect:
1, the portable beautifying device that provides of the embodiment of the invention adopts battery powered and booster circuit driving transducing sheet, and volume is very little, and is easy to carry.
2, the portable beautifying device that provides of the embodiment of the invention; It comprises transducing sheet, supply module, boost module, oscillation module and containing liquid chamber; Said oscillation module comprises first NAND gate, second NAND gate, first resistance and first electric capacity, and wherein the value of first resistance and first electric capacity can be adjusted according to the frequency of oscillation of transducing sheet, thereby can control the size of transducing sheet power; Thereby control to spray amount, reach better cosmetic result.
3, the portable beautifying device that provides of the embodiment of the invention can change the on-load voltage of transducing sheet, thereby change the amplitude of transducing sheet through changing the feedback voltage ratio of boost module, thereby realizes the adjusting of spray amount.
4, the portable beautifying device that provides of the embodiment of the invention, the dutycycle that can regulate beautifying device through its duty cycle adjustment module changes the work efficiency of transducing sheet, thereby realizes the spray amount adjustment.
5, the portable beautifying device that provides of the embodiment of the invention can be through changing the input current of transducing sheet, the power consumption of adjustment transducing sheet, thus change the spray amount of beautifying device.
The compact conformation of the portable beautifying device that the while embodiment of the invention provides, it takes up room little, and the user can carry, and makes the user can take out this beautifying device at any time and sprays, and satisfies the requirement of user's beauty treatment.
Description of drawings
The structured flowchart of the portable beautifying device that Fig. 1 provides for the embodiment of the invention.
The circuit theory diagrams of the portable beautifying device that Fig. 2 provides for the embodiment of the invention.
The specific embodiment
Thereby ultrasonic atomization is meant through transducer and converts electrical energy into the process that ultrasonic energy in the liquid forms the tiny steam fog of granule.Compare with traditional heating atomization, ultrasonic atomization can be practiced thrift mass energy.In addition since in the ultrasonic atomization process anion that discharges have adsorption and oxidisability, so it can also accelerate the purification of skin dust and harmful substance.
The present invention provides a kind of portable beautifying device; Adopted the transducing sheet of ultrasound wave high-frequency vibration; Make the liquid process transducing sheet atomizing of reserving liquid tank become the ultramicron formation aerosol of micron level and discharge anion; The maintenance face skin moistens and reduces dust particle absorption in the air, reaches cosmetic result.
For making the object of the invention, technical scheme and effect clearer, clear and definite, below with reference to accompanying drawing and give an actual example to further explain of the present invention.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
See also Fig. 1, the portable beautifying device that the embodiment of the invention provides (being PBM, portable beauty mist), it comprises transducing sheet 11, supply module 21, boost module 31, oscillation module 41 and containing liquid chamber 51.Said supply module 21 is connected with transducing sheet 11 through boost module 31, is used for supply voltage to portable beautifying device being provided.Said oscillation module 41 is connected with transducing sheet 11 with boost module 31 respectively, and said transducing sheet 11 is connected with containing liquid chamber 51.
Wherein, said containing liquid chamber is placed with water or quintessence oil for 51 li, and the vibration through transducing sheet 11 makes the water of 51 li of containing liquid chambers or quintessence oil atomizing be the ultramicron of micron level, and discharges anion, keeps face skin moist, reaches cosmetic result.
See also and consult Fig. 2 in the lump, said oscillation module 41 comprises the first NAND gate D1A, the second NAND gate D1B, first resistance R 1 and first capacitor C 1.
One end of said first resistance R 1 is connected with second input with the outfan of the first NAND gate D1A, the first input end of the second NAND gate D1B respectively, and the other end of first resistance R 1 is connected with the first input end of the first NAND gate D1A and an end of first capacitor C 1 respectively.The VCC port of the second input connecting circuit of the first NAND gate D1A, the other end of said first capacitor C 1 are connected with outfan, boost module 31 and the transducing sheet 11 of the second NAND gate D1B respectively.
The oscillation module 41 that present embodiment provides has utilized degree of depth positive feedback, make two electronic devices (NAND gate) alternate conduction and end through resistance-capacitance coupling, thereby self-excitation produces the multivibrator of square wave output.This oscillation module 41 does not have stable state, has only two temporary stable states.In when work, the state of circuit checker automatically between these two temporary stable states produces rectangular wave pulse signal thus.
