CN104257315A - Infrared automatic hand drier circuit - Google Patents
Infrared automatic hand drier circuit Download PDFInfo
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- CN104257315A CN104257315A CN201410466639.9A CN201410466639A CN104257315A CN 104257315 A CN104257315 A CN 104257315A CN 201410466639 A CN201410466639 A CN 201410466639A CN 104257315 A CN104257315 A CN 104257315A
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- 230000003321 amplification Effects 0.000 claims description 20
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 20
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000003750 conditioning effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The invention discloses an infrared automatic hand drier circuit. The infrared automatic hand drier circuit is characterized by comprises a blower, a power circuit (1), a control circuit (2) connected with the output end of the power circuit (1), a driving circuit (3) connected with the output end of the control circuit (2), an infrared transmitting and receiving circuit (4) connected with the output end of the driving circuit (3), a signal amplifying circuit (5) connected with the output end of the infrared transmitting and receiving circuit (4), and a time-delay circuit (6) connected with the output end of the signal amplifying circuit (5). The blower is connected with the power circuit (1). According to the infrared automatic hand drier circuit, the blower is controlled through infrared to dry hands, so that compared with a traditional paper wiping mode, the infrared automatic hand drier circuit can save a large amount of paper and achieve environmental protection and energy conservation.
Description
Technical field
The present invention relates to a kind of circuit, specifically refer to a kind of infrared ray automatic hand dryer circuit.
Background technology
After washing hand, in a period of time, hand is that wet people are very inconvenient when taking thing.In order to address this problem, at present, in the toilet of some public places, be placed with the paper handkerchief for wiping hand, these paper handkerchief handles can be used after people wash hand to dry, bring more convenient.
But the flow of the people of public place is large, cause the consumption of paper handkerchief large yet, thus cause the very large wasting of resources, this does not meet the energy-saving and emission-reduction theory that current human society is advocated.Therefore, how solving the problem is the task of top priority of people.
Summary of the invention
The object of the invention is to solve current people uses paper handkerchief wiping hand to cause the defect of a large amount of paper waste, provides one can utilize infrared control hair-dryer switch, to reach the infrared ray automatic hand dryer circuit of dry hand effect.
Object of the present invention is achieved through the following technical solutions: a kind of infrared ray automatic hand dryer circuit, by hair-dryer, power circuit, the control circuit be connected with power circuit output end, the drive circuit be connected with control circuit output, the infrared ray transceiving circuit be connected with drive circuit output, the signal amplification circuit be connected with infrared ray transceiving circuit output end, and the delay circuit be connected with signal amplification circuit output forms.Described hair-dryer is connected with power circuit.
Further, described power electric routing transformer T, diode bridge rectifier U, the electric capacity C1 between two outputs being serially connected in diode bridge rectifier U, the resistance R1 be in parallel with electric capacity C1 forms.Between the Same Name of Ends that two inputs of described diode bridge rectifier U are serially connected in the secondary inductance coil L2 of transformer T and non-same polarity, the two ends of electric capacity C1 are also connected with control circuit, and the Same Name of Ends of the former limit inductance coil L1 of transformer T and non-same polarity are then as two inputs of circuit.
Described control circuit comprises diode D1, relay K, triode VT1, electric capacity C2.Be connected with an output of diode bridge rectifier U with drive circuit while that the colelctor electrode of triode VT1 being after diode D1, emitter stage is connected with another output of diode bridge rectifier U, base stage is connected with delay circuit, relay K and diode D1 are in parallel, and are also connected with drive circuit while between two outputs that electric capacity C2 is serially connected with diode bridge rectifier U.
Described drive circuit is by driving chip U1, and electric capacity C3, electric capacity C4, resistance R2, resistance R3 form; The positive pole of electric capacity C3 is connected with the GND pin of driving chip U1, negative pole is connected with the COMP pin of driving chip U1, the BIAS pin of described driving chip U1 is connected with the positive pole of electric capacity C3 after resistance R2, be connected with the positive pole of electric capacity C3 after VDD pipe foot meridian capacitor C4, FB pin is connected with the positive pole of electric capacity C3 after resistance R3, VCC pin and diode D1 N pole is connected with infrared ray transceiving circuit (4), OUT pin is connected with infrared ray transceiving circuit, CS pin is connected with infrared ray transceiving circuit with the emitter stage of triode VT1 simultaneously.