Wherein, described oscillation module 41 need not external trigger signal, just can periodically overturn automatically, produces the rectangular pulse of certain amplitude and width, thereby is referred to as astable circuit again.It can be made up of discrete component, integrated transporting discharging and gate circuit.
Please continue to consult Fig. 2, in described oscillation module 41 work process, mainly rely on the charge and discharge of first capacitor C 1, cause the variation of d point current potential Vd.When Vd reaches threshold voltage, cause the upset of NAND gate state.When Vd rises to Vth (critical voltage), become ON state by OFF state again with the first NAND gate D1A, the second NAND gate D1B becomes OFF state by ON state, gets into the transient state I.Constantly repeat said process later on, thereby form rectilinear oscillation.
In the present embodiment; The value of said first resistance R 1 and first capacitor C 1 can be provided with according to the frequency of vibration of different transducing sheets 11; When manufacturing this beautifying device, only need to design according to the frequency of vibration of different transducing sheets 11 value to first resistance R 1 and first capacitor C 1, make the resonant frequency of oscillation module 41 consistent with the frequency of vibration of transducing sheet 11; Make the spray amount of beautifying device reach the highest, strengthened the adaptability of beautifying device circuit.
The resonant frequency of this oscillation module 41 is consistent with transducing sheet 11 resonant frequencies, makes load the lightest, and the amplitude of transducing sheet 11 is maximum, thereby makes spray amount maximum, makes the efficiency conversion rate of beautifying device the highest.
Please continue to consult Fig. 1 and Fig. 2, the portable beautifying device that the embodiment of the invention provides also comprises handover module 61 and FET M1.The grid of said FET M1 is connected with oscillation module 41, and drain electrode is connected with transducing sheet 11 with boost module 31 respectively, and source electrode is respectively through the 3rd resistance R 3 and handover module 61 ground connection; Said handover module 61 is connected with booster circuit.
Said handover module 61 comprises change-over switch S1, latch U2 and audion Q1.Said change-over switch S1 is connected with the base stage of audion Q1 through latch U2, and the colelctor electrode of said audion Q1 is connected grounded emitter with the source electrode of FET M1 with boost module 31 respectively.
In the present embodiment, it is the integrated chip of HEF4013BT that described latch adopts model, and said change-over switch S1 is connected with the CP2 port of latch, and the base stage of audion Q1 is connected with the Q2 port of latch through resistance R 7.
Please consult Fig. 2 once more, the portable beautifying device that the embodiment of the invention provides, its boost module 31 comprise the chip U1 that boosts, inductance L 1, the 4th resistance R 4, the 5th resistance R 5 and the 6th resistance R 6.
Said inductance L 1 is connected between the SW port (switch port of the chip that promptly boosts) and VIN port (input port of the chip that promptly boosts) of the chip U1 that boosts; Said the 4th resistance R 4 is connected between the SW port and FB port (feedback port of the chip that promptly boosts) of the chip U1 that boosts; The 5th resistance R 5 is serially connected between said FB port and the supply module 21, and said supply module 21 is connected with the VIN port of the chip U1 that boosts; One end of said the 6th resistance R 6 connects the FB port of the chip U1 that boosts, and the other end is connected with handover module 61 with the source electrode of said FET M1 respectively.
Wherein, it is the LT1615 integrated chip that the said chip U1 that boosts adopts model, and the power supply of transducing sheet 11 is provided by boost chip U1 and inductance L 1.In the specific implementation; Through two grades of switchings of change-over switch S1, cooperate the conducting state of latch audion Q1, the electric resistance partial pressure of chip U1 feedback port is than (promptly adjusting the feedback voltage ratio of the chip U1 that boosts) through change-over switch S1 thereby change is boosted; Adjust the output voltage of the chip U1 that boosts in good time; Through the on-load voltage of change transducing sheet 11, thereby the amplitude of change transducing sheet 11 is realized the adjusting of spray amount.And transducing sheet 11 on-load voltages are high more, and amplitude is big more, and spray amount is also big more.
Here, the operation principle of chip is a prior art because LT1615 boosts, and therefore no longer details.
See also Fig. 1 and Fig. 2, the portable beautifying device that the embodiment of the invention provides also comprises duty cycle adjustment module 71.Said duty cycle adjustment module 71 comprises the 3rd NAND gate D1C, second resistance R 2, diode D1 and second capacitor C 2.
One end of said second capacitor C 2 is connected with said oscillation module 41, and the other end of second capacitor C 2 is connected with second input with an end of second resistance R 2, the first input end of the 3rd NAND gate D1C respectively.In the present embodiment, an end of said second capacitor C 2 respectively with oscillation module 41 in first capacitor C 1 and the outfan of the second NAND gate D1B be connected the VCC port of the other end connecting circuit of second resistance R 2.
The outfan of said the 3rd NAND gate D1C is connected with transducing sheet 11 with boost module 31 respectively, and said diode D1 is attempted by the two ends of second resistance R 2.In the present embodiment, the outfan of said the 3rd NAND gate D1C is connected with handover module 61, boost module 31 and transducing sheet 11 respectively through FET M1.
The duty cycle adjustment module 71 that present embodiment provides adopts the output square-wave pulse wave mode of asymmetric multi-harmonic-oscillations, utilizes not gate adjustment time-delay, realizes the dutycycle adjustment.Utilize diode D1 that the charge circuit of second capacitor C 2 is separated, make the 2 charging time-delays of second capacitor C, thereby make dutycycle D adjusted, and (at this moment, in the time of t1=t2), circuit is exported square wave as D=1/2.The present invention selects the charging of high half cycle according to this principle through diode D1, adjustment electric capacity resistance value change and discharge and recharge the time, thereby regulate the outfan dutycycle.
The beautifying device that the embodiment of the invention provides through adjustment transducing sheet 11 in the vibration period, work stop, dwell time changes transducing sheet 11 work efficiencies at interval, thereby realizes the spray amount adjustment.
In a further embodiment, the portable beautifying device that the embodiment of the invention provides also can be through the operating current of control transducing sheet 11, the spray amount of adjustment transducing sheet 11.
See also Fig. 2, this embodiment changes the voltage of FET M1 through two grades of switchings of change-over switch S1, thereby changes the electric current that FET M1 passes through, and the input current of transducing sheet 11 is changed, thereby the power consumption of adjustment transducing sheet 11 changes spray amount.When the current-limiting resistance of transducing sheet 11 was 0, the electric current of transducing sheet 11 was maximum, and it is maximum that spray amount also reaches.
Please consult Fig. 2 once more, described supply module 21 is battery BAT, and the positive pole of said battery connects the VIN port of the chip U1 that boosts, and negative pole is connected with the 5th resistance R 6.In the present embodiment, described battery can adopt lithium battery, and when battery electric quantity can be use up, replacing in time got final product.
In a further embodiment, can in the circuit of portable beautifying device, increase by a charging circuit, when battery electric quantity is used up, can charge the battery at any time.Because the design of charging circuit on electronic product has been prior art, no longer detail here.
In embodiment further, described portable beautifying device also comprises clock control module 81 for the moment, through the time of the each spraying of clock control module control.For example, after spray time reached 20 seconds, these clock control module 81 control transducing sheets stopped vibration, save the quintessence oil in battery and the containing liquid chamber.
In sum, the portable beautifying device that provides of the embodiment of the invention has following beneficial effect:
1, the portable beautifying device that provides of the embodiment of the invention adopts battery powered and booster circuit driving transducing sheet, and volume is very little, and is easy to carry.
2, the portable beautifying device that provides of the embodiment of the invention; It comprises transducing sheet, supply module, boost module, oscillation module and containing liquid chamber; Said oscillation module comprises first NAND gate, second NAND gate, first resistance and first electric capacity, and wherein the value of first resistance and first electric capacity can be adjusted according to the frequency of oscillation of transducing sheet, thereby can control the size of transducing sheet power; Thereby control to spray amount, reach better cosmetic result.
3, the portable beautifying device that provides of the embodiment of the invention can change the on-load voltage of transducing sheet, thereby change the amplitude of transducing sheet through changing the feedback voltage ratio of boost module, thereby realizes the adjusting of spray amount.
4, the portable beautifying device that provides of the embodiment of the invention, the dutycycle that can regulate beautifying device through its duty cycle adjustment module changes the work efficiency of transducing sheet, thereby realizes the spray amount adjustment.
5, the portable beautifying device that provides of the embodiment of the invention can be through changing the input current of transducing sheet, the power consumption of adjustment transducing sheet, thus change the spray amount of beautifying device.And adjust transducing sheet spray amount more easily through regulating transducing sheet input current, adapt to different spray amount demands, can also save battery power, thereby prolong the working time of battery.
The compact conformation of the portable beautifying device that the while embodiment of the invention provides, it takes up room little, and the user can carry, and makes the user can take out this beautifying device at any time and sprays, and satisfies user's requirement of spraying in time.