Described infrared ray transceiving circuit is by infrared tube D2, photoelectric tube D3, the resistance R4 that one end is connected with the P pole of infrared tube D2, the other end is connected with the OUT pin of driving chip U1, one end is connected with the N pole of photoelectric tube D3, the other end forms with the resistance R5 that the N pole of infrared tube D2 is connected with signal amplification circuit simultaneously.The N pole of described infrared tube D2 is connected with the CS pin of driving chip U1, and the N pole of photoelectric tube D3 is connected with signal amplification circuit with the OUT pin of driving chip U1 simultaneously, P pole is connected with signal amplification circuit with the VCC pin of driving chip U1 simultaneously.
Described signal amplification circuit is by two operation amplifier chip U2, one end is connected with the VCC pin of two operation amplifier chip U2 with the P pole of photoelectric tube D3 simultaneously, the resistance R6 that the other end is connected with the IN12 pin of two operation amplifier chip U2, one end is connected with the IN12 pin of two operation amplifier chip U2, the resistance R7 that the other end is connected with the N pole of infrared tube D2 with delay circuit simultaneously, N pole is connected with delay circuit with the IN21 pin of two operation amplifier chip U2 simultaneously, the diode D4 that P pole is connected with the OUT1 pin of two operation amplifier chip U2 after resistance R9, and one end is connected with delay circuit with the OUT2 pin of two operation amplifier chip U2 simultaneously, the resistance R8 that the other end is connected with the N pole of diode D4 forms, described two operation amplifier chip U2 VCC pin is connected with delay circuit, IN22 pin is connected with delay circuit, IN11 pin is connected with the N pole of photoelectric tube D3, GND pin ground connection.
Described delay circuit comprises resistance R10, electric capacity C5, electric capacity C6, resistance R11, resistance R12, resistance R13.One end of resistance R10 is connected with the N pole of diode D4, the other end is connected with the tie point of resistance R5 with resistance R7, electric capacity C5 and resistance R10 is in parallel, one end of electric capacity C6 is connected with the OUT2 pin of two operation amplifier chip U2, the other end is connected with the tie point of resistance R10 with electric capacity C5, one end of resistance R11 is connected with the OUT2 pin of two operation amplifier chip U2, the other end is connected with the base stage of triode VT1, one end of resistance R13 is connected with the VCC pin of two operation amplifier chip U2, the other end is connected with the base stage of triode VT1 after resistance R12, resistance R13 is connected with the IN22 pin of two operation amplifier chip U2 with the tie point of resistance R12.
One end of described hair-dryer is connected with the Same Name of Ends of the former limit inductance coil L1 of transformer T, the other end is connected with the non-same polarity of inductance coil L1 after the normally opened contact K1 of relay K.
The present invention comparatively prior art compares and has the following advantages and beneficial effect:
(1) structure of the present invention is simple, and operation is also simple, and cost of manufacture is lower.
(2) the present invention uses infrared induction, and its reaction speed is fast, highly sensitive.
(3) the present invention utilizes infrared control hair-dryer, utilizes hot blast handle to dry, and more traditional wipes hand with paper, can save a large amount of paper, and realization can environmental protection and energy saving.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As shown in Figure 1, infrared ray automatic hand dryer circuit of the present invention, by hair-dryer, power circuit 1, the control circuit 2 be connected with power circuit 1 output, the drive circuit 3 be connected with control circuit 2 output, the infrared ray transceiving circuit 4 be connected with drive circuit 3 output, the signal amplification circuit 5 be connected with infrared ray transceiving circuit 4 output, and the delay circuit 6 be connected with signal amplification circuit 5 output forms.Described hair-dryer is connected with power circuit 1.
Described power circuit 1 is for providing power supply basis to subsequent conditioning circuit, it is by transformer T, diode bridge rectifier U, and the electric capacity C1 between two outputs being serially connected in diode bridge rectifier U, the resistance R1 be in parallel with electric capacity C1 forms.Between the Same Name of Ends that two inputs of described diode bridge rectifier U are serially connected in the secondary inductance coil L2 of transformer T and non-same polarity, the two ends of electric capacity C1 are also connected with control circuit 2, and the Same Name of Ends of the former limit inductance coil L1 of transformer T and non-same polarity are then as two inputs of circuit.
In order to better realize the present embodiment, in circuit, be provided with the control circuit 2 for controlling hair-dryer switch.Described control circuit 2 by triode VT1, diode D1, the relay K be in parallel with diode D1, and the electric capacity C1 between two outputs being serially connected in diode bridge rectifier U forms.The colelctor electrode of described triode VT1 is connected with the P pole of diode D1, emitter stage is connected with drive circuit 3 with an output of diode bridge rectifier U simultaneously, base stage is connected with delay circuit 6.The N pole of diode D1 is connected with drive circuit with another output of diode bridge rectifier U simultaneously.The two ends of electric capacity C2 are also connected with drive circuit 3.
Described drive circuit 3 is by driving chip U1, the electric capacity C3 that negative pole is connected with the COMP pin of driving chip U1, positive pole is connected with the GND pin of driving chip U1, the resistance R2 that one end is connected with the BIAS pin of driving chip U1, the other end is connected with the positive pole of electric capacity C3, the electric capacity C4 that one end is connected with the VDD pin of driving chip U1, the other end is connected with the positive pole of electric capacity C3, and the resistance R3 that one end is connected with driving chip FB, the other end is connected with the GND pin of driving chip U1 forms.The VCC pin of described driving chip U1 is connected with infrared ray transceiving circuit 4 with the N pole of diode D1 simultaneously, OUT pin is connected with infrared ray transceiving circuit 4, CS pin is connected with infrared ray transceiving circuit 4 with the emitter stage of triode VT1 simultaneously, GND pin ground connection.
Described infrared ray transceiving circuit 4 is by for launching ultrared infrared tube D2, with the photoelectric tube D3 for receiving infrared-ray, the resistance R4 that one end is connected with the P pole of infrared tube D2, the other end is connected with the OUT pin of driving chip U1, one end is connected with the N pole of photoelectric tube D3, the other end forms with the resistance R5 that the N pole of infrared tube D2 is connected with signal amplification circuit 5 simultaneously.The N pole of described infrared tube D2 is connected with the CS pin of driving chip U1, and the N pole of photoelectric tube D3 is connected with signal amplification circuit 5 with the OUT pin of driving chip U1 simultaneously, P pole is connected with signal amplification circuit 5 with the VCC pin of driving chip U1 simultaneously.Can trigger control circuit 2 by infrared ray transceiving circuit 4, to reach the switch controlling hair-dryer.
The signal exported due to infrared ray transceiving circuit 4 is more weak, in order to enable subsequent conditioning circuit receive signal clearly, is provided with signal amplification circuit 5 in circuit.Described signal amplification circuit 5 is by two operation amplifier chip U2, one end is connected with the VCC pin of two operation amplifier chip U2 with the P pole of photoelectric tube D3 simultaneously, the resistance R6 that the other end is connected with the IN12 pin of two operation amplifier chip U2, one end is connected with the IN12 pin of two operation amplifier chip U2, the resistance R7 that the other end is connected with the N pole of infrared tube D2 with delay circuit 6 simultaneously, N pole is connected with delay circuit 6 with the IN21 pin of two operation amplifier chip U2 simultaneously, the diode D4 that P pole is connected with the OUT1 pin of two operation amplifier chip U2 after resistance R9, and one end is connected with delay circuit 6 with the OUT2 pin of two operation amplifier chip U2 simultaneously, the resistance R8 that the other end is connected with the N pole of diode D4 forms, described two operation amplifier chip U2 VCC pin is connected with delay circuit 6, IN22 pin is connected with delay circuit 6, IN11 pin is connected with the N pole of photoelectric tube D3, GND pin ground connection.