It is understandable that, concerning those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection domain of the appended claim of the present invention.
Claims (6)
1. a portable beautifying device is characterized in that, it comprises the transducing sheet; With the containing liquid chamber that the transducing sheet is connected, supply module, boost module and oscillation module; Said supply module is a battery; Battery is connected with the transducing sheet through boost module, is used for to portable beautifying device power supply, and said oscillation module is connected with the transducing sheet with boost module respectively; Wherein, said oscillation module comprises first NAND gate, second NAND gate, first resistance and first electric capacity; One end of said first resistance is connected with second input with the outfan of first NAND gate, the first input end of second NAND gate respectively, and the other end of first resistance is connected with the first input end of first NAND gate and an end of first electric capacity respectively; The other end of said first electric capacity is connected with outfan, boost module and the transducing sheet of second NAND gate respectively.
2. portable beautifying device according to claim 1 is characterized in that, also comprises the duty cycle adjustment module, and said duty cycle adjustment module comprises the 3rd NAND gate, second resistance, diode and second electric capacity; One end of said second electric capacity is connected with said oscillation module, and the other end is connected with second input with an end of second resistance, the first input end of the 3rd NAND gate respectively; The outfan of the 3rd NAND gate is connected with the transducing sheet with boost module respectively, and said diode is attempted by the two ends of second resistance.
3. portable beautifying device according to claim 1 is characterized in that, also comprises handover module and FET; The grid of said FET is connected with oscillation module, and drain electrode is connected with the transducing sheet with boost module respectively, and source electrode is respectively through the 3rd resistance and handover module ground connection; Said handover module is connected with boost module.
4. portable beautifying device according to claim 3 is characterized in that, said boost module comprises the chip that boosts, inductance, the 4th resistance, the 5th resistance and the 6th resistance; Said inductance is connected between the SW port and VIN port of the chip that boosts; Said the 4th resistance is connected between the SW port and FB port of the chip that boosts; Said the 5th resistance string is connected between said FB port and the supply module, and said supply module is connected with the VIN port of the chip that boosts; One end of said the 6th resistance connects the FB port of the chip that boosts, and the other end is connected with handover module with the source electrode of said FET respectively.
5. portable beautifying device according to claim 3 is characterized in that handover module comprises change-over switch, latch and audion; Said change-over switch is connected with the base stage of audion through latch, and the colelctor electrode of said audion is connected grounded emitter with the source electrode of FET respectively with boost module.
6. portable beautifying device according to claim 4 is characterized in that, the positive pole of said battery connects the VIN port of the chip that boosts, and negative pole is connected with the 5th resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105980135A CN102038990B (en) | 2010-12-21 | 2010-12-21 | Portable beauty apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105980135A CN102038990B (en) | 2010-12-21 | 2010-12-21 | Portable beauty apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN102038990A CN102038990A (en) | 2011-05-04 |
| CN102038990B true CN102038990B (en) | 2012-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105980135A Active CN102038990B (en) | 2010-12-21 | 2010-12-21 | Portable beauty apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104702106A (en) * | 2015-03-25 | 2015-06-10 | 邝嘉怡 | Booster circuit of portable beautifying instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2145041Y (en) * | 1992-11-28 | 1993-11-03 | 张若昕 | Leading-in instrument of efficient cosmetic electuary for household |
| CN2146999Y (en) * | 1993-01-16 | 1993-11-24 | 王京献 | Portable domestic ultrasonic atomization massage beauty instrument |
| CN2250752Y (en) * | 1996-03-29 | 1997-04-02 | 西安工业学院 | Ultrasonic electrotherapeutic skin care beautifying apparatus |
| CN2705150Y (en) * | 2004-06-08 | 2005-06-22 | 深圳市精锐实业有限公司 | Portable beauty instrument |
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Owner name: KANG KAI Free format text: FORMER OWNER: SHENZHEN CHIT WING TECHNOLOGY CO., LTD. Effective date: 20120625 |
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Effective date of registration: 20120625 Address after: Luohu District Songyuan road Shenzhen City, Guangdong province 518001 75 2 14B Patentee after: Kang Kai Address before: Luohu District City, Guangdong Province, Shenzhen Red Road 518110 No. 2068 on the eastern side of the building 13 layer GUI Patentee before: Shenzhen Chitwing Technology Group Co., Ltd. |