Delay circuit 6 comprises resistance R10, electric capacity C5, electric capacity C6, resistance R11, resistance R12, resistance R13.One end of resistance R10 is connected with the N pole of diode D4, the other end is connected with the tie point of resistance R5 with resistance R7, electric capacity C5 and resistance R10 is in parallel, one end of electric capacity C6 is connected with the OUT2 pin of two operation amplifier chip U2, the other end is connected with the tie point of resistance R10 with electric capacity C5, one end of resistance R11 is connected with the OUT2 pin of two operation amplifier chip U2, the other end is connected with the base stage of triode VT1, one end of resistance R13 is connected with the VCC pin of two operation amplifier chip U2, the other end is connected with the base stage of triode VT1 after resistance R12, resistance R13 is connected with the IN22 pin of two operation amplifier chip U2 with the tie point of resistance R12.
One end of described hair-dryer is connected with the Same Name of Ends of the former limit inductance coil L1 of transformer T, the other end is connected with the non-same polarity of inductance coil L1 after the normally opened contact K1 of relay K.
When not needing to dry hand, photoelectric tube D3 does not receive the infrared ray that infrared tube D2 sends, and what the OUT2 pin of two operation amplifier chip exported is low level, at this moment triode VT1 not conducting, relay K does not work, and its normally opened contact remains open, and hair-dryer must not electricity.
When people wash to need after hand to dry time, as long as handle reaches below hand dryer, the infrared ray that infrared tube D2 sends is reflected by hand, and infrared ray is received by photoelectric tube D3 again, thus convert thereof into half-wave pulsating direct current signal, then amplify through signal amplification circuit 5.What at this moment the OUT2 pin of two operation amplifier chip U2 exported is high level, thus turn-on transistor VT1 uses relay K work, and the normally opened contact of relay K closes, and hair-dryer is started working.When delay circuit 6 can prevent the hand that is detected movable, the interference produced causes circut breaking.
As mentioned above, just well the present invention can be realized.
Claims (8)
1. an infrared ray automatic hand dryer circuit, it is characterized in that: by hair-dryer, power circuit (1), the control circuit (2) be connected with power circuit (1) output, the drive circuit (3) be connected with control circuit (2) output, the infrared ray transceiving circuit (4) be connected with drive circuit (3) output, the signal amplification circuit (5) be connected with infrared ray transceiving circuit (4) output, and the delay circuit (6) be connected with signal amplification circuit (5) output forms; Described hair-dryer is connected with power circuit (1).
2. a kind of infrared ray automatic hand dryer circuit according to claim 1, it is characterized in that: described power circuit (1) is by transformer T, diode bridge rectifier U, electric capacity C1 between two outputs being serially connected in diode bridge rectifier U, the resistance R1 be in parallel with electric capacity C1 forms; Between the Same Name of Ends that two inputs of described diode bridge rectifier U are serially connected in the secondary inductance coil L2 of transformer T and non-same polarity, the two ends of electric capacity C1 are also connected with control circuit (2), and the Same Name of Ends of the former limit inductance coil L1 of transformer T and non-same polarity are then as two inputs of circuit.
3. a kind of infrared ray automatic hand dryer circuit according to claim 2, is characterized in that: described control circuit (2) comprises diode D1, relay K, triode VT1, electric capacity C2; The colelctor electrode of triode VT1 is connected with an output of diode bridge rectifier U with drive circuit (3) after diode D1 simultaneously, its emitter stage is connected with another output of diode bridge rectifier U, its base stage is connected with delay circuit (6), relay K and diode D1 are in parallel, and are also connected with drive circuit (3) while between two outputs that electric capacity C2 is serially connected with diode bridge rectifier U.
4. a kind of infrared ray automatic hand dryer circuit according to claim 3, is characterized in that: described drive circuit (3) is by driving chip U1, and electric capacity C3, electric capacity C4, resistance R2, resistance R3 form, the positive pole of electric capacity C3 is connected with the GND pin of driving chip U1, negative pole is connected with the COMP pin of driving chip U1, the BIAS pin of described driving chip U1 is connected with the positive pole of electric capacity C3 after resistance R2, be connected with the positive pole of electric capacity C3 after VDD pipe foot meridian capacitor C4, FB pin is connected with the positive pole of electric capacity C3 after resistance R3, VCC pin is connected with infrared ray transceiving circuit (4) with the N pole of diode D1, OUT pin is connected with infrared ray transceiving circuit (4), CS pin is connected with infrared ray transceiving circuit (4) with the emitter stage of triode VT1 simultaneously.
5. a kind of infrared ray automatic hand dryer circuit according to claim 4, it is characterized in that: described infrared ray transceiving circuit (4) is by infrared tube D2, photoelectric tube D3, the resistance R4 that one end is connected with the P pole of infrared tube D2, the other end is connected with the OUT pin of driving chip U1, one end is connected with the N pole of photoelectric tube D3, the other end forms with the resistance R5 that the N pole of infrared tube D2 is connected with signal amplification circuit (5) simultaneously; The N pole of described infrared tube D2 is connected with the CS pin of driving chip U1, and the N pole of photoelectric tube D3 is connected with signal amplification circuit (5) with the OUT pin of driving chip U1 simultaneously, P pole is connected with signal amplification circuit (5) with the VCC pin of driving chip U1 simultaneously.
6. a kind of infrared ray automatic hand dryer circuit according to claim 5, it is characterized in that: described signal amplification circuit (5) is by two operation amplifier chip U2, one end is connected with the VCC pin of two operation amplifier chip U2 with the P pole of photoelectric tube D3 simultaneously, the resistance R6 that the other end is connected with the IN12 pin of two operation amplifier chip U2, one end is connected with the IN12 pin of two operation amplifier chip U2, the resistance R7 that the other end is connected with the N pole of infrared tube D2 with delay circuit (6) simultaneously, N pole is connected with delay circuit (6) with the IN21 pin of two operation amplifier chip U2 simultaneously, the diode D4 that P pole is connected with the OUT1 pin of two operation amplifier chip U2 after resistance R9, and one end is connected with delay circuit (6) with the OUT2 pin of two operation amplifier chip U2 simultaneously, the resistance R8 that the other end is connected with the N pole of diode D4 forms, the VCC pin of described two operation amplifier chip U2 is connected with delay circuit (6), IN22 pin is connected with delay circuit (6), IN11 pin is connected with the N pole of photoelectric tube D3, GND pin ground connection.
7. a kind of infrared ray automatic hand dryer circuit according to claim 6, is characterized in that: described delay circuit (6) comprises resistance R10, electric capacity C5, electric capacity C6, resistance R11, resistance R12, resistance R13, one end of resistance R10 is connected with the N pole of diode D4, the other end is connected with the tie point of resistance R5 with resistance R7, electric capacity C5 and resistance R10 is in parallel, one end of electric capacity C6 is connected with the OUT2 pin of two operation amplifier chip U2, the other end is connected with the tie point of resistance R10 with electric capacity C5, one end of resistance R11 is connected with the OUT2 pin of two operation amplifier chip U2, the other end is connected with the base stage of triode VT1, one end of resistance R13 is connected with the VCC pin of two operation amplifier chip U2, the other end is connected with the base stage of triode VT1 after resistance R12, resistance R13 is connected with the IN22 pin of two operation amplifier chip U2 with the tie point of resistance R12.
8. a kind of infrared ray automatic hand dryer circuit according to claim 7, is characterized in that: one end of described hair-dryer is connected with the Same Name of Ends of the former limit inductance coil L1 of transformer T, the other end is connected with the non-same polarity of inductance coil L1 after the normally opened contact K1 of relay K.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410466639.9A CN104257315B8 (en) | 2014-09-12 | 2014-09-12 | Infrared automatic hand drier circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410466639.9A CN104257315B8 (en) | 2014-09-12 | 2014-09-12 | Infrared automatic hand drier circuit |
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| CN104257315A true CN104257315A (en) | 2015-01-07 |
| CN104257315B CN104257315B (en) | 2016-11-30 |
| CN104257315B8 CN104257315B8 (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410466639.9A Active CN104257315B8 (en) | 2014-09-12 | 2014-09-12 | Infrared automatic hand drier circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105446192A (en) * | 2015-12-19 | 2016-03-30 | 成都克雷斯达科技有限公司 | Roller shutter door automatic control system based on driving-type signal filtering circuit |
| CN106361209A (en) * | 2016-11-18 | 2017-02-01 | 广西大学 | Pyroelectric infrared automatic hand drier |
| CN106618343A (en) * | 2016-11-18 | 2017-05-10 | 广西大学 | Easy-to-control automatic hand dryer |
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| DE2535853A1 (en) * | 1975-08-12 | 1977-02-24 | Braun Ag | Hair drier or clothes drier with electric motor and heating resistor - gives thermostatic control within narrow limits according to room temperature |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106618343A (en) * | 2016-11-18 | 2017-05-10 | 广西大学 | Easy-to-control automatic hand dryer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104257315B (en) | 2016-11-30 |
| CN104257315B8 (en) | 2017-03-22 |
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Effective date of registration: 20160929 Address after: 266199 Licang, Qingdao Province, No. nine East Road, No. 320, No. Applicant after: QINGDAO YULANXIANG BUSINESS SERVICE Co.,Ltd. Address before: Tianhe District Tong East Road Guangzhou city Guangdong province 510665 B-101 No. 5, room B-118 Applicant before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20160929 Address after: Tianhe District Tong East Road Guangzhou city Guangdong province 510665 B-101 No. 5, room B-118 Applicant after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 610000 Chengdu City, Jinjiang District Province, east of the main street on the spring section of No. 1, No. 229, building 6, No. 603 Applicant before: CHENGDU WEIBANG TECHNOLOGY CO.,LTD. |
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Correction item: Patentee|Address|Patentee Correct: QINGDAO YULANXIANG BUSINESS SERVICE CO., LTD.|266199 Licang, Qingdao Province, No. nine East Road, No. 320, No. False: Chengdu Weibang Science And Technology Co., Ltd.|610000 Chengdu City, Jinjiang District Province, east of the main street on the spring section of No. 1, No. 229, building 6, No. 603|QINGDAO YULANXIANG BUSINESS SERVICE CO., LTD. Number: 48 Volume: 32 |
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| CI03 | Correction of invention patent |
Correction item: Patentee|Address|Patentee Correct: QINGDAO YULANXIANG BUSINESS SERVICE CO., LTD.|266199 Licang, Qingdao Province, No. nine East Road, No. 320, No. False: Chengdu Weibang Science And Technology Co., Ltd.|610000 Chengdu City, Jinjiang District Province, east of the main street on the spring section of No. 1, No. 229, building 6, No. 603|QINGDAO YULANXIANG BUSINESS SERVICE CO., LTD. Number: 48 Page: The title page Volume: 32 |
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Effective date of registration: 20191025 Address after: 314000 NO.3-4, yuejingzhuang erjiefang, no.1508, ziye East Road, Wuzhen Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Tanjiawan Heritage Park Operation Management (Wuzhen, Tongxiang) Co.,Ltd. Address before: 266199 Licang, Qingdao Province, No. nine East Road, No. 320, No. Patentee before: QINGDAO YULANXIANG BUSINESS SERVICE Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20191113 Address after: 314000 No.88, Minxing Middle Road, Minxing market, Wuzhen Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: TONGXIANG HUIFENG ELECTRIC APPLIANCE DIE CASTING CO.,LTD. Address before: 314000 NO.3-4, yuejingzhuang erjiefang, no.1508, ziye East Road, Wuzhen Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee before: Tanjiawan Heritage Park Operation Management (Wuzhen, Tongxiang) Co.,Ltd. |
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